drh
4b3ac73c2f
Minor cleanups of the compound-subquery flattening logic. New test cases
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added for joins the compound subquery.
FossilOrigin-Name: 5061d85ff934db3c217c97acbbbed3286d9e02aa
2011-12-10 23:18:32 +00:00
dan
38cc40c216
Experimental changes to improve optimization of DISTINCT queries.
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FossilOrigin-Name: f7ba0219ef2f235543c258be736955d91ca5ecce
2011-06-30 20:17:15 +00:00
drh
e8902a70fe
Disable the query flattening optimization when the subquery is a compound
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query with an ORDER BY clause. Ticket #3773 shows why that combination
does not work. (CVS 6437)
FossilOrigin-Name: 23f90d50737a36ebd17152dd4667948ce7049967
2009-04-02 16:59:47 +00:00
danielk1977
de3e41e304
Fix (make test) with SQLITE_OMIT_COMPOUND_SELECT. Ticket #3235 . (CVS 5530)
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FossilOrigin-Name: 9ca975c8fdeaae7d5af8fe62e097d8d251362cfe
2008-08-04 03:51:24 +00:00
drh
e8f52c5089
Remove leftover debugging commands (breakpoint and btree_breakpoint) from
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test scripts. (CVS 5400)
FossilOrigin-Name: dcb160249fa2d592ad09b8b0052102dc44a93511
2008-07-12 14:52:20 +00:00
danielk1977
80b3c54851
Fix a crash in flattenSubquery(). (CVS 5388)
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FossilOrigin-Name: 9c8b97ef593c17740640a01a7338164d7fbe070e
2008-07-10 17:59:12 +00:00
danielk1977
49fc1f60b0
Prevent the flattening optimization from transforming a to a query with an illegal ORDER BY clause. (CVS 5372)
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FossilOrigin-Name: 6c2adade34fdbe344cf73f6bac951e0c37dd003b
2008-07-08 17:43:56 +00:00
danielk1977
4914cf92e3
Fix errors in in.test. Also add a few tests to selectB.test. (CVS 5337)
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FossilOrigin-Name: 8f9d1abb315a3d4aa3a580fd5cf3ae572cc330f4
2008-07-01 18:26:49 +00:00
danielk1977
5e7ad50858
Fix another memory leak related to UNION ALL and sub-selects. (CVS 5336)
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FossilOrigin-Name: 56109b9a1f600ab3f16769aba0d47dcf782bbc95
2008-07-01 17:39:27 +00:00
danielk1977
eca7e01a71
Fix a memory leak to do with the recent UNION ALL sub-select optimization. (CVS 5333)
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FossilOrigin-Name: 6ee71f4ddb4fa934f58c87dad2d30560af2e55d7
2008-07-01 16:05:25 +00:00
danielk1977
4b86ef1d87
Fix a problem with LIMIT and OFFSET clauses on the parent query when optimizing a UNION ALL sub-select. (CVS 5332)
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FossilOrigin-Name: a79786a961dba8f4ffaddbe55e6467c14b12f7d6
2008-07-01 14:39:35 +00:00
danielk1977
f23329a221
Optimize sub-selects and views that use UNION ALL. This optimization isn't very well tested yet. (CVS 5331)
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FossilOrigin-Name: 3ef468e7046b2091b5b6880fe19261ef1ee2887b
2008-07-01 14:09:13 +00:00
