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Remove add_missing_from GUC and associated parser support for "implicit RTEs".

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Per recent discussion, add_missing_from has been deprecated for long enough to
consider removing, and it's getting in the way of planned parser refactoring.
The system now always behaves as though add_missing_from were OFF.
This commit is contained in:
Tom Lane
2009-10-21 20:22:38 +00:00
parent e1c96527c7
commit 289e2905c8
17 changed files with 57 additions and 204 deletions
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7
src/include/parser/parse_node.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/parser/parse_node.h,v 1.63 2009/09/09 03:32:52 tgl Exp $
* $PostgreSQL: pgsql/src/include/parser/parse_node.h,v 1.64 2009/10/21 20:22:38 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -50,9 +50,8 @@
* This is different from p_relnamespace because a JOIN without an alias does
* not hide the contained tables (so they must still be in p_relnamespace)
* but it does hide their columns (unqualified references to the columns must
* refer to the JOIN, not the member tables). Also, we put POSTQUEL-style
* implicit RTEs into p_relnamespace but not p_varnamespace, so that they
* do not affect the set of columns available for unqualified references.
* refer to the JOIN, not the member tables). Other special RTEs such as
* NEW/OLD for rules may also appear in just one of these lists.
*
* p_ctenamespace: list of CommonTableExprs (WITH items) that are visible
* at the moment. This is different from p_relnamespace because you have