Class RemoveDuplicateConditions
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- io.prestosql.sql.planner.iterative.rule.ExpressionRewriteRuleSet
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- io.prestosql.sql.planner.iterative.rule.RemoveDuplicateConditions
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public class RemoveDuplicateConditions extends ExpressionRewriteRuleSet
Flattens and removes duplicate conjuncts or disjuncts. E.g.,a = 1 AND a = 1
rewrites to:
a = 1
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Nested Class Summary
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Nested classes/interfaces inherited from class io.prestosql.sql.planner.iterative.rule.ExpressionRewriteRuleSet
ExpressionRewriteRuleSet.ExpressionRewriter
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Constructor Summary
Constructors Constructor Description RemoveDuplicateConditions(Metadata metadata)
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Method Summary
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Methods inherited from class io.prestosql.sql.planner.iterative.rule.ExpressionRewriteRuleSet
aggregationExpressionRewrite, filterExpressionRewrite, joinExpressionRewrite, projectExpressionRewrite, rules, valuesExpressionRewrite
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Constructor Detail
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RemoveDuplicateConditions
public RemoveDuplicateConditions(Metadata metadata)
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