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Functions live in namespaces. Qualified function names work, eg

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SELECT schema1.func2(...).  Aggregate names can be qualified at the
syntactic level, but the qualification is ignored for the moment.
This commit is contained in:
Tom Lane
2002-04-09 20:35:55 +00:00
parent c419c22414
commit f2d70d32eb
36 changed files with 655 additions and 661 deletions
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47
src/backend/parser/parse_target.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/parse_target.c,v 1.82 2002/04/05 11:56:53 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/parse_target.c,v 1.83 2002/04/09 20:35:53 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -498,48 +498,34 @@ FigureColnameInternal(Node *node, char **name)
return 2;
case T_ColumnRef:
{
List *fields = ((ColumnRef *) node)->fields;
char *cname = strVal(llast(((ColumnRef *) node)->fields));
while (lnext(fields) != NIL)
fields = lnext(fields);
if (strcmp(strVal(lfirst(fields)), "*") != 0)
if (strcmp(cname, "*") != 0)
{
*name = strVal(lfirst(fields));
*name = cname;
return 2;
}
}
break;
case T_ExprFieldSelect:
{
List *fields = ((ExprFieldSelect *) node)->fields;
char *fname = strVal(llast(((ExprFieldSelect *) node)->fields));
if (fields)
if (strcmp(fname, "*") != 0)
{
while (lnext(fields) != NIL)
fields = lnext(fields);
if (strcmp(strVal(lfirst(fields)), "*") != 0)
{
*name = strVal(lfirst(fields));
return 2;
}
*name = fname;
return 2;
}
}
break;
case T_FuncCall:
*name = ((FuncCall *) node)->funcname;
*name = strVal(llast(((FuncCall *) node)->funcname));
return 2;
case T_A_Const:
if (((A_Const *) node)->typename != NULL)
{
List *names = ((A_Const *) node)->typename->names;
if (names != NIL)
{
while (lnext(names) != NIL)
names = lnext(names);
*name = strVal(lfirst(names));
return 1;
}
*name = strVal(llast(((A_Const *) node)->typename->names));
return 1;
}
break;
case T_TypeCast:
@ -549,15 +535,8 @@ FigureColnameInternal(Node *node, char **name)
{
if (((TypeCast *) node)->typename != NULL)
{
List *names = ((TypeCast *) node)->typename->names;
if (names != NIL)
{
while (lnext(names) != NIL)
names = lnext(names);
*name = strVal(lfirst(names));
return 1;
}
*name = strVal(llast(((TypeCast *) node)->typename->names));
return 1;
}
}
break;