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Put an ALWAYS() around a condition in pcache.c that must always be true in 

the current implementation.

FossilOrigin-Name: 88810cd091b33f2c56f842e32cafbac5d34d7412
This commit is contained in:
drh 2010-03-19 19:23:51 +00:00
parent 3f0d9d3846
commit f3609eeba7
3 changed files with 24 additions and 9 deletions
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24
manifest
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@ -1,5 +1,8 @@
C Have\sthe\sxUpdate()\smethod\sof\sthe\srtree\smodule\svirtual\stable\simplementation\sset\sthe\s*pRowid\soutput\svariable\swhen\sinserting\sa\srow.\sFix\sfor\s[dd3ba6063a].
D 2010-03-19T19:02:28
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
C Put\san\sALWAYS()\saround\sa\scondition\sin\spcache.c\sthat\smust\salways\sbe\strue\sin\nthe\scurrent\simplementation.
D 2010-03-19T19:23:52
F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
F Makefile.in 4f2f967b7e58a35bb74fb7ec8ae90e0f4ca7868b
F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@ -155,7 +158,7 @@ F src/os_win.c 1c7453c2df4dab26d90ff6f91272aea18bcf7053
F src/pager.c 26453ead93cc5ff69f6b7d1bf639948e3a0a6b06
F src/pager.h ef8a2cf10084f60ab45ee2dfded8bf8b0c655ddf
F src/parse.y ace5c7a125d9f2a410e431ee3209034105045f7e
F src/pcache.c 4956b41d6ba913f7a8a56fbf32be78caed0e45c2
F src/pcache.c ace8f6a5ecd4711cc66a1b23053be7109bd437cf
F src/pcache.h c683390d50f856d4cd8e24342ae62027d1bb6050
F src/pcache1.c 6dc1871ce8ead9187161c370a58cd06c84221f76
F src/pragma.c 56d95f76154a5f873c32eae485bb625f3c70be46
@ -793,7 +796,14 @@ F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
P 146d4f5d3459235d8b2d27a5d77beb7645f75185
R cecb3de7429c8aa39856297db7e7e065
U dan
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U drh
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f31d22489d44701c89cb13c663dfa1a6cc04f900
88810cd091b33f2c56f842e32cafbac5d34d7412

7
src/pcache.c
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@ -407,7 +407,12 @@ void sqlite3PcacheTruncate(PCache *pCache, Pgno pgno){
PgHdr *pNext;
for(p=pCache->pDirty; p; p=pNext){
pNext = p->pDirtyNext;
if( p->pgno>pgno ){
/* This routine never gets call with a positive pgno except right
** after sqlite3PcacheCleanAll(). So if there are dirty pages,
** it must be that pgno==0.
*/
assert( p->pgno>0 );
if( ALWAYS(p->pgno>pgno) ){
assert( p->flags&PGHDR_DIRTY );
sqlite3PcacheMakeClean(p);
}