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Allow insert statements to have every column

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supplied by a DEFAULT clause.  Enables INSERT INTO TABLE DEFAULT VALUES...
This commit is contained in:
Thomas G. Lockhart 1998-09-03 14:21:06 +00:00
parent dfab686ce8
commit b806b3d3f8
1 changed files with 21 additions and 6 deletions
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27
src/backend/parser/analyze.c
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@ -7,7 +7,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/analyze.c,v 1.85 1998/09/01 04:30:15 momjian Exp $ * $Header: /cvsroot/pgsql/src/backend/parser/analyze.c,v 1.86 1998/09/03 14:21:06 thomas Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -269,8 +269,8 @@ transformInsertStmt(ParseState *pstate, InsertStmt *stmt)
int ndef = pstate->p_target_relation->rd_att->constr->num_defval; int ndef = pstate->p_target_relation->rd_att->constr->num_defval;
/* /*
* if stmt->cols == NIL then makeTargetNames returns list of all * if stmt->cols == NIL then makeTargetNames returns list of all attrs.
* attrs: have to shorter icolumns list... * May have to shorten icolumns list...
*/ */
if (stmt->cols == NIL) if (stmt->cols == NIL)
{ {
@ -279,11 +279,26 @@ transformInsertStmt(ParseState *pstate, InsertStmt *stmt)
foreach(extrl, icolumns) foreach(extrl, icolumns)
{ {
/*
* decrements first, so if we started with zero items
* it will now be negative
*/
if (--i <= 0) if (--i <= 0)
break; break;
} }
freeList(lnext(extrl)); /*
lnext(extrl) = NIL; * this an index into the targetList,
* so make sure we had one to start...
*/
if (i >= 0)
{
freeList(lnext(extrl));
lnext(extrl) = NIL;
}
else
{
icolumns = NIL;
}
} }
while (ndef-- > 0) while (ndef-- > 0)
@ -295,7 +310,7 @@ transformInsertStmt(ParseState *pstate, InsertStmt *stmt)
foreach(tl, icolumns) foreach(tl, icolumns)
{ {
id = (Ident *) lfirst(tl); id = (Ident *) lfirst(tl);
if (!namestrcmp(&(att[defval[ndef].adnum - 1]->attname), id->name)) if (namestrcmp(&(att[defval[ndef].adnum - 1]->attname), id->name) == 0)
break; break;
} }
if (tl != NIL) /* something given for this attr */ if (tl != NIL) /* something given for this attr */