类 DynamicChunkSplitter
- java.lang.Object
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- org.apache.seatunnel.connectors.seatunnel.jdbc.source.ChunkSplitter
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- org.apache.seatunnel.connectors.seatunnel.jdbc.source.DynamicChunkSplitter
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- 所有已实现的接口:
Serializable,AutoCloseable
public class DynamicChunkSplitter extends ChunkSplitter
- 另请参阅:
- 序列化表格
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嵌套类概要
嵌套类 修饰符和类型 类 说明 static classDynamicChunkSplitter.ChunkRange
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字段概要
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从类继承的字段 org.apache.seatunnel.connectors.seatunnel.jdbc.source.ChunkSplitter
config, connectionProvider, jdbcDialect
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构造器概要
构造器 构造器 说明 DynamicChunkSplitter(JdbcSourceConfig config)
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方法概要
所有方法 静态方法 实例方法 具体方法 修饰符和类型 方法 说明 protected Collection<JdbcSourceSplit>createSplits(JdbcSourceTable table, org.apache.seatunnel.api.table.type.SeaTunnelRowType splitKey)protected PreparedStatementcreateSplitStatement(JdbcSourceSplit split, org.apache.seatunnel.api.table.catalog.TableSchema schema)static List<DynamicChunkSplitter.ChunkRange>efficientShardingThroughSampling(org.apache.seatunnel.api.table.catalog.TablePath tablePath, Object[] sampleData, long approximateRowCnt, int shardCount)-
从类继承的方法 org.apache.seatunnel.connectors.seatunnel.jdbc.source.ChunkSplitter
close, create, createPreparedStatement, createSingleSplit, createSingleSplitStatement, createSplitId, findSplitKey, generateSplits, generateSplitStatement, getOrEstablishConnection, isSupportSplitColumn, queryMin, queryMinMax
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构造器详细资料
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DynamicChunkSplitter
public DynamicChunkSplitter(JdbcSourceConfig config)
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方法详细资料
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createSplits
protected Collection<JdbcSourceSplit> createSplits(JdbcSourceTable table, org.apache.seatunnel.api.table.type.SeaTunnelRowType splitKey) throws Exception
- 指定者:
createSplits在类中ChunkSplitter- 抛出:
Exception
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createSplitStatement
protected PreparedStatement createSplitStatement(JdbcSourceSplit split, org.apache.seatunnel.api.table.catalog.TableSchema schema) throws SQLException
- 指定者:
createSplitStatement在类中ChunkSplitter- 抛出:
SQLException
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efficientShardingThroughSampling
public static List<DynamicChunkSplitter.ChunkRange> efficientShardingThroughSampling(org.apache.seatunnel.api.table.catalog.TablePath tablePath, Object[] sampleData, long approximateRowCnt, int shardCount)
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