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First phase of work on array improvements. ARRAY[x,y,z] constructor

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expressions, ARRAY(sub-SELECT) expressions, some array functions.
Polymorphic functions using ANYARRAY/ANYELEMENT argument and return
types.  Some regression tests in place, documentation is lacking.
Joe Conway, with some kibitzing from Tom Lane.
This commit is contained in:
Tom Lane
2003-04-08 23:20:04 +00:00
parent 6fb5115850
commit 730840c9b6
47 changed files with 2597 additions and 479 deletions
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20
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 1.98 2003/02/16 02:30:38 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/parse_target.c,v 1.99 2003/04/08 23:20:02 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -470,13 +470,19 @@ FigureColnameInternal(Node *node, char **name)
break;
case T_ExprFieldSelect:
{
char *fname = strVal(llast(((ExprFieldSelect *) node)->fields));
ExprFieldSelect *efs = (ExprFieldSelect *) node;
if (strcmp(fname, "*") != 0)
if (efs->fields)
{
*name = fname;
return 2;
char *fname = strVal(llast(efs->fields));
if (strcmp(fname, "*") != 0)
{
*name = fname;
return 2;
}
}
return FigureColnameInternal(efs->arg, name);
}
break;
case T_FuncCall:
@ -518,6 +524,10 @@ FigureColnameInternal(Node *node, char **name)
return 1;
}
break;
case T_ArrayExpr:
/* make ARRAY[] act like a function */
*name = "array";
return 2;
case T_CoalesceExpr:
/* make coalesce() act like a regular function */
*name = "coalesce";