database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-08-05 15:55:57 +03:00
Code Activity

Add the new internal interface sqlite3DbNNFreeNN(db,ptr) where both the

Browse Source 
db and ptr parameters are guaranteed to be non-NULL.  Use this where
appropriate to save more than 2 million CPU cycles on the standard
performance test.

FossilOrigin-Name: e5eaa80e81fdf86f2875a912b880272b8d099b82b08e945a7988c5dd0fe9d6b5
This commit is contained in:
drh
2022-08-22 02:00:26 +00:00
parent 05cb948bf7
commit 41ce47c4f4
18 changed files with 128 additions and 69 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
src/btmutex.c
View File

@@ -252,6 +252,7 @@ int sqlite3BtreeHoldsAllMutexes(sqlite3 *db){
int sqlite3SchemaMutexHeld(sqlite3 *db, int iDb, Schema *pSchema){
Btree *p;
assert( db!=0 );
if( db->pVfs==0 && db->nDb==0 ) return 1;
if( pSchema ) iDb = sqlite3SchemaToIndex(db, pSchema);
assert( iDb>=0 && iDb<db->nDb );
if( !sqlite3_mutex_held(db->mutex) ) return 0;