org.apache.seatunnel.connectors.seatunnel.cdc.sqlserver.source.utils

类 SqlServerUtils

java.lang.Object

org.apache.seatunnel.connectors.seatunnel.cdc.sqlserver.source.utils.SqlServerUtils

public class SqlServerUtils
extends Object

The utils for SqlServer data source.

构造器概要

构造器

构造器和说明
SqlServerUtils()

方法概要

限定符和类型	方法和说明
static String	buildSplitScanQuery(TableId tableId, SeaTunnelRowType rowType, boolean isFirstSplit, boolean isLastSplit) Get split scan query for the given table.
static io.debezium.connector.sqlserver.SqlServerDatabaseSchema	createSqlServerDatabaseSchema(io.debezium.connector.sqlserver.SqlServerConnectorConfig connectorConfig)
static LsnOffset	currentLsn(io.debezium.connector.sqlserver.SqlServerConnection connection) Fetch current largest log sequence number (LSN) of the database.
static Offset	getLsn(org.apache.kafka.connect.source.SourceRecord record)
static LsnOffset	getLsnPosition(Map<String,?> offset)
static SeaTunnelRowType	getSplitType(Column splitColumn)
static SeaTunnelRowType	getSplitType(Table table)
static long	queryApproximateRowCnt(io.debezium.jdbc.JdbcConnection jdbc, TableId tableId)
static Object	queryMin(io.debezium.jdbc.JdbcConnection jdbc, TableId tableId, String columnName, Object excludedLowerBound)
static Object[]	queryMinMax(io.debezium.jdbc.JdbcConnection jdbc, TableId tableId, String columnName)
static Object	queryNextChunkMax(io.debezium.jdbc.JdbcConnection jdbc, TableId tableId, String splitColumnName, int chunkSize, Object includedLowerBound) Returns the next LSN to be read from the database.
static String	quote(String dbOrTableName)
static String	quote(TableId tableId)
static PreparedStatement	readTableSplitDataStatement(io.debezium.jdbc.JdbcConnection jdbc, String sql, boolean isFirstSplit, boolean isLastSplit, Object[] splitStart, Object[] splitEnd, int primaryKeyNum, int fetchSize) Get table split data PreparedStatement.

从类继承的方法 java.lang.Object

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

构造器详细资料

SqlServerUtils

public SqlServerUtils()

方法详细资料

queryMinMax

public static Object[] queryMinMax(io.debezium.jdbc.JdbcConnection jdbc,
                                   TableId tableId,
                                   String columnName)
                            throws SQLException

抛出:

SQLException

queryApproximateRowCnt

public static long queryApproximateRowCnt(io.debezium.jdbc.JdbcConnection jdbc,
                                          TableId tableId)
                                   throws SQLException

抛出:

SQLException

queryMin

public static Object queryMin(io.debezium.jdbc.JdbcConnection jdbc,
                              TableId tableId,
                              String columnName,
                              Object excludedLowerBound)
                       throws SQLException

抛出:

SQLException

queryNextChunkMax

public static Object queryNextChunkMax(io.debezium.jdbc.JdbcConnection jdbc,
                                       TableId tableId,
                                       String splitColumnName,
                                       int chunkSize,
                                       Object includedLowerBound)
                                throws SQLException

Returns the next LSN to be read from the database. This is the LSN of the last record that was read from the database.

抛出:

SQLException

getSplitType

public static SeaTunnelRowType getSplitType(Table table)

getSplitType

public static SeaTunnelRowType getSplitType(Column splitColumn)

getLsn

public static Offset getLsn(org.apache.kafka.connect.source.SourceRecord record)

getLsnPosition

public static LsnOffset getLsnPosition(Map<String,?> offset)

currentLsn

public static LsnOffset currentLsn(io.debezium.connector.sqlserver.SqlServerConnection connection)

Fetch current largest log sequence number (LSN) of the database.

buildSplitScanQuery

public static String buildSplitScanQuery(TableId tableId,
                                         SeaTunnelRowType rowType,
                                         boolean isFirstSplit,
                                         boolean isLastSplit)

Get split scan query for the given table.

readTableSplitDataStatement

public static PreparedStatement readTableSplitDataStatement(io.debezium.jdbc.JdbcConnection jdbc,
                                                            String sql,
                                                            boolean isFirstSplit,
                                                            boolean isLastSplit,
                                                            Object[] splitStart,
                                                            Object[] splitEnd,
                                                            int primaryKeyNum,
                                                            int fetchSize)

Get table split data PreparedStatement.

createSqlServerDatabaseSchema

public static io.debezium.connector.sqlserver.SqlServerDatabaseSchema createSqlServerDatabaseSchema(io.debezium.connector.sqlserver.SqlServerConnectorConfig connectorConfig)

quote

public static String quote(String dbOrTableName)

quote

public static String quote(TableId tableId)