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Posted to issues@ignite.apache.org by "Roman Kondakov (Jira)" <ji...@apache.org> on 2020/04/19 11:42:00 UTC
[jira] [Created] (IGNITE-12914) Calcite integration: Add aggregate
project merge rule to the planner
Roman Kondakov created IGNITE-12914:
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Summary: Calcite integration: Add aggregate project merge rule to the planner
Key: IGNITE-12914
URL: https://issues.apache.org/jira/browse/IGNITE-12914
Project: Ignite
Issue Type: Improvement
Components: sql
Reporter: Roman Kondakov
We need to add next rules to planner
* FilterJoinRule,
* JoinAddRedundantSemiJoinRule,
* SemiJoinRemoveRule
In order to be able to make this transformation for the query:
{noformat}
"select e.ename from emp e, dept d\n"
+ "where e.deptno = d.deptno"
BEFORE=
LogicalProject(ENAME=[$1])
LogicalFilter(condition=[=($3, $5)])
LogicalJoin(condition=[true], joinType=[inner])
IgniteTableScan(table=[[PUBLIC, EMP]])
IgniteTableScan(table=[[PUBLIC, DEPT]])
AFTER=
IgniteProject(ENAME=[$1])
IgniteJoin(condition=[=($3, $5)], joinType=[inner])
IgniteTableScan(table=[[PUBLIC, EMP]])
IgniteTableScan(table=[[PUBLIC, DEPT]])
{noformat}
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