drh
68262d85ec
New test case for ticket [b899b6042f97f52d].
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FossilOrigin-Name: 9d91ee5ee3f316a8804b02eb3c34b175b8f87b28c22df56f481af708c54e297c
2017-09-11 23:46:59 +00:00
drh
7e6f980bd4
Proposed fix for ticket [b899b6042f97f5]
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FossilOrigin-Name: c7f9f47b239fdd99b555fb0a31eb82b22dbe6c821f1612d67a0d6a822288d9f7
2017-09-04 00:33:04 +00:00
dan
c456a76fb3
When generating individual loops for each ORed term of an OR scan, move any
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constant WHERE expressions outside of the loop, as is done for top-level
loops.
FossilOrigin-Name: e4a022be4b069b08cfdfda5295461676b99d28e17bbbedfbcb362dec69de59bd
2017-06-22 16:51:16 +00:00
drh
f46af73720
If the cost of two whereLoop objects is the same in every way except that
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one has fewer expected output rows than the other, then choose the one with
fewer output rows.
FossilOrigin-Name: 79e458ef7acfddbc189163e3e958da529becb130
2013-08-30 17:35:44 +00:00
drh
fd5874d23d
Add the "queryplanner" test permutation. Continuing refinements to NGQP.
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FossilOrigin-Name: 25e2cde105a19293bdb9c001b48624e5d7f8c4e5
2013-06-12 14:52:39 +00:00
drh
782d68a4cd
Try to take into account the cost of inner loops when selecting which table
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of a join to use for the outer loop.
FossilOrigin-Name: 942556342a332b04a11169bb04f387d741ef9488
2012-11-09 17:59:26 +00:00
