[
https://issues.apache.org/jira/browse/CALCITE-6880?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
ASF GitHub Bot updated CALCITE-6880:
------------------------------------
Labels: pull-request-available (was: )
> Implement IntersectToSemiJoinRule
> ---------------------------------
>
> Key: CALCITE-6880
> URL: https://issues.apache.org/jira/browse/CALCITE-6880
> Project: Calcite
> Issue Type: Improvement
> Reporter: Zhen Chen
> Assignee: Zhen Chen
> Priority: Major
> Labels: pull-request-available
>
> Do we need IntersectToSemiJoinRule? like this:
> from:
> {code:java}
> LogicalIntersect(all=[false])
> LogicalProject(EMPNO=[$0], ENAME=[$1], JOB=[$2], MGR=[$3], HIREDATE=[$4],
> SAL=[$5], COMM=[$6], DEPTNO=[$7], SLACKER=[$8])
> LogicalFilter(condition=[=($7, 10)])
> LogicalTableScan(table=[[CATALOG, SALES, EMP]])
> LogicalProject(EMPNO=[$0], ENAME=[$1], JOB=[$2], MGR=[$3], HIREDATE=[$4],
> SAL=[$5], COMM=[$6], DEPTNO=[$7], SLACKER=[$8])
> LogicalFilter(condition=[=($7, 20)])
> LogicalTableScan(table=[[CATALOG, SALES, EMP]]) {code}
> to:
> {code:java}
> LogicalJoin(condition=[AND(=($0, $9), =($1, $10), =($2, $11), =($3, $12),
> =($4, $13), =($5, $14), =($6, $15), =($7, $16), =($8, $17))], joinType=[semi])
> LogicalProject(EMPNO=[$0], ENAME=[$1], JOB=[$2], MGR=[$3], HIREDATE=[$4],
> SAL=[$5], COMM=[$6], DEPTNO=[$7], SLACKER=[$8])
> LogicalFilter(condition=[=($7, 10)])
> LogicalTableScan(table=[[CATALOG, SALES, EMP]])
> LogicalProject(EMPNO=[$0], ENAME=[$1], JOB=[$2], MGR=[$3], HIREDATE=[$4],
> SAL=[$5], COMM=[$6], DEPTNO=[$7], SLACKER=[$8])
> LogicalFilter(condition=[=($7, 20)])
> LogicalTableScan(table=[[CATALOG, SALES, EMP]]) {code}
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
