Package io.trino.sql.planner.iterative.rule

Class UnwrapRowSubscript

java.lang.Object

io.trino.sql.planner.iterative.rule.ExpressionRewriteRuleSet

io.trino.sql.planner.iterative.rule.UnwrapRowSubscript

public class UnwrapRowSubscript
extends ExpressionRewriteRuleSet

Transforms expressions of the form ROW(x, y)[1] to x and CAST(ROW(x, y) AS row(f1 type1, f2 type2))[1] to CAST(x AS type1)

Nested Class Summary

Nested classes/interfaces inherited from class io.trino.sql.planner.iterative.rule.ExpressionRewriteRuleSet

ExpressionRewriteRuleSet.ExpressionRewriter

Constructor Summary

Constructors

Constructor	Description
UnwrapRowSubscript()

Method Summary

Methods inherited from class io.trino.sql.planner.iterative.rule.ExpressionRewriteRuleSet

aggregationExpressionRewrite, filterExpressionRewrite, joinExpressionRewrite, patternRecognitionExpressionRewrite, projectExpressionRewrite, rules, valuesExpressionRewrite

Methods inherited from class java.lang.Object

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

Constructor Details

UnwrapRowSubscript

public UnwrapRowSubscript()