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[Enhancement] support insert local exchange in parttern exchange->join (backport #52021) #52250

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merged 2 commits into from
Nov 14, 2024

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@mergify mergify bot commented Oct 23, 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

This is an automatic backport of pull request #52021 done by [Mergify](https://mergify.com). ## 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

stdpain
stdpain previously approved these changes Oct 23, 2024
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@wanpengfei-git wanpengfei-git merged commit bf88899 into branch-3.2 Nov 14, 2024
28 of 29 checks passed
@wanpengfei-git wanpengfei-git deleted the mergify/bp/branch-3.2/pr-52021 branch November 14, 2024 12:33
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