database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-11-16 23:02:26 +03:00
Code Activity

Fix the cost estimation in the BestIndex method of the eponymous pragma

Browse Source 
virtual table implementation.

FossilOrigin-Name: 7126807a186746a8663fbaa267d63214d06476e4
This commit is contained in:
drh
2016-12-15 21:33:55 +00:00
parent d7175ebeaf
commit ae7045cd53
3 changed files with 8 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
manifest
View File

@@ -1,5 +1,5 @@
C The\spragma\sas\seponymous\svirtual\stable\smechanism\snow\sappears\sto\swork. C Fix\sthe\scost\sestimation\sin\sthe\sBestIndex\smethod\sof\sthe\seponymous\spragma\nvirtual\stable\simplementation.
D 2016-12-15T21:11:15.541 D 2016-12-15T21:33:55.724
F Makefile.in c194b58fe00c370a48ac6ae6945e92a7781db1c8 F Makefile.in c194b58fe00c370a48ac6ae6945e92a7781db1c8
F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434 F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
F Makefile.msc b8ca53350ae545e3562403d5da2a69cec79308da F Makefile.msc b8ca53350ae545e3562403d5da2a69cec79308da
@@ -381,7 +381,7 @@ F src/parse.y 29153738a7322054359320eb00b5a4cd44389f20
F src/pcache.c 51070ec9b8251bbf9c6ea3d35fd96a458752929e F src/pcache.c 51070ec9b8251bbf9c6ea3d35fd96a458752929e
F src/pcache.h 2cedcd8407eb23017d92790b112186886e179490 F src/pcache.h 2cedcd8407eb23017d92790b112186886e179490
F src/pcache1.c e3967219b2a92b9edcb9324a4ba75009090d3953 F src/pcache1.c e3967219b2a92b9edcb9324a4ba75009090d3953
F src/pragma.c db1d2ae01ad327b2c1d348924cdb11bbe1a54dcf F src/pragma.c 41f18267db44df49756c3c3cdc695e701e169a63
F src/pragma.h f9b221b2c8949ea941dbee49934299e4ed5af41c F src/pragma.h f9b221b2c8949ea941dbee49934299e4ed5af41c
F src/prepare.c b1140c3d0cf59bc85ace00ce363153041b424b7a F src/prepare.c b1140c3d0cf59bc85ace00ce363153041b424b7a
F src/printf.c f94da4935d1dd25420ac50c6745db1deb35e07c1 F src/printf.c f94da4935d1dd25420ac50c6745db1deb35e07c1
@@ -1536,7 +1536,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
P 988a61e8b03f302c69d11898d1ea95f002cba1a5 P 2c274a1a7b57ef1208901fbc1d96d39c0d492652
R fc9b9c22fa99573809efcbc3a3ada70d R 443faf38855e36ce9518a22aacd4e206
U drh U drh
Z 6fcba4a1d98b45e26069fbc257e90ccd Z cec7546529435a8d9c60da5648254c3a

2
manifest.uuid
View File

@@ -1 +1 @@
2c274a1a7b57ef1208901fbc1d96d39c0d492652 7126807a186746a8663fbaa267d63214d06476e4

1
src/pragma.c
View File

@@ -2056,6 +2056,7 @@ static int pragmaVtabBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){
int i, j; int i, j;
int seen[2]; int seen[2];
pIdxInfo->estimatedCost = (double)1;
if( pTab->nHidden==0 ){ return SQLITE_OK; } if( pTab->nHidden==0 ){ return SQLITE_OK; }
pConstraint = pIdxInfo->aConstraint; pConstraint = pIdxInfo->aConstraint;
seen[0] = 0; seen[0] = 0;