mirrors/postgres
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Update some obsolete comments --- code is using t_self now, not t_ctid.

Browse Source
This commit is contained in:
Tom Lane 2005-08-18 21:34:20 +00:00
parent dfdf07aab1
commit 77b4bd3b43
1 changed files with 11 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
src/backend/executor/execMain.c
View File

@ -26,7 +26,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/executor/execMain.c,v 1.252 2005/08/01 20:31:07 tgl Exp $
* $PostgreSQL: pgsql/src/backend/executor/execMain.c,v 1.253 2005/08/18 21:34:20 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -1371,7 +1371,6 @@ ExecInsert(TupleTableSlot *slot,
HeapTuple tuple;
ResultRelInfo *resultRelInfo;
Relation resultRelationDesc;
int numIndices;
Oid newId;
/*
@ -1418,6 +1417,9 @@ ExecInsert(TupleTableSlot *slot,
/*
* insert the tuple
*
* Note: heap_insert returns the tid (location) of the new tuple
* in the t_self field.
*/
newId = heap_insert(resultRelationDesc, tuple,
estate->es_snapshot->curcid,
@ -1429,14 +1431,9 @@ ExecInsert(TupleTableSlot *slot,
setLastTid(&(tuple->t_self));
/*
* process indices
*
* Note: heap_insert adds a new tuple to a relation. As a side effect,
* the tupleid of the new tuple is placed in the new tuple's t_ctid
* field.
* insert index entries for tuple
*/
numIndices = resultRelInfo->ri_NumIndices;
if (numIndices > 0)
if (resultRelInfo->ri_NumIndices > 0)
ExecInsertIndexTuples(slot, &(tuple->t_self), estate, false);
/* AFTER ROW INSERT Triggers */
@ -1563,7 +1560,6 @@ ExecUpdate(TupleTableSlot *slot,
Relation resultRelationDesc;
ItemPointerData ctid;
HTSU_Result result;
int numIndices;
/*
* abort the operation if not running transactions
@ -1676,23 +1672,18 @@ lreplace:;
/*
* Note: instead of having to update the old index tuples associated
* with the heap tuple, all we do is form and insert new index tuples.
* This is because UPDATEs are actually DELETEs and INSERTs and index
* This is because UPDATEs are actually DELETEs and INSERTs, and index
* tuple deletion is done automagically by the vacuum daemon. All we
* do is insert new index tuples. -cim 9/27/89
*/
/*
* process indices
* insert index entries for tuple
*
* heap_update updates a tuple in the base relation by invalidating it
* and then inserting a new tuple to the relation. As a side effect,
* the tupleid of the new tuple is placed in the new tuple's t_ctid
* field. So we now insert index tuples using the new tupleid stored
* there.
* Note: heap_update returns the tid (location) of the new tuple
* in the t_self field.
*/
numIndices = resultRelInfo->ri_NumIndices;
if (numIndices > 0)
if (resultRelInfo->ri_NumIndices > 0)
ExecInsertIndexTuples(slot, &(tuple->t_self), estate, false);
/* AFTER ROW UPDATE Triggers */