vdiravka commented on a change in pull request #1466: DRILL-6381: Add support
for index based planning and execution
URL: https://github.com/apache/drill/pull/1466#discussion_r223683219
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File path:
exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillMergeProjectRule.java
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@@ -166,4 +169,25 @@ public void onMatch(RelOptRuleCall call) {
return list;
}
+ public static Project replace(Project topProject, Project bottomProject) {
Review comment:
Can `ProjectAllowDup` and `Project` rels be merged?
For instance:
`00-01 ProjectAllowDup(MONTHID=[$0], NOFOCONTRACTS=[$1]) : rowType =
RecordType(INTEGER MONTHID, INTEGER NOFOCONTRACTS)`
`00-02 Project(MonthId=[CAST($1):INTEGER], No of
Contracts=[CAST($2):INTEGER]) : rowType = RecordType(INTEGER MonthId, INTEGER
No of Contracts)`
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