From: drh <>
Date: Wed, 24 Mar 2021 17:28:11 +0000 (+0000)
Subject: Improvements to distinct aggregates such that they can sometimes avoid
X-Git-Tag: version-3.36.0~289
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=6db1c9da67d9921bfe7f1186b55dc59a996ab9d2;p=thirdparty%2Fsqlite.git

Improvements to distinct aggregates such that they can sometimes avoid
using an ephermeral table to test for duplicates if the column that is
distinct is part of an index.

FossilOrigin-Name: ef4ac0ddd297bbd38351410c5a387e1628561b3f1bec9e4c2c9d76fbe29f955a
---

6db1c9da67d9921bfe7f1186b55dc59a996ab9d2
diff --cc manifest
index f403c64a13,5340b580e3..d4587fd8b3
--- a/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Fix\sa\sharmless\scompiler\swarning.
- D 2021-03-24T17:04:32.761
 -C Fix\sa\smemory\sleak\sin\sthe\snew\scode\son\sthis\sbranch.
 -D 2021-03-13T18:23:30.834
++C Improvements\sto\sdistinct\saggregates\ssuch\sthat\sthey\scan\ssometimes\savoid\nusing\san\sephermeral\stable\sto\stest\sfor\sduplicates\sif\sthe\scolumn\sthat\sis\ndistinct\sis\spart\sof\san\sindex.
++D 2021-03-24T17:28:11.642
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@@@ -542,12 -542,12 +542,12 @@@ F src/printf.c 78fabb49b9ac9a12dd1c89d7
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- F src/where.c 10d06b16670a1d2a992d52a9f08e49426d38a08fb0a7ae5f7f62fd023d560e1e
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diff --cc manifest.uuid
index c4b5bce924,90583e1fd5..f3b8f43662
--- a/manifest.uuid
+++ b/manifest.uuid
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