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[Enhancement] support insert local exchange in parttern exchange->join #52021

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@stdpain stdpain commented Oct 17, 2024

Why I'm doing:

set hash_join_interpolate_passthrough=true;
mysql>  select     count(lo_orderkey),count(y.k) from     lineorder l     right join (         select             s_suppkey
    from             supplier         where             s_suppkey < 2     ) r on l.lo_orderkey % 2 = r.s_suppkey     left join [
shuffl
+--------------------+------------+
| count(lo_orderkey) | count(y.k) |
+--------------------+------------+
|          300035459 |         12 |
+--------------------+------------+
1 row in set (4.01 sec)
set hash_join_interpolate_passthrough=false;

mysql>  select     count(lo_orderkey),count(y.k) from     lineorder l     right join (         select             s_suppkey
    from             supplier         where             s_suppkey < 2     ) r on l.lo_orderkey % 2 = r.s_suppkey     left join [shuffle](         select             "1" k         union all         select "1" k     ) y on y.k=lo_orderkey;
+--------------------+------------+
| count(lo_orderkey) | count(y.k) |
+--------------------+------------+
|          300035459 |         12 |
+--------------------+------------+
1 row in set (18.71 sec)

What I'm doing:

Fixes #issue

What type of PR is this:

  • BugFix
  • Feature
  • Enhancement
  • Refactor
  • UT
  • Doc
  • Tool

Does this PR entail a change in behavior?

  • Yes, this PR will result in a change in behavior.
  • No, this PR will not result in a change in behavior.

If yes, please specify the type of change:

  • Interface/UI changes: syntax, type conversion, expression evaluation, display information
  • Parameter changes: default values, similar parameters but with different default values
  • Policy changes: use new policy to replace old one, functionality automatically enabled
  • Feature removed
  • Miscellaneous: upgrade & downgrade compatibility, etc.

Checklist:

  • I have added test cases for my bug fix or my new feature
  • This pr needs user documentation (for new or modified features or behaviors)
    • I have added documentation for my new feature or new function
  • This is a backport pr

Bugfix cherry-pick branch check:

  • I have checked the version labels which the pr will be auto-backported to the target branch
    • 3.3
    • 3.2
    • 3.1
    • 3.0
    • 2.5

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sonarcloud bot commented Oct 18, 2024

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[Java-Extensions Incremental Coverage Report]

pass : 0 / 0 (0%)

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[FE Incremental Coverage Report]

pass : 10 / 11 (90.91%)

file detail

path covered_line new_line coverage not_covered_line_detail
🔵 com/starrocks/planner/NestLoopJoinNode.java 2 3 66.67% [131]
🔵 com/starrocks/sql/optimizer/rule/tree/JoinLocalShuffleRule.java 4 4 100.00% []
🔵 com/starrocks/sql/plan/PlanFragmentBuilder.java 1 1 100.00% []
🔵 com/starrocks/sql/optimizer/operator/physical/PhysicalJoinOperator.java 3 3 100.00% []

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[BE Incremental Coverage Report]

fail : 3 / 5 (60.00%)

file detail

path covered_line new_line coverage not_covered_line_detail
🔵 be/src/exec/cross_join_node.cpp 3 5 60.00% [627, 628]

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