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Add the experimental sqlite3_preupdate_hook() API.

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FossilOrigin-Name: 6145d7b89f83500318713779c60f79a7ab2098ba
This commit is contained in:
dan
2011-03-01 18:42:07 +00:00
parent 30f776fadb
commit 46c47d4677
18 changed files with 737 additions and 117 deletions
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19
src/main.c
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@@ -1271,6 +1271,25 @@ void *sqlite3_rollback_hook(
return pRet;
}
/*
** Register a callback to be invoked each time a row is updated,
** inserted or deleted using this database connection.
*/
void *sqlite3_preupdate_hook(
sqlite3 *db, /* Attach the hook to this database */
void(*xCallback)( /* Callback function */
void*,sqlite3*,int,char const*,char const*,sqlite3_int64,sqlite3_int64),
void *pArg /* First callback argument */
){
void *pRet;
sqlite3_mutex_enter(db->mutex);
pRet = db->pPreUpdateArg;
db->xPreUpdateCallback = xCallback;
db->pPreUpdateArg = pArg;
sqlite3_mutex_leave(db->mutex);
return pRet;
}
#ifndef SQLITE_OMIT_WAL
/*
** The sqlite3_wal_hook() callback registered by sqlite3_wal_autocheckpoint().