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99741286
TDengine
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体验新版 GitCode,发现更多精彩内容 >>
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99741286
编写于
9月 14, 2020
作者:
Z
zyyang
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电子邮件补丁
差异文件
adapt the calcite for customer GLD
上级
21584e30
变更
5
隐藏空白更改
内联
并排
Showing
5 changed file
with
561 addition
and
468 deletion
+561
-468
src/connector/jdbc/pom.xml
src/connector/jdbc/pom.xml
+125
-102
src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBConnection.java
.../jdbc/src/main/java/com/taosdata/jdbc/TSDBConnection.java
+0
-54
src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBDatabaseMetaData.java
...src/main/java/com/taosdata/jdbc/TSDBDatabaseMetaData.java
+3
-3
src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBDriver.java
...ctor/jdbc/src/main/java/com/taosdata/jdbc/TSDBDriver.java
+353
-309
src/connector/jdbc/src/main/java/com/taosdata/jdbc/cases/CalciteTest.java
...bc/src/main/java/com/taosdata/jdbc/cases/CalciteTest.java
+80
-0
未找到文件。
src/connector/jdbc/pom.xml
浏览文件 @
99741286
<project
xmlns=
"http://maven.apache.org/POM/4.0.0"
xmlns:xsi=
"http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation=
"http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
>
<modelVersion>
4.0.0
</modelVersion>
<groupId>
com.taosdata.jdbc
</groupId>
<artifactId>
taos-jdbcdriver
</artifactId>
<version>
2.0.0
</version>
<packaging>
jar
</packaging>
<name>
JDBCDriver
</name>
<url>
https://github.com/taosdata/TDengine/tree/master/src/connector/jdbc
</url>
<description>
TDengine JDBC Driver
</description>
<licenses>
<license>
<name>
GNU AFFERO GENERAL PUBLIC LICENSE Version 3
</name>
<url>
https://github.com/taosdata/TDengine/blob/master/LICENSE
</url>
<distribution>
repo
</distribution>
</license>
</licenses>
<scm>
<connection>
scm:git:git://github.com/taosdata/TDengine.git
</connection>
<developerConnection>
scm:git:git@github.com:taosdata/TDengine.git
</developerConnection>
<modelVersion>
4.0.0
</modelVersion>
<groupId>
com.taosdata.jdbc
</groupId>
<artifactId>
taos-jdbcdriver
</artifactId>
<version>
2.0.0
</version>
<packaging>
jar
</packaging>
<name>
JDBCDriver
</name>
<url>
https://github.com/taosdata/TDengine/tree/master/src/connector/jdbc
</url>
<tag>
HEAD
</tag>
</scm>
<developers>
<developer>
<name>
taosdata
</name>
<email>
support@taosdata.com
</email>
<organization>
https://www.taosdata.com/
</organization>
<organizationUrl>
https://www.taosdata.com/
</organizationUrl>
</developer>
</developers>
<properties>
<project.build.sourceEncoding>
UTF-8
</project.build.sourceEncoding>
<java.version>
1.8
</java.version>
<maven-compiler-plugin.version>
3.6.0
</maven-compiler-plugin.version>
<commons-logging.version>
1.1.2
</commons-logging.version>
<commons-lang3.version>
3.5
</commons-lang3.version>
</properties>
<dependencies>
<dependency>
<groupId>
commons-logging
</groupId>
<artifactId>
commons-logging
</artifactId>
<version>
${commons-logging.version}
</version>
<exclusions>
<exclusion>
<groupId>
*
</groupId>
<artifactId>
*
</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>
org.apache.commons
</groupId>
<artifactId>
commons-lang3
</artifactId>
<version>
${commons-lang3.version}
</version>
</dependency>
<dependency>
<groupId>
junit
</groupId>
<artifactId>
junit
</artifactId>
<version>
4.13
</version>
<scope>
test
</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>
org.apache.maven.plugins
</groupId>
<artifactId>
maven-assembly-plugin
</artifactId>
<version>
3.0.0
</version>
<configuration>
<descriptors>
<descriptor>
src/main/assembly/assembly-jar.xml
</descriptor>
</descriptors>
</configuration>
<executions>
<execution>
<id>
make-assembly
</id>
<phase>
package
</phase>
<goals>
<goal>
single
</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>
org.apache.maven.plugins
</groupId>
<artifactId>
maven-compiler-plugin
</artifactId>
<version>
${maven-compiler-plugin.version}
</version>
<configuration>
<encoding>
UTF-8
</encoding>
<source>
${java.version}
</source>
<target>
${java.version}
</target>
<debug>
true
</debug>
<showDeprecation>
true
</showDeprecation>
</configuration>
</plugin>
<plugin>
<groupId>
org.apache.maven.plugins
</groupId>
<artifactId>
maven-surefire-plugin
</artifactId>
<version>
2.12.4
</version>
<configuration>
<testFailureIgnore>
true
</testFailureIgnore>
</configuration>
</plugin>
</plugins>
</build>
<description>
TDengine JDBC Driver
</description>
<licenses>
<license>
<name>
GNU AFFERO GENERAL PUBLIC LICENSE Version 3
</name>
<url>
https://github.com/taosdata/TDengine/blob/master/LICENSE
</url>
<distribution>
repo
</distribution>
</license>
</licenses>
<scm>
<connection>
scm:git:git://github.com/taosdata/TDengine.git
</connection>
<developerConnection>
scm:git:git@github.com:taosdata/TDengine.git
</developerConnection>
<url>
https://github.com/taosdata/TDengine/tree/master/src/connector/jdbc
</url>
<tag>
HEAD
</tag>
</scm>
<developers>
<developer>
<name>
taosdata
</name>
<email>
support@taosdata.com
</email>
<organization>
https://www.taosdata.com/
</organization>
<organizationUrl>
https://www.taosdata.com/
</organizationUrl>
</developer>
</developers>
<properties>
<project.build.sourceEncoding>
UTF-8
</project.build.sourceEncoding>
<java.version>
1.8
</java.version>
<maven-compiler-plugin.version>
3.6.0
</maven-compiler-plugin.version>
<commons-logging.version>
1.1.2
</commons-logging.version>
<commons-lang3.version>
3.5
</commons-lang3.version>
</properties>
<dependencies>
<dependency>
<groupId>
commons-logging
</groupId>
<artifactId>
commons-logging
</artifactId>
<version>
${commons-logging.version}
</version>
<exclusions>
<exclusion>
<groupId>
*
</groupId>
<artifactId>
*
</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>
org.apache.commons
</groupId>
<artifactId>
commons-lang3
</artifactId>
<version>
${commons-lang3.version}
</version>
</dependency>
<dependency>
<groupId>
junit
</groupId>
<artifactId>
junit
</artifactId>
<version>
4.13
</version>
<scope>
test
</scope>
</dependency>
<!-- calcite -->
<dependency>
<groupId>
org.apache.calcite
</groupId>
<artifactId>
calcite-core
</artifactId>
<version>
1.23.0
</version>
</dependency>
<dependency>
<groupId>
org.apache.commons
</groupId>
<artifactId>
commons-dbcp2
</artifactId>
<version>
2.7.0
</version>
</dependency>
<dependency>
<groupId>
org.apache.calcite.avatica
</groupId>
<artifactId>
avatica-core
</artifactId>
<version>
1.17.0
</version>
</dependency>
<dependency>
<groupId>
mysql
</groupId>
<artifactId>
mysql-connector-java
</artifactId>
<version>
5.1.47
</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>
org.apache.maven.plugins
</groupId>
<artifactId>
maven-assembly-plugin
</artifactId>
<version>
3.0.0
</version>
<configuration>
<descriptors>
<descriptor>
src/main/assembly/assembly-jar.xml
</descriptor>
</descriptors>
</configuration>
<executions>
<execution>
<id>
make-assembly
</id>
<phase>
package
</phase>
<goals>
<goal>
single
</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>
org.apache.maven.plugins
</groupId>
<artifactId>
maven-compiler-plugin
</artifactId>
<version>
${maven-compiler-plugin.version}
</version>
<configuration>
<encoding>
UTF-8
</encoding>
<source>
${java.version}
</source>
<target>
${java.version}
</target>
<debug>
true
</debug>
<showDeprecation>
true
</showDeprecation>
</configuration>
</plugin>
<plugin>
<groupId>
org.apache.maven.plugins
</groupId>
<artifactId>
maven-surefire-plugin
</artifactId>
<version>
2.12.4
</version>
<configuration>
<testFailureIgnore>
true
</testFailureIgnore>
</configuration>
</plugin>
</plugins>
</build>
</project>
src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBConnection.java
浏览文件 @
99741286
...
...
@@ -53,66 +53,12 @@ public class TSDBConnection implements Connection {
public
TSDBConnection
(
Properties
info
,
TSDBDatabaseMetaData
meta
)
throws
SQLException
{
this
.
dbMetaData
=
meta
;
//load taos.cfg start
File
cfgDir
=
loadConfigDir
(
info
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_CONFIG_DIR
));
File
cfgFile
=
cfgDir
.
listFiles
((
dir
,
name
)
->
"taos.cfg"
.
equalsIgnoreCase
(
name
))[
0
];
List
<
String
>
endpoints
=
loadConfigEndpoints
(
cfgFile
);
if
(!
endpoints
.
isEmpty
())
{
info
.
setProperty
(
TSDBDriver
.
PROPERTY_KEY_HOST
,
endpoints
.
get
(
0
).
split
(
":"
)[
0
]);
info
.
setProperty
(
TSDBDriver
.
PROPERTY_KEY_PORT
,
endpoints
.
get
(
0
).
split
(
":"
)[
1
]);
}
//load taos.cfg end
connect
(
info
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_HOST
),
Integer
.
parseInt
(
info
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_PORT
,
"0"
)),
info
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_DBNAME
),
info
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_USER
),
info
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_PASSWORD
));
}
private
List
<
String
>
loadConfigEndpoints
(
File
cfgFile
)
{
List
<
String
>
endpoints
=
new
ArrayList
<>();
try
(
BufferedReader
reader
=
new
BufferedReader
(
new
FileReader
(
cfgFile
)))
{
String
line
=
null
;
while
((
line
=
reader
.
readLine
())
!=
null
)
{
if
(
line
.
trim
().
startsWith
(
"firstEp"
)
||
line
.
trim
().
startsWith
(
"secondEp"
))
{
endpoints
.
add
(
line
.
substring
(
line
.
indexOf
(
'p'
)
+
1
).
trim
());
}
if
(
endpoints
.
size
()
>
1
)
break
;
}
}
catch
(
FileNotFoundException
e
)
{
e
.
printStackTrace
();
}
catch
(
IOException
e
)
{
e
.
printStackTrace
();
}
return
endpoints
;
}
/**
* @param cfgDirPath
* @return return the config dir
**/
private
File
loadConfigDir
(
String
cfgDirPath
)
{
if
(
cfgDirPath
==
null
)
return
loadDefaultConfigDir
();
File
cfgDir
=
new
File
(
cfgDirPath
);
if
(!
cfgDir
.
exists
())
return
loadDefaultConfigDir
();
return
cfgDir
;
}
/**
* @return search the default config dir, if the config dir is not exist will return null
*/
private
File
loadDefaultConfigDir
()
{
File
cfgDir
;
File
cfgDir_linux
=
new
File
(
"/etc/taos"
);
cfgDir
=
cfgDir_linux
.
exists
()
?
cfgDir_linux
:
null
;
File
cfgDir_windows
=
new
File
(
"C:\\TDengine\\cfg"
);
cfgDir
=
(
cfgDir
==
null
&&
cfgDir_windows
.
exists
())
?
cfgDir_windows
:
cfgDir
;
return
cfgDir
;
}
private
void
connect
(
String
host
,
int
port
,
String
dbName
,
String
user
,
String
password
)
throws
SQLException
{
this
.
connector
=
new
TSDBJNIConnector
();
this
.
connector
.
connect
(
host
,
port
,
dbName
,
user
,
password
);
...
...
src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBDatabaseMetaData.java
浏览文件 @
99741286
...
...
@@ -68,15 +68,15 @@ public class TSDBDatabaseMetaData implements java.sql.DatabaseMetaData {
}
public
boolean
nullsAreSortedLow
()
throws
SQLException
{
return
false
;
return
!
nullsAreSortedHigh
()
;
}
public
boolean
nullsAreSortedAtStart
()
throws
SQLException
{
return
fals
e
;
return
tru
e
;
}
public
boolean
nullsAreSortedAtEnd
()
throws
SQLException
{
return
false
;
return
!
nullsAreSortedAtStart
()
;
}
public
String
getDatabaseProductName
()
throws
SQLException
{
...
...
src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBDriver.java
浏览文件 @
99741286
...
...
@@ -16,24 +16,27 @@ package com.taosdata.jdbc;
import
org.apache.commons.lang3.StringUtils
;
import
java.io.*
;
import
java.sql.*
;
import
java.util.ArrayList
;
import
java.util.List
;
import
java.util.Properties
;
import
java.util.logging.Logger
;
/**
* The Java SQL framework allows for multiple database drivers. Each driver
* should supply a class that implements the Driver interface
*
*
* <p>
* The DriverManager will try to load as many drivers as it can find and then
* for any given connection request, it will ask each driver in turn to try to
* connect to the target URL.
*
*
* <p>
* It is strongly recommended that each Driver class should be small and stand
* alone so that the Driver class can be loaded and queried without bringing in
* vast quantities of supporting code.
*
*
* <p>
* When a Driver class is loaded, it should create an instance of itself and
* register it with the DriverManager. This means that a user can load and
...
...
@@ -41,39 +44,39 @@ import java.util.logging.Logger;
*/
public
class
TSDBDriver
implements
java
.
sql
.
Driver
{
@Deprecated
private
static
final
String
URL_PREFIX1
=
"jdbc:TSDB://"
;
private
static
final
String
URL_PREFIX
=
"jdbc:TAOS://"
;
/**
* Key used to retrieve the database value from the properties instance passed
* to the driver.
*/
public
static
final
String
PROPERTY_KEY_DBNAME
=
"dbname"
;
/**
* Key used to retrieve the host value from the properties instance passed to
* the driver.
*/
public
static
final
String
PROPERTY_KEY_HOST
=
"host"
;
/**
* Key used to retrieve the password value from the properties instance passed
* to the driver.
*/
public
static
final
String
PROPERTY_KEY_PASSWORD
=
"password"
;
/**
* Key used to retrieve the port number value from the properties instance
* passed to the driver.
*/
public
static
final
String
PROPERTY_KEY_PORT
=
"port"
;
/**
* Key used to retrieve the user value from the properties instance passed to
* the driver.
*/
public
static
final
String
PROPERTY_KEY_USER
=
"user"
;
@Deprecated
private
static
final
String
URL_PREFIX1
=
"jdbc:TSDB://"
;
private
static
final
String
URL_PREFIX
=
"jdbc:TAOS://"
;
/**
* Key used to retrieve the database value from the properties instance passed
* to the driver.
*/
public
static
final
String
PROPERTY_KEY_DBNAME
=
"dbname"
;
/**
* Key used to retrieve the host value from the properties instance passed to
* the driver.
*/
public
static
final
String
PROPERTY_KEY_HOST
=
"host"
;
/**
* Key used to retrieve the password value from the properties instance passed
* to the driver.
*/
public
static
final
String
PROPERTY_KEY_PASSWORD
=
"password"
;
/**
* Key used to retrieve the port number value from the properties instance
* passed to the driver.
*/
public
static
final
String
PROPERTY_KEY_PORT
=
"port"
;
/**
* Key used to retrieve the user value from the properties instance passed to
* the driver.
*/
public
static
final
String
PROPERTY_KEY_USER
=
"user"
;
/**
* Key for the configuration file directory of TSDB client in properties instance
...
...
@@ -98,277 +101,318 @@ public class TSDBDriver implements java.sql.Driver {
public
static
final
String
PROPERTY_KEY_PROTOCOL
=
"protocol"
;
/**
* Index for port coming out of parseHostPortPair().
*/
public
final
static
int
PORT_NUMBER_INDEX
=
1
;
/**
* Index for host coming out of parseHostPortPair().
*/
public
final
static
int
HOST_NAME_INDEX
=
0
;
private
TSDBDatabaseMetaData
dbMetaData
=
null
;
static
{
try
{
java
.
sql
.
DriverManager
.
registerDriver
(
new
TSDBDriver
());
}
catch
(
SQLException
E
)
{
throw
new
RuntimeException
(
TSDBConstants
.
WrapErrMsg
(
"can't register tdengine jdbc driver!"
));
}
}
public
Connection
connect
(
String
url
,
Properties
info
)
throws
SQLException
{
if
(
url
==
null
)
{
throw
new
SQLException
(
TSDBConstants
.
WrapErrMsg
(
"url is not set!"
));
}
Properties
props
=
null
;
if
((
props
=
parseURL
(
url
,
info
))
==
null
)
{
return
null
;
}
try
{
TSDBJNIConnector
.
init
((
String
)
props
.
get
(
PROPERTY_KEY_CONFIG_DIR
),
(
String
)
props
.
get
(
PROPERTY_KEY_LOCALE
),
(
String
)
props
.
get
(
PROPERTY_KEY_CHARSET
),
(
String
)
props
.
get
(
PROPERTY_KEY_TIME_ZONE
));
Connection
newConn
=
new
TSDBConnection
(
props
,
this
.
dbMetaData
);
return
newConn
;
}
catch
(
SQLWarning
sqlWarning
)
{
sqlWarning
.
printStackTrace
();
Connection
newConn
=
new
TSDBConnection
(
props
,
this
.
dbMetaData
);
return
newConn
;
}
catch
(
SQLException
sqlEx
)
{
throw
sqlEx
;
}
catch
(
Exception
ex
)
{
SQLException
sqlEx
=
new
SQLException
(
"SQLException:"
+
ex
.
toString
());
sqlEx
.
initCause
(
ex
);
throw
sqlEx
;
}
}
/**
* Parses hostPortPair in the form of [host][:port] into an array, with the
* element of index HOST_NAME_INDEX being the host (or null if not specified),
* and the element of index PORT_NUMBER_INDEX being the port (or null if not
* specified).
*
* @param hostPortPair
* host and port in form of of [host][:port]
*
* @return array containing host and port as Strings
*
* @throws SQLException
* if a parse error occurs
*/
protected
static
String
[]
parseHostPortPair
(
String
hostPortPair
)
throws
SQLException
{
String
[]
splitValues
=
new
String
[
2
];
int
portIndex
=
hostPortPair
.
indexOf
(
":"
);
String
hostname
=
null
;
if
(
portIndex
!=
-
1
)
{
if
((
portIndex
+
1
)
<
hostPortPair
.
length
())
{
String
portAsString
=
hostPortPair
.
substring
(
portIndex
+
1
);
hostname
=
hostPortPair
.
substring
(
0
,
portIndex
);
splitValues
[
HOST_NAME_INDEX
]
=
hostname
;
splitValues
[
PORT_NUMBER_INDEX
]
=
portAsString
;
}
else
{
throw
new
SQLException
(
TSDBConstants
.
WrapErrMsg
(
"port is not proper!"
));
}
}
else
{
splitValues
[
HOST_NAME_INDEX
]
=
hostPortPair
;
splitValues
[
PORT_NUMBER_INDEX
]
=
null
;
}
return
splitValues
;
}
public
boolean
acceptsURL
(
String
url
)
throws
SQLException
{
return
StringUtils
.
isNotBlank
(
url
)
&&
url
.
startsWith
(
URL_PREFIX
);
}
public
DriverPropertyInfo
[]
getPropertyInfo
(
String
url
,
Properties
info
)
throws
SQLException
{
if
(
info
==
null
)
{
info
=
new
Properties
();
}
if
((
url
!=
null
)
&&
(
url
.
startsWith
(
URL_PREFIX
)
||
url
.
startsWith
(
URL_PREFIX1
)))
{
info
=
parseURL
(
url
,
info
);
}
DriverPropertyInfo
hostProp
=
new
DriverPropertyInfo
(
PROPERTY_KEY_HOST
,
info
.
getProperty
(
PROPERTY_KEY_HOST
));
hostProp
.
required
=
true
;
DriverPropertyInfo
portProp
=
new
DriverPropertyInfo
(
PROPERTY_KEY_PORT
,
info
.
getProperty
(
PROPERTY_KEY_PORT
,
TSDBConstants
.
DEFAULT_PORT
));
portProp
.
required
=
false
;
DriverPropertyInfo
dbProp
=
new
DriverPropertyInfo
(
PROPERTY_KEY_DBNAME
,
info
.
getProperty
(
PROPERTY_KEY_DBNAME
));
dbProp
.
required
=
false
;
dbProp
.
description
=
"Database name"
;
DriverPropertyInfo
userProp
=
new
DriverPropertyInfo
(
PROPERTY_KEY_USER
,
info
.
getProperty
(
PROPERTY_KEY_USER
));
userProp
.
required
=
true
;
DriverPropertyInfo
passwordProp
=
new
DriverPropertyInfo
(
PROPERTY_KEY_PASSWORD
,
info
.
getProperty
(
PROPERTY_KEY_PASSWORD
));
passwordProp
.
required
=
true
;
DriverPropertyInfo
[]
propertyInfo
=
new
DriverPropertyInfo
[
5
];
propertyInfo
[
0
]
=
hostProp
;
propertyInfo
[
1
]
=
portProp
;
propertyInfo
[
2
]
=
dbProp
;
propertyInfo
[
3
]
=
userProp
;
propertyInfo
[
4
]
=
passwordProp
;
return
propertyInfo
;
}
/**
* example: jdbc:TSDB://127.0.0.1:0/db?user=root&password=your_password
*/
public
Properties
parseURL
(
String
url
,
Properties
defaults
)
throws
java
.
sql
.
SQLException
{
Properties
urlProps
=
(
defaults
!=
null
)
?
defaults
:
new
Properties
();
if
(
url
==
null
)
{
return
null
;
}
if
(!
StringUtils
.
startsWithIgnoreCase
(
url
,
URL_PREFIX
)
&&
!
StringUtils
.
startsWithIgnoreCase
(
url
,
URL_PREFIX1
))
{
return
null
;
}
String
urlForMeta
=
url
;
String
dbProductName
=
url
.
substring
(
url
.
indexOf
(
":"
)
+
1
);
dbProductName
=
dbProductName
.
substring
(
0
,
dbProductName
.
indexOf
(
":"
));
int
beginningOfSlashes
=
url
.
indexOf
(
"//"
);
url
=
url
.
substring
(
beginningOfSlashes
+
2
);
String
host
=
url
.
substring
(
0
,
url
.
indexOf
(
":"
));
url
=
url
.
substring
(
url
.
indexOf
(
":"
)
+
1
);
urlProps
.
setProperty
(
PROPERTY_KEY_HOST
,
host
);
String
port
=
url
.
substring
(
0
,
url
.
indexOf
(
"/"
));
urlProps
.
setProperty
(
PROPERTY_KEY_PORT
,
port
);
url
=
url
.
substring
(
url
.
indexOf
(
"/"
)
+
1
);
if
(
url
.
indexOf
(
"?"
)
!=
-
1
)
{
String
dbName
=
url
.
substring
(
0
,
url
.
indexOf
(
"?"
));
urlProps
.
setProperty
(
PROPERTY_KEY_DBNAME
,
dbName
);
url
=
url
.
trim
().
substring
(
url
.
indexOf
(
"?"
)
+
1
);
}
else
{
// without user & password so return
if
(!
url
.
trim
().
isEmpty
())
{
String
dbName
=
url
.
trim
();
urlProps
.
setProperty
(
PROPERTY_KEY_DBNAME
,
dbName
);
}
this
.
dbMetaData
=
new
TSDBDatabaseMetaData
(
dbProductName
,
urlForMeta
,
urlProps
.
getProperty
(
"user"
));
return
urlProps
;
}
String
user
=
""
;
if
(
url
.
indexOf
(
"&"
)
==
-
1
)
{
String
[]
kvPair
=
url
.
trim
().
split
(
"="
);
if
(
kvPair
.
length
==
2
)
{
setPropertyValue
(
urlProps
,
kvPair
);
return
urlProps
;
}
}
String
[]
queryStrings
=
url
.
trim
().
split
(
"&"
);
for
(
String
queryStr
:
queryStrings
)
{
String
[]
kvPair
=
queryStr
.
trim
().
split
(
"="
);
if
(
kvPair
.
length
<
2
){
continue
;
}
setPropertyValue
(
urlProps
,
kvPair
);
}
user
=
urlProps
.
getProperty
(
PROPERTY_KEY_USER
).
toString
();
this
.
dbMetaData
=
new
TSDBDatabaseMetaData
(
dbProductName
,
urlForMeta
,
user
);
return
urlProps
;
}
public
void
setPropertyValue
(
Properties
property
,
String
[]
keyValuePair
)
{
switch
(
keyValuePair
[
0
].
toLowerCase
())
{
case
PROPERTY_KEY_USER:
property
.
setProperty
(
PROPERTY_KEY_USER
,
keyValuePair
[
1
]);
break
;
case
PROPERTY_KEY_PASSWORD:
property
.
setProperty
(
PROPERTY_KEY_PASSWORD
,
keyValuePair
[
1
]);
break
;
case
PROPERTY_KEY_TIME_ZONE:
property
.
setProperty
(
PROPERTY_KEY_TIME_ZONE
,
keyValuePair
[
1
]);
break
;
case
PROPERTY_KEY_LOCALE:
property
.
setProperty
(
PROPERTY_KEY_LOCALE
,
keyValuePair
[
1
]);
break
;
case
PROPERTY_KEY_CHARSET:
property
.
setProperty
(
PROPERTY_KEY_CHARSET
,
keyValuePair
[
1
]);
break
;
case
PROPERTY_KEY_CONFIG_DIR:
property
.
setProperty
(
PROPERTY_KEY_CONFIG_DIR
,
keyValuePair
[
1
]);
break
;
}
}
public
int
getMajorVersion
()
{
return
1
;
}
public
int
getMinorVersion
()
{
return
1
;
}
public
boolean
jdbcCompliant
()
{
return
false
;
}
public
Logger
getParentLogger
()
throws
SQLFeatureNotSupportedException
{
return
null
;
}
/**
* Returns the host property
*
* @param props
* the java.util.Properties instance to retrieve the hostname from.
*
* @return the host
*/
public
String
host
(
Properties
props
)
{
return
props
.
getProperty
(
PROPERTY_KEY_HOST
,
"localhost"
);
}
/**
* Returns the port number property
*
* @param props
* the properties to get the port number from
*
* @return the port number
*/
public
int
port
(
Properties
props
)
{
return
Integer
.
parseInt
(
props
.
getProperty
(
PROPERTY_KEY_PORT
,
TSDBConstants
.
DEFAULT_PORT
));
}
/**
* Returns the database property from <code>props</code>
*
* @param props
* the Properties to look for the database property.
*
* @return the database name.
*/
public
String
database
(
Properties
props
)
{
return
props
.
getProperty
(
PROPERTY_KEY_DBNAME
);
}
/**
* Index for port coming out of parseHostPortPair().
*/
public
final
static
int
PORT_NUMBER_INDEX
=
1
;
/**
* Index for host coming out of parseHostPortPair().
*/
public
final
static
int
HOST_NAME_INDEX
=
0
;
private
TSDBDatabaseMetaData
dbMetaData
=
null
;
static
{
try
{
java
.
sql
.
DriverManager
.
registerDriver
(
new
TSDBDriver
());
}
catch
(
SQLException
E
)
{
throw
new
RuntimeException
(
TSDBConstants
.
WrapErrMsg
(
"can't register tdengine jdbc driver!"
));
}
}
private
List
<
String
>
loadConfigEndpoints
(
File
cfgFile
)
{
List
<
String
>
endpoints
=
new
ArrayList
<>();
try
(
BufferedReader
reader
=
new
BufferedReader
(
new
FileReader
(
cfgFile
)))
{
String
line
=
null
;
while
((
line
=
reader
.
readLine
())
!=
null
)
{
if
(
line
.
trim
().
startsWith
(
"firstEp"
)
||
line
.
trim
().
startsWith
(
"secondEp"
))
{
endpoints
.
add
(
line
.
substring
(
line
.
indexOf
(
'p'
)
+
1
).
trim
());
}
if
(
endpoints
.
size
()
>
1
)
break
;
}
}
catch
(
FileNotFoundException
e
)
{
e
.
printStackTrace
();
}
catch
(
IOException
e
)
{
e
.
printStackTrace
();
}
return
endpoints
;
}
/**
* @param cfgDirPath
* @return return the config dir
**/
private
File
loadConfigDir
(
String
cfgDirPath
)
{
if
(
cfgDirPath
==
null
)
return
loadDefaultConfigDir
();
File
cfgDir
=
new
File
(
cfgDirPath
);
if
(!
cfgDir
.
exists
())
return
loadDefaultConfigDir
();
return
cfgDir
;
}
/**
* @return search the default config dir, if the config dir is not exist will return null
*/
private
File
loadDefaultConfigDir
()
{
File
cfgDir
;
File
cfgDir_linux
=
new
File
(
"/etc/taos"
);
cfgDir
=
cfgDir_linux
.
exists
()
?
cfgDir_linux
:
null
;
File
cfgDir_windows
=
new
File
(
"C:\\TDengine\\cfg"
);
cfgDir
=
(
cfgDir
==
null
&&
cfgDir_windows
.
exists
())
?
cfgDir_windows
:
cfgDir
;
return
cfgDir
;
}
public
Connection
connect
(
String
url
,
Properties
info
)
throws
SQLException
{
if
(
url
==
null
)
{
throw
new
SQLException
(
TSDBConstants
.
WrapErrMsg
(
"url is not set!"
));
}
Properties
props
=
null
;
if
((
props
=
parseURL
(
url
,
info
))
==
null
)
{
return
null
;
}
//load taos.cfg start
if
(
info
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_HOST
)
==
null
&&
info
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_PORT
)
==
null
){
File
cfgDir
=
loadConfigDir
(
info
.
getProperty
(
TSDBDriver
.
PROPERTY_KEY_CONFIG_DIR
));
File
cfgFile
=
cfgDir
.
listFiles
((
dir
,
name
)
->
"taos.cfg"
.
equalsIgnoreCase
(
name
))[
0
];
List
<
String
>
endpoints
=
loadConfigEndpoints
(
cfgFile
);
if
(!
endpoints
.
isEmpty
())
{
info
.
setProperty
(
TSDBDriver
.
PROPERTY_KEY_HOST
,
endpoints
.
get
(
0
).
split
(
":"
)[
0
]);
info
.
setProperty
(
TSDBDriver
.
PROPERTY_KEY_PORT
,
endpoints
.
get
(
0
).
split
(
":"
)[
1
]);
}
}
try
{
TSDBJNIConnector
.
init
((
String
)
props
.
get
(
PROPERTY_KEY_CONFIG_DIR
),
(
String
)
props
.
get
(
PROPERTY_KEY_LOCALE
),
(
String
)
props
.
get
(
PROPERTY_KEY_CHARSET
),
(
String
)
props
.
get
(
PROPERTY_KEY_TIME_ZONE
));
Connection
newConn
=
new
TSDBConnection
(
props
,
this
.
dbMetaData
);
return
newConn
;
}
catch
(
SQLWarning
sqlWarning
)
{
sqlWarning
.
printStackTrace
();
Connection
newConn
=
new
TSDBConnection
(
props
,
this
.
dbMetaData
);
return
newConn
;
}
catch
(
SQLException
sqlEx
)
{
throw
sqlEx
;
}
catch
(
Exception
ex
)
{
SQLException
sqlEx
=
new
SQLException
(
"SQLException:"
+
ex
.
toString
());
sqlEx
.
initCause
(
ex
);
throw
sqlEx
;
}
}
/**
* Parses hostPortPair in the form of [host][:port] into an array, with the
* element of index HOST_NAME_INDEX being the host (or null if not specified),
* and the element of index PORT_NUMBER_INDEX being the port (or null if not
* specified).
*
* @param hostPortPair host and port in form of of [host][:port]
* @return array containing host and port as Strings
* @throws SQLException if a parse error occurs
*/
protected
static
String
[]
parseHostPortPair
(
String
hostPortPair
)
throws
SQLException
{
String
[]
splitValues
=
new
String
[
2
];
int
portIndex
=
hostPortPair
.
indexOf
(
":"
);
String
hostname
=
null
;
if
(
portIndex
!=
-
1
)
{
if
((
portIndex
+
1
)
<
hostPortPair
.
length
())
{
String
portAsString
=
hostPortPair
.
substring
(
portIndex
+
1
);
hostname
=
hostPortPair
.
substring
(
0
,
portIndex
);
splitValues
[
HOST_NAME_INDEX
]
=
hostname
;
splitValues
[
PORT_NUMBER_INDEX
]
=
portAsString
;
}
else
{
throw
new
SQLException
(
TSDBConstants
.
WrapErrMsg
(
"port is not proper!"
));
}
}
else
{
splitValues
[
HOST_NAME_INDEX
]
=
hostPortPair
;
splitValues
[
PORT_NUMBER_INDEX
]
=
null
;
}
return
splitValues
;
}
public
boolean
acceptsURL
(
String
url
)
throws
SQLException
{
return
StringUtils
.
isNotBlank
(
url
)
&&
url
.
startsWith
(
URL_PREFIX
);
}
public
DriverPropertyInfo
[]
getPropertyInfo
(
String
url
,
Properties
info
)
throws
SQLException
{
if
(
info
==
null
)
{
info
=
new
Properties
();
}
if
((
url
!=
null
)
&&
(
url
.
startsWith
(
URL_PREFIX
)
||
url
.
startsWith
(
URL_PREFIX1
)))
{
info
=
parseURL
(
url
,
info
);
}
DriverPropertyInfo
hostProp
=
new
DriverPropertyInfo
(
PROPERTY_KEY_HOST
,
info
.
getProperty
(
PROPERTY_KEY_HOST
));
hostProp
.
required
=
true
;
DriverPropertyInfo
portProp
=
new
DriverPropertyInfo
(
PROPERTY_KEY_PORT
,
info
.
getProperty
(
PROPERTY_KEY_PORT
,
TSDBConstants
.
DEFAULT_PORT
));
portProp
.
required
=
false
;
DriverPropertyInfo
dbProp
=
new
DriverPropertyInfo
(
PROPERTY_KEY_DBNAME
,
info
.
getProperty
(
PROPERTY_KEY_DBNAME
));
dbProp
.
required
=
false
;
dbProp
.
description
=
"Database name"
;
DriverPropertyInfo
userProp
=
new
DriverPropertyInfo
(
PROPERTY_KEY_USER
,
info
.
getProperty
(
PROPERTY_KEY_USER
));
userProp
.
required
=
true
;
DriverPropertyInfo
passwordProp
=
new
DriverPropertyInfo
(
PROPERTY_KEY_PASSWORD
,
info
.
getProperty
(
PROPERTY_KEY_PASSWORD
));
passwordProp
.
required
=
true
;
DriverPropertyInfo
[]
propertyInfo
=
new
DriverPropertyInfo
[
5
];
propertyInfo
[
0
]
=
hostProp
;
propertyInfo
[
1
]
=
portProp
;
propertyInfo
[
2
]
=
dbProp
;
propertyInfo
[
3
]
=
userProp
;
propertyInfo
[
4
]
=
passwordProp
;
return
propertyInfo
;
}
/**
* example: jdbc:TSDB://127.0.0.1:0/db?user=root&password=your_password
*/
public
Properties
parseURL
(
String
url
,
Properties
defaults
)
throws
java
.
sql
.
SQLException
{
Properties
urlProps
=
(
defaults
!=
null
)
?
defaults
:
new
Properties
();
if
(
url
==
null
)
{
return
null
;
}
if
(!
StringUtils
.
startsWithIgnoreCase
(
url
,
URL_PREFIX
)
&&
!
StringUtils
.
startsWithIgnoreCase
(
url
,
URL_PREFIX1
))
{
return
null
;
}
String
urlForMeta
=
url
;
String
dbProductName
=
url
.
substring
(
url
.
indexOf
(
":"
)
+
1
);
dbProductName
=
dbProductName
.
substring
(
0
,
dbProductName
.
indexOf
(
":"
));
int
beginningOfSlashes
=
url
.
indexOf
(
"//"
);
url
=
url
.
substring
(
beginningOfSlashes
+
2
);
String
host
=
url
.
substring
(
0
,
url
.
indexOf
(
":"
));
url
=
url
.
substring
(
url
.
indexOf
(
":"
)
+
1
);
urlProps
.
setProperty
(
PROPERTY_KEY_HOST
,
host
);
String
port
=
url
.
substring
(
0
,
url
.
indexOf
(
"/"
));
urlProps
.
setProperty
(
PROPERTY_KEY_PORT
,
port
);
url
=
url
.
substring
(
url
.
indexOf
(
"/"
)
+
1
);
if
(
url
.
indexOf
(
"?"
)
!=
-
1
)
{
String
dbName
=
url
.
substring
(
0
,
url
.
indexOf
(
"?"
));
urlProps
.
setProperty
(
PROPERTY_KEY_DBNAME
,
dbName
);
url
=
url
.
trim
().
substring
(
url
.
indexOf
(
"?"
)
+
1
);
}
else
{
// without user & password so return
if
(!
url
.
trim
().
isEmpty
())
{
String
dbName
=
url
.
trim
();
urlProps
.
setProperty
(
PROPERTY_KEY_DBNAME
,
dbName
);
}
this
.
dbMetaData
=
new
TSDBDatabaseMetaData
(
dbProductName
,
urlForMeta
,
urlProps
.
getProperty
(
"user"
));
return
urlProps
;
}
String
user
=
""
;
if
(
url
.
indexOf
(
"&"
)
==
-
1
)
{
String
[]
kvPair
=
url
.
trim
().
split
(
"="
);
if
(
kvPair
.
length
==
2
)
{
setPropertyValue
(
urlProps
,
kvPair
);
return
urlProps
;
}
}
String
[]
queryStrings
=
url
.
trim
().
split
(
"&"
);
for
(
String
queryStr
:
queryStrings
)
{
String
[]
kvPair
=
queryStr
.
trim
().
split
(
"="
);
if
(
kvPair
.
length
<
2
)
{
continue
;
}
setPropertyValue
(
urlProps
,
kvPair
);
}
user
=
urlProps
.
getProperty
(
PROPERTY_KEY_USER
).
toString
();
this
.
dbMetaData
=
new
TSDBDatabaseMetaData
(
dbProductName
,
urlForMeta
,
user
);
return
urlProps
;
}
public
void
setPropertyValue
(
Properties
property
,
String
[]
keyValuePair
)
{
switch
(
keyValuePair
[
0
].
toLowerCase
())
{
case
PROPERTY_KEY_USER:
property
.
setProperty
(
PROPERTY_KEY_USER
,
keyValuePair
[
1
]);
break
;
case
PROPERTY_KEY_PASSWORD:
property
.
setProperty
(
PROPERTY_KEY_PASSWORD
,
keyValuePair
[
1
]);
break
;
case
PROPERTY_KEY_TIME_ZONE:
property
.
setProperty
(
PROPERTY_KEY_TIME_ZONE
,
keyValuePair
[
1
]);
break
;
case
PROPERTY_KEY_LOCALE:
property
.
setProperty
(
PROPERTY_KEY_LOCALE
,
keyValuePair
[
1
]);
break
;
case
PROPERTY_KEY_CHARSET:
property
.
setProperty
(
PROPERTY_KEY_CHARSET
,
keyValuePair
[
1
]);
break
;
case
PROPERTY_KEY_CONFIG_DIR:
property
.
setProperty
(
PROPERTY_KEY_CONFIG_DIR
,
keyValuePair
[
1
]);
break
;
}
}
public
int
getMajorVersion
()
{
return
1
;
}
public
int
getMinorVersion
()
{
return
1
;
}
public
boolean
jdbcCompliant
()
{
return
false
;
}
public
Logger
getParentLogger
()
throws
SQLFeatureNotSupportedException
{
return
null
;
}
/**
* Returns the host property
*
* @param props the java.util.Properties instance to retrieve the hostname from.
* @return the host
*/
public
String
host
(
Properties
props
)
{
return
props
.
getProperty
(
PROPERTY_KEY_HOST
,
"localhost"
);
}
/**
* Returns the port number property
*
* @param props the properties to get the port number from
* @return the port number
*/
public
int
port
(
Properties
props
)
{
return
Integer
.
parseInt
(
props
.
getProperty
(
PROPERTY_KEY_PORT
,
TSDBConstants
.
DEFAULT_PORT
));
}
/**
* Returns the database property from <code>props</code>
*
* @param props the Properties to look for the database property.
* @return the database name.
*/
public
String
database
(
Properties
props
)
{
return
props
.
getProperty
(
PROPERTY_KEY_DBNAME
);
}
}
src/connector/jdbc/src/main/java/com/taosdata/jdbc/cases/CalciteTest.java
0 → 100644
浏览文件 @
99741286
package
com.taosdata.jdbc.cases
;
import
org.apache.calcite.adapter.jdbc.JdbcSchema
;
import
org.apache.calcite.jdbc.CalciteConnection
;
import
org.apache.calcite.schema.SchemaPlus
;
import
org.apache.calcite.sql.parser.SqlParseException
;
import
org.apache.commons.dbcp2.BasicDataSource
;
import
java.sql.*
;
import
java.util.HashMap
;
import
java.util.Map
;
import
java.util.Properties
;
public
class
CalciteTest
{
public
static
void
main
(
String
[]
args
)
throws
SqlParseException
,
ClassNotFoundException
,
SQLException
{
//创建Calcite Connection对象
Class
.
forName
(
"org.apache.calcite.jdbc.Driver"
);
Properties
info
=
new
Properties
();
info
.
setProperty
(
"caseSensitive"
,
"false"
);
Connection
connection
=
DriverManager
.
getConnection
(
"jdbc:calcite:"
,
info
);
CalciteConnection
calciteConnection
=
connection
.
unwrap
(
CalciteConnection
.
class
);
SchemaPlus
rootSchema
=
calciteConnection
.
getRootSchema
();
// JDBC adapter
Class
.
forName
(
"com.mysql.jdbc.Driver"
);
BasicDataSource
dataSource
=
new
BasicDataSource
();
dataSource
.
setUrl
(
"jdbc:mysql://192.168.56.101:3306"
);
dataSource
.
setUsername
(
"root"
);
dataSource
.
setPassword
(
"123456"
);
Map
<
String
,
String
>
map
=
new
HashMap
<>();
JdbcSchema
schema
=
JdbcSchema
.
create
(
rootSchema
,
"hr"
,
dataSource
,
null
,
null
);
rootSchema
.
add
(
"hr"
,
schema
);
Statement
statement
=
calciteConnection
.
createStatement
();
ResultSet
resultSet
=
statement
.
executeQuery
(
"select * from hr.depts"
);
while
(
resultSet
.
next
())
{
ResultSetMetaData
metaData
=
resultSet
.
getMetaData
();
for
(
int
i
=
1
;
i
<=
metaData
.
getColumnCount
();
i
++)
{
String
columnLabel
=
metaData
.
getColumnLabel
(
i
);
System
.
out
.
println
(
columnLabel
+
" : "
+
resultSet
.
getString
(
i
));
}
}
resultSet
.
close
();
statement
.
close
();
connection
.
close
();
//创建TDengine的数据源schema
// Class.forName("com.taosdata.jdbc.TSDBDriver");
// String url = "jdbc:TAOS://127.0.0.1:6030/hdb";
// dataSource.setUrl(url);
// dataSource.setUsername("root");
// dataSource.setPassword("taosdata");
// Class.forName("com.mysql.jdbc.Driver");
// String url = "jdbc:mysql://localhost:3306/hdb";
// BasicDataSource dataSource = new BasicDataSource();
// dataSource.setUrl(url);
// dataSource.setUsername("root");
// dataSource.setPassword("123456");
//这里hdb是在tdengine中创建的数据库名
// JdbcSchema schema = JdbcSchema.create(rootSchema, "test", dataSource, null, "test");
// Schema schema = JdbcSchema.create(rootSchema, "test", dataSource, "hdb", null);
//创建新的schema自动映射到原来的hdb数据库
// rootSchema.add("test", schema);
// Statement stmt = calciteConnection.createStatement();
//查询schema test中的表,表名是tdengine中的表
// ResultSet rs = stmt.executeQuery("select * from test.t");
// for (int i = 1; i <= rs.getMetaData().getColumnCount(); i++) {
// System.out.println(rs.getMetaData().getColumnName(i));
// }
// while (rs.next()) {
// System.out.println(rs.getObject(1));
// }
}
}
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