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Fix the wholenumber virtual table so that it returns higher costs for

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unconstrained usage.

FossilOrigin-Name: ceff8955020cd1314bf1ab0af7d075fe2c0863e5
This commit is contained in:
drh
2013-05-08 14:13:51 +00:00
parent a184fb87b8
commit 4f58074a80
3 changed files with 14 additions and 8 deletions
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8
ext/misc/wholenumber.c
View File

@@ -218,7 +218,13 @@ static int wholenumberBestIndex(
){ ){
pIdxInfo->orderByConsumed = 1; pIdxInfo->orderByConsumed = 1;
} }
pIdxInfo->estimatedCost = (double)1; if( (idxNum & 12)==0 ){
pIdxInfo->estimatedCost = (double)100000000;
}else if( (idxNum & 3)==0 ){
pIdxInfo->estimatedCost = (double)5;
}else{
pIdxInfo->estimatedCost = (double)1;
}
return SQLITE_OK; return SQLITE_OK;
} }

12
manifest
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@@ -1,5 +1,5 @@
C More\sbug\sfixes\sto\sthe\sWhereLoop\sgenerator\sand\sthe\ssolver\sin\sNGQP.\nNow\sfinds\sthe\sbest\splan\sfor\sTPC-H\sQ8.\s\sThis\sseems\sto\sprove\sthe\nconcept,\sbut\sthere\sis\sstill\smuch\swork\sto\sbe\sdone. C Fix\sthe\swholenumber\svirtual\stable\sso\sthat\sit\sreturns\shigher\scosts\sfor\nunconstrained\susage.
D 2013-05-08T04:22:59.354 D 2013-05-08T14:13:51.196
F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
F Makefile.in ce81671efd6223d19d4c8c6b88ac2c4134427111 F Makefile.in ce81671efd6223d19d4c8c6b88ac2c4134427111
F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -90,7 +90,7 @@ F ext/misc/ieee754.c 2565ce373d842977efe0922dc50b8a41b3289556
F ext/misc/nextchar.c 1131e2b36116ffc6fe6b2e3464bfdace27978b1e F ext/misc/nextchar.c 1131e2b36116ffc6fe6b2e3464bfdace27978b1e
F ext/misc/regexp.c c25c65fe775f5d9801fb8573e36ebe73f2c0c2e0 F ext/misc/regexp.c c25c65fe775f5d9801fb8573e36ebe73f2c0c2e0
F ext/misc/spellfix.c f9d24a2b2617cee143b7841b453e4e1fd8f189cc F ext/misc/spellfix.c f9d24a2b2617cee143b7841b453e4e1fd8f189cc
F ext/misc/wholenumber.c ce362368b9381ea48cbd951ade8df867eeeab014 F ext/misc/wholenumber.c 784b12543d60702ebdd47da936e278aa03076212
F ext/rtree/README 6315c0d73ebf0ec40dedb5aa0e942bc8b54e3761 F ext/rtree/README 6315c0d73ebf0ec40dedb5aa0e942bc8b54e3761
F ext/rtree/rtree.c 757abea591d4ff67c0ff4e8f9776aeda86b18c14 F ext/rtree/rtree.c 757abea591d4ff67c0ff4e8f9776aeda86b18c14
F ext/rtree/rtree.h 834dbcb82dc85b2481cde6a07cdadfddc99e9b9e F ext/rtree/rtree.h 834dbcb82dc85b2481cde6a07cdadfddc99e9b9e
@@ -1060,7 +1060,7 @@ F tool/vdbe-compress.tcl f12c884766bd14277f4fcedcae07078011717381
F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4 F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
F tool/warnings.sh fbc018d67fd7395f440c28f33ef0f94420226381 F tool/warnings.sh fbc018d67fd7395f440c28f33ef0f94420226381
F tool/win/sqlite.vsix 97894c2790eda7b5bce3cc79cb2a8ec2fde9b3ac F tool/win/sqlite.vsix 97894c2790eda7b5bce3cc79cb2a8ec2fde9b3ac
P b36034bbd19bc5677b26a6f60ca96eb2b37db373 P 8e5aad37529ec3042e3468acf15186f566e2df8a
R 133717a86de1df991cb6332a4c908d9a R b3d674751906663b092b90a1bf5d9075
U drh U drh
Z f247935a6bdcd4102bf6e24d9a3606bf Z ebd03db274e88f39387d4aac452cd0be

2
manifest.uuid
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@@ -1 +1 @@
8e5aad37529ec3042e3468acf15186f566e2df8a ceff8955020cd1314bf1ab0af7d075fe2c0863e5