diff options
Diffstat (limited to 'src/include/access/heapam.h')
| -rw-r--r-- | src/include/access/heapam.h | 13 |
1 files changed, 1 insertions, 12 deletions
diff --git a/src/include/access/heapam.h b/src/include/access/heapam.h index 608f50b0616..4c0256b18a4 100644 --- a/src/include/access/heapam.h +++ b/src/include/access/heapam.h @@ -53,34 +53,23 @@ typedef enum LockTupleMode * When heap_update, heap_delete, or heap_lock_tuple fail because the target * tuple is already outdated, they fill in this struct to provide information * to the caller about what happened. - * - * result is the result of HeapTupleSatisfiesUpdate, leading to the failure. - * It's set to HeapTupleMayBeUpdated when there is no failure. - * * ctid is the target's ctid link: it is the same as the target's TID if the * target was deleted, or the location of the replacement tuple if the target * was updated. - * * xmax is the outdating transaction's XID. If the caller wants to visit the * replacement tuple, it must check that this matches before believing the * replacement is really a match. - * * cmax is the outdating command's CID, but only when the failure code is * HeapTupleSelfUpdated (i.e., something in the current transaction outdated * the tuple); otherwise cmax is zero. (We make this restriction because * HeapTupleHeaderGetCmax doesn't work for tuples outdated in other * transactions.) - * - * lockmode is only relevant for callers of heap_update() and is the mode which - * the caller should use in case it needs to lock the updated tuple. */ typedef struct HeapUpdateFailureData { - HTSU_Result result; ItemPointerData ctid; TransactionId xmax; CommandId cmax; - LockTupleMode lockmode; } HeapUpdateFailureData; @@ -173,7 +162,7 @@ extern void heap_abort_speculative(Relation relation, HeapTuple tuple); extern HTSU_Result heap_update(Relation relation, ItemPointer otid, HeapTuple newtup, CommandId cid, Snapshot crosscheck, bool wait, - HeapUpdateFailureData *hufd); + HeapUpdateFailureData *hufd, LockTupleMode *lockmode); extern HTSU_Result heap_lock_tuple(Relation relation, HeapTuple tuple, CommandId cid, LockTupleMode mode, LockWaitPolicy wait_policy, bool follow_update, |