org.apache.beam.sdk.extensions.sql.zetasql

Interface SqlOperatorRewriter

All Known Implementing Classes:

SqlCaseWithValueOperatorRewriter, SqlCoalesceOperatorRewriter, SqlExtractTimestampOperatorRewriter, SqlIfNullOperatorRewriter, SqlNullIfOperatorRewriter

public interface SqlOperatorRewriter

Interface for rewriting calls a specific ZetaSQL operator.

Method Summary

Modifier and Type	Method and Description
org.apache.calcite.rex.RexNode	apply(org.apache.calcite.rex.RexBuilder rexBuilder, java.util.List<org.apache.calcite.rex.RexNode> operands) Create and return a new RexNode that represents a call to this operator with the specified operands.

Method Detail

apply

org.apache.calcite.rex.RexNode apply(org.apache.calcite.rex.RexBuilder rexBuilder,
                                     java.util.List<org.apache.calcite.rex.RexNode> operands)

Create and return a new RexNode that represents a call to this operator with the specified operands.

Parameters:

rexBuilder - A RexBuilder instance to use for creating new RexNodes

operands - The original list of RexNode operands passed to this operator call

Returns:

The created RexNode