From: drh <>
Date: Wed, 22 Feb 2023 21:11:34 +0000 (+0000)
Subject: Avoid computing the values for unused result-set columns in subqueries.
X-Git-Tag: version-3.42.0~332
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=95dee6d2e3c27a0430054b3abb8d726334db7909;p=thirdparty%2Fsqlite.git

Avoid computing the values for unused result-set columns in subqueries.
Performance optimization request [baa5bb76c35a124c].

FossilOrigin-Name: 7c2d3406000dc8ac5a99cc205b036356b67e4b0b94738592ffc5680749696904
---

95dee6d2e3c27a0430054b3abb8d726334db7909
diff --cc manifest
index cec9479716,8350761a55..65bf1958f6
--- a/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Update\sthe\sversion\snumber\sto\s3.42.0\sto\sbegin\sthe\snext\sdevelopment\scycle.
- D 2023-02-22T20:50:51.768
 -C A\sfew\ssimple\stest\scases\sfor\sthe\somit-unused-subquery-column\soptimization.
 -D 2023-02-16T19:41:39.707
++C Avoid\scomputing\sthe\svalues\sfor\sunused\sresult-set\scolumns\sin\ssubqueries.\nPerformance\soptimization\srequest\s[baa5bb76c35a124c].
++D 2023-02-22T21:11:34.555
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  F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@@ -621,12 -621,12 +621,12 @@@ F src/printf.c ff4b05e38bf928ff1b80d3dd
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- F src/select.c f80d98f13fa64201ababf5e80d682c430559cd7ee00ab14ee99a1aeb27ac097d
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++F src/select.c 751d2f021cb439abdf3e8e7b74c5d0532ca9793868e4fb4c5a73412aea274edc
 +F src/shell.c.in 6f36f5ca05f1bebf74935a7fcf2dce983016e807a09cbd752a673583ad7da087
 +F src/sqlite.h.in 662a2fa083d093896b92560c871dea6d86792b49dc4bf7b4e8dbeca8e7171488
  F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8
  F src/sqlite3ext.h da473ce2b3d0ae407a6300c4a164589b9a6bfdbec9462688a8593ff16f3bb6e4
- F src/sqliteInt.h 4dcc36b21dd0c77efeb0bb38b0d31916bc63fb429c8a89d186c945eba0816447
+ F src/sqliteInt.h 25f38ade2d93828231d6cd8614f635c0b084bee004360d970542861ad2e3e3d8
  F src/sqliteLimit.h d7323ffea5208c6af2734574bae933ca8ed2ab728083caa117c9738581a31657
  F src/status.c 160c445d7d28c984a0eae38c144f6419311ed3eace59b44ac6dafc20db4af749
  F src/table.c 0f141b58a16de7e2fbe81c308379e7279f4c6b50eb08efeec5892794a0ba30d1
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  U drh
- Z 558b030af06c9bbcf0267311941c1842
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  # Remove this line to create a well-formed Fossil manifest.
diff --cc manifest.uuid
index fe2ab7c19f,3216d50cee..4b12d53327
--- a/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
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