Package org.apache.flink.table.planner.operations

Class DeletePushDownUtils

java.lang.Object
org.apache.flink.table.planner.operations.DeletePushDownUtils
public class DeletePushDownUtils extends Object
A utility class for delete push down.

  • Constructor Summary

    Constructors
    Constructor
    Description
    DeletePushDownUtils()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    static Optional<org.apache.flink.table.connector.sink.DynamicTableSink>
    getDynamicTableSink(org.apache.flink.table.catalog.ContextResolvedTable contextResolvedTable, org.apache.calcite.rel.logical.LogicalTableModify tableModify)
    Get the DynamicTableSink for the table to be modified.
    static Optional<List<org.apache.flink.table.expressions.ResolvedExpression>>
    getResolvedFilterExpressions(org.apache.calcite.rel.logical.LogicalTableModify tableModify)
    Get the resolved filter expressions from the WHERE clause in DELETE statement, return Optional.empty() if WHERE clause contains sub-query.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • DeletePushDownUtils

      public DeletePushDownUtils()

  • Method Details

    • getDynamicTableSink

      public static Optional<org.apache.flink.table.connector.sink.DynamicTableSink> getDynamicTableSink(org.apache.flink.table.catalog.ContextResolvedTable contextResolvedTable, org.apache.calcite.rel.logical.LogicalTableModify tableModify)
      Get the DynamicTableSink for the table to be modified. Return Optional.empty() if it can't get the DynamicTableSink.

    • getResolvedFilterExpressions

      public static Optional<List<org.apache.flink.table.expressions.ResolvedExpression>> getResolvedFilterExpressions(org.apache.calcite.rel.logical.LogicalTableModify tableModify)
      Get the resolved filter expressions from the WHERE clause in DELETE statement, return Optional.empty() if WHERE clause contains sub-query.