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Dongjoon Hyun updated SPARK-16174: ---------------------------------- Description: This issue improves `OptimizeIn` optimizer to remove the deterministic repetitions from SQL `IN` predicates. This optimizer prevents user mistakes and also can optimize some queries like [TPCDS-36|https://github.com/apache/spark/blob/master/sql/core/src/test/resources/tpcds/q36.sql#L19]. (was: This issue adds an optimizer to remove the duplicated literals from SQL `IN` predicates. This optimizer prevents user mistakes and also can optimize some queries like [TPCDS-36|https://github.com/apache/spark/blob/master/sql/core/src/test/resources/tpcds/q36.sql#L19].) Summary: Improve OptimizeIn optimizer to remove deterministic repetitions (was: Add RemoveLiteralRepetitionFromIn optimizer) > Improve OptimizeIn optimizer to remove deterministic repetitions > ---------------------------------------------------------------- > > Key: SPARK-16174 > URL: https://issues.apache.org/jira/browse/SPARK-16174 > Project: Spark > Issue Type: Improvement > Components: SQL > Reporter: Dongjoon Hyun > Priority: Minor > > This issue improves `OptimizeIn` optimizer to remove the deterministic > repetitions from SQL `IN` predicates. This optimizer prevents user mistakes > and also can optimize some queries like > [TPCDS-36|https://github.com/apache/spark/blob/master/sql/core/src/test/resources/tpcds/q36.sql#L19]. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org