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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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6
src/include/nodes/primnodes.h
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@@ -10,7 +10,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: primnodes.h,v 1.58 2002/03/12 00:52:02 tgl Exp $
* $Id: primnodes.h,v 1.59 2002/03/21 16:01:48 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -508,7 +508,7 @@ typedef struct RangeTblRef
* If he writes ON() then only "quals" is set. Note that NATURAL/USING
* are not equivalent to ON() since they also affect the output column list.
*
* alias is an Attr node representing the AS alias-clause attached to the
* alias is an Alias node representing the AS alias-clause attached to the
* join expression, or NULL if no clause. NB: presence or absence of the
* alias has a critical impact on semantics, because a join with an alias
* restricts visibility of the tables/columns inside it.
@@ -527,7 +527,7 @@ typedef struct JoinExpr
Node *rarg; /* right subtree */
List *using; /* USING clause, if any (list of String) */
Node *quals; /* qualifiers on join, if any */
struct Attr *alias; /* user-written alias clause, if any */
struct Alias *alias; /* user-written alias clause, if any */
int rtindex; /* RT index assigned for join */
} JoinExpr;