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Fix a compiler warning in pcache1. Reduce the maximum size of a pcache1

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cache to 2147418112 pages.

FossilOrigin-Name: 4bc93658aa563f2fa84f7f85f7f9f336dc80425640140c0fc2aec4a3606fad48
This commit is contained in:
drh
2021-08-09 19:54:27 +00:00
parent bdf15bbd62
commit f9d349a80d
3 changed files with 15 additions and 12 deletions
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14
manifest
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@@ -1,5 +1,5 @@
C Further\simprovements\sto\sthe\seOpenState\sbit\svalues.
D 2021-08-09T18:13:38.173
C Fix\sa\scompiler\swarning\sin\spcache1.\s\sReduce\sthe\smaximum\ssize\sof\sa\spcache1\ncache\sto\s2147418112\spages.
D 2021-08-09T19:54:27.186
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -536,7 +536,7 @@ F src/pager.h 4bf9b3213a4b2bebbced5eaa8b219cf25d4a82f385d093cd64b7e93e5285f66f
F src/parse.y 0ba0baec5de6921ec8ba8bbcf1018969144ef29d26112e17539d8fbb1662e3eb
F src/pcache.c 385ff064bca69789d199a98e2169445dc16e4291fa807babd61d4890c3b34177
F src/pcache.h 4f87acd914cef5016fae3030343540d75f5b85a1877eed1a2a19b9f284248586
F src/pcache1.c 00541fef31d2798dc20308ee1fa46205b76ad1df2c871e9c9bfe9508e59ab54c
F src/pcache1.c 54881292a9a5db202b2c0ac541c5e3ef9a5e8c4f1c1383adb2601d5499a60e65
F src/pragma.c af0f43789545622fd5377d71f6d4c0e7c9b9295a3f5d5b1242e4032d38ca12b5
F src/pragma.h a11b4798f9c49f156f130e1f7041a9fcc9d316a64f3501b6013acdd2e4c6f549
F src/prepare.c 0d53d20532aada295c1690792a125adbd6435f5ce703ff0adf1b9b3605238b67
@@ -1920,7 +1920,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
P bf9d70fc2fde06a3f132270a26d4abe321687169066aff26ad9e92757c7f9ee4
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Z e0914599a10f85fbe60bdb3fef5eb7e0
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R 19e90c8b9bdd61fd7709a8e960a3ede7
U drh
Z 8656b513dcc008313098af5e52544bda

2
manifest.uuid
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@@ -1 +1 @@
d44f74f14a387960ce105913526b572f4a3d1935351c6aab10cee85946488a9e
4bc93658aa563f2fa84f7f85f7f9f336dc80425640140c0fc2aec4a3606fad48

11
src/pcache1.c
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@@ -817,15 +817,18 @@ static sqlite3_pcache *pcache1Create(int szPage, int szExtra, int bPurgeable){
*/
static void pcache1Cachesize(sqlite3_pcache *p, int nMax){
PCache1 *pCache = (PCache1 *)p;
u32 n;
assert( nMax>=0 );
if( pCache->bPurgeable ){
PGroup *pGroup = pCache->pGroup;
pcache1EnterMutex(pGroup);
if( nMax > 0xffff0000 - pGroup->nMaxPage + pCache->nMax ){
nMax = 0xffff0000 - pGroup->nMaxPage + pCache->nMax;
n = (u32)nMax;
if( n > 0x7fff0000 - pGroup->nMaxPage + pCache->nMax ){
n = 0x7fff0000 - pGroup->nMaxPage + pCache->nMax;
}
pGroup->nMaxPage += (nMax - pCache->nMax);
pGroup->nMaxPage += (n - pCache->nMax);
pGroup->mxPinned = pGroup->nMaxPage + 10 - pGroup->nMinPage;
pCache->nMax = nMax;
pCache->nMax = n;
pCache->n90pct = pCache->nMax*9/10;
pcache1EnforceMaxPage(pCache);
pcache1LeaveMutex(pGroup);