database/sqlite
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Optimization to sqlite3VtabUnlockList() for the common case when there

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is no work to do.

FossilOrigin-Name: fc8d45086dc2bcb9bce756088e99e63cbeedf9129139fb0e6a48b43c4f502180
This commit is contained in:
drh
2019-10-05 19:24:52 +00:00
parent a22d2fca33
commit 1de92a64cd
3 changed files with 8 additions and 8 deletions
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12
manifest
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@@ -1,5 +1,5 @@
C Call\ssqlite3Prepare()\sdirectly,\srather\sthan\sgoing\sthrough\ssqlite3_prepare(),\nwhen\sprocessing\sthe\ssqlite_master.sql\scolumn\sfor\sa\sschema. C Optimization\sto\ssqlite3VtabUnlockList()\sfor\sthe\scommon\scase\swhen\sthere\nis\sno\swork\sto\sdo.
D 2019-10-05T18:33:25.104 D 2019-10-05T19:24:52.240
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -606,7 +606,7 @@ F src/vdbeblob.c 253ed82894924c362a7fa3079551d3554cd1cdace39aa833da77d3bc67e7c1b
F src/vdbemem.c d8e10d1773806105e62094c4ede0a4684f46caaf07667a45e6d461e94306b530 F src/vdbemem.c d8e10d1773806105e62094c4ede0a4684f46caaf07667a45e6d461e94306b530
F src/vdbesort.c da75f505aba230060ce6472605a4aa6494f73eeb1071e1cc2643c3d4035e671b F src/vdbesort.c da75f505aba230060ce6472605a4aa6494f73eeb1071e1cc2643c3d4035e671b
F src/vdbetrace.c fa3bf238002f0bbbdfb66cc8afb0cea284ff9f148d6439bc1f6f2b4c3b7143f0 F src/vdbetrace.c fa3bf238002f0bbbdfb66cc8afb0cea284ff9f148d6439bc1f6f2b4c3b7143f0
F src/vtab.c 5a0b7193d586991b3db30e343d6b59959906bfe8658a6a0a85709b20ca50bb49 F src/vtab.c 27998d5d738069f2cee981620a1f224558494ce06799d14dcb5e6f34b4cdcdd1
F src/vxworks.h d2988f4e5a61a4dfe82c6524dd3d6e4f2ce3cdb9 F src/vxworks.h d2988f4e5a61a4dfe82c6524dd3d6e4f2ce3cdb9
F src/wal.c bbd6838bd79c0a32144d482fb0b6a9d2d1a252fb3b16d5005ec30f2f80413b0d F src/wal.c bbd6838bd79c0a32144d482fb0b6a9d2d1a252fb3b16d5005ec30f2f80413b0d
F src/wal.h 606292549f5a7be50b6227bd685fa76e3a4affad71bb8ac5ce4cb5c79f6a176a F src/wal.h 606292549f5a7be50b6227bd685fa76e3a4affad71bb8ac5ce4cb5c79f6a176a
@@ -1846,7 +1846,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
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F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
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U drh U drh
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manifest.uuid
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@@ -1 +1 @@
cc49380ea76a4a05843d3a0bdfb925464dc9d72c33cf5ab5243dd07d161ad038 fc8d45086dc2bcb9bce756088e99e63cbeedf9129139fb0e6a48b43c4f502180

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src/vtab.c
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@@ -305,12 +305,12 @@ void sqlite3VtabDisconnect(sqlite3 *db, Table *p){
*/ */
void sqlite3VtabUnlockList(sqlite3 *db){ void sqlite3VtabUnlockList(sqlite3 *db){
VTable *p = db->pDisconnect; VTable *p = db->pDisconnect;
db->pDisconnect = 0;
assert( sqlite3BtreeHoldsAllMutexes(db) ); assert( sqlite3BtreeHoldsAllMutexes(db) );
assert( sqlite3_mutex_held(db->mutex) ); assert( sqlite3_mutex_held(db->mutex) );
if( p ){ if( p ){
db->pDisconnect = 0;
sqlite3ExpirePreparedStatements(db, 0); sqlite3ExpirePreparedStatements(db, 0);
do { do {
VTable *pNext = p->pNext; VTable *pNext = p->pNext;