com.taosdata.jdbc

Class TSDBJNIConnector

java.lang.Object

com.taosdata.jdbc.TSDBJNIConnector

Direct Known Subclasses:

TMQConnector

public class TSDBJNIConnector
extends Object

JNI connector

Field Summary

Fields

Modifier and Type	Field and Description
protected long	taos

Constructor Summary

Constructors

Constructor and Description
TSDBJNIConnector()

Method Summary

Modifier and Type	Method and Description
void	addBatch(long stmt)
void	bindColumnDataArray(long stmt, ByteBuffer colDataList, ByteBuffer lengthList, ByteBuffer isNullList, int type, int bytes, int numOfRows, int columnIndex)
void	closeBatch(long stmt)
void	closeConnection() Execute close operation from C to release connection pointer by JNI
boolean	connect(String host, int port, String dbName, String user, String password)
void	executeBatch(long stmt)
long	executeQuery(String sql) Execute DML/DDL operation
long	executeQuery(String sql, Long reqId)
int	fetchBlock(long resultSet, TSDBResultSetBlockData blockData)
int	fetchRow(long resultSet, TSDBResultSetRowData rowData) Get one row data
int	freeResultSet(long pSql) Free result set operation from C to release result set pointer by JNI
int	getAffectedRows(long pSql) Get affected rows count
int	getErrCode(long pSql) Get recent error code by connection
String	getErrMsg(long pSql) Get recent error message by connection
int	getResultTimePrecision(long sqlObj) Get Result Time Precision.
int	getSchemaMetaData(long resultSet, List<ColumnMetaData> columnMetaData) Get schema metadata
int	getTableVGroupID(String db, String table) VGroupID
static void	init(Properties props)
void	insertLines(String[] lines, SchemalessProtocolType protocolType, SchemalessTimestampType timestampType)
void	insertLinesWithReqId(String[] lines, SchemalessProtocolType protocolType, SchemalessTimestampType timestampType, long reqId)
void	insertLinesWithTtl(String[] lines, SchemalessProtocolType protocolType, SchemalessTimestampType timestampType, int ttl)
void	insertLinesWithTtlAndReqId(String[] lines, SchemalessProtocolType protocolType, SchemalessTimestampType timestampType, int ttl, long reqId)
int	insertRaw(String line, SchemalessProtocolType protocolType, SchemalessTimestampType timestampType)
int	insertRawWithReqId(String line, SchemalessProtocolType protocolType, SchemalessTimestampType timestampType, long reqId)
int	insertRawWithTtl(String line, SchemalessProtocolType protocolType, SchemalessTimestampType timestampType, int ttl)
int	insertRawWithTtlAndReqId(String line, SchemalessProtocolType protocolType, SchemalessTimestampType timestampType, int ttl, long reqId)
boolean	isClosed()
boolean	isResultsetClosed()
boolean	isUpdateQuery(long pSql)
long	prepareStmt(String sql)
long	prepareStmt(String sql, Long reqId)
void	setBindTableName(long stmt, String tableName)
void	setBindTableNameAndTags(long stmt, String tableName, int numOfTags, ByteBuffer tags, ByteBuffer typeList, ByteBuffer lengthList, ByteBuffer nullList)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

taos

protected long taos

Constructor Detail

TSDBJNIConnector

public TSDBJNIConnector()

Method Detail

init

public static void init(Properties props)
                 throws SQLWarning

Throws:

SQLWarning

connect

public boolean connect(String host,
                       int port,
                       String dbName,
                       String user,
                       String password)
                throws SQLException

Throws:

SQLException

executeQuery

public long executeQuery(String sql)
                  throws SQLException

Execute DML/DDL operation

Throws:

SQLException

executeQuery

public long executeQuery(String sql,
                         Long reqId)
                  throws SQLException

Throws:

SQLException

getErrCode

public int getErrCode(long pSql)

Get recent error code by connection

getErrMsg

public String getErrMsg(long pSql)

Get recent error message by connection

isUpdateQuery

public boolean isUpdateQuery(long pSql)

isClosed

public boolean isClosed()

isResultsetClosed

public boolean isResultsetClosed()

freeResultSet

public int freeResultSet(long pSql)

Free result set operation from C to release result set pointer by JNI

getAffectedRows

public int getAffectedRows(long pSql)

Get affected rows count

getSchemaMetaData

public int getSchemaMetaData(long resultSet,
                             List<ColumnMetaData> columnMetaData)

Get schema metadata

fetchRow

public int fetchRow(long resultSet,
                    TSDBResultSetRowData rowData)

Get one row data

fetchBlock

public int fetchBlock(long resultSet,
                      TSDBResultSetBlockData blockData)

getResultTimePrecision

public int getResultTimePrecision(long sqlObj)

Get Result Time Precision.

Returns:

0: ms, 1: us, 2: ns

closeConnection

public void closeConnection()
                     throws SQLException

Execute close operation from C to release connection pointer by JNI

Throws:

SQLException

prepareStmt

public long prepareStmt(String sql)
                 throws SQLException

Throws:

SQLException

prepareStmt

public long prepareStmt(String sql,
                        Long reqId)
                 throws SQLException

Throws:

SQLException

setBindTableName

public void setBindTableName(long stmt,
                             String tableName)
                      throws SQLException

Throws:

SQLException

setBindTableNameAndTags

public void setBindTableNameAndTags(long stmt,
                                    String tableName,
                                    int numOfTags,
                                    ByteBuffer tags,
                                    ByteBuffer typeList,
                                    ByteBuffer lengthList,
                                    ByteBuffer nullList)
                             throws SQLException

Throws:

SQLException

bindColumnDataArray

public void bindColumnDataArray(long stmt,
                                ByteBuffer colDataList,
                                ByteBuffer lengthList,
                                ByteBuffer isNullList,
                                int type,
                                int bytes,
                                int numOfRows,
                                int columnIndex)
                         throws SQLException

Throws:

SQLException

executeBatch

public void executeBatch(long stmt)
                  throws SQLException

Throws:

SQLException

addBatch

public void addBatch(long stmt)
              throws SQLException

Throws:

SQLException

closeBatch

public void closeBatch(long stmt)
                throws SQLException

Throws:

SQLException

insertLines

public void insertLines(String[] lines,
                        SchemalessProtocolType protocolType,
                        SchemalessTimestampType timestampType)
                 throws SQLException

Throws:

SQLException

insertLinesWithReqId

public void insertLinesWithReqId(String[] lines,
                                 SchemalessProtocolType protocolType,
                                 SchemalessTimestampType timestampType,
                                 long reqId)
                          throws SQLException

Throws:

SQLException

insertLinesWithTtl

public void insertLinesWithTtl(String[] lines,
                               SchemalessProtocolType protocolType,
                               SchemalessTimestampType timestampType,
                               int ttl)
                        throws SQLException

Throws:

SQLException

insertLinesWithTtlAndReqId

public void insertLinesWithTtlAndReqId(String[] lines,
                                       SchemalessProtocolType protocolType,
                                       SchemalessTimestampType timestampType,
                                       int ttl,
                                       long reqId)
                                throws SQLException

Throws:

SQLException

insertRaw

public int insertRaw(String line,
                     SchemalessProtocolType protocolType,
                     SchemalessTimestampType timestampType)
              throws SQLException

Throws:

SQLException

insertRawWithReqId

public int insertRawWithReqId(String line,
                              SchemalessProtocolType protocolType,
                              SchemalessTimestampType timestampType,
                              long reqId)
                       throws SQLException

Throws:

SQLException

insertRawWithTtl

public int insertRawWithTtl(String line,
                            SchemalessProtocolType protocolType,
                            SchemalessTimestampType timestampType,
                            int ttl)
                     throws SQLException

Throws:

SQLException

insertRawWithTtlAndReqId

public int insertRawWithTtlAndReqId(String line,
                                    SchemalessProtocolType protocolType,
                                    SchemalessTimestampType timestampType,
                                    int ttl,
                                    long reqId)
                             throws SQLException

Throws:

SQLException

getTableVGroupID

public int getTableVGroupID(String db,
                            String table)
                     throws SQLException

VGroupID

Throws:

SQLException