Package org.apache.flink.table.expressions

Class LocalReferenceExpression

java.lang.Object
org.apache.flink.table.expressions.LocalReferenceExpression
All Implemented Interfaces:
org.apache.flink.table.expressions.Expression, org.apache.flink.table.expressions.ResolvedExpression
@Internal public class LocalReferenceExpression extends Object implements org.apache.flink.table.expressions.ResolvedExpression
Reference to entity local to a certain QueryOperation. That entity does not come from any of the Operations input. It might be for example a group window in window aggregation.

  • Method Details

    • getName

      public String getName()

    • getOutputDataType

      public org.apache.flink.table.types.DataType getOutputDataType()
      Specified by:
      getOutputDataType in interface org.apache.flink.table.expressions.ResolvedExpression

    • getResolvedChildren

      public List<org.apache.flink.table.expressions.ResolvedExpression> getResolvedChildren()
      Specified by:
      getResolvedChildren in interface org.apache.flink.table.expressions.ResolvedExpression

    • asSummaryString

      public String asSummaryString()
      Specified by:
      asSummaryString in interface org.apache.flink.table.expressions.Expression

    • asSerializableString

      public String asSerializableString()
      Specified by:
      asSerializableString in interface org.apache.flink.table.expressions.ResolvedExpression

    • getChildren

      public List<org.apache.flink.table.expressions.Expression> getChildren()
      Specified by:
      getChildren in interface org.apache.flink.table.expressions.Expression

    • accept

      public <R> R accept(org.apache.flink.table.expressions.ExpressionVisitor<R> visitor)
      Specified by:
      accept in interface org.apache.flink.table.expressions.Expression

    • equals

      public boolean equals(Object o)
      Overrides:
      equals in class Object

    • hashCode

      public int hashCode()
      Overrides:
      hashCode in class Object

    • toString

      public String toString()
      Overrides:
      toString in class Object