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Ugh. Consecutive UNIQUE index entries are only distinct if the index is

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on NOT NULL columns.  So the previous version was not quite right.  This
check-in fixes the problem.

FossilOrigin-Name: 30033f965030a015fad15e532bcaba1314c8cc0f
This commit is contained in:
drh 2014-07-23 19:37:21 +00:00
parent 553818a0aa
commit 6861b8a13f
3 changed files with 8 additions and 8 deletions
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12
manifest
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@ -1,5 +1,5 @@
C Improve\sthe\sperformance\sof\sthe\sANALYZE\scommand\sby\staking\sadvantage\sof\sthe\nfact\sthat\severy\srow\sof\sa\sUNIQUE\sindex\sis\sdistinct.
D 2014-07-23T18:36:55.821
C Ugh.\s\sConsecutive\sUNIQUE\sindex\sentries\sare\sonly\sdistinct\sif\sthe\sindex\sis\non\sNOT\sNULL\scolumns.\s\sSo\sthe\sprevious\sversion\swas\snot\squite\sright.\s\sThis\ncheck-in\sfixes\sthe\sproblem.
D 2014-07-23T19:37:21.314
F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
F Makefile.in 5eb79e334a5de69c87740edd56af6527dd219308
F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@ -161,7 +161,7 @@ F sqlite.pc.in 42b7bf0d02e08b9e77734a47798d1a55a9e0716b
F sqlite3.1 3d8b83c91651f53472ca17599dae3457b8b89494
F sqlite3.pc.in 48fed132e7cb71ab676105d2a4dc77127d8c1f3a
F src/alter.c b00900877f766f116f9e16116f1ccacdc21d82f1
F src/analyze.c c72bb66997ebdbc76936cfe96d7cc9da6ffe2b22
F src/analyze.c 7f893416d1e4375e31e497107e92b28c2f8f82d1
F src/attach.c 3801129015ef59d76bf23c95ef9b0069d18a0c52
F src/auth.c 523da7fb4979469955d822ff9298352d6b31de34
F src/backup.c a729e63cf5cd1829507cb7b8e89f99b95141bb53
@ -1183,7 +1183,7 @@ F tool/vdbe_profile.tcl 67746953071a9f8f2f668b73fe899074e2c6d8c1
F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
F tool/warnings.sh 0abfd78ceb09b7f7c27c688c8e3fe93268a13b32
F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
P e6225a7bf77a700b318563b1a854b4b3a9e031e1
R fa098d0ebca9c403761ac8a7cdd64221
P 3e1e79e1335f7ad33cd35f384f2a063c4aa2253b
R 8df862d446d339da769e0f44096b055d
U drh
Z 71590bde4580a255d675842a920968d0
Z cc08889d86841af01a0687614b9dbde8

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3e1e79e1335f7ad33cd35f384f2a063c4aa2253b
30033f965030a015fad15e532bcaba1314c8cc0f

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src/analyze.c
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@ -1029,7 +1029,7 @@ static void analyzeOneTable(
}else{
nCol = pIdx->nColumn;
zIdxName = pIdx->zName;
nColTest = pIdx->onError==OE_None ? nCol-1 : pIdx->nKeyCol-1;
nColTest = pIdx->uniqNotNull ? pIdx->nKeyCol-1 : nCol-1;
}
aGotoChng = sqlite3DbMallocRaw(db, sizeof(int)*(nColTest+1));
if( aGotoChng==0 ) continue;