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Merge in all the other ROLLBACK fixes from the branch-3.8.7 branch.

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I don't know why I was doing them one-by-one.

FossilOrigin-Name: 296b0c7397790ceadbdb330959e962f6491abc3e
This commit is contained in:
drh
2014-11-18 20:49:30 +00:00
parent bea3b976a9 bb8f925294
commit 64b600ff13
6 changed files with 25 additions and 23 deletions
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10
src/btree.c
View File

@@ -3925,13 +3925,9 @@ int sqlite3BtreeCursorIsValid(BtCursor *pCur){
*/
int sqlite3BtreeKeySize(BtCursor *pCur, i64 *pSize){
assert( cursorHoldsMutex(pCur) );
assert( pCur->eState==CURSOR_INVALID || pCur->eState==CURSOR_VALID );
if( pCur->eState!=CURSOR_VALID ){
*pSize = 0;
}else{
getCellInfo(pCur);
*pSize = pCur->info.nKey;
}
assert( pCur->eState==CURSOR_VALID );
getCellInfo(pCur);
*pSize = pCur->info.nKey;
return SQLITE_OK;
}

10
src/btreeInt.h
View File

@@ -489,6 +489,11 @@ struct CellInfo {
**
** Fields in this structure are accessed under the BtShared.mutex
** found at self->pBt->mutex.
**
** skipNext meaning:
** eState==SKIPNEXT && skipNext>0: Next sqlite3BtreeNext() is no-op.
** eState==SKIPNEXT && skipNext<0: Next sqlite3BtreePrevious() is no-op.
** eState==FAULT: Cursor fault with skipNext as error code.
*/
struct BtCursor {
Btree *pBtree; /* The Btree to which this cursor belongs */
@@ -501,7 +506,8 @@ struct BtCursor {
void *pKey; /* Saved key that was cursor last known position */
Pgno pgnoRoot; /* The root page of this tree */
int nOvflAlloc; /* Allocated size of aOverflow[] array */
int skipNext; /* Prev() is noop if negative. Next() is noop if positive */
int skipNext; /* Prev() is noop if negative. Next() is noop if positive.
** Error code if eState==CURSOR_FAULT */
u8 curFlags; /* zero or more BTCF_* flags defined below */
u8 eState; /* One of the CURSOR_XXX constants (see below) */
u8 hints; /* As configured by CursorSetHints() */
@@ -547,7 +553,7 @@ struct BtCursor {
** on a different connection that shares the BtShared cache with this
** cursor. The error has left the cache in an inconsistent state.
** Do nothing else with this cursor. Any attempt to use the cursor
** should return the error code stored in BtCursor.skip
** should return the error code stored in BtCursor.skipNext
*/
#define CURSOR_INVALID 0
#define CURSOR_VALID 1

3
src/vdbe.c
View File

@@ -2830,7 +2830,8 @@ case OP_Savepoint: {
if( p1==SAVEPOINT_ROLLBACK ){
isSchemaChange = (db->flags & SQLITE_InternChanges)!=0;
for(ii=0; ii<db->nDb; ii++){
rc = sqlite3BtreeTripAllCursors(db->aDb[ii].pBt, SQLITE_ABORT,
rc = sqlite3BtreeTripAllCursors(db->aDb[ii].pBt,
SQLITE_ABORT_ROLLBACK,
isSchemaChange==0);
if( rc!=SQLITE_OK ) goto abort_due_to_error;
}