8210233c7b
Revise tests cases to align with the new EXPLAIN QUERY PLAN output.
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FossilOrigin-Name: 50fbd532602d2c316813046ed6be8be2991c281eb5f295c4c28520a0de73862c
2021-03-20 15:11:29 +00:00
b3f0276b9e
Fix test cases so that they work with the new EXPLAIN QUERY PLAN output
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format. Only some of the cases have been fixed. This is an incremental
check-in.
FossilOrigin-Name: 5f0e803e33aa557865d5fc830d9202d628de9a94c9757058ca48f1a560702cd3
2018-05-02 18:00:17 +00:00
5822d6feb2
Fix test cases for the new EXPLAIN QUERY PLAN format. Add the
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wherecosttest tool. Other fixes to logarithm cost.
FossilOrigin-Name: aa580e368e3c398b8377b80342dfdd906324c248
2013-06-10 23:30:09 +00:00
3f4d1d1b02
Attempt to use a covering index even on a full table scan, under the theory
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that the index will be smaller and require less disk I/O and thus be faster.
FossilOrigin-Name: cfaa7bc12847a7006ccc93815f2395ad5259744a
2012-09-15 18:45:54 +00:00
6a36f43586
Do not consider a DISTINCT clause redundant unless a subset of the result-set is collectively subject to a UNIQUE constraint and it can be guaranteed that all columns of the subset are NOT NULL (either due to NOT NULL constraints WHERE clause terms). Fix for [385a5b56b9].
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FossilOrigin-Name: 7b8548b1872cc1225355ba8311e93dd08d6526e2
2012-04-20 16:59:24 +00:00
