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First phase of SCHEMA changes, concentrating on fixing the grammar and

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the parsetree representation.  As yet we don't *do* anything with schema
names, just drop 'em on the floor; but you can enter schema-compatible
command syntax, and there's even a primitive CREATE SCHEMA command.
No doc updates yet, except to note that you can now extract a field
from a function-returning-row's result with (foo(...)).fieldname.
This commit is contained in:
Tom Lane
2002-03-21 16:02:16 +00:00
parent 8c9c8ca2b5
commit 95ef6a3448
52 changed files with 2039 additions and 1535 deletions
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7
src/include/parser/parse_expr.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: parse_expr.h,v 1.25 2001/11/05 17:46:34 momjian Exp $
* $Id: parse_expr.h,v 1.26 2002/03/21 16:01:59 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -16,13 +16,12 @@
#include "parser/parse_node.h"
#define EXPR_COLUMN_FIRST 1
#define EXPR_RELATION_FIRST 2
/* GUC parameters */
extern int max_expr_depth;
extern bool Transform_null_equals;
extern Node *transformExpr(ParseState *pstate, Node *expr, int precedence);
extern Node *transformExpr(ParseState *pstate, Node *expr);
extern Oid exprType(Node *expr);
extern int32 exprTypmod(Node *expr);
extern bool exprIsLengthCoercion(Node *expr, int32 *coercedTypmod);