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The attached patch (against HEAD) implements

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COPY x (a,d,c,b) from stdin;
  COPY x (a,c) to stdout;

as well as the corresponding changes to pg_dump to use the new
functionality.  This functionality is not available when using
the BINARY option.  If a column is not specified in the COPY FROM
statement, its default values will be used.

In addition to this functionality, I tweaked a couple of the
error messages emitted by the new COPY <options> checks.

Brent Verner
This commit is contained in:
Bruce Momjian
2002-07-18 04:43:51 +00:00
parent fc5372e099
commit a90db34b54
9 changed files with 267 additions and 71 deletions
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5
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 1.103 2002/06/20 20:29:34 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/rewrite/rewriteHandler.c,v 1.104 2002/07/18 04:43:50 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -43,7 +43,6 @@ static List *adjustJoinTreeList(Query *parsetree, bool removert, int rt_index);
static void rewriteTargetList(Query *parsetree, Relation target_relation);
static TargetEntry *process_matched_tle(TargetEntry *src_tle,
TargetEntry *prior_tle);
static Node *build_column_default(Relation rel, int attrno);
static void markQueryForUpdate(Query *qry, bool skipOldNew);
static List *matchLocks(CmdType event, RuleLock *rulelocks,
int varno, Query *parsetree);
@ -411,7 +410,7 @@ process_matched_tle(TargetEntry *src_tle,
*
* If there is no default, return a NULL instead.
*/
static Node *
Node *
build_column_default(Relation rel, int attrno)
{
TupleDesc rd_att = rel->rd_att;