未验证 提交 460ed644 编写于 作者: S Shengliang Guan 提交者: GitHub

Merge pull request #3179 from taosdata/TD-1174_feature

TD-1174: jdbc without host ip
......@@ -14,6 +14,7 @@
*****************************************************************************/
package com.taosdata.jdbc;
import java.io.*;
import java.sql.Array;
import java.sql.Blob;
import java.sql.CallableStatement;
......@@ -30,336 +31,392 @@ import java.sql.SQLXML;
import java.sql.Savepoint;
import java.sql.Statement;
import java.sql.Struct;
import java.util.Enumeration;
import java.util.Map;
import java.util.Properties;
import java.util.*;
import java.util.concurrent.Executor;
public class TSDBConnection implements Connection {
private TSDBJNIConnector connector = null;
protected Properties props = null;
private String catalog = null;
private TSDBDatabaseMetaData dbMetaData = null;
private Properties clientInfoProps = new Properties();
private int timeoutMilliseconds = 0;
private String tsCharSet = "";
public TSDBConnection(Properties info, TSDBDatabaseMetaData meta) throws SQLException {
this.dbMetaData = meta;
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 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);
try {
this.setCatalog(dbName);
} catch (SQLException e) {
e.printStackTrace();
}
this.dbMetaData.setConnection(this);
}
public TSDBJNIConnector getConnection() {
return this.connector;
}
public Statement createStatement() throws SQLException {
if (!this.connector.isClosed()) {
return new TSDBStatement(this.connector);
} else {
throw new SQLException(TSDBConstants.FixErrMsg(TSDBConstants.JNI_CONNECTION_NULL));
}
}
public TSDBSubscribe subscribe(String topic, String sql, boolean restart) throws SQLException {
if (this.connector.isClosed()) {
throw new SQLException(TSDBConstants.FixErrMsg(TSDBConstants.JNI_CONNECTION_NULL));
}
long id = this.connector.subscribe(topic, sql, restart, 0);
if (id == 0) {
throw new SQLException(TSDBConstants.WrapErrMsg("failed to create subscription"));
}
return new TSDBSubscribe(this.connector, id);
}
public PreparedStatement prepareStatement(String sql) throws SQLException {
if (!this.connector.isClosed()) {
return new TSDBPreparedStatement(this.connector, sql);
} else {
throw new SQLException(TSDBConstants.FixErrMsg(TSDBConstants.JNI_CONNECTION_NULL));
}
}
public CallableStatement prepareCall(String sql) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public String nativeSQL(String sql) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public void setAutoCommit(boolean autoCommit) throws SQLException {
}
public boolean getAutoCommit() throws SQLException {
return true;
}
public void commit() throws SQLException {
}
public void rollback() throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public void close() throws SQLException {
if (this.connector != null && !this.connector.isClosed()) {
this.connector.closeConnection();
} else {
throw new SQLException(TSDBConstants.WrapErrMsg("connection is already closed!"));
}
}
public boolean isClosed() throws SQLException {
return this.connector.isClosed();
}
/**
* A connection's database is able to provide information describing its tables,
* its supported SQL grammar, its stored procedures, the capabilities of this
* connection, etc. This information is made available through a
* DatabaseMetaData object.
*
* @return a DatabaseMetaData object for this connection
* @exception SQLException
* if a database access error occurs
*/
public DatabaseMetaData getMetaData() throws SQLException {
return this.dbMetaData;
}
/**
* This readOnly option is not supported by TDengine. However, the method is intentionally left blank here to
* support HikariCP connection.
* @param readOnly
* @throws SQLException
*/
public void setReadOnly(boolean readOnly) throws SQLException {
}
public boolean isReadOnly() throws SQLException {
return true;
}
public void setCatalog(String catalog) throws SQLException {
this.catalog = catalog;
}
public String getCatalog() throws SQLException {
return this.catalog;
}
/**
* The transaction isolation level option is not supported by TDengine.
* This method is intentionally left empty to support HikariCP connection.
* @param level
* @throws SQLException
*/
public void setTransactionIsolation(int level) throws SQLException {
}
/**
* The transaction isolation level option is not supported by TDengine.
* @return
* @throws SQLException
*/
public int getTransactionIsolation() throws SQLException {
return Connection.TRANSACTION_NONE;
}
public SQLWarning getWarnings() throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public void clearWarnings() throws SQLException {
// left blank to support HikariCP connection
//todo: implement getWarnings according to the warning messages returned from TDengine
}
public Statement createStatement(int resultSetType, int resultSetConcurrency) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency)
throws SQLException {
// This method is implemented in the current way to support Spark
if (resultSetType != ResultSet.TYPE_FORWARD_ONLY) {
throw new SQLException(TSDBConstants.INVALID_VARIABLES);
}
if (resultSetConcurrency != ResultSet.CONCUR_READ_ONLY) {
throw new SQLException(TSDBConstants.INVALID_VARIABLES);
}
return this.prepareStatement(sql);
}
public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public Map<String, Class<?>> getTypeMap() throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public void setTypeMap(Map<String, Class<?>> map) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public void setHoldability(int holdability) throws SQLException {
// intentionally left empty to support druid connection pool.
}
/**
* the transaction is not supported by TDengine, so the opened ResultSet Objects will remain open
* @return
* @throws SQLException
*/
public int getHoldability() throws SQLException {
//intentionally left empty to support HikariCP connection.
return ResultSet.HOLD_CURSORS_OVER_COMMIT;
}
public Savepoint setSavepoint() throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public Savepoint setSavepoint(String name) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public void rollback(Savepoint savepoint) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public void releaseSavepoint(Savepoint savepoint) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public Statement createStatement(int resultSetType, int resultSetConcurrency, int resultSetHoldability)
throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency,
int resultSetHoldability) throws SQLException {
return this.prepareStatement(sql, resultSetType, resultSetConcurrency);
}
public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency,
int resultSetHoldability) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public PreparedStatement prepareStatement(String sql, int[] columnIndexes) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public PreparedStatement prepareStatement(String sql, String[] columnNames) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public Clob createClob() throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public Blob createBlob() throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public NClob createNClob() throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public SQLXML createSQLXML() throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public boolean isValid(int timeout) throws SQLException {
return !this.isClosed();
}
public void setClientInfo(String name, String value) throws SQLClientInfoException {
clientInfoProps.setProperty(name, value);
}
public void setClientInfo(Properties properties) throws SQLClientInfoException {
for (Enumeration<Object> enumer = properties.keys(); enumer.hasMoreElements();) {
String name = (String) enumer.nextElement();
clientInfoProps.put(name, properties.getProperty(name));
}
}
public String getClientInfo(String name) throws SQLException {
return clientInfoProps.getProperty(name);
}
public Properties getClientInfo() throws SQLException {
return clientInfoProps;
}
public Array createArrayOf(String typeName, Object[] elements) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public Struct createStruct(String typeName, Object[] attributes) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public void setSchema(String schema) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public String getSchema() throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public void abort(Executor executor) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public void setNetworkTimeout(Executor executor, int milliseconds) throws SQLException {
this.timeoutMilliseconds = milliseconds;
}
public int getNetworkTimeout() throws SQLException {
return this.timeoutMilliseconds;
}
public <T> T unwrap(Class<T> iface) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public boolean isWrapperFor(Class<?> iface) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
private TSDBJNIConnector connector = null;
protected Properties props = null;
private String catalog = null;
private TSDBDatabaseMetaData dbMetaData = null;
private Properties clientInfoProps = new Properties();
private int timeoutMilliseconds = 0;
private String tsCharSet = "";
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);
try {
this.setCatalog(dbName);
} catch (SQLException e) {
e.printStackTrace();
}
this.dbMetaData.setConnection(this);
}
public TSDBJNIConnector getConnection() {
return this.connector;
}
public Statement createStatement() throws SQLException {
if (!this.connector.isClosed()) {
return new TSDBStatement(this.connector);
} else {
throw new SQLException(TSDBConstants.FixErrMsg(TSDBConstants.JNI_CONNECTION_NULL));
}
}
public TSDBSubscribe subscribe(String topic, String sql, boolean restart) throws SQLException {
if (this.connector.isClosed()) {
throw new SQLException(TSDBConstants.FixErrMsg(TSDBConstants.JNI_CONNECTION_NULL));
}
long id = this.connector.subscribe(topic, sql, restart, 0);
if (id == 0) {
throw new SQLException(TSDBConstants.WrapErrMsg("failed to create subscription"));
}
return new TSDBSubscribe(this.connector, id);
}
public PreparedStatement prepareStatement(String sql) throws SQLException {
if (!this.connector.isClosed()) {
return new TSDBPreparedStatement(this.connector, sql);
} else {
throw new SQLException(TSDBConstants.FixErrMsg(TSDBConstants.JNI_CONNECTION_NULL));
}
}
public CallableStatement prepareCall(String sql) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public String nativeSQL(String sql) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public void setAutoCommit(boolean autoCommit) throws SQLException {
}
public boolean getAutoCommit() throws SQLException {
return true;
}
public void commit() throws SQLException {
}
public void rollback() throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public void close() throws SQLException {
if (this.connector != null && !this.connector.isClosed()) {
this.connector.closeConnection();
} else {
throw new SQLException(TSDBConstants.WrapErrMsg("connection is already closed!"));
}
}
public boolean isClosed() throws SQLException {
return this.connector.isClosed();
}
/**
* A connection's database is able to provide information describing its tables,
* its supported SQL grammar, its stored procedures, the capabilities of this
* connection, etc. This information is made available through a
* DatabaseMetaData object.
*
* @return a DatabaseMetaData object for this connection
* @throws SQLException if a database access error occurs
*/
public DatabaseMetaData getMetaData() throws SQLException {
return this.dbMetaData;
}
/**
* This readOnly option is not supported by TDengine. However, the method is intentionally left blank here to
* support HikariCP connection.
*
* @param readOnly
* @throws SQLException
*/
public void setReadOnly(boolean readOnly) throws SQLException {
}
public boolean isReadOnly() throws SQLException {
return true;
}
public void setCatalog(String catalog) throws SQLException {
this.catalog = catalog;
}
public String getCatalog() throws SQLException {
return this.catalog;
}
/**
* The transaction isolation level option is not supported by TDengine.
* This method is intentionally left empty to support HikariCP connection.
*
* @param level
* @throws SQLException
*/
public void setTransactionIsolation(int level) throws SQLException {
}
/**
* The transaction isolation level option is not supported by TDengine.
*
* @return
* @throws SQLException
*/
public int getTransactionIsolation() throws SQLException {
return Connection.TRANSACTION_NONE;
}
public SQLWarning getWarnings() throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public void clearWarnings() throws SQLException {
// left blank to support HikariCP connection
//todo: implement getWarnings according to the warning messages returned from TDengine
}
public Statement createStatement(int resultSetType, int resultSetConcurrency) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency)
throws SQLException {
// This method is implemented in the current way to support Spark
if (resultSetType != ResultSet.TYPE_FORWARD_ONLY) {
throw new SQLException(TSDBConstants.INVALID_VARIABLES);
}
if (resultSetConcurrency != ResultSet.CONCUR_READ_ONLY) {
throw new SQLException(TSDBConstants.INVALID_VARIABLES);
}
return this.prepareStatement(sql);
}
public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public Map<String, Class<?>> getTypeMap() throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public void setTypeMap(Map<String, Class<?>> map) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public void setHoldability(int holdability) throws SQLException {
// intentionally left empty to support druid connection pool.
}
/**
* the transaction is not supported by TDengine, so the opened ResultSet Objects will remain open
*
* @return
* @throws SQLException
*/
public int getHoldability() throws SQLException {
//intentionally left empty to support HikariCP connection.
return ResultSet.HOLD_CURSORS_OVER_COMMIT;
}
public Savepoint setSavepoint() throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public Savepoint setSavepoint(String name) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public void rollback(Savepoint savepoint) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public void releaseSavepoint(Savepoint savepoint) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public Statement createStatement(int resultSetType, int resultSetConcurrency, int resultSetHoldability)
throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency,
int resultSetHoldability) throws SQLException {
return this.prepareStatement(sql, resultSetType, resultSetConcurrency);
}
public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency,
int resultSetHoldability) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public PreparedStatement prepareStatement(String sql, int[] columnIndexes) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public PreparedStatement prepareStatement(String sql, String[] columnNames) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public Clob createClob() throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public Blob createBlob() throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public NClob createNClob() throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public SQLXML createSQLXML() throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public boolean isValid(int timeout) throws SQLException {
return !this.isClosed();
}
public void setClientInfo(String name, String value) throws SQLClientInfoException {
clientInfoProps.setProperty(name, value);
}
public void setClientInfo(Properties properties) throws SQLClientInfoException {
for (Enumeration<Object> enumer = properties.keys(); enumer.hasMoreElements(); ) {
String name = (String) enumer.nextElement();
clientInfoProps.put(name, properties.getProperty(name));
}
}
public String getClientInfo(String name) throws SQLException {
return clientInfoProps.getProperty(name);
}
public Properties getClientInfo() throws SQLException {
return clientInfoProps;
}
public Array createArrayOf(String typeName, Object[] elements) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public Struct createStruct(String typeName, Object[] attributes) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public void setSchema(String schema) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public String getSchema() throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public void abort(Executor executor) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public void setNetworkTimeout(Executor executor, int milliseconds) throws SQLException {
this.timeoutMilliseconds = milliseconds;
}
public int getNetworkTimeout() throws SQLException {
return this.timeoutMilliseconds;
}
public <T> T unwrap(Class<T> iface) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
public boolean isWrapperFor(Class<?> iface) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
}
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