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TDengine

taosdata / TDengine
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T
TDengine
提交 99741286 编写于 作者: Z zyyang
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adapt the calcite for customer GLD

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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" <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"> 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> <modelVersion>4.0.0</modelVersion>
<groupId>com.taosdata.jdbc</groupId> <groupId>com.taosdata.jdbc</groupId>
<artifactId>taos-jdbcdriver</artifactId> <artifactId>taos-jdbcdriver</artifactId>
<version>2.0.0</version> <version>2.0.0</version>
<packaging>jar</packaging> <packaging>jar</packaging>
<name>JDBCDriver</name> <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>
<url>https://github.com/taosdata/TDengine/tree/master/src/connector/jdbc</url> <url>https://github.com/taosdata/TDengine/tree/master/src/connector/jdbc</url>
<tag>HEAD</tag> <description>TDengine JDBC Driver</description>
</scm> <licenses>
<developers> <license>
<developer> <name>GNU AFFERO GENERAL PUBLIC LICENSE Version 3</name>
<name>taosdata</name> <url>https://github.com/taosdata/TDengine/blob/master/LICENSE</url>
<email>support@taosdata.com</email> <distribution>repo</distribution>
<organization>https://www.taosdata.com/</organization> </license>
<organizationUrl>https://www.taosdata.com/</organizationUrl> </licenses>
</developer> <scm>
</developers> <connection>scm:git:git://github.com/taosdata/TDengine.git</connection>
<properties> <developerConnection>scm:git:git@github.com:taosdata/TDengine.git</developerConnection>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <url>https://github.com/taosdata/TDengine/tree/master/src/connector/jdbc</url>
<java.version>1.8</java.version> <tag>HEAD</tag>
<maven-compiler-plugin.version>3.6.0</maven-compiler-plugin.version> </scm>
<commons-logging.version>1.1.2</commons-logging.version> <developers>
<commons-lang3.version>3.5</commons-lang3.version> <developer>
</properties> <name>taosdata</name>
<dependencies> <email>support@taosdata.com</email>
<dependency> <organization>https://www.taosdata.com/</organization>
<groupId>commons-logging</groupId> <organizationUrl>https://www.taosdata.com/</organizationUrl>
<artifactId>commons-logging</artifactId> </developer>
<version>${commons-logging.version}</version> </developers>
<exclusions> <properties>
<exclusion> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<groupId>*</groupId> <java.version>1.8</java.version>
<artifactId>*</artifactId> <maven-compiler-plugin.version>3.6.0</maven-compiler-plugin.version>
</exclusion> <commons-logging.version>1.1.2</commons-logging.version>
</exclusions> <commons-lang3.version>3.5</commons-lang3.version>
</dependency> </properties>
<dependency> <dependencies>
<groupId>org.apache.commons</groupId> <dependency>
<artifactId>commons-lang3</artifactId> <groupId>commons-logging</groupId>
<version>${commons-lang3.version}</version> <artifactId>commons-logging</artifactId>
</dependency> <version>${commons-logging.version}</version>
<dependency> <exclusions>
<groupId>junit</groupId> <exclusion>
<artifactId>junit</artifactId> <groupId>*</groupId>
<version>4.13</version> <artifactId>*</artifactId>
<scope>test</scope> </exclusion>
</dependency> </exclusions>
</dependencies> </dependency>
<build> <dependency>
<plugins> <groupId>org.apache.commons</groupId>
<plugin> <artifactId>commons-lang3</artifactId>
<groupId>org.apache.maven.plugins</groupId> <version>${commons-lang3.version}</version>
<artifactId>maven-assembly-plugin</artifactId> </dependency>
<version>3.0.0</version> <dependency>
<configuration> <groupId>junit</groupId>
<descriptors> <artifactId>junit</artifactId>
<descriptor>src/main/assembly/assembly-jar.xml</descriptor> <version>4.13</version>
</descriptors> <scope>test</scope>
</configuration> </dependency>
<executions>
<execution> <!-- calcite -->
<id>make-assembly</id> <dependency>
<phase>package</phase> <groupId>org.apache.calcite</groupId>
<goals> <artifactId>calcite-core</artifactId>
<goal>single</goal> <version>1.23.0</version>
</goals> </dependency>
</execution> <dependency>
</executions> <groupId>org.apache.commons</groupId>
</plugin> <artifactId>commons-dbcp2</artifactId>
<plugin> <version>2.7.0</version>
<groupId>org.apache.maven.plugins</groupId> </dependency>
<artifactId>maven-compiler-plugin</artifactId> <dependency>
<version>${maven-compiler-plugin.version}</version> <groupId>org.apache.calcite.avatica</groupId>
<configuration> <artifactId>avatica-core</artifactId>
<encoding>UTF-8</encoding> <version>1.17.0</version>
<source>${java.version}</source> </dependency>
<target>${java.version}</target> <dependency>
<debug>true</debug> <groupId>mysql</groupId>
<showDeprecation>true</showDeprecation> <artifactId>mysql-connector-java</artifactId>
</configuration> <version>5.1.47</version>
</plugin> </dependency>
<plugin>
<groupId>org.apache.maven.plugins</groupId> </dependencies>
<artifactId>maven-surefire-plugin</artifactId> <build>
<version>2.12.4</version> <plugins>
<configuration> <plugin>
<testFailureIgnore>true</testFailureIgnore> <groupId>org.apache.maven.plugins</groupId>
</configuration> <artifactId>maven-assembly-plugin</artifactId>
</plugin> <version>3.0.0</version>
</plugins> <configuration>
</build> <descriptors>
<descriptor>src/main/assembly/assembly-jar.xml</descriptor>
</descriptors>
</configuration>
<executions>
<execution>
<id>make-assembly</id>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>${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> </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 { ...@@ -53,66 +53,12 @@ public class TSDBConnection implements Connection {
public TSDBConnection(Properties info, TSDBDatabaseMetaData meta) throws SQLException { public TSDBConnection(Properties info, TSDBDatabaseMetaData meta) throws SQLException {
this.dbMetaData = meta; 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), connect(info.getProperty(TSDBDriver.PROPERTY_KEY_HOST),
Integer.parseInt(info.getProperty(TSDBDriver.PROPERTY_KEY_PORT, "0")), 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_DBNAME), info.getProperty(TSDBDriver.PROPERTY_KEY_USER),
info.getProperty(TSDBDriver.PROPERTY_KEY_PASSWORD)); 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 { private void connect(String host, int port, String dbName, String user, String password) throws SQLException {
this.connector = new TSDBJNIConnector(); this.connector = new TSDBJNIConnector();
this.connector.connect(host, port, dbName, user, password); 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 { ...@@ -68,15 +68,15 @@ public class TSDBDatabaseMetaData implements java.sql.DatabaseMetaData {
} }
public boolean nullsAreSortedLow() throws SQLException { public boolean nullsAreSortedLow() throws SQLException {
return false; return !nullsAreSortedHigh();
} }
public boolean nullsAreSortedAtStart() throws SQLException { public boolean nullsAreSortedAtStart() throws SQLException {
return false; return true;
} }
public boolean nullsAreSortedAtEnd() throws SQLException { public boolean nullsAreSortedAtEnd() throws SQLException {
return false; return !nullsAreSortedAtStart();
} }
public String getDatabaseProductName() throws SQLException { public String getDatabaseProductName() throws SQLException {
......
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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