Package org.apache.flink.table.expressions

Class UnresolvedReferenceExpression

java.lang.Object
org.apache.flink.table.expressions.UnresolvedReferenceExpression
All Implemented Interfaces:
Serializable, org.apache.flink.table.expressions.Expression
@PublicEvolving public final class UnresolvedReferenceExpression extends Object implements org.apache.flink.table.expressions.Expression, Serializable
An unresolved reference to a field, table, or local reference.

This is a purely API facing expression that will be resolved into FieldReferenceExpression, LocalReferenceExpression, or TableReferenceExpression.

See Also:

  • Method Details

    • getName

      public String getName()

    • asSummaryString

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

    • 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