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TDengine

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TDengine
提交 0ee8b40f 编写于 作者: H Haojun Liao
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Merge branch 'develop' into feature/query

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.travis.yml
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......@@ -171,6 +171,8 @@ matrix:
- build-essential
- cmake
- binutils-2.26
- unixodbc
- unixodbc-dev
env:
- DESC="trusty/gcc-4.8/bintuils-2.26 build"
......@@ -198,6 +200,8 @@ matrix:
packages:
- build-essential
- cmake
- unixodbc
- unixodbc-dev
before_script:
- export TZ=Asia/Harbin
......@@ -252,6 +256,8 @@ matrix:
packages:
- build-essential
- cmake
- unixodbc
- unixodbc-dev
env:
- DESC="arm64 xenial build"
......@@ -280,6 +286,7 @@ matrix:
addons:
homebrew:
- cmake
- unixodbc
script:
- cd ${TRAVIS_BUILD_DIR}
......
Jenkinsfile
浏览文件 @ 0ee8b40f
......@@ -32,25 +32,24 @@ def abort_previous(){
milestone(buildNumber)
}
def pre_test(){
catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') {
sh '''
sudo rmtaos
'''
}
sh '''
sudo rmtaos || echo "taosd has not installed"
'''
sh '''
cd ${WKC}
git checkout develop
git reset --hard HEAD~10 >/dev/null
git pull
git pull >/dev/null
git fetch origin +refs/pull/${CHANGE_ID}/merge
git checkout -qf FETCH_HEAD
git --no-pager diff --name-only FETCH_HEAD $(git merge-base FETCH_HEAD develop)|grep -v -E '.*md|//src//connector|Jenkinsfile' || exit 0
git --no-pager diff --name-only FETCH_HEAD $(git merge-base FETCH_HEAD develop)|grep -v -E '.*md|//src//connector|Jenkinsfile'
find ${WKC}/tests/pytest -name \'*\'.sql -exec rm -rf {} \\;
cd ${WK}
git reset --hard HEAD~10
git checkout develop
git pull
git checkout develop
git pull >/dev/null
cd ${WK}
export TZ=Asia/Harbin
date
......
README-CN.md 0 → 100644
浏览文件 @ 0ee8b40f
[![Build Status](https://travis-ci.org/taosdata/TDengine.svg?branch=master)](https://travis-ci.org/taosdata/TDengine)
[![Build status](https://ci.appveyor.com/api/projects/status/kf3pwh2or5afsgl9/branch/master?svg=true)](https://ci.appveyor.com/project/sangshuduo/tdengine-2n8ge/branch/master)
[![Coverage Status](https://coveralls.io/repos/github/taosdata/TDengine/badge.svg?branch=develop)](https://coveralls.io/github/taosdata/TDengine?branch=develop)
[![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/4201/badge)](https://bestpractices.coreinfrastructure.org/projects/4201)
[![tdengine](https://snapcraft.io//tdengine/badge.svg)](https://snapcraft.io/tdengine)
[![TDengine](TDenginelogo.png)](https://www.taosdata.com)
简体中文 | [English](./README.md)
# TDengine 简介
TDengine是涛思数据专为物联网、车联网、工业互联网、IT运维等设计和优化的大数据平台。除核心的快10倍以上的时序数据库功能外，还提供缓存、数据订阅、流式计算等功能，最大程度减少研发和运维的复杂度，且核心代码，包括集群功能全部开源（开源协议，AGPL v3.0）。
- 10 倍以上性能提升。定义了创新的数据存储结构，单核每秒就能处理至少2万次请求，插入数百万个数据点，读出一千万以上数据点，比现有通用数据库快了十倍以上。
- 硬件或云服务成本降至1/5。由于超强性能，计算资源不到通用大数据方案的1/5；通过列式存储和先进的压缩算法，存储空间不到通用数据库的1/10。
- 全栈时序数据处理引擎。将数据库、消息队列、缓存、流式计算等功能融合一起，应用无需再集成Kafka/Redis/HBase/Spark等软件，大幅降低应用开发和维护成本。
- 强大的分析功能。无论是十年前还是一秒钟前的数据，指定时间范围即可查询。数据可在时间轴上或多个设备上进行聚合。即席查询可通过Shell/Python/R/Matlab随时进行。
- 与第三方工具无缝连接。不用一行代码，即可与Telegraf, Grafana, EMQ X, Prometheus, Matlab, R集成。后续还将支持MQTT, OPC, Hadoop，Spark等, BI工具也将无缝连接。
- 零运维成本、零学习成本。安装、集群一秒搞定，无需分库分表，实时备份。标准SQL，支持JDBC,RESTful，支持Python/Java/C/C++/Go/Node.JS, 与MySQL相似，零学习成本。
# 文档
TDengine是一个高效的存储、查询、分析时序大数据的平台，专为物联网、车联网、工业互联网、运维监测等优化而设计。您可以像使用关系型数据库MySQL一样来使用它，但建议您在使用前仔细阅读一遍下面的文档，特别是 [数据模型](https://www.taosdata.com/cn/documentation/architecture) 与 [数据建模](https://www.taosdata.com/cn/documentation/model)。除本文档之外，欢迎 [下载产品白皮书](https://www.taosdata.com/downloads/TDengine%20White%20Paper.pdf)。
# 生成
TDengine目前2.0版服务器仅能在Linux系统上安装和运行，后续会支持Windows、macOS等系统。客户端可以在Windows或Linux上安装和运行。任何OS的应用也可以选择RESTful接口连接服务器taosd。CPU支持X64/ARM64/MIPS64/Alpha64，后续会支持ARM32、RISC-V等CPU架构。用户可根据需求选择通过[源码](https://www.taosdata.com/cn/getting-started/#通过源码安装)或者[安装包](https://www.taosdata.com/cn/getting-started/#通过安装包安装)来安装。本快速指南仅适用于通过源码安装。
## 安装工具
### Ubuntu 16.04 及以上版本 & Debian：
```bash
sudo apt-get install -y gcc cmake build-essential git
```
### Ubuntu 14.04：
```bash
sudo apt-get install -y gcc cmake3 build-essential git binutils-2.26
export PATH=/usr/lib/binutils-2.26/bin:$PATH
```
编译或打包 JDBC 驱动源码，需安装 Java JDK 8 或以上版本和 Apache Maven 2.7 或以上版本。
安装 OpenJDK 8：
```bash
sudo apt-get install -y openjdk-8-jdk
```
安装 Apache Maven：
```bash
sudo apt-get install -y maven
```
### CentOS 7：
```bash
sudo yum install -y gcc gcc-c++ make cmake git
```
安装 OpenJDK 8：
```bash
sudo yum install -y java-1.8.0-openjdk
```
安装 Apache Maven：
```bash
sudo yum install -y maven
```
### CentOS 8 & Fedora:
```bash
sudo dnf install -y gcc gcc-c++ make cmake epel-release git
```
安装 OpenJDK 8：
```bash
sudo dnf install -y java-1.8.0-openjdk
```
安装 Apache Maven：
```bash
sudo dnf install -y maven
```
## 获取源码
首先，你需要从 GitHub 克隆源码：
```bash
git clone https://github.com/taosdata/TDengine.git
cd TDengine
```
Go 连接器和 Grafana 插件在其他独立仓库，如果安装它们的话，需要在 TDengine 目录下通过此命令安装：
```bash
git submodule update --init --recursive
```
## 生成 TDengine
### Linux 系统
```bash
mkdir debug && cd debug
cmake .. && cmake --build .
```
在X86-64、X86、arm64 和 arm32 平台上，TDengine 生成脚本可以自动检测机器架构。也可以手动配置 CPUTYPE 参数来指定 CPU 类型，如 aarch64 或 aarch32 等。
aarch64：
```bash
cmake .. -DCPUTYPE=aarch64 && cmake --build .
```
aarch32：
```bash
cmake .. -DCPUTYPE=aarch32 && cmake --build .
```
### Windows 系统
如果你使用的是 Visual Studio 2013 版本：
打开 cmd.exe，执行 vcvarsall.bat 时，为 64 位操作系统指定“x86_amd64”，为 32 位操作系统指定“x86”。
```bash
mkdir debug && cd debug
"C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\vcvarsall.bat" < x86_amd64 | x86 >
cmake .. -G "NMake Makefiles"
nmake
```
如果你使用的是 Visual Studio 2019 或 2017 版本：
打开cmd.exe，执行 vcvarsall.bat 时，为 64 位操作系统指定“x64”，为 32 位操作系统指定“x86”。
```bash
mkdir debug && cd debug
"c:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Auxiliary\Build\vcvarsall.bat" < x64 | x86 >
cmake .. -G "NMake Makefiles"
nmake
```
你也可以从开始菜单中找到"Visual Studio < 2019 | 2017 >"菜单项，根据你的系统选择"x64 Native Tools Command Prompt for VS < 2019 | 2017 >"或"x86 Native Tools Command Prompt for VS < 2019 | 2017 >"，打开命令行窗口，执行：
```bash
mkdir debug && cd debug
cmake .. -G "NMake Makefiles"
nmake
```
### Mac OS X 系统
安装 Xcode 命令行工具和 cmake. 在 Catalina 和 Big Sur 操作系统上，需要安装 XCode 11.4+ 版本。
```bash
mkdir debug && cd debug
cmake .. && cmake --build .
```
# 安装
如果你不想安装，可以直接在shell中运行。生成完成后，安装 TDengine：
```bash
make install
```
用户可以在[文件目录结构](https://www.taosdata.com/cn/documentation/administrator#directories)中了解更多在操作系统中生成的目录或文件。
安装成功后，在终端中启动 TDengine 服务：
```bash
taosd
```
用户可以使用 TDengine Shell 来连接 TDengine 服务，在终端中，输入：
```bash
taos
```
如果 TDengine Shell 连接服务成功，将会打印出欢迎消息和版本信息。如果失败，则会打印出错误消息。
## 快速运行
TDengine 生成后，在终端执行以下命令：
```bash
./build/bin/taosd -c test/cfg
```
在另一个终端，使用 TDengine shell 连接服务器：
```bash
./build/bin/taos -c test/cfg
```
"-c test/cfg"指定系统配置文件所在目录。
# 体验 TDengine
在TDengine终端中，用户可以通过SQL命令来创建/删除数据库、表等，并进行插入查询操作。
```bash
create database demo;
use demo;
create table t (ts timestamp, speed int);
insert into t values ('2019-07-15 00:00:00', 10);
insert into t values ('2019-07-15 01:00:00', 20);
select * from t;
ts | speed |
===================================
19-07-15 00:00:00.000| 10|
19-07-15 01:00:00.000| 20|
Query OK, 2 row(s) in set (0.001700s)
```
# 应用开发
## 官方连接器
TDengine 提供了丰富的应用程序开发接口，其中包括C/C++、Java、Python、Go、Node.js、C# 、RESTful 等，便于用户快速开发应用：
- Java
- C/C++
- Python
- Go
- RESTful API
- Node.js
## 第三方连接器
TDengine 社区生态中也有一些非常友好的第三方连接器，可以通过以下链接访问它们的源码。
- [Rust Connector](https://github.com/taosdata/TDengine/tree/master/tests/examples/rust)
- [.Net Core Connector](https://github.com/maikebing/Maikebing.EntityFrameworkCore.Taos)
- [Lua Connector](https://github.com/taosdata/TDengine/tree/develop/tests/examples/lua)
# 运行和添加测试例
TDengine 的测试框架和所有测试例全部开源。
点击[这里](tests/How-To-Run-Test-And-How-To-Add-New-Test-Case.md)，了解如何运行测试例和添加新的测试例。
# 成为社区贡献者
点击[这里](https://www.taosdata.com/cn/contributor/)，了解如何成为 TDengine 的贡献者。
#加入技术交流群
TDengine官方社群「物联网大数据群」对外开放，欢迎您加入讨论。搜索微信号 "tdengine"，加小T为好友，即可入群。
README.md
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......@@ -6,6 +6,8 @@
[![TDengine](TDenginelogo.png)](https://www.taosdata.com)
English | [简体中文](./README-CN.md)
# What is TDengine？
TDengine is an open-sourced big data platform under [GNU AGPL v3.0](http://www.gnu.org/licenses/agpl-3.0.html), designed and optimized for the Internet of Things (IoT), Connected Cars, Industrial IoT, and IT Infrastructure and Application Monitoring. Besides the 10x faster time-series database, it provides caching, stream computing, message queuing and other functionalities to reduce the complexity and cost of development and operation.
......@@ -29,7 +31,7 @@ For user manual, system design and architecture, engineering blogs, refer to [TD
# Building
At the moment, TDengine only supports building and running on Linux systems. You can choose to [install from packages](https://www.taosdata.com/en/getting-started/#Install-from-Package) or from the source code. This quick guide is for installation from the source only.
To build TDengine, use [CMake](https://cmake.org/) 3.5 or higher versions in the project directory.
To build TDengine, use [CMake](https://cmake.org/) 2.8.12.x or higher versions in the project directory.
## Install tools
......@@ -160,39 +162,42 @@ mkdir debug && cd debug
cmake .. && cmake --build .
```
# Quick Run
# Quick Run
To quickly start a TDengine server after building, run the command below in terminal:
```bash
./build/bin/taosd -c test/cfg
```
In another terminal, use the TDengine shell to connect the server:
```bash
./build/bin/taos -c test/cfg
```
option "-c test/cfg" specifies the system configuration file directory.
# Installing
After building successfully, TDengine can be installed by:
```bash
make install
sudo make install
```
Users can find more information about directories installed on the system in the [directory and files](https://www.taosdata.com/en/documentation/administrator/#Directory-and-Files) section. It should be noted that installing from source code does not configure service management for TDengine.
Users can find more information about directories installed on the system in the [directory and files](https://www.taosdata.com/en/documentation/administrator/#Directory-and-Files) section. Since version 2.0, installing from source code will also configure service management for TDengine.
Users can also choose to [install from packages](https://www.taosdata.com/en/getting-started/#Install-from-Package) for it.
To start the service after installation, in a terminal, use:
```cmd
taosd
```bash
sudo systemctl start taosd
```
Then users can use the [TDengine shell](https://www.taosdata.com/en/getting-started/#TDengine-Shell) to connect the TDengine server. In a terminal, use:
```cmd
```bash
taos
```
If TDengine shell connects the server successfully, welcome messages and version info are printed. Otherwise, an error message is shown.
## Quick Run
If you don't want to run TDengine as a service, you can run it in current shell. For example, to quickly start a TDengine server after building, run the command below in terminal:
```bash
./build/bin/taosd -c test/cfg
```
In another terminal, use the TDengine shell to connect the server:
```bash
./build/bin/taos -c test/cfg
```
option "-c test/cfg" specifies the system configuration file directory.
# Try TDengine
It is easy to run SQL commands from TDengine shell which is the same as other SQL databases.
```sql
......
cmake/version.inc
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......@@ -4,7 +4,7 @@ PROJECT(TDengine)
IF (DEFINED VERNUMBER)
SET(TD_VER_NUMBER ${VERNUMBER})
ELSE ()
SET(TD_VER_NUMBER "2.0.17.0")
SET(TD_VER_NUMBER "2.0.18.0")
ENDIF ()
IF (DEFINED VERCOMPATIBLE)
......
documentation20/cn/03.architecture/docs.md
浏览文件 @ 0ee8b40f
......@@ -145,7 +145,7 @@ TDengine 建议用数据采集点的名字(如上表中的D1001)来做表名。
在TDengine的设计里，**表用来代表一个具体的数据采集点，超级表用来代表一组相同类型的数据采集点集合**。当为某个具体数据采集点创建表时，用户使用超级表的定义做模板，同时指定该具体采集点（表）的标签值。与传统的关系型数据库相比，表（一个数据采集点）是带有静态标签的，而且这些标签可以事后增加、删除、修改。**一张超级表包含有多张表，这些表具有相同的时序数据schema，但带有不同的标签值**。
当对多个具有相同数据类型的数据采集点进行聚合操作时，TDengine将先把满足标签过滤条件的表从超级表的中查找出来，然后再扫描这些表的时序数据，进行聚合操作，这样能将需要扫描的数据集大幅减少，从而大幅提高聚合计算的性能。
当对多个具有相同数据类型的数据采集点进行聚合操作时，TDengine会先把满足标签过滤条件的表从超级表中找出来，然后再扫描这些表的时序数据，进行聚合操作，这样需要扫描的数据集会大幅减少，从而显著提高聚合计算的性能。
## <a class="anchor" id="cluster"></a>集群与基本逻辑单元
......
documentation20/cn/08.connector/01.java/docs.md
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......@@ -451,7 +451,8 @@ Query OK, 1 row(s) in set (0.000141s)
| taos-jdbcdriver 版本 | TDengine 版本 | JDK 版本 |
| -------------------- | ----------------- | -------- |
| 2.0.12 及以上 | 2.0.8.0 及以上 | 1.8.x |
| 2.0.22 | 2.0.18.0 及以上 | 1.8.x |
| 2.0.12 - 2.0.21 | 2.0.8.0 - 2.0.17.0 | 1.8.x |
| 2.0.4 - 2.0.11 | 2.0.0.0 - 2.0.7.x | 1.8.x |
| 1.0.3 | 1.6.1.x 及以上 | 1.8.x |
| 1.0.2 | 1.6.1.x 及以上 | 1.8.x |
......
documentation20/cn/11.administrator/docs.md
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......@@ -14,6 +14,8 @@ Memory Size = maxVgroupsPerDb * (blocks * cache + 10MB) + numOfTables * (tagSize
示例：假设是 4 核机器，cache 是缺省大小 16M, blocks 是缺省值 6，假设有 10 万张表，标签总长度是 256 字节，则总的内存需求为：4 \* (16 \* 6 + 10) + 100000 \* (0.25 + 0.5) / 1000 = 499M。
注意：从这个公式计算得到的内存容量，应理解为系统的“必要需求”，而不是“内存总数”。在实际运行的生产系统中，由于操作系统缓存、资源管理调度等方面的需要，内存规划应当在计算结果的基础上保留一定冗余，以维持系统状态和系统性能的稳定性。
实际运行的系统往往会根据数据特点的不同，将数据存放在不同的 DB 里。因此做规划时，也需要考虑。
如果内存充裕，可以加大 Blocks 的配置，这样更多数据将保存在内存里，提高查询速度。
......
documentation20/cn/12.taos-sql/docs.md
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......@@ -125,7 +125,7 @@ TDengine缺省的时间戳是毫秒精度，但通过修改配置参数enableMic
```mysql
ALTER DATABASE db_name CACHELAST 0;
```
CACHELAST 参数控制是否在内存中缓存数据子表的 last_row。缺省值为 0，取值范围 [0, 1]。其中 0 表示不启用、1 表示启用。（从 2.0.11 版本开始支持）
CACHELAST 参数控制是否在内存中缓存数据子表的 last_row。缺省值为 0，取值范围 [0, 1]。其中 0 表示不启用、1 表示启用。（从 2.0.11 版本开始支持，修改后需要重启服务器生效。）
**Tips**: 以上所有参数修改后都可以用show databases来确认是否修改成功。
......@@ -249,7 +249,7 @@ TDengine缺省的时间戳是毫秒精度，但通过修改配置参数enableMic
3) TAGS 列名不能为预留关键字；
4) TAGS 最多允许128个，至少1个，总长度不超过16k个字符。
4) TAGS 最多允许 128 个，至少 1 个，总长度不超过 16 KB。
- **删除超级表**
......@@ -331,7 +331,8 @@ TDengine缺省的时间戳是毫秒精度，但通过修改配置参数enableMic
```mysql
INSERT INTO tb_name VALUES (field1_value1, ...) (field1_value2, ...) ...;
```
向表tb_name中插入多条记录
向表tb_name中插入多条记录
**注意**：在使用“插入多条记录”方式写入数据时，不能把第一列的时间戳取值都设为now，否则会导致语句中的多条记录使用相同的时间戳，于是就可能出现相互覆盖以致这些数据行无法全部被正确保存。
- **按指定的列插入多条记录**
```mysql
......
documentation20/cn/13.faq/docs.md
浏览文件 @ 0ee8b40f
......@@ -16,13 +16,13 @@
## 1. TDengine2.0之前的版本升级到2.0及以上的版本应该注意什么？☆☆☆
2.0版本在之前版本的基础上，进行了完全的重构，配置文件和数据文件是不兼容的。在升级之前务必进行如下操作：
2.0版在之前版本的基础上，进行了完全的重构，配置文件和数据文件是不兼容的。在升级之前务必进行如下操作：
1. 删除配置文件，执行 <code> sudo rm -rf /etc/taos/taos.cfg </code>
2. 删除日志文件，执行 <code> sudo rm -rf /var/log/taos/ </code>
3. 确保数据已经不再需要的前提下，删除数据文件，执行 <code> sudo rm -rf /var/lib/taos/ </code>
4. 安装最新稳定版本的TDengine
5. 如果数据需要迁移数据或者数据文件损坏，请联系涛思数据官方技术支持团队，进行协助解决
1. 删除配置文件，执行 `sudo rm -rf /etc/taos/taos.cfg`
2. 删除日志文件，执行 `sudo rm -rf /var/log/taos/`
3. 确保数据已经不再需要的前提下，删除数据文件，执行 `sudo rm -rf /var/lib/taos/`
4. 安装最新稳定版本的 TDengine
5. 如果需要迁移数据或者数据文件损坏，请联系涛思数据官方技术支持团队，进行协助解决
## 2. Windows平台下JDBCDriver找不到动态链接库，怎么办？
......
packaging/tools/remove.sh
浏览文件 @ 0ee8b40f
......@@ -213,10 +213,10 @@ fi
if echo $osinfo | grep -qwi "ubuntu" ; then
# echo "this is ubuntu system"
${csudo} rm -f /var/lib/dpkg/info/tdengine* || :
${csudo} dpkg --force-all -P tdengine || :
elif echo $osinfo | grep -qwi "debian" ; then
# echo "this is debian system"
${csudo} rm -f /var/lib/dpkg/info/tdengine* || :
${csudo} dpkg --force-all -P tdengine || :
elif echo $osinfo | grep -qwi "centos" ; then
# echo "this is centos system"
${csudo} rpm -e --noscripts tdengine || :
......
snap/snapcraft.yaml
浏览文件 @ 0ee8b40f
name: tdengine
base: core18
version: '2.0.17.0'
version: '2.0.18.0'
icon: snap/gui/t-dengine.svg
summary: an open-source big data platform designed and optimized for IoT.
description: |
......@@ -72,7 +72,7 @@ parts:
- usr/bin/taosd
- usr/bin/taos
- usr/bin/taosdemo
- usr/lib/libtaos.so.2.0.17.0
- usr/lib/libtaos.so.2.0.18.0
- usr/lib/libtaos.so.1
- usr/lib/libtaos.so
......
src/CMakeLists.txt
浏览文件 @ 0ee8b40f
......@@ -19,6 +19,6 @@ ADD_SUBDIRECTORY(tsdb)
ADD_SUBDIRECTORY(wal)
ADD_SUBDIRECTORY(cq)
ADD_SUBDIRECTORY(dnode)
#ADD_SUBDIRECTORY(connector/odbc)
ADD_SUBDIRECTORY(connector/odbc)
ADD_SUBDIRECTORY(connector/jdbc)
src/balance/src/bnMain.c
浏览文件 @ 0ee8b40f
......@@ -425,7 +425,7 @@ static bool bnMonitorVgroups() {
while (1) {
pIter = mnodeGetNextVgroup(pIter, &pVgroup);
if (pVgroup == NULL) break;
if (pVgroup == NULL || pVgroup->pDb == NULL) break;
int32_t dbReplica = pVgroup->pDb->cfg.replications;
int32_t vgReplica = pVgroup->numOfVnodes;
......@@ -721,4 +721,4 @@ int32_t bnAlterDnode(struct SDnodeObj *pSrcDnode, int32_t vnodeId, int32_t dnode
mnodeDecDnodeRef(pDestDnode);
return code;
}
\ No newline at end of file
}
src/client/src/tscAsync.c
浏览文件 @ 0ee8b40f
......@@ -282,7 +282,7 @@ void tscQueueAsyncError(void(*fp), void *param, int32_t code) {
}
static void tscAsyncResultCallback(SSchedMsg *pMsg) {
SSqlObj* pSql = pMsg->ahandle;
SSqlObj* pSql = (SSqlObj*)taosAcquireRef(tscObjRef, (int64_t)pMsg->ahandle);
if (pSql == NULL || pSql->signature != pSql) {
tscDebug("%p SqlObj is freed, not add into queue async res", pSql);
return;
......@@ -293,23 +293,26 @@ static void tscAsyncResultCallback(SSchedMsg *pMsg) {
SSqlRes *pRes = &pSql->res;
if (pSql->fp == NULL || pSql->fetchFp == NULL){
taosReleaseRef(tscObjRef, pSql->self);
return;
}
pSql->fp = pSql->fetchFp;
(*pSql->fp)(pSql->param, pSql, pRes->code);
taosReleaseRef(tscObjRef, pSql->self);
}
void tscAsyncResultOnError(SSqlObj* pSql) {
SSchedMsg schedMsg = {0};
schedMsg.fp = tscAsyncResultCallback;
schedMsg.ahandle = pSql;
schedMsg.ahandle = (void *)pSql->self;
schedMsg.thandle = (void *)1;
schedMsg.msg = 0;
taosScheduleTask(tscQhandle, &schedMsg);
}
int tscSendMsgToServer(SSqlObj *pSql);
void tscTableMetaCallBack(void *param, TAOS_RES *res, int code) {
......
src/client/src/tscPrepare.c
浏览文件 @ 0ee8b40f
......@@ -261,7 +261,7 @@ static int doBindParam(char* data, SParamInfo* param, TAOS_BIND* bind) {
return TSDB_CODE_SUCCESS;
}
if (1) {
if (0) {
// allow user bind param data with different type
union {
int8_t v1;
......@@ -1057,14 +1057,28 @@ int taos_stmt_get_param(TAOS_STMT *stmt, int idx, int *type, int *bytes) {
}
if (pStmt->isInsert) {
SSqlObj* pSql = pStmt->pSql;
SSqlCmd *pCmd = &pSql->cmd;
STableDataBlocks* pBlock = taosArrayGetP(pCmd->pDataBlocks, 0);
SSqlCmd* pCmd = &pStmt->pSql->cmd;
STableMetaInfo* pTableMetaInfo = tscGetTableMetaInfoFromCmd(pCmd, 0, 0);
STableMeta* pTableMeta = pTableMetaInfo->pTableMeta;
if (pCmd->pTableBlockHashList == NULL) {
pCmd->pTableBlockHashList = taosHashInit(16, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT), true, false);
}
STableDataBlocks* pBlock = NULL;
assert(pCmd->numOfParams == pBlock->numOfParams);
if (idx < 0 || idx >= pBlock->numOfParams) return -1;
int32_t ret =
tscGetDataBlockFromList(pCmd->pTableBlockHashList, pTableMeta->id.uid, TSDB_PAYLOAD_SIZE, sizeof(SSubmitBlk),
pTableMeta->tableInfo.rowSize, &pTableMetaInfo->name, pTableMeta, &pBlock, NULL);
if (ret != 0) {
// todo handle error
}
if (idx<0 || idx>=pBlock->numOfParams) {
tscError("param %d: out of range", idx);
abort();
}
SParamInfo* param = pBlock->params + idx;
SParamInfo* param = &pBlock->params[idx];
if (type) *type = param->type;
if (bytes) *bytes = param->bytes;
......
src/client/src/tscSQLParser.c
浏览文件 @ 0ee8b40f
......@@ -2356,13 +2356,13 @@ int32_t addExprAndResultField(SSqlCmd* pCmd, SQueryInfo* pQueryInfo, int32_t col
// todo REFACTOR
// set the first column ts for top/bottom query
SColumnIndex index1 = {0, PRIMARYKEY_TIMESTAMP_COL_INDEX};
SColumnIndex index1 = {index.tableIndex, PRIMARYKEY_TIMESTAMP_COL_INDEX};
pExpr = tscSqlExprAppend(pQueryInfo, TSDB_FUNC_TS, &index1, TSDB_DATA_TYPE_TIMESTAMP, TSDB_KEYSIZE, getNewResColId(pQueryInfo),
TSDB_KEYSIZE, false);
tstrncpy(pExpr->aliasName, aAggs[TSDB_FUNC_TS].name, sizeof(pExpr->aliasName));
const int32_t TS_COLUMN_INDEX = PRIMARYKEY_TIMESTAMP_COL_INDEX;
SColumnList ids = getColumnList(1, 0, TS_COLUMN_INDEX);
SColumnList ids = getColumnList(1, index.tableIndex, TS_COLUMN_INDEX);
insertResultField(pQueryInfo, TS_COLUMN_INDEX, &ids, TSDB_KEYSIZE, TSDB_DATA_TYPE_TIMESTAMP,
aAggs[TSDB_FUNC_TS].name, pExpr);
......@@ -2375,7 +2375,7 @@ int32_t addExprAndResultField(SSqlCmd* pCmd, SQueryInfo* pQueryInfo, int32_t col
memset(pExpr->aliasName, 0, tListLen(pExpr->aliasName));
getColumnName(pItem, pExpr->aliasName, sizeof(pExpr->aliasName) - 1);
SColumnList ids = getColumnList(1, 0, index.columnIndex);
SColumnList ids = getColumnList(1, index.tableIndex, index.columnIndex);
if (finalResult) {
insertResultField(pQueryInfo, colIndex, &ids, resultSize, resultType, pExpr->aliasName, pExpr);
} else {
......
src/client/src/tscServer.c
浏览文件 @ 0ee8b40f
......@@ -523,7 +523,7 @@ int tscBuildFetchMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
assert(pVgroupInfo->vgroups[vgIndex].vgId > 0 && vgIndex < pTableMetaInfo->vgroupList->numOfVgroups);
pRetrieveMsg->header.vgId = htonl(pVgroupInfo->vgroups[vgIndex].vgId);
tscDebug("%p build fetch msg from vgId:%d, vgIndex:%d", pSql, pVgroupInfo->vgroups[vgIndex].vgId, vgIndex);
tscDebug("%p build fetch msg from vgId:%d, vgIndex:%d, qhandle:%" PRIX64, pSql, pVgroupInfo->vgroups[vgIndex].vgId, vgIndex, pSql->res.qhandle);
} else {
int32_t numOfVgroups = (int32_t)taosArrayGetSize(pTableMetaInfo->pVgroupTables);
assert(vgIndex >= 0 && vgIndex < numOfVgroups);
......@@ -531,12 +531,12 @@ int tscBuildFetchMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
SVgroupTableInfo* pTableIdList = taosArrayGet(pTableMetaInfo->pVgroupTables, vgIndex);
pRetrieveMsg->header.vgId = htonl(pTableIdList->vgInfo.vgId);
tscDebug("%p build fetch msg from vgId:%d, vgIndex:%d", pSql, pTableIdList->vgInfo.vgId, vgIndex);
tscDebug("%p build fetch msg from vgId:%d, vgIndex:%d, qhandle:%" PRIX64, pSql, pTableIdList->vgInfo.vgId, vgIndex, pSql->res.qhandle);
}
} else {
STableMeta* pTableMeta = pTableMetaInfo->pTableMeta;
pRetrieveMsg->header.vgId = htonl(pTableMeta->vgId);
tscDebug("%p build fetch msg from only one vgroup, vgId:%d", pSql, pTableMeta->vgId);
tscDebug("%p build fetch msg from only one vgroup, vgId:%d, qhandle:%" PRIX64, pSql, pTableMeta->vgId, pSql->res.qhandle);
}
pSql->cmd.payloadLen = sizeof(SRetrieveTableMsg);
......
src/common/inc/tglobal.h
浏览文件 @ 0ee8b40f
......@@ -163,6 +163,7 @@ extern float tsTotalDataDirGB;
extern float tsAvailLogDirGB;
extern float tsAvailTmpDirectorySpace;
extern float tsAvailDataDirGB;
extern float tsUsedDataDirGB;
extern float tsMinimalLogDirGB;
extern float tsReservedTmpDirectorySpace;
extern float tsMinimalDataDirGB;
......
src/common/src/tglobal.c
浏览文件 @ 0ee8b40f
......@@ -210,6 +210,7 @@ float tsTotalTmpDirGB = 0;
float tsTotalDataDirGB = 0;
float tsAvailTmpDirectorySpace = 0;
float tsAvailDataDirGB = 0;
float tsUsedDataDirGB = 0;
float tsReservedTmpDirectorySpace = 1.0f;
float tsMinimalDataDirGB = 1.0f;
int32_t tsTotalMemoryMB = 0;
......
src/connector/jdbc/src/main/java/com/taosdata/jdbc/rs/RestfulResultSet.java
浏览文件 @ 0ee8b40f
......@@ -136,7 +136,8 @@ public class RestfulResultSet extends AbstractResultSet implements ResultSet {
throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_PARAMETER_INDEX_OUT_RANGE, "Column Index out of range, " + columnIndex + " > " + resultSet.get(pos).size());
columnIndex = getTrueColumnIndex(columnIndex);
return resultSet.get(pos).get(columnIndex).toString();
Object value = resultSet.get(pos).get(columnIndex);
return value == null ? null : value.toString();
}
@Override
......
src/connector/odbc/.gitignore 0 → 100644
浏览文件 @ 0ee8b40f
!c/
node_modules/
package-lock.json
src/connector/odbc/CMakeLists.txt
浏览文件 @ 0ee8b40f
......@@ -15,7 +15,7 @@ IF (TD_LINUX_64)
message(STATUS "unixodbc/unixodbc-dev are installed, and odbc connector will be built")
find_package(FLEX)
if(NOT FLEX_FOUND)
message(FATAL_ERROR "you need to install flex first")
message(WARNING "you need to install flex first")
else ()
if (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND CMAKE_C_COMPILER_VERSION VERSION_LESS 5.0.0)
message(WARNING "gcc 4.8.0 will complain too much about flex-generated code, we just bypass building ODBC driver in such case")
......@@ -24,7 +24,7 @@ IF (TD_LINUX_64)
SET(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -Wconversion")
ADD_SUBDIRECTORY(src)
ADD_SUBDIRECTORY(tools)
ADD_SUBDIRECTORY(tests)
ADD_SUBDIRECTORY(examples)
endif ()
endif()
endif()
......@@ -33,10 +33,44 @@ IF (TD_LINUX_64)
ENDIF ()
ENDIF ()
IF (TD_DARWIN)
find_program(HAVE_ODBCINST NAMES odbcinst)
IF (HAVE_ODBCINST)
include(CheckSymbolExists)
# shall we revert CMAKE_REQUIRED_LIBRARIES and how?
set(CMAKE_REQUIRED_LIBRARIES odbc)
set(CMAKE_REQUIRED_INCLUDES /usr/local/include)
set(CMAKE_REQUIRED_LINK_OPTIONS -L/usr/local/lib)
check_symbol_exists(SQLExecute "sql.h" HAVE_ODBC_DEV)
if(NOT (HAVE_ODBC_DEV))
unset(HAVE_ODBC_DEV CACHE)
message(WARNING "unixodbc-dev is not installed yet, you may install it with homebrew by typing: brew install unixodbc")
else ()
message(STATUS "unixodbc/unixodbc-dev are installed, and odbc connector will be built")
find_package(FLEX)
if(NOT FLEX_FOUND)
message(WARNING "you need to install flex first")
else ()
if (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND CMAKE_C_COMPILER_VERSION VERSION_LESS 5.0.0)
message(WARNING "gcc 4.8.0 will complain too much about flex-generated code, we just bypass building ODBC driver in such case")
else ()
SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wconversion")
SET(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -Wconversion")
ADD_SUBDIRECTORY(src)
ADD_SUBDIRECTORY(tools)
ADD_SUBDIRECTORY(examples)
endif ()
endif()
endif()
ELSE ()
message(WARNING "unixodbc is not installed yet, you may install it under ubuntu by typing: brew install unixodbc")
ENDIF ()
ENDIF ()
IF (TD_WINDOWS_64)
find_package(ODBC)
if (NOT ODBC_FOUND)
message(FATAL_ERROR "you need to install ODBC first")
message(WARNING "you need to install ODBC first")
else ()
message(STATUS "ODBC_INCLUDE_DIRS: ${ODBC_INCLUDE_DIRS}")
message(STATUS "ODBC_LIBRARIES: ${ODBC_LIBRARIES}")
......@@ -50,6 +84,7 @@ IF (TD_WINDOWS_64)
else ()
ADD_SUBDIRECTORY(src)
ADD_SUBDIRECTORY(tools)
ADD_SUBDIRECTORY(tests)
ADD_SUBDIRECTORY(examples)
endif()
ENDIF ()
src/connector/odbc/README.cn.md 0 → 100644
浏览文件 @ 0ee8b40f
# ODBC 驱动 #
- **TAOS ODBC驱动持续更新中**
- **目前导出的ODBC函数包括(注: 有些不常用的函数只是导出，但并未实现)**:
SQLAllocEnv
SQLFreeEnv
SQLAllocConnect
SQLFreeConnect
SQLGetEnvAttr
SQLSetEnvAttr
SQLGetConnectAttr
SQLGetConnectOption
SQLGetInfo
SQLConnect
SQLDisconnect
SQLAllocStmt
SQLAllocHandle
SQLFreeHandle
SQLFreeStmt
SQLExecDirect
SQLNumResultCols
SQLRowCount
SQLColAttribute
SQLGetData
SQLFetch
SQLPrepare
SQLExecute
SQLParamData
SQLPutData
SQLGetDiagRec
SQLBindParameter
SQLDescribeParam
SQLDriverConnect
SQLSetConnectAttr
SQLDescribeCol
SQLBindCol
SQLNumParams
SQLSetStmtAttr
SQLBindParam
SQLCancel
SQLCancelHandle
SQLCloseCursor
SQLColumns
SQLCopyDesc
SQLDataSources
SQLEndTran
SQLFetchScroll
SQLGetCursorName
SQLGetDescField
SQLGetDescRec
SQLGetStmtAttr
SQLGetStmtOption
SQLGetTypeInfo
SQLSetConnectOption
SQLSetCursorName
SQLSetDescField
SQLSetDescRec
SQLSetParam
SQLSetStmtOption
SQLSpecialColumns
SQLStatistics
SQLTables
SQLTransact
`
- **国际化。可以通过在ODBC连接串中指定针对SQLCHAR/SQLWCHAR/taos_charset/system-locale的字符集来解决常见的环境匹配问题**.
- **现有的ODBC客户端工具可以籍此驱动同TAOS数据源互联，包括主流linux/macosx/windows平台**
- **现有的支持ODBC的编程语言可以籍此驱动同TAOS数据源互联, 例如: c/nodejs/python/rust/go已经在上述三个主流平台测试通过, 熟悉其他语言的同学可以发现这基本上是开箱即用**
- **持续更新中**...
# 编译和测试使用
**Note**: 下述所有步骤都在TDengine项目的根目录下进行
**Note**: 请先确保src/connector/odbc如下所示，被包含在src/CMakeLists.txt源文件中
```
...
ADD_SUBDIRECTORY(dnode)
ADD_SUBDIRECTORY(connector/odbc)
ADD_SUBDIRECTORY(connector/jdbc)
```
# Linux下的编译, 以Ubuntu为例
```
sudo apt install unixodbc unixodbc-dev flex
rm -rf debug && cmake -B debug && cmake --build debug && cmake --install debug && echo yes
```
# MacOSX下的编译, 以Catalina为例，依赖homebrew进行第三方工具安装[https://brew.sh/]
```
brew install unixodbc
rm -rf debug && cmake -B debug && cmake --build debug && cmake --install debug && echo yes
```
# Windows下的编译, 以Windows 10为例
- 安装windows的`flex`工具. 目前我们使用[https://github.com/lexxmark/winflexbison](url). 安装完成后请确保win_flex.exe所在目录记录于`PATH`环境变量中.
- 安装Microsoft Visual Studio工具, 以VS2019为例
- `"C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Auxiliary\Build\vcvars64.bat"`
- `rmdir /s /q debug`
- `cmake -G "NMake Makefiles" -B debug`
- `cmake --build debug`
- `cmake --install debug`
- 以管理员身份打开`命令提示符`
- 安装ODBC驱动: 在上述打开的提示符下执行 `odbcconf /A {INSTALLDRIVER "TAOS | Driver=C:/TDengine/driver/todbc.dll | ConnectFunctions=YYN | DriverODBCVer=03.00"}`
- 新增一个数据源DSN: 执行 `odbcconf /A {CONFIGDSN "TAOS" "DSN=TAOS_DSN | Server=<host>:<port>"}`
上述步骤出现失败的话，可以参看这些链接:
1. win flex的安装: https://github.com/lexxmark/winflexbison/releases
2. PATH环境变量: https://jingyan.baidu.com/article/8ebacdf02d3c2949f65cd5d0.html
3. 管理员身份: https://blog.csdn.net/weixin_41083002/article/details/81019893
4. 安装odbc驱动/数据源: https://docs.microsoft.com/en-us/sql/odbc/odbcconf-exe?view=sql-server-ver15
# 测试使用
强烈建议您在linux上编译运行taosd服务端，因为当前TAOS还没有windows侧的服务端移植.
**Note1**: <>符号所括起的内容请按您当前的系统填写
**Note2**: `.stmts` 文件存放的是测试用sql语句, 注意其格式为`UTF-8`(不带BOM导引头)
## 按官方文档在linux侧启动taosd,确保选用'UTF-8'作为其字符集
## 在linux下创建数据
```
./debug/build/bin/tcodbc --dsn TAOS_DSN --uid <uid> --pwd <pwd> --sts ./src/connector/odbc/samples/create_data.stmts
--<或指定特殊的ODBC连接字符串 -->
./debug/build/bin/tcodbc -C 'DSN=TAOS_DSN;UID=<uid>;PWD=<pwd>;Server=<fqdn>:<port>' --sts ./src/connector/odbc/samples/create_data.stmts
```
## 在windows下检索数据
```
.\debug\build\bin\tcodbc -C "DSN=TAOS_DSN;UID=<uid>;PWD=<pwd>;Server=<fqdn>:<port>;enc_char=UTF-8" --sts .\src\connector\odbc\samples\query_data.stmts
```
## 在MacOSX下检索数据
```
./debug/build/bin/tcodbc -C "DSN=TAOS_DSN;UID=<uid>;PWD=<pwd>;Server=<fqdn>:<port>" --sts ./src/connector/odbc/samples/query_data.stmts
```
## 代码示例
- src/connector/odbc/examples/c
- src/connector/odbc/examples/js
- src/connector/odbc/examples/py
- src/connector/odbc/examples/rust
- src/connector/odbc/examples/go
在linux或MacOSX上, 可以通过修改运行如下脚本来尝试各种测试:
**Note**: 不要忘记替换<host>:<port>
**Note**: 你需要在你的平台上安装nodejs/python/rust/go
**Note**: 你还需要安装对应语言的ODBC包:
-- node-odbc for nodejs: https://www.npmjs.com/package/odbc
-- pyodbc for python: https://pypi.org/project/pyodbc/
-- rust-odbc for rust: https://docs.rs/odbc/0.17.0/odbc/
-- go-odbc for go: https://github.com/alexbrainman/odbc
```
echo c &&
./debug/build/bin/tcodbc -C "DSN=TAOS_DSN;Server=<host>:<port>" --sts src/connector/odbc/samples/create_data.stmts &&
echo nodejs &&
./src/connector/odbc/examples/js/odbc.js -C 'DSN=TAOS_DSN;Server=<host>:<port>' &&
echo python &&
python3 src/connector/odbc/examples/py/odbc.py -C 'DSN=TAOS_DSN;Server=<host>:<port>' &&
echo rust &&
pushd src/connector/odbc/examples/rust/main && DSN='DSN=TAOS_DSN;Server=<host>:<port>' cargo run && popd &&
echo go &&
DSN='DSN=TAOS_DSN;Server=<host>:<port>' go run src/connector/odbc/examples/go/odbc.go &&
```
## 您可以对比测试一下prepared-batch-insert是否会带来速度的提升:
**注** src/connector/odbc/examples/c/main.c是tcodbc的源代码
```
./debug/build/bin/tcodbc -C "DSN=TAOS_DSN;Server=<host>:<port>" --insert --batch_size 200 --batchs 10000
```
src/connector/odbc/README.md
浏览文件 @ 0ee8b40f
# ODBC Driver #
- **very initial implementation of ODBC driver for TAOS
- **on-going implementation of ODBC driver for TAOS**
- **currently partially supported ODBC functions are: `
- **currently exported ODBC functions are**:
SQLAllocEnv
SQLFreeEnv
SQLAllocConnect
SQLFreeConnect
SQLGetEnvAttr
SQLSetEnvAttr
SQLGetConnectAttr
SQLGetConnectOption
SQLGetInfo
SQLConnect
SQLDisconnect
SQLAllocStmt
SQLAllocHandle
SQLFreeHandle
SQLFreeStmt
SQLExecDirect
SQLExecDirectW
SQLNumResultCols
SQLRowCount
SQLColAttribute
......@@ -22,29 +27,62 @@ SQLGetData
SQLFetch
SQLPrepare
SQLExecute
SQLGetDiagField
SQLParamData
SQLPutData
SQLGetDiagRec
SQLBindParameter
SQLDescribeParam
SQLDriverConnect
SQLSetConnectAttr
SQLDescribeCol
SQLBindCol
SQLNumParams
SQLSetStmtAttr
ConfigDSN
SQLBindParam
SQLCancel
SQLCancelHandle
SQLCloseCursor
SQLColumns
SQLCopyDesc
SQLDataSources
SQLEndTran
SQLFetchScroll
SQLGetCursorName
SQLGetDescField
SQLGetDescRec
SQLGetStmtAttr
SQLGetStmtOption
SQLGetTypeInfo
SQLSetConnectOption
SQLSetCursorName
SQLSetDescField
SQLSetDescRec
SQLSetParam
SQLSetStmtOption
SQLSpecialColumns
SQLStatistics
SQLTables
SQLTransact
`
- **internationalized, you can specify different charset/code page for easy going. eg.: insert `utf-8.zh_cn` characters into database located in linux machine, while query them out in `gb2312/gb18030/...` code page in your chinese windows machine, or vice-versa. and much fun, insert `gb2312/gb18030/...` characters into database located in linux box from
your japanese windows box, and query them out in your local chinese windows machine.
- **internationalized, you can specify charset for SQLCHAR/SQLWCHAR/taos_charset/system-locale to coordinate with the environment**.
- **enable ODBC-aware software to communicate with TAOS.
- **enable ODBC-aware software to communicate with TAOS, no matter what platform it's running on, currently we support linux/macosx/windows**
- **enable any language with ODBC-bindings/ODBC-plugings to communicate with TAOS
- **enable any language with ODBC-bindings/ODBC-plugings to communicate with TAOS, currently c/nodejs/python/rust/go are all passed in our test environment, we believe other languages with ODBC-bindings/plugins are available-out-of-box**
- **still going on...
- **still going on**...
# Building and Testing
**Note**: all `work` is done in TDengine's project directory
**Note**: please make sure src/connector/odbc is included in src/CMakeLists.txt
```
...
ADD_SUBDIRECTORY(dnode)
ADD_SUBDIRECTORY(connector/odbc)
ADD_SUBDIRECTORY(connector/jdbc)
```
# Building under Linux, use Ubuntu as example
```
......@@ -53,36 +91,68 @@ rm -rf debug && cmake -B debug && cmake --build debug && cmake --install debug &
```
# Building under Windows, use Windows 10 as example
- install windows `flex` port. We use [https://github.com/lexxmark/winflexbison](url) at the moment. Please be noted to append `<path_to_win_flex.exe>` to your `PATH`.
- install Microsoft Visual Studio, take VS2015 as example here
- `"C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" amd64`
- install Microsoft Visual Studio, take VS2019 as example here
- `"C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Auxiliary\Build\vcvars64.bat"`
- `rmdir /s /q debug`
- `cmake -G "NMake Makefiles" -B debug`
- `cmake --build debug`
- `cmake --install debug`
- open your `Command Prompt` with Administrator's priviledge
- remove previously installed TAOS ODBC driver: run `C:\TDengine\todbcinst -u -f -n TAOS`
- install TAOS ODBC driver that was just built: run `C:\TDengine\todbcinst -i -n TAOS -p C:\TDengine\driver`
- add a new user dsn: run `odbcconf CONFIGDSN TAOS "DSN=TAOS_DSN|Server=<fqdn>:<port>`
- install TAOS ODBC driver that was just built: run `odbcconf /A {INSTALLDRIVER "TAOS | Driver=C:/TDengine/driver/todbc.dll | ConnectFunctions=YYN | DriverODBCVer=03.00"}`
- add a new user dsn: run `odbcconf /A {CONFIGDSN "TAOS" "DSN=TAOS_DSN | Server=host:port"}`
# Test
we highly suggest that you build both in linux(ubuntu) and windows(windows 10) platform, because currently TAOS only has it's server-side port on linux platform.
we highly suggest that you build both in linux(ubuntu) and windows(windows 10) platform, because currently TAOS has not server-side port on windows platform.
**Note1**: content within <> shall be modified to match your environment
**Note2**: `.stmts` source files are all encoded in `UTF-8`
## start taosd in linux, suppose charset is `UTF-8` as default
```
taosd -c ./debug/test/cfg
```
## start taosd in linux, suppose charset is `UTF-8` as default, please follow TAOS doc for starting up
## create data in linux
```
./debug/build/bin/tcodbc --dsn TAOS_DSN --uid <uid> --pwd <pwd> --sts ./src/connector/odbc/tests/create_data.stmts
./debug/build/bin/tcodbc --dsn TAOS_DSN --uid <uid> --pwd <pwd> --sts ./src/connector/odbc/samples/create_data.stmts
--<or with driver connection string -->
./debug/build/bin/tcodbc --dcs 'Driver=TAOS;UID=<uid>;PWD=<pwd>;Server=<fqdn>:<port>;client_enc=UTF-8' ./src/connector/odbc/tests/create_data.stmts
./debug/build/bin/tcodbc -C 'DSN=TAOS_DSN;UID=<uid>;PWD=<pwd>;Server=<fqdn>:<port>' --sts ./src/connector/odbc/samples/create_data.stmts
```
## query data in windows
```
.\debug\build\bin\tcodbc --dsn TAOS_DSN --uid <uid> --pwd <pwd> --sts .\src\connector\odbc\tests\query_data.stmts
--<or with driver connection string -->
.\debug\build\bin\tcodbc --dcs "Driver=TAOS;UID=<uid>;PWD=<pwd>;Server=<fqdn>:<port>;client_enc=UTF-8" .\src\connector\odbc\tests\query_data.stmts
.\debug\build\bin\tcodbc -C "DSN=TAOS_DSN;UID=<uid>;PWD=<pwd>;Server=<fqdn>:<port>;enc_char=UTF-8" --sts .\src\connector\odbc\samples\query_data.stmts
```
## query data in MacOSX
```
./debug/build/bin/tcodbc -C "DSN=TAOS_DSN;UID=<uid>;PWD=<pwd>;Server=<fqdn>:<port>" --sts ./src/connector/odbc/samples/query_data.stmts
```
## code examples
- src/connector/odbc/examples/c
- src/connector/odbc/examples/js
- src/connector/odbc/examples/py
- src/connector/odbc/examples/rust
- src/connector/odbc/examples/go
on linux/MacOSX, here after are script-snippet for you to play with:
**Note**: don't forget to replace <host>:<port> with whatever on your environment
**Note**: you need to install node/python3/rust/go on you machine
**Note**: you also need to install odbc-bindings/odbc-pluggins on those language platform, such as:
-- node-odbc for nodejs: https://www.npmjs.com/package/odbc
-- pyodbc for python: https://pypi.org/project/pyodbc/
-- rust-odbc for rust: https://docs.rs/odbc/0.17.0/odbc/
-- go-odbc for go: https://github.com/alexbrainman/odbc
```
echo c &&
./debug/build/bin/tcodbc -C "DSN=TAOS_DSN;Server=<host>:<port>" --sts src/connector/odbc/samples/create_data.stmts &&
echo nodejs &&
./src/connector/odbc/examples/js/odbc.js -C 'DSN=TAOS_DSN;Server=<host>:<port>' &&
echo python &&
python3 src/connector/odbc/examples/py/odbc.py -C 'DSN=TAOS_DSN;Server=<host>:<port>' &&
echo rust &&
pushd src/connector/odbc/examples/rust/main && DSN='DSN=TAOS_DSN;Server=<host>:<port>' cargo run && popd &&
echo go &&
DSN='DSN=TAOS_DSN;Server=<host>:<port>' go run src/connector/odbc/examples/go/odbc.go &&
```
## see how fast prepared-statment could bring up with:
```
./debug/build/bin/tcodbc -C "DSN=TAOS_DSN;Server=<host>:<port>" --insert --batch_size 200 --batchs 10000
```
src/connector/odbc/examples/CMakeLists.txt 0 → 100644
浏览文件 @ 0ee8b40f
PROJECT(TDengine)
ADD_SUBDIRECTORY(c)
src/connector/odbc/examples/c/CMakeLists.txt 0 → 100644
浏览文件 @ 0ee8b40f
PROJECT(TDengine)
ADD_EXECUTABLE(tcodbc main.c ../../src/todbc_log.c)
IF (TD_LINUX OR TD_DARWIN)
TARGET_LINK_LIBRARIES(tcodbc taos odbc)
ENDIF ()
IF (TD_DARWIN)
target_include_directories(tcodbc PRIVATE /usr/local/include)
target_link_directories(tcodbc PUBLIC /usr/local/lib)
ENDIF ()
IF (TD_WINDOWS_64)
SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /GL")
SET(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} /GL")
TARGET_LINK_LIBRARIES(tcodbc taos_static odbc32 odbccp32 user32 legacy_stdio_definitions os)
ADD_EXECUTABLE(tms main.cpp)
TARGET_LINK_LIBRARIES(tms odbc32)
ENDIF ()
src/connector/odbc/examples/c/main.cpp 0 → 100644
浏览文件 @ 0ee8b40f
/*******************************************************************************
/* ODBCSQL: a sample program that implements an ODBC command line interpreter.
/*
/* USAGE: ODBCSQL DSN=<dsn name> or
/* ODBCSQL FILEDSN=<file dsn> or
/* ODBCSQL DRIVER={driver name}
/*
/*
/* Copyright(c) Microsoft Corporation. This is a WDAC sample program and
/* is not suitable for use in production environments.
/*
/******************************************************************************/
/* Modules:
/* Main Main driver loop, executes queries.
/* DisplayResults Display the results of the query if any
/* AllocateBindings Bind column data
/* DisplayTitles Print column titles
/* SetConsole Set console display mode
/* HandleError Show ODBC error messages
/******************************************************************************/
#define _UNICODE
#define UNICODE
#include <windows.h>
#include <sql.h>
#include <sqlext.h>
#include <stdio.h>
#include <conio.h>
#include <tchar.h>
#include <stdlib.h>
#include <sal.h>
/*******************************************/
/* Macro to call ODBC functions and */
/* report an error on failure. */
/* Takes handle, handle type, and stmt */
/*******************************************/
#define TRYODBC(h, ht, x) { RETCODE rc = x;\
if (rc != SQL_SUCCESS) \
{ \
HandleDiagnosticRecord (h, ht, rc); \
} \
if (rc == SQL_ERROR) \
{ \
fwprintf(stderr, L"Error in " L#x L"\n"); \
goto Exit; \
} \
}
/******************************************/
/* Structure to store information about */
/* a column.
/******************************************/
typedef struct STR_BINDING {
SQLSMALLINT cDisplaySize; /* size to display */
WCHAR *wszBuffer; /* display buffer */
SQLLEN indPtr; /* size or null */
BOOL fChar; /* character col? */
struct STR_BINDING *sNext; /* linked list */
} BINDING;
/******************************************/
/* Forward references */
/******************************************/
void HandleDiagnosticRecord (SQLHANDLE hHandle,
SQLSMALLINT hType,
RETCODE RetCode);
void DisplayResults(HSTMT hStmt,
SQLSMALLINT cCols);
void AllocateBindings(HSTMT hStmt,
SQLSMALLINT cCols,
BINDING** ppBinding,
SQLSMALLINT* pDisplay);
void DisplayTitles(HSTMT hStmt,
DWORD cDisplaySize,
BINDING* pBinding);
void SetConsole(DWORD cDisplaySize,
BOOL fInvert);
/*****************************************/
/* Some constants */
/*****************************************/
#define DISPLAY_MAX 50 // Arbitrary limit on column width to display
#define DISPLAY_FORMAT_EXTRA 3 // Per column extra display bytes (| <data> )
#define DISPLAY_FORMAT L"%c %*.*s "
#define DISPLAY_FORMAT_C L"%c %-*.*s "
#define NULL_SIZE 6 // <NULL>
#define SQL_QUERY_SIZE 1000 // Max. Num characters for SQL Query passed in.
#define PIPE L'|'
SHORT gHeight = 80; // Users screen height
int __cdecl wmain(int argc, _In_reads_(argc) WCHAR **argv)
{
SQLHENV hEnv = NULL;
SQLHDBC hDbc = NULL;
SQLHSTMT hStmt = NULL;
WCHAR* pwszConnStr;
WCHAR wszInput[SQL_QUERY_SIZE];
// Allocate an environment
if (SQLAllocHandle(SQL_HANDLE_ENV, SQL_NULL_HANDLE, &hEnv) == SQL_ERROR)
{
fwprintf(stderr, L"Unable to allocate an environment handle\n");
exit(-1);
}
// Register this as an application that expects 3.x behavior,
// you must register something if you use AllocHandle
TRYODBC(hEnv,
SQL_HANDLE_ENV,
SQLSetEnvAttr(hEnv,
SQL_ATTR_ODBC_VERSION,
(SQLPOINTER)SQL_OV_ODBC3,
0));
// Allocate a connection
TRYODBC(hEnv,
SQL_HANDLE_ENV,
SQLAllocHandle(SQL_HANDLE_DBC, hEnv, &hDbc));
if (argc > 1)
{
pwszConnStr = *++argv;
}
else
{
pwszConnStr = L"";
}
// Connect to the driver. Use the connection string if supplied
// on the input, otherwise let the driver manager prompt for input.
TRYODBC(hDbc,
SQL_HANDLE_DBC,
SQLDriverConnect(hDbc,
GetDesktopWindow(),
pwszConnStr,
SQL_NTS,
NULL,
0,
NULL,
SQL_DRIVER_COMPLETE));
fwprintf(stderr, L"Connected!\n");
TRYODBC(hDbc,
SQL_HANDLE_DBC,
SQLAllocHandle(SQL_HANDLE_STMT, hDbc, &hStmt));
wprintf(L"Enter SQL commands, type (control)Z to exit\nSQL COMMAND>");
// Loop to get input and execute queries
while(_fgetts(wszInput, SQL_QUERY_SIZE-1, stdin))
{
RETCODE RetCode;
SQLSMALLINT sNumResults;
// Execute the query
if (!(*wszInput))
{
wprintf(L"SQL COMMAND>");
continue;
}
RetCode = SQLExecDirect(hStmt,wszInput, SQL_NTS);
switch(RetCode)
{
case SQL_SUCCESS_WITH_INFO:
{
HandleDiagnosticRecord(hStmt, SQL_HANDLE_STMT, RetCode);
// fall through
}
case SQL_SUCCESS:
{
// If this is a row-returning query, display
// results
TRYODBC(hStmt,
SQL_HANDLE_STMT,
SQLNumResultCols(hStmt,&sNumResults));
if (sNumResults > 0)
{
DisplayResults(hStmt,sNumResults);
}
else
{
SQLLEN cRowCount;
TRYODBC(hStmt,
SQL_HANDLE_STMT,
SQLRowCount(hStmt,&cRowCount));
if (cRowCount >= 0)
{
wprintf(L"%Id %s affected\n",
cRowCount,
cRowCount == 1 ? L"row" : L"rows");
}
}
break;
}
case SQL_ERROR:
{
HandleDiagnosticRecord(hStmt, SQL_HANDLE_STMT, RetCode);
break;
}
default:
fwprintf(stderr, L"Unexpected return code %hd!\n", RetCode);
}
TRYODBC(hStmt,
SQL_HANDLE_STMT,
SQLFreeStmt(hStmt, SQL_CLOSE));
wprintf(L"SQL COMMAND>");
}
Exit:
// Free ODBC handles and exit
if (hStmt)
{
SQLFreeHandle(SQL_HANDLE_STMT, hStmt);
}
if (hDbc)
{
SQLDisconnect(hDbc);
SQLFreeHandle(SQL_HANDLE_DBC, hDbc);
}
if (hEnv)
{
SQLFreeHandle(SQL_HANDLE_ENV, hEnv);
}
wprintf(L"\nDisconnected.");
return 0;
}
/************************************************************************
/* DisplayResults: display results of a select query
/*
/* Parameters:
/* hStmt ODBC statement handle
/* cCols Count of columns
/************************************************************************/
void DisplayResults(HSTMT hStmt,
SQLSMALLINT cCols)
{
BINDING *pFirstBinding, *pThisBinding;
SQLSMALLINT cDisplaySize;
RETCODE RetCode = SQL_SUCCESS;
int iCount = 0;
// Allocate memory for each column
AllocateBindings(hStmt, cCols, &pFirstBinding, &cDisplaySize);
// Set the display mode and write the titles
DisplayTitles(hStmt, cDisplaySize+1, pFirstBinding);
// Fetch and display the data
bool fNoData = false;
do {
// Fetch a row
if (iCount++ >= gHeight - 2)
{
int nInputChar;
bool fEnterReceived = false;
while(!fEnterReceived)
{
wprintf(L" ");
SetConsole(cDisplaySize+2, TRUE);
wprintf(L" Press ENTER to continue, Q to quit (height:%hd)", gHeight);
SetConsole(cDisplaySize+2, FALSE);
nInputChar = _getch();
wprintf(L"\n");
if ((nInputChar == 'Q') || (nInputChar == 'q'))
{
goto Exit;
}
else if ('\r' == nInputChar)
{
fEnterReceived = true;
}
// else loop back to display prompt again
}
iCount = 1;
DisplayTitles(hStmt, cDisplaySize+1, pFirstBinding);
}
TRYODBC(hStmt, SQL_HANDLE_STMT, RetCode = SQLFetch(hStmt));
if (RetCode == SQL_NO_DATA_FOUND)
{
fNoData = true;
}
else
{
// Display the data. Ignore truncations
for (pThisBinding = pFirstBinding;
pThisBinding;
pThisBinding = pThisBinding->sNext)
{
if (pThisBinding->indPtr != SQL_NULL_DATA)
{
wprintf(pThisBinding->fChar ? DISPLAY_FORMAT_C:DISPLAY_FORMAT,
PIPE,
pThisBinding->cDisplaySize,
pThisBinding->cDisplaySize,
pThisBinding->wszBuffer);
}
else
{
wprintf(DISPLAY_FORMAT_C,
PIPE,
pThisBinding->cDisplaySize,
pThisBinding->cDisplaySize,
L"<NULL>");
}
}
wprintf(L" %c\n",PIPE);
}
} while (!fNoData);
SetConsole(cDisplaySize+2, TRUE);
wprintf(L"%*.*s", cDisplaySize+2, cDisplaySize+2, L" ");
SetConsole(cDisplaySize+2, FALSE);
wprintf(L"\n");
Exit:
// Clean up the allocated buffers
while (pFirstBinding)
{
pThisBinding = pFirstBinding->sNext;
free(pFirstBinding->wszBuffer);
free(pFirstBinding);
pFirstBinding = pThisBinding;
}
}
/************************************************************************
/* AllocateBindings: Get column information and allocate bindings
/* for each column.
/*
/* Parameters:
/* hStmt Statement handle
/* cCols Number of columns in the result set
/* *lppBinding Binding pointer (returned)
/* lpDisplay Display size of one line
/************************************************************************/
void AllocateBindings(HSTMT hStmt,
SQLSMALLINT cCols,
BINDING **ppBinding,
SQLSMALLINT *pDisplay)
{
SQLSMALLINT iCol;
BINDING *pThisBinding, *pLastBinding = NULL;
SQLLEN cchDisplay, ssType;
SQLSMALLINT cchColumnNameLength;
*pDisplay = 0;
for (iCol = 1; iCol <= cCols; iCol++)
{
pThisBinding = (BINDING *)(malloc(sizeof(BINDING)));
if (!(pThisBinding))
{
fwprintf(stderr, L"Out of memory!\n");
exit(-100);
}
if (iCol == 1)
{
*ppBinding = pThisBinding;
}
else
{
pLastBinding->sNext = pThisBinding;
}
pLastBinding = pThisBinding;
// Figure out the display length of the column (we will
// bind to char since we are only displaying data, in general
// you should bind to the appropriate C type if you are going
// to manipulate data since it is much faster...)
TRYODBC(hStmt,
SQL_HANDLE_STMT,
SQLColAttribute(hStmt,
iCol,
SQL_DESC_DISPLAY_SIZE,
NULL,
0,
NULL,
&cchDisplay));
// Figure out if this is a character or numeric column; this is
// used to determine if we want to display the data left- or right-
// aligned.
// SQL_DESC_CONCISE_TYPE maps to the 1.x SQL_COLUMN_TYPE.
// This is what you must use if you want to work
// against a 2.x driver.
TRYODBC(hStmt,
SQL_HANDLE_STMT,
SQLColAttribute(hStmt,
iCol,
SQL_DESC_CONCISE_TYPE,
NULL,
0,
NULL,
&ssType));
pThisBinding->fChar = (ssType == SQL_CHAR ||
ssType == SQL_VARCHAR ||
ssType == SQL_LONGVARCHAR);
pThisBinding->sNext = NULL;
// Arbitrary limit on display size
if (cchDisplay > DISPLAY_MAX)
cchDisplay = DISPLAY_MAX;
// Allocate a buffer big enough to hold the text representation
// of the data. Add one character for the null terminator
pThisBinding->wszBuffer = (WCHAR *)malloc((cchDisplay+1) * sizeof(WCHAR));
if (!(pThisBinding->wszBuffer))
{
fwprintf(stderr, L"Out of memory!\n");
exit(-100);
}
// Map this buffer to the driver's buffer. At Fetch time,
// the driver will fill in this data. Note that the size is
// count of bytes (for Unicode). All ODBC functions that take
// SQLPOINTER use count of bytes; all functions that take only
// strings use count of characters.
TRYODBC(hStmt,
SQL_HANDLE_STMT,
SQLBindCol(hStmt,
iCol,
SQL_C_TCHAR,
(SQLPOINTER) pThisBinding->wszBuffer,
(cchDisplay + 1) * sizeof(WCHAR),
&pThisBinding->indPtr));
// Now set the display size that we will use to display
// the data. Figure out the length of the column name
TRYODBC(hStmt,
SQL_HANDLE_STMT,
SQLColAttribute(hStmt,
iCol,
SQL_DESC_NAME,
NULL,
0,
&cchColumnNameLength,
NULL));
pThisBinding->cDisplaySize = max((SQLSMALLINT)cchDisplay, cchColumnNameLength);
if (pThisBinding->cDisplaySize < NULL_SIZE)
pThisBinding->cDisplaySize = NULL_SIZE;
*pDisplay += pThisBinding->cDisplaySize + DISPLAY_FORMAT_EXTRA;
}
return;
Exit:
exit(-1);
return;
}
/************************************************************************
/* DisplayTitles: print the titles of all the columns and set the
/* shell window's width
/*
/* Parameters:
/* hStmt Statement handle
/* cDisplaySize Total display size
/* pBinding list of binding information
/************************************************************************/
void DisplayTitles(HSTMT hStmt,
DWORD cDisplaySize,
BINDING *pBinding)
{
WCHAR wszTitle[DISPLAY_MAX];
SQLSMALLINT iCol = 1;
SetConsole(cDisplaySize+2, TRUE);
for (; pBinding; pBinding = pBinding->sNext)
{
TRYODBC(hStmt,
SQL_HANDLE_STMT,
SQLColAttribute(hStmt,
iCol++,
SQL_DESC_NAME,
wszTitle,
sizeof(wszTitle), // Note count of bytes!
NULL,
NULL));
wprintf(DISPLAY_FORMAT_C,
PIPE,
pBinding->cDisplaySize,
pBinding->cDisplaySize,
wszTitle);
}
Exit:
wprintf(L" %c", PIPE);
SetConsole(cDisplaySize+2, FALSE);
wprintf(L"\n");
}
/************************************************************************
/* SetConsole: sets console display size and video mode
/*
/* Parameters
/* siDisplaySize Console display size
/* fInvert Invert video?
/************************************************************************/
void SetConsole(DWORD dwDisplaySize,
BOOL fInvert)
{
HANDLE hConsole;
CONSOLE_SCREEN_BUFFER_INFO csbInfo;
// Reset the console screen buffer size if necessary
hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
if (hConsole != INVALID_HANDLE_VALUE)
{
if (GetConsoleScreenBufferInfo(hConsole, &csbInfo))
{
if (csbInfo.dwSize.X < (SHORT) dwDisplaySize)
{
csbInfo.dwSize.X = (SHORT) dwDisplaySize;
SetConsoleScreenBufferSize(hConsole, csbInfo.dwSize);
}
gHeight = csbInfo.dwSize.Y;
}
if (fInvert)
{
SetConsoleTextAttribute(hConsole, (WORD)(csbInfo.wAttributes | BACKGROUND_BLUE));
}
else
{
SetConsoleTextAttribute(hConsole, (WORD)(csbInfo.wAttributes & ~(BACKGROUND_BLUE)));
}
}
}
/************************************************************************
/* HandleDiagnosticRecord : display error/warning information
/*
/* Parameters:
/* hHandle ODBC handle
/* hType Type of handle (HANDLE_STMT, HANDLE_ENV, HANDLE_DBC)
/* RetCode Return code of failing command
/************************************************************************/
void HandleDiagnosticRecord (SQLHANDLE hHandle,
SQLSMALLINT hType,
RETCODE RetCode)
{
SQLSMALLINT iRec = 0;
SQLINTEGER iError;
WCHAR wszMessage[1000];
WCHAR wszState[SQL_SQLSTATE_SIZE+1];
if (RetCode == SQL_INVALID_HANDLE)
{
fwprintf(stderr, L"Invalid handle!\n");
return;
}
while (SQLGetDiagRec(hType,
hHandle,
++iRec,
wszState,
&iError,
wszMessage,
(SQLSMALLINT)(sizeof(wszMessage) / sizeof(WCHAR)),
(SQLSMALLINT *)NULL) == SQL_SUCCESS)
{
// Hide data truncated..
if (wcsncmp(wszState, L"01004", 5))
{
fwprintf(stderr, L"[%5.5s] %s (%d)\n", wszState, wszMessage, iError);
}
}
}
src/connector/odbc/examples/go/odbc.go 0 → 100644
浏览文件 @ 0ee8b40f
package main
import (
"context"
"database/sql"
"flag"
"log"
"os"
"os/signal"
"time"
_ "github.com/alexbrainman/odbc"
)
var pool *sql.DB // Database connection pool.
func main() {
id := flag.Int64("id", 32768, "person ID to find")
dsn := flag.String("dsn", os.Getenv("DSN"), "connection data source name")
flag.Parse()
if len(*dsn) == 0 {
log.Fatal("missing dsn flag")
}
if *id == 0 {
log.Fatal("missing person ID")
}
var err error
// Opening a driver typically will not attempt to connect to the database.
pool, err = sql.Open("odbc", *dsn)
if err != nil {
// This will not be a connection error, but a DSN parse error or
// another initialization error.
log.Fatal("unable to use data source name", err)
}
defer pool.Close()
pool.SetConnMaxLifetime(0)
pool.SetMaxIdleConns(3)
pool.SetMaxOpenConns(3)
ctx, stop := context.WithCancel(context.Background())
defer stop()
appSignal := make(chan os.Signal, 3)
signal.Notify(appSignal, os.Interrupt)
go func() {
select {
case <-appSignal:
stop()
}
}()
Ping(ctx)
Query(ctx, *id)
}
// Ping the database to verify DSN provided by the user is valid and the
// server accessible. If the ping fails exit the program with an error.
func Ping(ctx context.Context) {
ctx, cancel := context.WithTimeout(ctx, 1*time.Second)
defer cancel()
if err := pool.PingContext(ctx); err != nil {
log.Fatalf("unable to connect to database: %v", err)
}
}
// Query the database for the information requested and prints the results.
// If the query fails exit the program with an error.
func Query(ctx context.Context, id int64) {
ctx, cancel := context.WithTimeout(ctx, 5*time.Second)
defer cancel()
var name string
err := pool.QueryRowContext(ctx, "select name from m.t").Scan(&name)
if err != nil {
log.Fatal("unable to execute search query", err)
}
log.Println("name=", name)
}
src/connector/odbc/examples/js/odbc.js 0 → 100755
浏览文件 @ 0ee8b40f
#!/usr/bin/env node
const odbc = require('odbc');
const path = require('path');
function usage() {
var arg = path.basename(process.argv[1]);
console.error(`usage:`);
console.error(`${arg} --DSN <DSN> --UID <uid> --PWD <pwd> --Server <host:port>`);
console.error(`${arg} -C <conn_str>`);
console.error(` conn_str eg: 'DSN={TAOS_DSN};UID=root;PWD=taosdata;Server=host:port'`);
}
var cfg = { };
if (process.argv.length==2) {
usage();
process.exit(0);
}
var i;
for (i=2; i<process.argv.length; ++i) {
var arg = process.argv[i];
if (arg=='-h') {
usage();
process.exit(0);
}
if (arg=="--DSN") {
++i;
if (i>=process.argv.length) {
console.error(`expecting <dns> after --DSN but got nothing`);
usage(process.argv[1]);
process.exit(1);
}
arg = process.argv[i];
cfg.dsn = arg;
continue;
}
if (arg=="--UID") {
++i;
if (i>=process.argv.length) {
console.error(`expecting <uid> after --UID but got nothing`);
usage(process.argv[1]);
process.exit(1);
}
arg = process.argv[i];
cfg.uid = arg;
continue;
}
if (arg=="--PWD") {
++i;
if (i>=process.argv.length) {
console.error(`expecting <pwd> after --PWD but got nothing`);
usage(process.argv[1]);
process.exit(1);
}
arg = process.argv[i];
cfg.pwd = arg;
continue;
}
if (arg=="--Server") {
++i;
if (i>=process.argv.length) {
console.error(`expecting <host:port> after --Server but got nothing`);
usage(process.argv[1]);
process.exit(1);
}
arg = process.argv[i];
cfg.server = arg;
continue;
}
if (arg=="-C") {
++i;
if (i>=process.argv.length) {
console.error(`expecting <conn_str> after -C but got nothing`);
console.error(` conn_str eg: 'DSN={TAOS_DSN};UID=root;PWD=taosdata;Server=host:port'`);
process.exit(1);
}
arg = process.argv[i];
cfg.conn_str = arg;
continue;
}
console.error(`unknown argument: [${arg}]`);
usage(process.argv[1]);
process.exit(1);
}
var connectionString = cfg.conn_str;
if (!cfg.conn_str) {
connectionString = `DSN={${cfg.dsn}}; UID=${cfg.uid}; PWD=${cfg.pwd}; Server=${cfg.server}`;
}
(async function () {
const connStr = connectionString;
try {
console.log(`connecting [${connStr}]...`);
const connection = await odbc.connect(connStr);
await connection.query('create database if not exists m');
await connection.query('use m');
await connection.query('drop table if exists t');
await connection.query('create table t (ts timestamp, b bool, v1 tinyint, v2 smallint, v4 int, v8 bigint, f4 float, f8 double, bin binary(10), name nchar(3))');
await connection.query('insert into t values("2020-01-02 12:34:56.781", 1, 127, 32767, 32768, 32769, 123.456, 789.987, "hello", "我和你")');
console.log('.........');
result = await connection.query('select * from t');
console.log(result[0]);
statement = await connection.createStatement();
await statement.prepare('INSERT INTO t (ts, v1) VALUES(?, ?)');
await statement.bind(['2020-02-02 11:22:33.449', 89]);
result = await statement.execute();
console.log(result);
result = await connection.query('select * from t');
console.log(result[0]);
console.log(result[1]);
} catch (e) {
console.log('error:', e);
}
})();
src/connector/odbc/examples/js/package.json 0 → 100644
浏览文件 @ 0ee8b40f
{
"dependencies": {
"odbc": "^2.3.6"
}
}
src/connector/odbc/examples/lua/odbc.lua 0 → 100644
浏览文件 @ 0ee8b40f
package.cpath = package.cpath .. ";/usr/local/lib/lib?.dylib"
-- load driver
local driver = require "luasql.odbc"
-- create environment object
env = assert (driver.odbc())
-- connect to data source
con = assert (env:connect("TAOS_DSN", "root", "taosdata"))
-- reset our table
-- res = con:execute"DROP TABLE people"
-- res = assert (con:execute[[
-- CREATE TABLE people(
-- name varchar(50),
-- email varchar(50)
-- )
-- ]])
-- -- add a few elements
-- list = {
-- { name="Jose das Couves", email="jose@couves.com", },
-- { name="Manoel Joaquim", email="manoel.joaquim@cafundo.com", },
-- { name="Maria das Dores", email="maria@dores.com", },
-- }
-- for i, p in pairs (list) do
-- res = assert (con:execute(string.format([[
-- INSERT INTO people
-- VALUES ('%s', '%s')]], p.name, p.email)
-- ))
-- end
-- -- retrieve a cursor
-- cur = assert (con:execute"SELECT name, email from people")
-- -- print all rows, the rows will be indexed by field names
-- row = cur:fetch ({}, "a")
-- while row do
-- print(string.format("Name: %s, E-mail: %s", row.name, row.email))
-- -- reusing the table of results
-- row = cur:fetch (row, "a")
-- end
cur = assert(con:execute"select * from m.t")
row = cur:fetch({}, "a")
while row do
print(string.format("Name: %s", row.name))
row = cur:fetch(row, "a")
end
-- close everything
cur:close() -- already closed because all the result set was consumed
con:close()
env:close()
src/connector/odbc/examples/py/odbc.py 0 → 100644
浏览文件 @ 0ee8b40f
import pyodbc
import argparse
import sys
parser = argparse.ArgumentParser(description='Access TDengine via ODBC.')
parser.add_argument('--DSN', help='DSN to use')
parser.add_argument('--UID', help='UID to use')
parser.add_argument('--PWD', help='PWD to use')
parser.add_argument('--Server', help='Server to use')
parser.add_argument('-C', metavar='CONNSTR', help='Connection string to use')
args = parser.parse_args()
a = 'DSN=%s'%args.DSN if args.DSN else None
b = 'UID=%s'%args.UID if args.UID else None
c = 'PWD=%s'%args.PWD if args.PWD else None
d = 'Server=%s'%args.Server if args.Server else None
conn_str = ';'.join(filter(None, [a,b,c,d])) if args.DSN else None
conn_str = conn_str if conn_str else args.C
if not conn_str:
parser.print_help(file=sys.stderr)
exit()
print('connecting: [%s]' % conn_str)
cnxn = pyodbc.connect(conn_str, autocommit=True)
cnxn.setdecoding(pyodbc.SQL_CHAR, encoding='utf-8')
cursor = cnxn.cursor()
cursor.execute("drop database if exists db");
cursor.close()
cursor = cnxn.cursor()
cursor.execute("create database db");
cursor.close()
cursor = cnxn.cursor()
cursor.execute("create table db.mt (ts timestamp, b bool, v1 tinyint, v2 smallint, v4 int, v8 bigint, f4 float, f8 double, bin binary(10), blob nchar(10))");
cursor.close()
cursor = cnxn.cursor()
cursor.execute("insert into db.mt values('2020-10-13 06:44:00.123', 1, 127, 32767, 2147483647, 32769, 123.456, 789.987, 'hello', 'helloworld')")
cursor.close()
cursor = cnxn.cursor()
cursor.execute("insert into db.mt values(?,?,?,?,?,?,?,?,?,?)", "2020-10-13 07:06:00.234", 0, 127, 32767, 32768, 32769, 123.456, 789.987, "hel后lo".encode('utf-8'), "wo哈rlxd129")
##cursor.execute("insert into db.mt values(?,?,?,?,?,?,?,?,?,?)", 1502535178128, 9223372036854775807, 127, 32767, 32768, 32769, 123.456, 789.987, "hel后lo".encode('utf-8'), "wo哈rlxd123");
cursor.close()
cursor = cnxn.cursor()
cursor.execute("""
INSERT INTO db.mt (ts,b,v1,v2,v4,v8,f4,f8,bin,blob) values (?,?,?,?,?,?,?,?,?,?)
""",
"2020-12-12 00:00:00",
'true',
'-127',
'-32767',
'-2147483647',
'-9223372036854775807',
'-1.23e10',
'-11.23e6',
'abcdefghij'.encode('utf-8'),
"人啊大发测试及abc")
cursor.close()
cursor = cnxn.cursor()
cursor.execute("drop database if exists db");
cursor.close()
cursor = cnxn.cursor()
cursor.execute("create database db");
cursor.close()
cursor = cnxn.cursor()
cursor.execute("create table db.t (ts timestamp, b bool, v1 tinyint, v2 smallint, v4 int, v8 bigint, f4 float, f8 double, bin binary(4), blob nchar(4))");
cursor.close()
cursor = cnxn.cursor()
cursor.execute("insert into db.t values('2020-10-13 06:44:00', 1, 127, 32767, 32768, 32769, 123.456, 789.987, 'hell', 'w我你z')")
cursor.close()
cursor = cnxn.cursor()
cursor.execute("create table db.v (ts timestamp, v1 tinyint, v2 smallint, name nchar(10), ts2 timestamp)")
cursor.close()
params = [ ('2020-10-16 00:00:00.123', 19, '2111-01-02 01:02:03.123'),
('2020-10-16 00:00:01', 41, '2111-01-02 01:02:03.423'),
('2020-10-16 00:00:02', 57, '2111-01-02 01:02:03.153'),
('2020-10-16 00:00:03.009', 26, '2111-01-02 01:02:03.623') ]
cursor = cnxn.cursor()
cursor.fast_executemany = True
print('py:...................')
cursor.executemany("insert into db.v (ts, v1, ts2) values (?, ?, ?)", params)
print('py:...................')
cursor.close()
## cursor = cnxn.cursor()
## cursor.execute("SELECT * from db.v where v1 > ?", 4)
## row = cursor.fetchone()
## while row:
## print(row)
## row = cursor.fetchone()
## cursor.close()
##
## cursor = cnxn.cursor()
## cursor.execute("SELECT * from db.v where v1 > ?", '5')
## row = cursor.fetchone()
## while row:
## print(row)
## row = cursor.fetchone()
## cursor.close()
src/connector/odbc/examples/rust/main/Cargo.toml 0 → 100644
浏览文件 @ 0ee8b40f
[package]
name = "main"
version = "0.1.0"
authors = ["freemine <freemine@yeah.net>"]
edition = "2018"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
odbc = "0.17.0"
env_logger = "0.8.2"
src/connector/odbc/examples/rust/main/src/main.rs 0 → 100644
浏览文件 @ 0ee8b40f
extern crate odbc;
// Use this crate and set environmet variable RUST_LOG=odbc to see ODBC warnings
extern crate env_logger;
use odbc::*;
use odbc_safe::AutocommitOn;
use std::env;
fn main() {
env_logger::init();
let conn_str = env::var("DSN").unwrap();
match connect(&conn_str) {
Ok(()) => println!("Success"),
Err(diag) => println!("Error: {}", diag),
}
}
fn connect(conn_str: &str) -> std::result::Result<(), DiagnosticRecord> {
let env = create_environment_v3().map_err(|e| e.unwrap())?;
let conn = env.connect_with_connection_string(conn_str)?;
execute_statement(&conn)
}
fn execute_statement<'env>(conn: &Connection<'env, AutocommitOn>) -> Result<()> {
let stmt = Statement::with_parent(conn)?;
match stmt.exec_direct("select * from m.t")? {
Data(mut stmt) => {
let cols = stmt.num_result_cols()?;
println!("cols: {}", cols);
while let Some(mut cursor) = stmt.fetch()? {
for i in 1..(cols + 1) {
match cursor.get_data::<&str>(i as u16)? {
Some(val) => print!(" {}", val),
None => print!(" NULL"),
}
}
println!("");
}
}
NoData(_) => println!("Query executed, no data returned"),
}
Ok(())
}
src/connector/odbc/tests/create_data.stmts → src/connector/odbc/samples/create_data.stmts
浏览文件 @ 0ee8b40f
#P: positive sample
#N: negative sample
P:drop database if exists m;
P:create database m;
P:use m;
P:drop table if exists t;
P:create table t (ts timestamp, b bool, v1 tinyint, v2 smallint, v4 int, v8 bigint, f4 float, f8 double, blob binary(3), name nchar(1));
P:insert into t (ts, blob, name) values('2020-10-10 00:00:00', 0, 1);
P:insert into t (ts, blob, name) values('2020-10-10 00:00:00.001', 1, 2);
P:create table t (ts timestamp, b bool, v1 tinyint, v2 smallint, v4 int, v8 bigint, f4 float, f8 double, blob binary(3), name nchar(1), ts2 nchar(148));
#P:insert into t (ts, blob, name) values('2020-10-10 00:00:00', 0, 1);
#P:insert into t (ts, blob, name) values('2020-10-10 00:00:00.001', 1, 2);
P:insert into t (ts, blob, name) values('2020-10-10 00:00:00.002', '你', '好');
P:insert into t (ts, blob, name) values('2020-10-10 00:00:00.003', 'abc', 'd');
P:select * from t;
P:create table v (ts timestamp, b bool, v1 tinyint, v2 smallint, v4 int, v8 bigint, f4 float, f8 double, blob binary(3), name nchar(1), ts2 nchar(23));
src/connector/odbc/src/CMakeLists.txt
浏览文件 @ 0ee8b40f
CMAKE_MINIMUM_REQUIRED(VERSION 2.8)
PROJECT(TDengine)
add_subdirectory(base)
IF (TD_LINUX_64)
FLEX_TARGET(todbcFlexScanner
todbc_scanner.l
......@@ -15,12 +17,35 @@ IF (TD_LINUX_64)
ADD_LIBRARY(todbc SHARED ${SRC} ${todbc_flex_scanner_src})
SET_TARGET_PROPERTIES(todbc PROPERTIES CLEAN_DIRECT_OUTPUT 1)
SET_TARGET_PROPERTIES(todbc PROPERTIES VERSION ${TD_VER_NUMBER} SOVERSION 1)
TARGET_LINK_LIBRARIES(todbc taos odbcinst)
TARGET_LINK_LIBRARIES(todbc todbc_base taos odbcinst)
target_include_directories(todbc PUBLIC .)
install(CODE "execute_process(COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/install.sh ${CMAKE_BINARY_DIR})")
ENDIF ()
IF (TD_DARWIN)
FLEX_TARGET(todbcFlexScanner
todbc_scanner.l
${CMAKE_CURRENT_BINARY_DIR}/todbc_scanner.c
)
set(todbc_flex_scanner_src
${FLEX_todbcFlexScanner_OUTPUTS}
)
set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/todbc_scanner.c PROPERTIES COMPILE_OPTIONS "-Wno-conversion")
AUX_SOURCE_DIRECTORY(. SRC)
# generate dynamic library (*.dylib)
ADD_LIBRARY(todbc SHARED ${SRC} ${todbc_flex_scanner_src})
SET_TARGET_PROPERTIES(todbc PROPERTIES CLEAN_DIRECT_OUTPUT 1)
SET_TARGET_PROPERTIES(todbc PROPERTIES VERSION ${TD_VER_NUMBER} SOVERSION 1)
TARGET_LINK_LIBRARIES(todbc todbc_base taos odbcinst)
target_include_directories(todbc PUBLIC .)
target_include_directories(todbc PRIVATE /usr/local/include)
target_link_directories(todbc PUBLIC /usr/local/lib)
install(CODE "execute_process(COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/install.sh ${CMAKE_BINARY_DIR})")
ENDIF ()
IF (TD_WINDOWS_64)
FLEX_TARGET(todbcFlexScanner
todbc_scanner.l
......@@ -37,7 +62,7 @@ IF (TD_WINDOWS_64)
${todbc_flex_scanner_src}
${CMAKE_CURRENT_BINARY_DIR}/todbc.rc
todbc.def)
TARGET_LINK_LIBRARIES(todbc taos_static odbccp32 legacy_stdio_definitions)
TARGET_LINK_LIBRARIES(todbc todbc_base taos_static odbccp32 legacy_stdio_definitions)
target_include_directories(todbc PUBLIC .)
target_compile_definitions(todbc PRIVATE "todbc_EXPORT")
......@@ -52,3 +77,4 @@ IF (TD_WINDOWS_64)
INSTALL(FILES ${LIBRARY_OUTPUT_PATH}/todbc.exp DESTINATION driver)
INSTALL(FILES ${LIBRARY_OUTPUT_PATH}/todbc.dll DESTINATION driver)
ENDIF ()
src/connector/odbc/src/base.c 0 → 100644
浏览文件 @ 0ee8b40f
此差异已折叠。
src/connector/odbc/src/base.h 0 → 100644
浏览文件 @ 0ee8b40f
/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _base_h_
#define _base_h_
#include "todbc_buf.h"
#include "todbc_iconv.h"
#include "todbc_log.h"
#include "taos.h"
#include "taoserror.h"
#include <sql.h>
#include <sqlext.h>
typedef struct errs_s errs_t;
typedef struct env_s env_t;
typedef struct conn_s conn_t;
typedef struct stmt_s stmt_t;
typedef struct param_s param_t;
typedef struct field_s field_t;
typedef struct rs_s rs_t;
typedef struct col_s col_t;
#define GET_REF(obj) atomic_load_64(&obj->refcount)
#define INC_REF(obj) atomic_add_fetch_64(&obj->refcount, 1)
#define DEC_REF(obj) atomic_sub_fetch_64(&obj->refcount, 1)
// public
#ifdef __GNUC__
__attribute__((format(printf, 6, 7)))
#endif
SQLRETURN errs_append(errs_t *errs, const char sql_state[6], const char *file, int line, const char *func, const char *fmt, ...);
int errs_count(errs_t *errs);
// 0/-1: ok/no-error
int errs_fetch(errs_t *errs, int idx, const char **sql_state, const char **err_str);
void errs_clear(SQLSMALLINT HandleType, SQLHANDLE InputHandle);
// err: if <>0, will generate strerror
#define SET_ERR(errs, sql_state, fmt, ...) \
errs_append(errs, sql_state, __FILE__, __LINE__, __func__, "%s" fmt "", "", ##__VA_ARGS__)
#define SET_OOM(errs, fmt, ...) SET_ERR(errs, "TD001", "OOM:" fmt, ##__VA_ARGS__)
#define SET_NIY(errs, fmt, ...) SET_ERR(errs, "TDC00", "NIY:" fmt, ##__VA_ARGS__)
#define SET_GENERAL(errs, fmt, ...) SET_ERR(errs, "TD000", "GEN:" fmt, ##__VA_ARGS__)
// public
errs_t* env_get_errs(env_t *env);
void env_clr_errs(env_t *env);
void env_inc_ref(env_t *env);
void env_dec_ref(env_t *env);
// public
errs_t* conn_get_errs(conn_t *conn);
void conn_clr_errs(conn_t *conn);
// public
errs_t* stmt_get_errs(stmt_t *stmt);
void stmt_clr_errs(stmt_t *stmt);
#endif // _base_h_
src/connector/odbc/src/base/CMakeLists.txt 0 → 100644
浏览文件 @ 0ee8b40f
CMAKE_MINIMUM_REQUIRED(VERSION 2.8)
PROJECT(TDengine)
aux_source_directory(. SRC)
add_library(todbc_base STATIC ${SRC})
if (TD_DARWIN)
target_include_directories(todbc_base PRIVATE /usr/local/include)
endif ()
src/connector/odbc/src/base/conn.c 0 → 100644
浏览文件 @ 0ee8b40f
/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "conn.h"
#include "env.h"
#include "../todbc_tls.h"
static void init_encodes(conn_t *conn, env_t *env) {
OILE(conn, "");
OILE(env, "");
const char *enc_charset = env->enc_charset;
snprintf(conn->enc_src, sizeof(conn->enc_src), "%s", UTF8_ENC); // compile-time constant
snprintf(conn->enc_wchar, sizeof(conn->enc_wchar), "%s", UTF16_ENC); // compile-time constant
snprintf(conn->enc_char, sizeof(conn->enc_char), "%s", enc_charset); // runtime default
snprintf(conn->enc_db, sizeof(conn->enc_db), "%s", enc_charset); // runtime default
snprintf(conn->enc_locale, sizeof(conn->enc_locale), "%s", enc_charset); // runtime default
OD("enc_src:[%s]; enc_wchar:[%s]; enc_char:[%s]; enc_db:[%s]; enc_locale:[%s]",
conn->enc_src, conn->enc_wchar, conn->enc_char, conn->enc_db, conn->enc_locale);
}
static int conn_init(conn_t *conn, env_t *env) {
OILE(conn, "");
OILE(env, "");
errs_t *errs = &env->errs;
OILE(conn->env==NULL, "");
int r = errs_init(&conn->errs);
if (r) return -1;
init_encodes(conn, env);
if (SQL_SUCCESS!=conn_check_charset(conn, errs)) {
return -1;
}
conn->env = env;
env_inc_ref(env);
return 0;
};
static void conn_release(conn_t *conn) {
if (!conn) return;
env_t *env = conn->env;
if (!env) return;
conn->env = NULL;
env_dec_ref(env);
}
conn_t* conn_new(env_t *env) {
conn_t *conn = (conn_t*)calloc(1, sizeof(*conn));
if (!conn) return NULL;
if (conn_init(conn, env)) {
OILE(conn->env==NULL, "");
free(conn);
return NULL;
}
return conn;
}
void conn_free(conn_t *conn) {
if (!conn) return;
// clean ext stuff
if (conn->ext.free_conn) {
conn->ext.free_conn(conn);
}
// clean conn stuffs
conn_release(conn);
free(conn);
}
static SQLRETURN do_check_charset(errs_t *errs, const char *enc_charset, todbc_enc_t *enc) {
*enc = todbc_tls_iconv_enc(enc_charset);
if (enc->enc[0]=='\0') {
if (errs) {
SET_GENERAL(errs, "unknown charset [%s]", enc_charset);
}
return SQL_ERROR;
}
return SQL_SUCCESS;
}
SQLRETURN conn_check_charset(conn_t *conn, errs_t *errs) {
OILE(conn, "");
todbc_enc_t enc;
SQLRETURN r;
r = do_check_charset(errs, conn->enc_char, &enc);
if (r!=SQL_SUCCESS) return r;
r = do_check_charset(errs, conn->enc_db, &enc);
if (r!=SQL_SUCCESS) return r;
r = do_check_charset(errs, conn->enc_locale, &enc);
if (r!=SQL_SUCCESS) return r;
r = do_check_charset(errs, conn->enc_src, &enc);
if (r!=SQL_SUCCESS) return r;
r = do_check_charset(errs, conn->enc_wchar, &enc);
if (r!=SQL_SUCCESS) return r;
if (enc.variable_char_size!=-1) {
OE("does not support [%s] for WCHAR", conn->enc_wchar);
if (errs) {
SET_GENERAL(errs, "does not support [%s] for WCHAR", conn->enc_wchar);
}
return SQL_ERROR;
}
if (enc.char_size<=0) {
if (errs) {
SET_GENERAL(errs, "unknown [%s] for WCHAR", conn->enc_wchar);
}
return SQL_ERROR;
}
conn->wchar_size = (size_t)enc.char_size;
return SQL_SUCCESS;
}
int conn_add_stmt(conn_t *conn, stmt_t *stmt) {
OILE(conn, "");
OILE(stmt, "");
OILE(stmt->owner==NULL, "");
OILE(stmt->next==NULL, "");
OILE(stmt->prev==NULL, "");
OILE(conn->ext.init_stmt, "");
if (conn->ext.init_stmt(stmt)) {
return -1;
}
stmts_t *owner = &conn->stmts;
stmt->owner = owner;
stmt->prev = owner->tail;
if (owner->tail) owner->tail->next = stmt;
else owner->head = stmt;
owner->tail = stmt;
++owner->count;
owner->conn = conn;
return 0;
}
void conn_del_stmt(conn_t *conn, stmt_t *stmt) {
OILE(conn, "");
OILE(stmt, "");
OILE(stmt->owner, "");
OILE(stmt->owner==&conn->stmts, "");
OILE(stmt->owner->conn==conn, "");
stmts_t *owner = stmt->owner;
stmt_t *next = stmt->next;
stmt_t *prev = stmt->prev;
if (next) next->prev = prev;
else owner->tail = prev;
if (prev) prev->next = next;
else owner->head = next;
--owner->count;
stmt->next = NULL;
stmt->prev = NULL;
stmt->owner = NULL;
}
SQLRETURN conn_connect(conn_t *conn) {
OILE(conn, "");
OILE(conn->ext.connect, "");
return conn->ext.connect(conn);
}
void conn_disconnect(conn_t *conn) {
OILE(conn, "");
OILE(conn->ext.disconnect, "");
conn->ext.disconnect(conn);
}
// public
errs_t* conn_get_errs(conn_t *conn) {
OILE(conn, "");
return &conn->errs;
}
void conn_clr_errs(conn_t *conn) {
if (!conn) return;
errs_reclaim(&conn->errs);
}
src/connector/odbc/src/base/conn.h 0 → 100644
浏览文件 @ 0ee8b40f
/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _conn_h_
#define _conn_h_
#include "../base.h"
#include "stmt.h"
#include "../todbc_flex.h"
typedef struct conn_ext_s conn_ext_t;
struct conn_ext_s {
void *ext;
void (*free_conn)(conn_t *conn);
int (*init_stmt)(stmt_t *stmt);
SQLRETURN (*connect)(conn_t *conn);
void (*disconnect)(conn_t *conn);
};
struct conn_s {
env_t *env;
char enc_src[64]; // c source file encoding
char enc_char[64]; // SQL_CHAR encoding
char enc_wchar[64]; // SQL_WCHAR encoding
char enc_db[64]; // taos client encoding
// use this for system i/o, such as reading from stdin, writing to stdout/stderr
char enc_locale[64]; // default: current localee
size_t wchar_size; // shall be fix-length
conn_val_t val;
stmts_t stmts;
errs_t errs;
conn_ext_t ext;
unsigned int connect:2;
};
#define CONN_SET_CONNECTING(conn) (conn->connect=0x01)
#define CONN_SET_CONNECTED(conn) (conn->connect=0x02)
#define CONN_SET_NORM(conn) (conn->connect=0x00)
#define CONN_IS_CONNECTING(conn) (conn->connect==0x01)
#define CONN_IS_CONNECTED(conn) (conn->connect==0x02)
#define CONN_IS_NORM(conn) (conn->connect==0x00)
conn_t* conn_new(env_t *env);
void conn_free(conn_t *conn);
SQLRETURN conn_check_charset(conn_t *conn, errs_t *errs);
int conn_add_stmt(conn_t *conn, stmt_t *stmt);
void conn_del_stmt(conn_t *conn, stmt_t *stmt);
SQLRETURN conn_connect(conn_t *conn);
void conn_disconnect(conn_t *conn);
#endif // _conn_h_
src/connector/odbc/src/base/env.c 0 → 100644
浏览文件 @ 0ee8b40f
/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "env.h"
#include <pthread.h>
static pthread_once_t init_once = PTHREAD_ONCE_INIT;
static char default_charset[64] = {0};
static void init_routine(void) {
OD("compiled with ODBCVER:[0x%04x]", ODBCVER);
const char *charset = NULL;
setlocale(LC_ALL, "");
const char *locale = setlocale(LC_CTYPE, NULL);
if (locale) {
const char *dot = strrchr(locale, '.');
if (dot) charset = dot + 1;
}
if (!charset) {
#ifdef _MSC_VER
charset = "CP936";
#else
charset = "UTF-8";
#endif
OD("failed to find original locale, fall back to [%s]", charset);
} else {
#ifdef _MSC_VER
char buf[64];
snprintf(buf, sizeof(buf), "CP%s", charset);
charset = buf;
#endif
OD("system default charset: [%s]", charset);
}
snprintf(default_charset, sizeof(default_charset), "%s", charset);
}
static void env_release(env_t *env) {
if (!env) return;
OILE(env->refcount==0, "");
env_clr_errs(env);
}
int env_init(env_t *env) {
OILE(env, "");
OILE(env->refcount==0, "");
pthread_once(&init_once, init_routine);
int r = errs_init(&env->errs);
if (r) return -1;
snprintf(env->enc_charset, sizeof(env->enc_charset), "%s", default_charset);
env->odbc_ver = SQL_OV_ODBC3;
env->refcount = 1;
return 0;
}
// public
errs_t* env_get_errs(env_t *env) {
OILE(env, "");
return &env->errs;
}
void env_clr_errs(env_t *env) {
if (!env) return;
errs_reclaim(&env->errs);
}
void env_inc_ref(env_t *env) {
OILE(env, "");
int64_t rc = INC_REF(env);
OILE(rc>=2, "");
}
void env_dec_ref(env_t *env) {
OILE(env, "");
int64_t rc = DEC_REF(env);
if (rc>0) return;
OILE(rc==0, "");
env_release(env);
free(env);
}
env_t* env_create(void) {
env_t *env = (env_t*)calloc(1, sizeof(*env));
if (!env) return NULL;
if (env_init(env)) {
free(env);
return NULL;
}
return env;
}
src/connector/odbc/src/base/env.h 0 → 100644
浏览文件 @ 0ee8b40f
/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _env_h_
#define _env_h_
#include "../base.h"
#include "err.h"
struct env_s {
int64_t refcount;
char enc_charset[64]; // default charset from system locale
int32_t odbc_ver; // default SQL_OV_ODBC3
errs_t errs;
void (*env_free)(env_t* env);
};
int env_init(env_t *env);
env_t* env_create(void);
#endif // _env_h_
src/connector/odbc/src/base/err.c 0 → 100644
浏览文件 @ 0ee8b40f
/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "err.h"
#include "env.h"
#include "conn.h"
#include "stmt.h"
struct err_s {
char sql_state[6];
char *err_str; // no ownership
};
static void errs_clr(errs_t *errs) {
if (!errs) return;
errs->count = 0;
errs->errs = NULL;
}
int errs_init(errs_t *errs) {
OILE(errs && errs->cache==NULL, "");
OILE(errs->count==0 && errs->errs==NULL, "");
errs->cache = todbc_buf_create();
return errs->cache ? 0 : -1;
}
void errs_reclaim(errs_t *errs) {
if (!errs) return;
if (!errs->cache) return;
errs_clr(errs);
todbc_buf_reclaim(errs->cache);
}
void errs_release(errs_t *errs) {
if (!errs) return;
if (!errs->cache) return;
errs_clr(errs);
todbc_buf_free(errs->cache);
errs->cache = NULL;
}
// public
#ifdef __GNUC__
__attribute__((format(printf, 6, 7)))
#endif
SQLRETURN errs_append(errs_t *errs, const char sql_state[6], const char *file, int line, const char *func, const char *fmt, ...)
{
OILE(errs, "");
OILE(errs->cache, "");
todbc_buf_t *cache = errs->cache;
const char *name = basename((char*)file);
char *buf = NULL;
size_t blen = 0;
while (1) {
char *p = buf;
size_t bytes = blen;
int count = 0;
int n = 0;
va_list ap;
va_start(ap, fmt);
if (bytes<0) bytes = 0;
n = vsnprintf(p, bytes, fmt, ap);
va_end(ap);
OILE(n>=0, "");
count += n;
if (p) p += n;
if (bytes) bytes -= (size_t)n;
if (bytes<0) bytes = 0;
n = snprintf(p, bytes, "@%s[%d]%s()\n", name, line, func);
OILE(n>=0, "");
count += n;
if (p) break;
buf = todbc_buf_alloc(cache, (size_t)count + 1);
if (!buf) return SQL_ERROR;
blen = (size_t)count;
}
size_t bytes = (size_t)(errs->count + 1) * sizeof(err_t);
err_t *es = (err_t*)todbc_buf_realloc(cache, errs->errs, bytes);
if (!es) return SQL_ERROR;
errs->errs = es;
errs->count += 1;
err_t *err = errs->errs + errs->count - 1;
snprintf(err->sql_state, sizeof(err->sql_state), "%s", sql_state);
err->err_str = buf;
return SQL_SUCCESS;
}
int errs_count(errs_t *errs) {
OILE(errs, "");
OILE(errs->cache, "");
return errs->count;
}
// 0/-1: ok/no-error
int errs_fetch(errs_t *errs, int idx, const char **sql_state, const char **err_str) {
OILE(errs, "");
OILE(errs->cache, "");
if (errs->count<=0) return -1;
if (idx<0 || idx>=errs->count) return -1;
err_t *err = errs->errs + idx;
if (sql_state) *sql_state = err->sql_state;
if (err_str) *err_str = err->err_str;
return 0;
}
void errs_clear(SQLSMALLINT HandleType, SQLHANDLE InputHandle) {
errs_t *errs = NULL;
if (InputHandle==NULL) return;
switch (HandleType)
{
case SQL_HANDLE_ENV:
{
env_t *env = (env_t*)InputHandle;
errs = &env->errs;
} break;
case SQL_HANDLE_DBC:
{
conn_t *conn = (conn_t*)InputHandle;
errs = &conn->errs;
} break;
case SQL_HANDLE_STMT:
{
stmt_t *stmt = (stmt_t*)InputHandle;
errs = &stmt->errs;
} break;
default:
{
ONIY(0, "");
} break;
}
if (!errs) return;
errs_reclaim(errs);
}
src/connector/odbc/src/base/err.h 0 → 100644
浏览文件 @ 0ee8b40f
/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _err_h_
#define _err_h_
#include "../base.h"
typedef struct err_s err_t;
struct errs_s {
todbc_buf_t *cache;
int count;
err_t *errs;
};
int errs_init(errs_t *errs);
void errs_reclaim(errs_t *errs);
void errs_release(errs_t *errs);
#endif // _err_h_
src/connector/odbc/src/base/field.c 0 → 100644
浏览文件 @ 0ee8b40f
/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "field.h"
static void fieldset_clr_fields(fieldset_t *fieldset) {
if (!fieldset) return;
fieldset->fields = NULL;
fieldset->n_fields = 0;
}
static void fieldset_clr_bindings(fieldset_t *fieldset) {
if (!fieldset) return;
fieldset->bindings = NULL;
fieldset->n_bindings = 0;
}
void fieldset_init_fields(fieldset_t *fieldset) {
if (!fieldset) return;
if (fieldset->fields_cache) return;
fieldset->fields_cache = todbc_buf_create();
}
void fieldset_init_bindings(fieldset_t *fieldset) {
if (!fieldset) return;
if (fieldset->bindings_cache) return;
fieldset->bindings_cache = todbc_buf_create();
}
void fieldset_reclaim_fields(fieldset_t *fieldset) {
if (!fieldset) return;
if (!fieldset->fields_cache) return;
todbc_buf_reclaim(fieldset->fields_cache);
fieldset_clr_fields(fieldset);
}
void fieldset_reclaim_bindings(fieldset_t *fieldset) {
if (!fieldset) return;
if (!fieldset->bindings_cache) return;
todbc_buf_reclaim(fieldset->bindings_cache);
fieldset_clr_bindings(fieldset);
}
void fieldset_release(fieldset_t *fieldset) {
if (!fieldset) return;
fieldset_reclaim_fields(fieldset);
fieldset_reclaim_bindings(fieldset);
if (fieldset->fields_cache) {
todbc_buf_free(fieldset->fields_cache);
fieldset->fields_cache = NULL;
}
if (fieldset->bindings_cache) {
todbc_buf_free(fieldset->bindings_cache);
fieldset->bindings_cache = NULL;
}
}
src/connector/odbc/src/base/field.h 0 → 100644
浏览文件 @ 0ee8b40f
/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _field_h_
#define _field_h_
#include "../base.h"
typedef struct fieldset_s fieldset_t;
typedef struct col_binding_s col_binding_t;
typedef struct field_arg_s field_arg_t;
// SQLDescribeCol
struct field_arg_s {
SQLUSMALLINT ColumnNumber;
SQLCHAR *ColumnName;
SQLSMALLINT BufferLength;
SQLSMALLINT *NameLength;
SQLSMALLINT *DataType; // sql data type
SQLULEN *ColumnSize;
SQLSMALLINT *DecimalDigits;
SQLSMALLINT *Nullable;
};
struct field_s {
SQLUSMALLINT ColumnNumber;
SQLCHAR ColumnName[64]; // hard-coded
SQLSMALLINT DataType; // sql data type
SQLULEN ColumnSize;
SQLSMALLINT DecimalDigits;
SQLSMALLINT Nullable;
};
// SQLBindCol; SQLGetData
struct col_binding_s {
SQLUSMALLINT ColumnNumber;
SQLSMALLINT TargetType; // sql c data type
SQLPOINTER TargetValue;
SQLLEN BufferLength;
SQLLEN *StrLen_or_IndPtr;
};
struct fieldset_s {
todbc_buf_t *fields_cache;
field_t *fields;
int n_fields;
todbc_buf_t *bindings_cache;
col_binding_t *bindings;
int n_bindings;
};
void fieldset_init_fields(fieldset_t *fieldset);
void fieldset_init_bindings(fieldset_t *fieldset);
void fieldset_reclaim_fields(fieldset_t *fieldset);
void fieldset_reclaim_bindings(fieldset_t *fieldset);
void fieldset_release(fieldset_t *fields);
#endif // _field_h_
src/connector/odbc/src/base/null_conn.c 0 → 100644
浏览文件 @ 0ee8b40f
/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "null_conn.h"
#include "env.h"
// null_conn
static void null_conn_free(conn_t *conn) {
OILE(conn, "");
null_conn_t *null_conn = (null_conn_t*)conn->ext.ext;
OILE(null_conn, "");
conn->ext.ext = NULL;
conn->ext.free_conn = NULL;
free(null_conn);
}
static SQLRETURN null_conn_connect(conn_t *conn) {
OILE(conn, "");
null_conn_t *null_conn = (null_conn_t*)conn->ext.ext;
OILE(null_conn && null_conn->conn==conn, "");
OILE(CONN_IS_NORM(conn), "");
return SQL_SUCCESS;
}
static void null_conn_disconnect(conn_t *conn) {
OILE(conn, "");
OILE(CONN_IS_CONNECTED(conn), "");
}
static void null_conn_free_stmt(stmt_t *stmt) {
OILE(stmt, "");
OILE(stmt->owner, "");
}
static SQLRETURN null_conn_exec_direct(stmt_t *stmt) {
OILE(stmt, "");
OILE(stmt->owner, "");
OILE(!STMT_IS_EXECUTED(stmt), "");
STMT_SET_EXECUTED(stmt);
return SQL_SUCCESS;
}
static SQLRETURN null_conn_prepare(stmt_t *stmt) {
OILE(stmt, "");
OILE(stmt->owner, "");
return SQL_SUCCESS;
}
static SQLRETURN null_conn_proc_param(stmt_t *stmt) {
OILE(stmt, "");
OILE(stmt->owner, "");
return SQL_SUCCESS;
}
static SQLRETURN null_conn_execute(stmt_t *stmt) {
OILE(stmt, "");
OILE(stmt->owner, "");
OILE(!STMT_IS_EXECUTED(stmt), "");
STMT_SET_EXECUTED(stmt);
return SQL_SUCCESS;
}
static int null_conn_init_stmt(stmt_t *stmt) {
OILE(stmt, "");
OILE(stmt->ext.ext==NULL, "");
OILE(stmt->ext.free_stmt==NULL, "");
OILE(stmt->owner==NULL, "");
stmt->ext.ext = NULL;
stmt->ext.free_stmt = null_conn_free_stmt;
stmt->ext.exec_direct = null_conn_exec_direct;
stmt->ext.prepare = null_conn_prepare;
stmt->ext.proc_param = null_conn_proc_param;
stmt->ext.execute = null_conn_execute;
return 0;
}
int conn_init_null_conn(conn_t *conn) {
OILE(conn, "");
OILE(conn->ext.ext==NULL, "");
OILE(conn->ext.free_conn==NULL, "");
null_conn_t *null_conn = (null_conn_t*)calloc(1, sizeof(*null_conn));
if (!null_conn) return -1;
null_conn->conn = conn;
conn->ext.ext = null_conn;
conn->ext.free_conn = null_conn_free;
conn->ext.connect = null_conn_connect;
conn->ext.disconnect = null_conn_disconnect;
conn->ext.init_stmt = null_conn_init_stmt;
return 0;
}
src/connector/odbc/src/base/null_conn.h 0 → 100644
浏览文件 @ 0ee8b40f
/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _null_conn_h_
#define _null_conn_h_
#include "../base.h"
#include "conn.h"
typedef struct null_conn_s null_conn_t;
struct null_conn_s {
conn_t *conn;
};
int conn_init_null_conn(conn_t *conn);
#endif // _null_conn_h_
src/connector/odbc/src/base/param.c 0 → 100644
浏览文件 @ 0ee8b40f
/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "param.h"
static void paramset_clr_params(paramset_t *paramset) {
if (!paramset) return;
paramset->params = NULL;
paramset->n_params = 0;
paramset->i_row = 0;
paramset->i_col = 0;
}
static void paramset_clr_bindings(paramset_t *paramset) {
if (!paramset) return;
paramset->bindings = NULL;
paramset->n_bindings = 0;
}
void paramset_reclaim_params(paramset_t *paramset) {
if (!paramset) return;
if (!paramset->params_cache) return;
todbc_buf_reclaim(paramset->params_cache);
paramset_clr_params(paramset);
}
void paramset_reclaim_bindings(paramset_t *paramset) {
if (!paramset) return;
if (!paramset->bindings_cache) return;
todbc_buf_reclaim(paramset->bindings_cache);
paramset_clr_bindings(paramset);
}
void paramset_init_params_cache(paramset_t *paramset) {
if (!paramset) return;
if (paramset->params_cache) return;
OILE(paramset->params==NULL, "");
OILE(paramset->n_params==0, "");
paramset->params_cache = todbc_buf_create();
}
void paramset_init_bindings_cache(paramset_t *paramset) {
if (!paramset) return;
if (paramset->bindings_cache) return;
OILE(paramset->bindings==NULL, "");
OILE(paramset->n_bindings==0, "");
paramset->bindings_cache = todbc_buf_create();
}
void paramset_release(paramset_t *paramset) {
if (!paramset) return;
paramset_reclaim_params(paramset);
paramset_reclaim_bindings(paramset);
if (paramset->params_cache) {
todbc_buf_free(paramset->params_cache);
paramset->params_cache = NULL;
}
if (paramset->bindings_cache) {
todbc_buf_free(paramset->bindings_cache);
paramset->bindings_cache = NULL;
}
}
src/connector/odbc/src/base/param.h 0 → 100644
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/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _param_h_
#define _param_h_
#include "../base.h"
typedef struct paramset_s paramset_t;
typedef struct param_binding_s param_binding_t;
typedef struct param_val_s param_val_t;
// SQLDescribeParam
struct param_s {
SQLUSMALLINT ParameterNumber;
SQLSMALLINT DataType; // sql data type
SQLULEN ParameterSize;
SQLSMALLINT DecimalDigits;
SQLSMALLINT Nullable;
};
// SQLBindParameter
struct param_binding_s {
SQLUSMALLINT ParameterNumber;
SQLSMALLINT InputOutputType;
SQLSMALLINT ValueType; // sql c data type
SQLSMALLINT ParameterType; // sql data type
SQLULEN ColumnSize;
SQLSMALLINT DecimalDigits;
SQLPOINTER ParameterValuePtr;
SQLLEN BufferLength;
SQLLEN *StrLen_or_IndPtr;
};
struct paramset_s {
todbc_buf_t *params_cache;
param_t *params;
int n_params;
todbc_buf_t *bindings_cache;
param_binding_t *bindings;
int n_bindings;
int i_row;
int i_col;
};
void paramset_reclaim_params(paramset_t *paramset);
void paramset_reclaim_bindings(paramset_t *paramset);
void paramset_init_params_cache(paramset_t *paramset);
void paramset_init_bindings_cache(paramset_t *paramset);
void paramset_release(paramset_t *paramset);
#endif // _param_h_
src/connector/odbc/src/base/rs.c 0 → 100644
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/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "rs.h"
src/connector/odbc/src/base/rs.h 0 → 100644
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/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _rs_h_
#define _rs_h_
#include "../base.h"
struct rs_s {
int affected_rows;
};
#endif // _rs_h_
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src/connector/odbc/src/base/stmt.h 0 → 100644
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/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _stmt_h_
#define _stmt_h_
#include "../base.h"
#include "err.h"
#include "field.h"
#include "param.h"
#include "rs.h"
typedef struct descs_s descs_t;
typedef struct stmts_s stmts_t;
typedef struct stmt_ext_s stmt_ext_t;
typedef struct stmt_attr_s stmt_attr_t;
typedef struct sql_s sql_t;
struct descs_s {
void *app_row; // SQL_ATTR_APP_ROW_DESC
void *app_param; // SQL_ATTR_APP_PARAM_DESC
void *imp_row; // SQL_ATTR_IMP_ROW_DESC
void *imp_param; // SQL_ATTR_IMP_PARAM_DESC
};
struct stmt_ext_s {
void *ext;
void (*free_stmt)(stmt_t *stmt);
void (*clear_params)(stmt_t *stmt);
void (*clear_param_vals)(stmt_t *stmt);
SQLRETURN (*get_param)(stmt_t *stmt, param_t *arg);
SQLRETURN (*set_param_conv)(stmt_t *stmt, int idx);
SQLRETURN (*exec_direct)(stmt_t *stmt);
SQLRETURN (*prepare)(stmt_t *stmt);
SQLRETURN (*proc_param)(stmt_t *stmt);
SQLRETURN (*param_row_processed)(stmt_t *stmt);
SQLRETURN (*execute)(stmt_t *stmt);
SQLRETURN (*get_affected_rows)(stmt_t *stmt, SQLLEN *RowCount);
SQLRETURN (*get_fields_count)(stmt_t *stmt, SQLSMALLINT *ColumnCount);
SQLRETURN (*get_field)(stmt_t *stmt, field_arg_t *arg);
SQLRETURN (*fetch)(stmt_t *stmt);
SQLRETURN (*get_data)(stmt_t *stmt, col_binding_t *col);
void (*close_rs)(stmt_t *stmt);
};
struct stmt_attr_s {
// SQL_ATTR_PARAM_BIND_TYPE: SQL_PARAM_BIND_BY_COLUMN or row size
SQLULEN bind_type; // default: SQL_PARAM_BIND_BY_COLUMN
// SQL_ATTR_PARAM_BIND_OFFSET_PTR
SQLULEN *bind_offset_ptr; // default: NULL
// SQL_ATTR_PARAMSET_SIZE
SQLULEN paramset_size; // default: 0
};
struct sql_s {
todbc_buf_t *cache;
todbc_string_t txt;
};
struct stmt_s {
stmts_t *owner;
stmt_t *next;
stmt_t *prev;
SQLSMALLINT typeinfo;
descs_t descs;
sql_t sql;
stmt_attr_t attr;
paramset_t paramset;
fieldset_t fieldset;
int affected_rows;
rs_t rs;
errs_t errs;
stmt_ext_t ext;
unsigned int prepared:1;
unsigned int execute:2;
unsigned int eof:1;
};
struct stmts_s {
conn_t *conn;
int count;
stmt_t *head;
stmt_t *tail;
};
#define STMT_TYPEINFO(stmt) (stmt->typeinfo!=SQL_UNKNOWN_TYPE)
#define STMT_SET_EXECUTING(stmt) (stmt->execute=0x01)
#define STMT_SET_EXECUTED(stmt) (stmt->execute=0x02)
#define STMT_SET_NORM(stmt) (stmt->execute=0x00)
#define STMT_IS_EXECUTING(stmt) (stmt->execute==0x01)
#define STMT_IS_EXECUTED(stmt) (stmt->execute==0x02)
#define STMT_IS_NORM(stmt) (stmt->execute==0x00)
stmt_t* stmt_new(conn_t *conn);
void stmt_free(stmt_t *stmt);
conn_t* stmt_get_conn(stmt_t *stmt);
void stmt_reclaim_params(stmt_t *stmt);
void stmt_reclaim_param_binds(stmt_t *stmt);
void stmt_reclaim_field_binds(stmt_t *stmt);
void stmt_close_rs(stmt_t *stmt);
void stmt_reset_params(stmt_t *stmt);
SQLRETURN stmt_exec_direct(stmt_t *stmt, todbc_string_t *txt);
SQLRETURN stmt_prepare(stmt_t *stmt, todbc_string_t *txt);
SQLRETURN stmt_bind_param(stmt_t *stmt, param_binding_t *arg);
SQLRETURN stmt_execute(stmt_t *stmt);
SQLRETURN stmt_fetch(stmt_t *stmt);
SQLRETURN stmt_get_data(stmt_t *stmt, col_binding_t *binding);
SQLRETURN stmt_bind_col(stmt_t *stmt, col_binding_t *binding);
#endif // _stmt_h_
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src/connector/odbc/src/base/tsdb_impl.h 0 → 100644
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/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _tsdb_impl_h_
#define _tsdb_impl_h_
#include "../base.h"
#include "conn.h"
#define DEFAULT_SERVER "localhost:6030"
int conn_init_tsdb_conn(conn_t *conn);
#endif // _tsdb_impl_h_
src/connector/odbc/src/col.h 0 → 100644
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/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _col_h_
#define _col_h_
#include "base.h"
struct col_s {
};
#endif // _col_h_
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@echo off
REM install driver
odbcconf /A {INSTALLDRIVER "TAOS|Driver=C:\TDengine\driver\todbc.dll|ConnectFunctions=YYN|DriverODBCVer=03.00|FileUsage=0|SQLLevel=0"}
REM config user dsn
odbcconf /A {CONFIGDSN "TAOS" "DSN=TAOS_DSN"}
src/connector/odbc/src/install.sh
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......@@ -2,6 +2,13 @@
set -u
EXT="so"
[[ `uname` == 'Darwin' ]] && EXT="dylib"
SUDO="sudo"
[[ `uname` == 'Darwin' ]] && SUDO=""
BLD_DIR="$1"
rm -f "${BLD_DIR}/template.ini"
......@@ -10,18 +17,30 @@ rm -f "${BLD_DIR}/template.dsn"
cat > "${BLD_DIR}/template.ini" <<EOF
[TAOS]
Description=taos odbc driver
Driver=${BLD_DIR}/build/lib/libtodbc.so
Driver=${BLD_DIR}/build/lib/libtodbc.${EXT}
EOF
cat > "${BLD_DIR}/template.dsn" <<EOF
[TAOS_DSN]
Description=Connection to TAOS
Driver=TAOS
Server=localhost:6030
// UID=
// PWD=
// Server=localhost:6030
// https://www.npmjs.com/package/odbc
// SQL_C_FLOAT not support yet for node odbc, thus could promote to SQL_DOUBLE
// workaround:
// map.float=SQL_DOUBLE
// pyodbc: https://github.com/mkleehammer/pyodbc
// bigint seems not working properly
// workaround:
// map.bigint=SQL_CHAR
EOF
# better remove first ?
sudo odbcinst -i -d -f "${BLD_DIR}/template.ini" &&
${SUDO} odbcinst -i -d -f "${BLD_DIR}/template.ini" &&
odbcinst -i -s -f "${BLD_DIR}/template.dsn" &&
echo "odbc install done"
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src/connector/odbc/src/todbc.def
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......@@ -3,13 +3,19 @@ SQLAllocEnv
SQLFreeEnv
SQLAllocConnect
SQLFreeConnect
SQLGetEnvAttr
SQLSetEnvAttr
SQLGetConnectAttr
SQLGetConnectOption
SQLGetInfo
SQLConnect
SQLDisconnect
SQLAllocStmt
SQLAllocHandle
SQLFreeHandle
SQLFreeStmt
SQLExecDirect
SQLExecDirectW
;SQLExecDirectW
SQLNumResultCols
SQLRowCount
SQLColAttribute
......@@ -17,14 +23,45 @@ SQLGetData
SQLFetch
SQLPrepare
SQLExecute
SQLGetDiagField
SQLParamData
SQLPutData
;SQLGetDiagField
SQLGetDiagRec
SQLBindParameter
SQLDescribeParam
SQLDriverConnect
SQLSetConnectAttr
SQLDescribeCol
SQLBindCol
SQLNumParams
SQLSetStmtAttr
SQLBindParam
SQLCancel
SQLCancelHandle
SQLCloseCursor
SQLColumns
SQLCopyDesc
SQLDataSources
SQLEndTran
;SQLError
SQLFetchScroll
SQLGetCursorName
SQLGetDescField
SQLGetDescRec
;SQLGetFunctions
SQLGetStmtAttr
SQLGetStmtOption
SQLGetTypeInfo
SQLSetConnectOption
SQLSetCursorName
SQLSetDescField
SQLSetDescRec
SQLSetParam
SQLSetStmtOption
SQLSpecialColumns
SQLStatistics
SQLTables
SQLTransact
ConfigDSN
ConfigTranslator
ConfigDriver
......
src/connector/odbc/src/todbc_buf.c 0 → 100644
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src/connector/odbc/src/todbc_buf.h 0 → 100644
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/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _todbc_buf_h_
#define _todbc_buf_h_
#include <stdint.h>
#include <stddef.h>
// non-thread-safe
typedef struct todbc_buf_s todbc_buf_t;
todbc_buf_t* todbc_buf_create(void);
void todbc_buf_free(todbc_buf_t *buf);
void* todbc_buf_alloc(todbc_buf_t *buf, size_t size);
void* todbc_buf_calloc(todbc_buf_t *buf, size_t count, size_t size);
void* todbc_buf_realloc(todbc_buf_t *buf, void *ptr, size_t size);
char* todbc_buf_strdup(todbc_buf_t *buf, const char *str);
void todbc_buf_reclaim(todbc_buf_t *buf);
void todbc_buf_test_random(size_t iterates, size_t size, int raw);
void todbc_buf_test(size_t iterates, size_t size, int raw);
#endif // _todbc_buf_h_
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src/connector/odbc/src/todbc_flex.h
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......@@ -16,16 +16,40 @@
#ifndef _TODBC_FLEX_H_
#define _TODBC_FLEX_H_
#include <sql.h>
#include <sqlext.h>
// TSDB predefined field types
// TINYINT SMALLINT INT BIGINT FLOAT DOUBLE BOOL TIMESTAMP BINARY NCHAR
typedef struct map_tsdb_type_s map_tsdb_type_t;
struct map_tsdb_type_s {
SQLSMALLINT tsdb_tinyint;
SQLSMALLINT tsdb_smallint;
SQLSMALLINT tsdb_int;
SQLSMALLINT tsdb_bigint;
SQLULEN tsdb_bigint_size;
SQLSMALLINT tsdb_float;
SQLSMALLINT tsdb_double;
SQLSMALLINT tsdb_bool;
SQLSMALLINT tsdb_timestamp;
SQLSMALLINT tsdb_binary;
SQLSMALLINT tsdb_nchar;
};
typedef struct conn_val_s conn_val_t;
struct conn_val_s {
char *key;
char *dsn;
char *uid;
char *pwd;
char *db;
char *server;
char *svr_enc;
char *cli_enc;
char *dsn;
char *uid;
char *pwd;
char *db;
char *server;
char *enc_local;
char *enc_char;
char *enc_wchar;
char *enc_db;
map_tsdb_type_t tsdb_map;
};
......
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src/connector/odbc/src/todbc_list.h 0 → 100644
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src/connector/odbc/src/todbc_log.h
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src/connector/odbc/src/todbc_util.c
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src/connector/odbc/src/todbc_util.h
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src/dnode/src/dnodeVWrite.c
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......@@ -222,7 +222,7 @@ static void *dnodeProcessVWriteQueue(void *wparam) {
dnodeSendRpcVWriteRsp(pVnode, pWrite, pWrite->code);
} else {
if (qtype == TAOS_QTYPE_FWD) {
vnodeConfirmForward(pVnode, pWrite->pHead.version, 0);
vnodeConfirmForward(pVnode, pWrite->pHead.version, 0, pWrite->pHead.msgType != TSDB_MSG_TYPE_SUBMIT);
}
if (pWrite->rspRet.rsp) {
rpcFreeCont(pWrite->rspRet.rsp);
......
src/inc/query.h
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src/inc/taoserror.h
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src/inc/tfs.h
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src/inc/tp.h
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src/inc/tsdb.h
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src/inc/tsync.h
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src/kit/shell/CMakeLists.txt
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src/kit/shell/src/shellEngine.c
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src/kit/taosdemo/insert.json
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src/kit/taosdemo/taosdemo.c
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src/mnode/inc/mnodeVgroup.h
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src/mnode/src/mnodeDb.c
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src/mnode/src/mnodeSdb.c
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src/mnode/src/mnodeTable.c
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src/mnode/src/mnodeVgroup.c
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src/os/inc/osSysinfo.h
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src/os/src/windows/wSysinfo.c
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src/plugins/monitor/src/monMain.c
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src/query/src/qExecutor.c
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src/query/src/queryMain.c
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src/sync/src/syncMain.c
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