c701d17366
Improvements to the EXPLAIN QUERY PLAN output for EXISTS-to-JOIN.
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FossilOrigin-Name: 6b1ecbaa2ee405be040901dceac45d027d35c313622748ba4dbbd404e297a7fa
2025-07-06 01:19:09 +00:00
8bc112e3e4
Enhance the EXISTS-to-JOIN optimization so that it works on EXISTS subqueries
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that do not have a WHERE clause, and so that it works on nested EXISTS
subqueries.
FossilOrigin-Name: c1d5295724f9cf7f49e0786d28016eff2d268a2b670f934d24c76787626089db
2025-07-05 23:33:21 +00:00
aa54d7a0ca
Merge in the exists-to-join optimization that has been modified
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to relax the requirement of having an indexed join constraint.
FossilOrigin-Name: 1c1aef2b7feae29066d0330699ab634ef41f5b60cdcd479a60cb1a5409553138
2025-07-02 20:46:02 +00:00
0d92e66dfc
Do not attempt the exists-to-join optimization for expressions from the ON clause of joins.
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FossilOrigin-Name: 4666433cbd9af21c2e0440b10bcb39878624a39485e2bb514553b276acb8a401
2024-06-12 17:01:00 +00:00
df77e56cde
Add missing calls to sqlite3exprSkipCollateAndLikely() to the enchancement on this branch.
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FossilOrigin-Name: 078537d057d638389e3ab3bc04bcac53f342c7bf1d8d75222296ef42d09e9ee7
2024-06-10 19:45:33 +00:00
dc9a262319
Fix a crash that could occur when the SELECT in an EXISTS(SELECT ...) used an unknown collation sequence.
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FossilOrigin-Name: f3009a6d7facd1ead520d588c5ad089db76d8641cd3dae076f2405492d7defcd
2024-06-10 19:31:18 +00:00
b111f1cb2a
Add extra tests for the changes on this branch.
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FossilOrigin-Name: a6365c778f2a6d6fa78e8520553373898f382ce73bf6496533e26291648ef5d1
2024-06-08 18:13:12 +00:00
5525ac1049
Experimental optimization to rewrite a SELECT with an EXISTS(...) expression in the WHERE clause as a join.
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FossilOrigin-Name: 972a33db0b0e924b78d5309d222d8ea298bd59c72da14ea2d14e8e2caaad1e0a
2024-06-07 21:00:42 +00:00
