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UPDATE ... SET <col> = DEFAULT

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Rod Taylor
This commit is contained in:
Bruce Momjian
2003-06-25 04:19:24 +00:00
parent a09ccc70dd
commit 53c4f1233f
9 changed files with 90 additions and 49 deletions
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24
src/backend/parser/analyze.c
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@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Header: /cvsroot/pgsql/src/backend/parser/analyze.c,v 1.276 2003/06/25 03:40:17 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/analyze.c,v 1.277 2003/06/25 04:19:24 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -660,23 +660,9 @@ transformInsertStmt(ParseState *pstate, InsertStmt *stmt,
col = (ResTarget *) lfirst(icolumns);
Assert(IsA(col, ResTarget));
/*
* When the value is to be set to the column default we can simply
* drop the TLE now and handle it later on using methods for missing
* columns.
*/
if (IsA(tle, InsertDefault))
{
qry->targetList = lremove(tle, qry->targetList);
/* Note: the stmt->cols list is not adjusted to match */
}
else
{
/* Normal case */
Assert(!tle->resdom->resjunk);
updateTargetListEntry(pstate, tle, col->name, lfirsti(attnos),
col->indirection);
}
Assert(!tle->resdom->resjunk);
updateTargetListEntry(pstate, tle, col->name, lfirsti(attnos),
col->indirection);
icolumns = lnext(icolumns);
attnos = lnext(attnos);
@ -2431,10 +2417,12 @@ transformUpdateStmt(ParseState *pstate, UpdateStmt *stmt)
if (origTargetList == NIL)
elog(ERROR, "UPDATE target count mismatch --- internal error");
origTarget = (ResTarget *) lfirst(origTargetList);
updateTargetListEntry(pstate, tle, origTarget->name,
attnameAttNum(pstate->p_target_relation,
origTarget->name, true),
origTarget->indirection);
origTargetList = lnext(origTargetList);
}
if (origTargetList != NIL)