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

类 SqlServerChunkSplitter

java.lang.Object

org.apache.seatunnel.connectors.seatunnel.cdc.sqlserver.source.source.eumerator.SqlServerChunkSplitter

所有已实现的接口:

ChunkSplitter, JdbcSourceChunkSplitter

public class SqlServerChunkSplitter
extends Object
implements JdbcSourceChunkSplitter

The ChunkSplitter used to split table into a set of chunks for JDBC data source.

构造器概要

构造器

构造器和说明
SqlServerChunkSplitter(JdbcSourceConfig sourceConfig, JdbcDataSourceDialect dialect)

方法概要

限定符和类型	方法和说明
String	buildSplitScanQuery(TableId tableId, SeaTunnelRowType splitKeyType, boolean isFirstSplit, boolean isLastSplit)
SeaTunnelDataType<?>	fromDbzColumn(Column splitColumn)
Collection<SnapshotSplit>	generateSplits(TableId tableId)
static Column	getSplitColumn(Table table)
Long	queryApproximateRowCnt(io.debezium.jdbc.JdbcConnection jdbc, TableId tableId)
Object	queryMin(io.debezium.jdbc.JdbcConnection jdbc, TableId tableId, String columnName, Object excludedLowerBound)
Object[]	queryMinMax(io.debezium.jdbc.JdbcConnection jdbc, TableId tableId, String columnName)
Object	queryNextChunkMax(io.debezium.jdbc.JdbcConnection jdbc, TableId tableId, String columnName, int chunkSize, Object includedLowerBound)

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.seatunnel.connectors.cdc.base.source.enumerator.splitter.JdbcSourceChunkSplitter

getSplitType, isEvenlySplitColumn

构造器详细资料

SqlServerChunkSplitter

public SqlServerChunkSplitter(JdbcSourceConfig sourceConfig,
                              JdbcDataSourceDialect dialect)

方法详细资料

generateSplits

public Collection<SnapshotSplit> generateSplits(TableId tableId)

指定者:

generateSplits 在接口中 ChunkSplitter

指定者:

generateSplits 在接口中 JdbcSourceChunkSplitter

queryMinMax

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

指定者:

queryMinMax 在接口中 JdbcSourceChunkSplitter

抛出:

SQLException

queryMin

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

指定者:

queryMin 在接口中 JdbcSourceChunkSplitter

抛出:

SQLException

queryNextChunkMax

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

指定者:

queryNextChunkMax 在接口中 JdbcSourceChunkSplitter

抛出:

SQLException

queryApproximateRowCnt

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

指定者:

queryApproximateRowCnt 在接口中 JdbcSourceChunkSplitter

抛出:

SQLException

buildSplitScanQuery

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

指定者:

buildSplitScanQuery 在接口中 JdbcSourceChunkSplitter

fromDbzColumn

public SeaTunnelDataType<?> fromDbzColumn(Column splitColumn)

指定者:

fromDbzColumn 在接口中 JdbcSourceChunkSplitter

getSplitColumn

public static Column getSplitColumn(Table table)