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Remove long-dead support for invoking queries from dynamically loaded

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backend functions via backend PQexec().  The SPI interface has long
been our only documented way to do this, and the backend pqexec/portal
code is unused and suffering bit-rot.  I'm putting it out of its misery.
This commit is contained in:
Tom Lane
2000-07-08 03:04:41 +00:00
parent a98eaa0191
commit ba62fe32c3
18 changed files with 56 additions and 2227 deletions
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42
src/backend/tcop/dest.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/tcop/dest.c,v 1.38 2000/01/26 05:57:07 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/tcop/dest.c,v 1.39 2000/07/08 03:04:15 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -72,9 +72,6 @@ static DestReceiver donothingDR = {
static DestReceiver printtup_internalDR = {
printtup_internal, donothingSetup, donothingCleanup
};
static DestReceiver be_printtupDR = {
be_printtup, donothingSetup, donothingCleanup
};
static DestReceiver debugtupDR = {
debugtup, donothingSetup, donothingCleanup
};
@ -95,18 +92,16 @@ BeginCommand(char *pname,
char *tag,
CommandDest dest)
{
PortalEntry *entry;
Form_pg_attribute *attrs = tupdesc->attrs;
int natts = tupdesc->natts;
int i;
char *p;
switch (dest)
{
case Remote:
case RemoteInternal:
/* ----------------
* if this is a "retrieve portal" query, done
* if this is a "retrieve into portal" query, done
* because nothing needs to be sent to the fe.
* ----------------
*/
@ -158,32 +153,6 @@ BeginCommand(char *pname,
}
break;
case Local:
/* ----------------
* prepare local portal buffer for query results
* and setup result for PQexec()
* ----------------
*/
entry = be_currentportal();
if (pname != NULL)
pbuf_setportalinfo(entry, pname);
if (operation == CMD_SELECT && !isIntoRel)
{
be_typeinit(entry, tupdesc, natts);
p = (char *) palloc(strlen(entry->name) + 2);
p[0] = 'P';
strcpy(p + 1, entry->name);
}
else
{
p = (char *) palloc(strlen(tag) + 2);
p[0] = 'C';
strcpy(p + 1, tag);
}
entry->result = p;
break;
case Debug:
/* ----------------
* show the return type of the tuples
@ -219,10 +188,6 @@ DestToFunction(CommandDest dest)
return &printtup_internalDR;
break;
case Local:
return &be_printtupDR;
break;
case Debug:
return &debugtupDR;
break;
@ -266,7 +231,6 @@ EndCommand(char *commandTag, CommandDest dest)
CommandInfo[0] = '\0';
break;
case Local:
case Debug:
case None:
default:
@ -329,7 +293,6 @@ NullCommand(CommandDest dest)
pq_putbytes("I", 2);/* note we send I and \0 */
break;
case Local:
case Debug:
case None:
default:
@ -360,7 +323,6 @@ ReadyForQuery(CommandDest dest)
pq_flush();
break;
case Local:
case Debug:
case None:
default: