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https://issues.apache.org/jira/browse/CALCITE-6966?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Mihai Budiu resolved CALCITE-6966.
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Fix Version/s: 1.40.0
Resolution: Fixed
Fixed in
https://github.com/apache/calcite/commit/8f1dce91b61309db67355fa62372cff45d9803e9
Thank you for your contribution [~jensen]
> Change JoinConditionOrExpansionRule name and accept more predicates that will
> allow the expansion to be performed
> -----------------------------------------------------------------------------------------------------------------
>
> Key: CALCITE-6966
> URL: https://issues.apache.org/jira/browse/CALCITE-6966
> Project: Calcite
> Issue Type: Improvement
> Reporter: Zhen Chen
> Assignee: Zhen Chen
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.40.0
>
>
> SQL:
> {code:java}
> select * from emp as t1 inner join emp as t2
> on (t1.empno=t2.empno
> and t1.empno > 100
> and t1.ename in ('a', 'bb', 'cc')
> and t1.sal > 120 and t1.sal < 3000)
> or
> (t1.deptno=t2.deptno
> and t2.empno > 200
> and t2.ename in ('a', 'bb', 'cc')
> and t2.sal > 110 and t2.sal < 3000) {code}
> Init plan:
> {code:java}
> LogicalProject(EMPNO=[$0], ENAME=[$1], JOB=[$2], MGR=[$3], HIREDATE=[$4],
> SAL=[$5], COMM=[$6], DEPTNO=[$7], SLACKER=[$8], EMPNO0=[$9], ENAME0=[$10],
> JOB0=[$11], MGR0=[$12], HIREDATE0=[$13], SAL0=[$14], COMM0=[$15],
> DEPTNO0=[$16], SLACKER0=[$17])
> LogicalJoin(condition=[OR(AND(=($0, $9), >($0, 100), SEARCH($1,
> Sarg['a':VARCHAR(20), 'bb':VARCHAR(20), 'cc':VARCHAR(20)]:VARCHAR(20)),
> SEARCH($5, Sarg[(120..3000)])), AND(=($7, $16), >($9, 200), SEARCH($10,
> Sarg['a':VARCHAR(20), 'bb':VARCHAR(20), 'cc':VARCHAR(20)]:VARCHAR(20)),
> SEARCH($14, Sarg[(110..3000)])))], joinType=[inner])
> LogicalTableScan(table=[[CATALOG, SALES, EMP]])
> LogicalTableScan(table=[[CATALOG, SALES, EMP]]) {code}
> can convert to:
> {code:java}
> LogicalProject(EMPNO=[$0], ENAME=[$1], JOB=[$2], MGR=[$3], HIREDATE=[$4],
> SAL=[$5], COMM=[$6], DEPTNO=[$7], SLACKER=[$8], EMPNO0=[$9], ENAME0=[$10],
> JOB0=[$11], MGR0=[$12], HIREDATE0=[$13], SAL0=[$14], COMM0=[$15],
> DEPTNO0=[$16], SLACKER0=[$17])
> LogicalUnion(all=[true])
> LogicalJoin(condition=[AND(=($0, $9), >($0, 100), SEARCH($1,
> Sarg['a':VARCHAR(20), 'bb':VARCHAR(20), 'cc':VARCHAR(20)]:VARCHAR(20)),
> SEARCH($5, Sarg[(120..3000)]))], joinType=[inner])
> LogicalTableScan(table=[[CATALOG, SALES, EMP]])
> LogicalTableScan(table=[[CATALOG, SALES, EMP]])
> LogicalJoin(condition=[AND(=($7, $16), >($9, 200), SEARCH($10,
> Sarg['a':VARCHAR(20), 'bb':VARCHAR(20), 'cc':VARCHAR(20)]:VARCHAR(20)),
> SEARCH($14, Sarg[(110..3000)]), OR(<>($0, $9), <=($0, 100), SEARCH($1,
> Sarg[(-∞..'a':VARCHAR(20)), ('a':VARCHAR(20)..'bb':VARCHAR(20)),
> ('bb':VARCHAR(20)..'cc':VARCHAR(20)), ('cc':VARCHAR(20)..+∞)]:VARCHAR(20)),
> SEARCH($5, Sarg[(-∞..120], [3000..+∞)])))], joinType=[inner])
> LogicalTableScan(table=[[CATALOG, SALES, EMP]])
> LogicalTableScan(table=[[CATALOG, SALES, EMP]]) {code}
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