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Implement feature of new FE/BE protocol whereby RowDescription identifies

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the column by table OID and column number, if it's a simple column
reference.  Along the way, get rid of reskey/reskeyop fields in Resdoms.
Turns out that representation was not convenient for either the planner
or the executor; we can make the planner deliver exactly what the
executor wants with no more effort.
initdb forced due to change in stored rule representation.
This commit is contained in:
Tom Lane
2003-05-06 00:20:33 +00:00
parent 94a3c60324
commit 2cf57c8f8d
32 changed files with 454 additions and 336 deletions
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14
src/backend/tcop/postgres.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.332 2003/05/05 00:44:56 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.333 2003/05/06 00:20:33 tgl Exp $
*
* NOTES
* this is the "main" module of the postgres backend and
@ -1460,7 +1460,15 @@ exec_describe_portal_message(const char *portal_name)
return; /* can't actually do anything... */
if (portal->tupDesc)
SendRowDescriptionMessage(portal->tupDesc);
{
List *targetlist;
if (portal->strategy == PORTAL_ONE_SELECT)
targetlist = ((Plan *) lfirst(portal->planTrees))->targetlist;
else
targetlist = NIL;
SendRowDescriptionMessage(portal->tupDesc, targetlist);
}
else
pq_putemptymessage('n'); /* NoData */
}
@ -2335,7 +2343,7 @@ PostgresMain(int argc, char *argv[], const char *username)
if (!IsUnderPostmaster)
{
puts("\nPOSTGRES backend interactive interface ");
puts("$Revision: 1.332 $ $Date: 2003/05/05 00:44:56 $\n");
puts("$Revision: 1.333 $ $Date: 2003/05/06 00:20:33 $\n");
}
/*