From: drh <drh@noemail.net>
Date: Wed, 31 Jan 2018 16:50:27 +0000 (+0000)
Subject: Improve the omit-left-join optimization so that it works in some cases
X-Git-Tag: version-3.23.0~165
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=5cd253423b49b53c3ff2e066e3a5f3d3ac8f9bb6;p=thirdparty%2Fsqlite.git

Improve the omit-left-join optimization so that it works in some cases
when the RHS is subject to a UNIQUE but not NOT NULL constraint.

FossilOrigin-Name: 02ba8a7ba7ba71cd7abd5dd3093ea486f53a025f6972bb444f2da37e0e2fc3b2
---

5cd253423b49b53c3ff2e066e3a5f3d3ac8f9bb6
diff --cc manifest
index 2ab0abc923,4b0592f36e..5ab4a82cba
--- a/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Changes\sto\sthe\sautoconf\starball\sso\sthat\sit\sdoes\snot\stry\sto\suse\ssystem()\swhen\nbuilding\son\siOS.
- D 2018-01-31T01:38:44.477
 -C Fix\sa\sfailing\sassert()\sin\sthe\snew\scode\son\sthis\sbranch.
 -D 2018-01-31T14:07:01.020
++C Improve\sthe\somit-left-join\soptimization\sso\sthat\sit\sworks\sin\ssome\scases\s\nwhen\sthe\sRHS\sis\ssubject\sto\sa\sUNIQUE\sbut\snot\sNOT\sNULL\sconstraint.
++D 2018-01-31T16:50:27.186
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
  F Makefile.in 7a3f714b4fcf793108042b7b0a5c720b0b310ec84314d61ba7f3f49f27e550ea
@@@ -1704,7 -1702,7 +1704,8 @@@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a9
  F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
  F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
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++R ee3ce7babbd6fba601d683cb41b035ba
++T +closed 74d857d178dfadea7e07ba47439fe11aa9d282b54caf78cd6961e593b37406d0
 +U drh
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++Z 20db364b7139e3a10e7c112d48b03b80
diff --cc manifest.uuid
index 4422b0dd56,15554a93f9..0940797d9a
--- a/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 32ed9c106710c74a12d60ec33027fd6a9335627c95642ba608593b2735714da6
 -74d857d178dfadea7e07ba47439fe11aa9d282b54caf78cd6961e593b37406d0
++02ba8a7ba7ba71cd7abd5dd3093ea486f53a025f6972bb444f2da37e0e2fc3b2