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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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5
src/include/utils/lsyscache.h
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@@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: lsyscache.h,v 1.55 2002/07/12 18:43:19 tgl Exp $
* $Id: lsyscache.h,v 1.56 2002/08/02 18:15:09 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -18,9 +18,8 @@
extern bool op_in_opclass(Oid opno, Oid opclass);
extern bool op_requires_recheck(Oid opno, Oid opclass);
extern char *get_attname(Oid relid, AttrNumber attnum);
extern AttrNumber get_attnum(Oid relid, char *attname);
extern AttrNumber get_attnum(Oid relid, const char *attname);
extern Oid get_atttype(Oid relid, AttrNumber attnum);
extern bool get_attisset(Oid relid, char *attname);
extern int32 get_atttypmod(Oid relid, AttrNumber attnum);
extern void get_atttypetypmod(Oid relid, AttrNumber attnum,
Oid *typid, int32 *typmod);