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Update the sessions branch to the latest 3.7.17 beta.

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FossilOrigin-Name: af8057ef5dcaa72dc0d2ab5d1553b06757449fa1
This commit is contained in:
drh
2013-05-17 10:58:08 +00:00
parent ad1818d9ed 4c5aeecc90
commit 466af9baae
20 changed files with 218 additions and 53 deletions
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20
src/main.c
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@@ -848,12 +848,6 @@ static int sqlite3Close(sqlite3 *db, int forceZombie){
return SQLITE_BUSY;
}
/* If a transaction is open, roll it back. This also ensures that if
** any database schemas have been modified by the current transaction
** they are reset. And that the required b-tree mutex is held to make
** the the pager rollback and schema reset an atomic operation. */
sqlite3RollbackAll(db, SQLITE_OK);
#ifdef SQLITE_ENABLE_SQLLOG
if( sqlite3GlobalConfig.xSqllog ){
/* Closing the handle. Fourth parameter is passed the value 2. */
@@ -908,6 +902,12 @@ void sqlite3LeaveMutexAndCloseZombie(sqlite3 *db){
** go ahead and free all resources.
*/
/* If a transaction is open, roll it back. This also ensures that if
** any database schemas have been modified by an uncommitted transaction
** they are reset. And that the required b-tree mutex is held to make
** the pager rollback and schema reset an atomic operation. */
sqlite3RollbackAll(db, SQLITE_OK);
/* Free any outstanding Savepoint structures. */
sqlite3CloseSavepoints(db);
@@ -1008,7 +1008,15 @@ void sqlite3RollbackAll(sqlite3 *db, int tripCode){
int inTrans = 0;
assert( sqlite3_mutex_held(db->mutex) );
sqlite3BeginBenignMalloc();
/* Obtain all b-tree mutexes before making any calls to BtreeRollback().
** This is important in case the transaction being rolled back has
** modified the database schema. If the b-tree mutexes are not taken
** here, then another shared-cache connection might sneak in between
** the database rollback and schema reset, which can cause false
** corruption reports in some cases. */
sqlite3BtreeEnterAll(db);
for(i=0; i<db->nDb; i++){
Btree *p = db->aDb[i].pBt;
if( p ){