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Add the sqlite3_rollback_hook() API. Still requires further testing. (CVS 2823)

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FossilOrigin-Name: 3baa3ff32435b64e7ae7646b17a98fef9296aaa0
This commit is contained in:
danielk1977
2005-12-16 06:54:01 +00:00
parent fdd6e85a34
commit 71fd80bf5c
11 changed files with 206 additions and 74 deletions
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31
src/main.c
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@@ -14,7 +14,7 @@
** other files are for internal use by SQLite and should not be
** accessed by users of the library.
**
** $Id: main.c,v 1.310 2005/12/15 15:22:09 danielk1977 Exp $
** $Id: main.c,v 1.311 2005/12/16 06:54:02 danielk1977 Exp $
*/
#include "sqliteInt.h"
#include "os.h"
@@ -210,7 +210,14 @@ void sqlite3RollbackAll(sqlite3 *db){
db->aDb[i].inTrans = 0;
}
}
sqlite3ResetInternalSchema(db, 0);
if( db->flags&SQLITE_InternChanges ){
sqlite3ResetInternalSchema(db, 0);
}
/* If one has been configured, invoke the rollback-hook callback */
if( db->xRollbackCallback ){
db->xRollbackCallback(db->pRollbackArg);
}
}
/*
@@ -534,7 +541,7 @@ void *sqlite3_profile(
/*** EXPERIMENTAL ***
**
** Register a function to be invoked when a transaction comments.
** If either function returns non-zero, then the commit becomes a
** If the invoked function returns non-zero, then the commit becomes a
** rollback.
*/
void *sqlite3_commit_hook(
@@ -552,15 +559,31 @@ void *sqlite3_commit_hook(
** Register a callback to be invoked each time a row is updated,
** inserted or deleted using this database connection.
*/
void sqlite3_update_hook(
void *sqlite3_update_hook(
sqlite3 *db, /* Attach the hook to this database */
void (*xCallback)(void*,int,char const *,char const *,sqlite_int64),
void *pArg /* Argument to the function */
){
void *pRet = db->pUpdateArg;
db->xUpdateCallback = xCallback;
db->pUpdateArg = pArg;
return pRet;
}
/*
** Register a callback to be invoked each time a transaction is rolled
** back by this database connection.
*/
void *sqlite3_rollback_hook(
sqlite3 *db, /* Attach the hook to this database */
void (*xCallback)(void*), /* Callback function */
void *pArg /* Argument to the function */
){
void *pRet = db->pRollbackArg;
db->xRollbackCallback = xCallback;
db->pRollbackArg = pArg;
return pRet;
}
/*
** This routine is called to create a connection to a database BTree