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Julian Hyde commented on CALCITE-1338: -------------------------------------- OK, I saw you changed the description back again. I added the "noformat" tags so that we can actually see the indentation in JIRA. > JoinProjectTransposeRule makes wrong transformation when the right child of > left outer join has a RexLiteral project expression. > -------------------------------------------------------------------------------------------------------------------------------- > > Key: CALCITE-1338 > URL: https://issues.apache.org/jira/browse/CALCITE-1338 > Project: Calcite > Issue Type: Bug > Components: core > Reporter: YI XINGLU > Assignee: Julian Hyde > > # SQL: > SELECT * > FROM dept a > LEFT JOIN ( > SELECT b.name, 1 FROM dept b > ) AS b > ON a.name=b.name > # Selected rule set: > SubQueryRemoveRule.JOIN > JoinProjectTransposeRule.RIGHT_PROJECT_INCLUDE_OUTER > # Optimized logical plan: > LogicalProject(DEPTNO=[$0], NAME=[$1], NAME0=[$2], EXPR$1=[$3]) > LogicalProject(DEPTNO=[$0], NAME=[$1], NAME0=[$2], > EXPR$1=[CAST($3):INTEGER]) > LogicalProject(DEPTNO=[$0], NAME=[$1], NAME0=[$3], EXPR$1=[1]) > LogicalJoin(condition=[=($3, $1)], joinType=[left]) > LogicalTableScan(table=[[CATALOG, SALES, DEPT]]) > LogicalTableScan(table=[[CATALOG, SALES, DEPT]]) > # The right logical plan should be > LogicalProject(DEPTNO=[$0], NAME=[$1], NAME0=[$2], EXPR$1=[$3]) > LogicalJoin(condition=[=($2, $1)], joinType=[left]) > LogicalTableScan(table=[[CATALOG, SALES, DEPT]]) > LogicalProject(NAME=[$1], EXPR$1=[1]) > LogicalTableScan(table=[[CATALOG, SALES, DEPT]]) > # Summary > The RexLiteral project expression will make logical plan get different > results when it's right child or parent node of left outer join. -- This message was sent by Atlassian JIRA (v6.3.4#6332)