zhouqingqing / qpmodel
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zhouqingqing 
Realize MarkJoin as HashJoin for IN/NOT IN subqueries (issue #272)

Replace nested-loop execution with hash-based execution for IN/NOT IN
derived MarkJoin. Hash on correlation (residual) keys, then evaluate
the marker predicate per-row for three-valued NULL logic. Falls back
to nested loop when no hashable residual keys exist. EXISTS/NOT EXISTS
MarkJoin continues to use nested loop.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

4831 of 5711 branches covered (84.59%)

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158 of 166 new or added lines in 1 file covered. (95.18%)

1 existing line in 1 file now uncovered.

11512 of 12461 relevant lines covered (92.38%)

2866316.48 hits per line

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2866316.48 HITS PER LINE
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Builds Branch Commit Type Ran Committer Via Coverage
24484307801 master Realize MarkJoin as HashJoin for IN/NOT IN subqueries (issue #272) Replace nested-loop execution with hash-based execution for IN/NOT IN derived MarkJoin. Hash on correlation (residual) keys, then evaluate the marker predicate per-row for three-v... push zhouqingqing github
89.94
24426372726 fix-hashjoin-markjoin Merge ab50793fe into 652945181 Pull #323 web-flow github
89.94
24424533381 master Fix OR handling in inToMarkJoin and scalarToSingleJoin (issue #271) Previously only existsToMarkJoin handled OR expressions correctly. When a correlated IN subquery or scalar subquery appeared inside an OR expression (e.g., "a1 IN (select ...) OR... push zhouqingqing github
89.96
24423956310 fix-or-in-subquery Merge 62fed794b into a5a55dc66 Pull #322 web-flow github
89.96
24411121347 fix-or-in-subquery Merge c8bb76ef3 into a5a55dc66 Pull #322 web-flow github
89.96
24410550563 fix-like-const-folding Merge b34577300 into a5a55dc66 Pull #321 web-flow github
89.97
24360745217 master Fix CROSS JOIN crash and LEFT JOIN filter pushdown - Fix CROSS JOIN and NATURAL JOIN NullReferenceException when join has no ON clause (null constraint handling in parser and plan) - Fix LEFT JOIN filter pushdown: WHERE filters on the null-supp... push zhouqingqing github
89.96
24359868077 fix-like-const-folding Merge 79eb2b8b4 into 274f5be81 Pull #320 web-flow github
89.96
24357514461 fix-like-const-folding Merge 2516f1d3a into 274f5be81 Pull #320 web-flow github
89.97
24357291937 fix-like-const-folding Merge 4e52931d7 into 274f5be81 Pull #320 web-flow github
89.91
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