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ALTER TABLE DROP COLUMN works. Patch by Christopher Kings-Lynne,

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code review by Tom Lane.  Remaining issues: functions that take or
return tuple types are likely to break if one drops (or adds!)
a column in the table defining the type.  Need to think about what
to do here.

Along the way: some code review for recent COPY changes; mark system
columns attnotnull = true where appropriate, per discussion a month ago.
This commit is contained in:
Tom Lane
2002-08-02 18:15:10 +00:00
parent 5e6528adf7
commit 38bb77a5d1
44 changed files with 1823 additions and 891 deletions
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6
src/backend/rewrite/rewriteHandler.c
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/rewrite/rewriteHandler.c,v 1.104 2002/07/18 04:43:50 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/rewrite/rewriteHandler.c,v 1.105 2002/08/02 18:15:07 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -264,6 +264,10 @@ rewriteTargetList(Query *parsetree, Relation target_relation)
Form_pg_attribute att_tup = target_relation->rd_att->attrs[attrno-1];
TargetEntry *new_tle = NULL;
/* We can ignore deleted attributes */
if (att_tup->attisdropped)
continue;
/*
* Look for targetlist entries matching this attr. We match by
* resno, but the resname should match too.