Omit non-primary-key columns from the STAT4 samples for WITHOUT ROWID tables.

Indexes, both rowid and without-rowid, still hold an exact copy
of the index entry.

FossilOrigin-Name: de826c31589258f0906f87d65796944103e36d5b
This commit is contained in:
drh 2014-06-30 13:56:34 +00:00
parent 48be0c51d4
commit 971fd07135
3 changed files with 15 additions and 13 deletions

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@ -1,5 +1,5 @@
C Generate\scomplete\ssamples\sfor\ssqlite_stat4\son\sWITHOUT\sROWID\stables.\nTicket\s[b2fa5424e6fcb15b5]
D 2014-06-30T13:32:39.153
C Omit\snon-primary-key\scolumns\sfrom\sthe\sSTAT4\ssamples\sfor\sWITHOUT\sROWID\stables.\nIndexes,\sboth\srowid\sand\swithout-rowid,\sstill\shold\san\sexact\scopy\nof\sthe\sindex\sentry.
D 2014-06-30T13:56:34.968
F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
F Makefile.in 1732320ecac3fee229d560d7ef2afa34681d1815
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 b53dddb5a1bc4c28877952cd9ea6943aea62215d
F src/analyze.c 0f9ee2f88f7c564cedb16f8e0236f2d5ac8429aa
F src/attach.c 3801129015ef59d76bf23c95ef9b0069d18a0c52
F src/auth.c 523da7fb4979469955d822ff9298352d6b31de34
F src/backup.c a729e63cf5cd1829507cb7b8e89f99b95141bb53
@ -1181,10 +1181,7 @@ F tool/vdbe_profile.tcl 67746953071a9f8f2f668b73fe899074e2c6d8c1
F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
F tool/warnings.sh 0abfd78ceb09b7f7c27c688c8e3fe93268a13b32
F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
P 6f86d89b8800c50035da7809bff941d08a33a6a2
R 63e5822670c3cf845c9d764a3e96a618
T *branch * stat4-without-rowid
T *sym-stat4-without-rowid *
T -sym-trunk *
P 8cb43eddab83c68b2163441df70e0e9496d5fa33
R 76a8cf4e27cd1a26fe3722da49c987a3
U drh
Z 2446f0a421b05370ddd23634c032efe0
Z d18fb0d5c10defb46f6f8aaff06ea5cb

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@ -1 +1 @@
8cb43eddab83c68b2163441df70e0e9496d5fa33
de826c31589258f0906f87d65796944103e36d5b

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@ -1166,6 +1166,7 @@ static void analyzeOneTable(
int regSampleRowid = regCol + nCol;
int addrNext;
int addrIsNull;
int nSampleCol;
u8 seekOp = HasRowid(pTab) ? OP_NotExists : OP_NotFound;
pParse->nMem = MAX(pParse->nMem, regCol+nCol+1);
@ -1186,12 +1187,16 @@ static void analyzeOneTable(
sqlite3ExprCodeGetColumnOfTable(v, pTab, iTabCur,
pIdx->aiColumn[0], regSample);
#else
i = HasRowid(pTab) ? nCol-1 : pIdx->nColumn-1;
for(; i>=0; i--){
if( !HasRowid(pTab) && IsPrimaryKeyIndex(pIdx) ){
nSampleCol = pIdx->nKeyCol;
}else{
nSampleCol = pIdx->nColumn;
}
for(i=nSampleCol-1; i>=0; i--){
i16 iCol = pIdx->aiColumn[i];
sqlite3ExprCodeGetColumnOfTable(v, pTab, iTabCur, iCol, regCol+i);
}
sqlite3VdbeAddOp3(v, OP_MakeRecord, regCol, pIdx->nColumn, regSample);
sqlite3VdbeAddOp3(v, OP_MakeRecord, regCol, nSampleCol, regSample);
#endif
sqlite3VdbeAddOp3(v, OP_MakeRecord, regTabname, 6, regTemp);
sqlite3VdbeAddOp2(v, OP_NewRowid, iStatCur+1, regNewRowid);