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Rename the members of CommandDest enum so they don't collide with other uses of

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those names.  (Debug and None were pretty bad names anyway.)  I hope I catched
all uses of the names in comments too.
REL8_1_STABLE
Alvaro Herrera 20 years ago
parent 76c9ac8ebb
commit 902377c465
13 changed files with 112 additions and 109 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 9
      src/backend/access/common/printtup.c
  2. 4
      src/backend/commands/async.c
  3. 6
      src/backend/commands/copy.c
  4. 6
      src/backend/commands/portalcmds.c
  5. 14
      src/backend/executor/spi.c
  6. 4
      src/backend/executor/tstoreReceiver.c
  7. 10
      src/backend/postmaster/postmaster.c
  8. 66
      src/backend/tcop/dest.c
  9. 36
      src/backend/tcop/postgres.c
  10. 26
      src/backend/tcop/pquery.c
  11. 12
      src/backend/utils/error/elog.c
  12. 4
      src/backend/utils/misc/guc.c
  13. 24
      src/include/tcop/dest.h

9
src/backend/access/common/printtup.c
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@ -9,7 +9,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/common/printtup.c,v 1.92 2005/10/15 02:49:08 momjian Exp $
* $PostgreSQL: pgsql/src/backend/access/common/printtup.c,v 1.93 2005/11/03 17:11:30 alvherre Exp $
*
*-------------------------------------------------------------------------
*/
@ -94,8 +94,11 @@ printtup_create_DR(CommandDest dest, Portal portal)
self->portal = portal;
/* Send T message automatically if Remote, but not if RemoteExecute */
self->sendDescrip = (dest == Remote);
/*
* Send T message automatically if DestRemote, but not if
* DestRemoteExecute
*/
self->sendDescrip = (dest == DestRemote);
self->attrinfo = NULL;
self->nattrs = 0;

4
src/backend/commands/async.c
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/async.c,v 1.126 2005/10/15 02:49:15 momjian Exp $
* $PostgreSQL: pgsql/src/backend/commands/async.c,v 1.127 2005/11/03 17:11:34 alvherre Exp $
*
*-------------------------------------------------------------------------
*/
@ -994,7 +994,7 @@ ProcessIncomingNotify(void)
static void
NotifyMyFrontEnd(char *relname, int32 listenerPID)
{
if (whereToSendOutput == Remote)
if (whereToSendOutput == DestRemote)
{
StringInfoData buf;

6
src/backend/commands/copy.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/copy.c,v 1.253 2005/10/15 02:49:15 momjian Exp $
* $PostgreSQL: pgsql/src/backend/commands/copy.c,v 1.254 2005/11/03 17:11:34 alvherre Exp $
*
*-------------------------------------------------------------------------
*/
@ -966,7 +966,7 @@ DoCopy(const CopyStmt *stmt)
}
if (pipe)
{
if (whereToSendOutput == Remote)
if (whereToSendOutput == DestRemote)
ReceiveCopyBegin(cstate);
else
cstate->copy_file = stdin;
@ -1017,7 +1017,7 @@ DoCopy(const CopyStmt *stmt)
}
if (pipe)
{
if (whereToSendOutput == Remote)
if (whereToSendOutput == DestRemote)
cstate->fe_copy = true;
else
cstate->copy_file = stdout;

6
src/backend/commands/portalcmds.c
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@ -14,7 +14,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/portalcmds.c,v 1.43 2005/10/15 02:49:15 momjian Exp $
* $PostgreSQL: pgsql/src/backend/commands/portalcmds.c,v 1.44 2005/11/03 17:11:35 alvherre Exp $
*
*-------------------------------------------------------------------------
*/
@ -190,7 +190,7 @@ PerformPortalFetch(FetchStmt *stmt,
return; /* keep compiler happy */
}
/* Adjust dest if needed. MOVE wants destination None */
/* Adjust dest if needed. MOVE wants destination DestNone */
if (stmt->ismove)
dest = None_Receiver;
@ -369,7 +369,7 @@ PersistHoldablePortal(Portal portal)
ExecutorRewind(queryDesc);
/* Change the destination to output to the tuplestore */
queryDesc->dest = CreateDestReceiver(Tuplestore, portal);
queryDesc->dest = CreateDestReceiver(DestTuplestore, portal);
/* Fetch the result set into the tuplestore */
ExecutorRun(queryDesc, ForwardScanDirection, 0L);

14
src/backend/executor/spi.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/executor/spi.c,v 1.143 2005/10/15 02:49:17 momjian Exp $
* $PostgreSQL: pgsql/src/backend/executor/spi.c,v 1.144 2005/11/03 17:11:36 alvherre Exp $
*
*-------------------------------------------------------------------------
*/
@ -984,8 +984,8 @@ void
SPI_cursor_fetch(Portal portal, bool forward, long count)
{
_SPI_cursor_operation(portal, forward, count,
CreateDestReceiver(SPI, NULL));
/* we know that the SPI receiver doesn't need a destroy call */
CreateDestReceiver(DestSPI, NULL));
/* we know that the DestSPI receiver doesn't need a destroy call */
}
@ -1418,7 +1418,7 @@ _SPI_execute_plan(_SPI_plan *plan, Datum *Values, const char *Nulls,
if (!read_only)
CommandCounterIncrement();
dest = CreateDestReceiver(queryTree->canSetTag ? SPI : None,
dest = CreateDestReceiver(queryTree->canSetTag ? DestSPI : DestNone,
NULL);
if (snapshot == InvalidSnapshot)
@ -1527,7 +1527,7 @@ _SPI_pquery(QueryDesc *queryDesc, long tcount)
res = SPI_OK_SELINTO;
queryDesc->dest = None_Receiver; /* don't output results */
}
else if (queryDesc->dest->mydest != SPI)
else if (queryDesc->dest->mydest != DestSPI)
{
/* Don't return SPI_OK_SELECT if we're discarding result */
res = SPI_OK_UTILITY;
@ -1560,7 +1560,7 @@ _SPI_pquery(QueryDesc *queryDesc, long tcount)
_SPI_current->processed = queryDesc->estate->es_processed;
_SPI_current->lastoid = queryDesc->estate->es_lastoid;
if (operation == CMD_SELECT && queryDesc->dest->mydest == SPI)
if (operation == CMD_SELECT && queryDesc->dest->mydest == DestSPI)
{
if (_SPI_checktuples())
elog(ERROR, "consistency check on SPI tuple count failed");
@ -1646,7 +1646,7 @@ _SPI_cursor_operation(Portal portal, bool forward, long count,
*/
_SPI_current->processed = nfetched;
if (dest->mydest == SPI && _SPI_checktuples())
if (dest->mydest == DestSPI && _SPI_checktuples())
elog(ERROR, "consistency check on SPI tuple count failed");
/* Put the result into place for access by caller */

4
src/backend/executor/tstoreReceiver.c
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@ -9,7 +9,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/executor/tstoreReceiver.c,v 1.14 2005/03/16 21:38:08 tgl Exp $
* $PostgreSQL: pgsql/src/backend/executor/tstoreReceiver.c,v 1.15 2005/11/03 17:11:36 alvherre Exp $
*
*-------------------------------------------------------------------------
*/
@ -81,7 +81,7 @@ CreateTuplestoreDestReceiver(Tuplestorestate *tStore,
self->pub.rStartup = tstoreStartupReceiver;
self->pub.rShutdown = tstoreShutdownReceiver;
self->pub.rDestroy = tstoreDestroyReceiver;
self->pub.mydest = Tuplestore;
self->pub.mydest = DestTuplestore;
self->tstore = tStore;
self->cxt = tContext;

10
src/backend/postmaster/postmaster.c
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@ -37,7 +37,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/postmaster/postmaster.c,v 1.472 2005/10/22 14:27:28 adunstan Exp $
* $PostgreSQL: pgsql/src/backend/postmaster/postmaster.c,v 1.473 2005/11/03 17:11:36 alvherre Exp $
*
* NOTES
*
@ -906,13 +906,13 @@ PostmasterMain(int argc, char *argv[])
SysLoggerPID = SysLogger_Start();
/*
* Reset whereToSendOutput from Debug (its starting state) to None. This
* stops ereport from sending log messages to stderr unless
* Reset whereToSendOutput from DestDebug (its starting state) to DestNone.
* This stops ereport from sending log messages to stderr unless
* Log_destination permits. We don't do this until the postmaster is
* fully launched, since startup failures may as well be reported to
* stderr.
*/
whereToSendOutput = None;
whereToSendOutput = DestNone;
/*
* Initialize the statistics collector stuff
@ -2654,7 +2654,7 @@ BackendRun(Port *port)
* Must do this now because authentication uses libpq to send messages.
*/
pq_init(); /* initialize libpq to talk to client */
whereToSendOutput = Remote; /* now safe to ereport to client */
whereToSendOutput = DestRemote; /* now safe to ereport to client */
/*
* We arrange for a simple exit(0) if we receive SIGTERM or SIGQUIT during

66
src/backend/tcop/dest.c
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@ -8,7 +8,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/tcop/dest.c,v 1.66 2005/10/15 02:49:26 momjian Exp $
* $PostgreSQL: pgsql/src/backend/tcop/dest.c,v 1.67 2005/11/03 17:11:38 alvherre Exp $
*
*-------------------------------------------------------------------------
*/
@ -62,20 +62,20 @@ donothingCleanup(DestReceiver *self)
*/
static DestReceiver donothingDR = {
donothingReceive, donothingStartup, donothingCleanup, donothingCleanup,
None
DestNone
};
static DestReceiver debugtupDR = {
debugtup, debugStartup, donothingCleanup, donothingCleanup,
Debug
DestDebug
};
static DestReceiver spi_printtupDR = {
spi_printtup, spi_dest_startup, donothingCleanup, donothingCleanup,
SPI
DestSPI
};
/* Globally available receiver for None */
/* Globally available receiver for DestNone */
DestReceiver *None_Receiver = &donothingDR;
@ -92,8 +92,8 @@ BeginCommand(const char *commandTag, CommandDest dest)
/* ----------------
* CreateDestReceiver - return appropriate receiver function set for dest
*
* Note: a Portal must be specified for destinations Remote, RemoteExecute,
* and Tuplestore. It can be NULL for the others.
* Note: a Portal must be specified for destinations DestRemote,
* DestRemoteExecute, and DestTuplestore. It can be NULL for the others.
* ----------------
*/
DestReceiver *
@ -101,24 +101,24 @@ CreateDestReceiver(CommandDest dest, Portal portal)
{
switch (dest)
{
case Remote:
case RemoteExecute:
case DestRemote:
case DestRemoteExecute:
if (portal == NULL)
elog(ERROR, "no portal specified for Remote receiver");
elog(ERROR, "no portal specified for DestRemote receiver");
return printtup_create_DR(dest, portal);
case None:
case DestNone:
return &donothingDR;
case Debug:
case DestDebug:
return &debugtupDR;
case SPI:
case DestSPI:
return &spi_printtupDR;
case Tuplestore:
case DestTuplestore:
if (portal == NULL)
elog(ERROR, "no portal specified for Tuplestore receiver");
elog(ERROR, "no portal specified for DestTuplestore receiver");
if (portal->holdStore == NULL ||
portal->holdContext == NULL)
elog(ERROR, "portal has no holdStore");
@ -139,15 +139,15 @@ EndCommand(const char *commandTag, CommandDest dest)
{
switch (dest)
{
case Remote:
case RemoteExecute:
case DestRemote:
case DestRemoteExecute:
pq_puttextmessage('C', commandTag);
break;
case None:
case Debug:
case SPI:
case Tuplestore:
case DestNone:
case DestDebug:
case DestSPI:
case DestTuplestore:
break;
}
}
@ -169,8 +169,8 @@ NullCommand(CommandDest dest)
{
switch (dest)
{
case Remote:
case RemoteExecute:
case DestRemote:
case DestRemoteExecute:
/*
* tell the fe that we saw an empty query string. In protocols
@ -182,10 +182,10 @@ NullCommand(CommandDest dest)
pq_puttextmessage('I', "");
break;
case None:
case Debug:
case SPI:
case Tuplestore:
case DestNone:
case DestDebug:
case DestSPI:
case DestTuplestore:
break;
}
}
@ -206,8 +206,8 @@ ReadyForQuery(CommandDest dest)
{
switch (dest)
{
case Remote:
case RemoteExecute:
case DestRemote:
case DestRemoteExecute:
if (PG_PROTOCOL_MAJOR(FrontendProtocol) >= 3)
{
StringInfoData buf;
@ -222,10 +222,10 @@ ReadyForQuery(CommandDest dest)
pq_flush();
break;
case None:
case Debug:
case SPI:
case Tuplestore:
case DestNone:
case DestDebug:
case DestSPI:
case DestTuplestore:
break;
}
}

36
src/backend/tcop/postgres.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/tcop/postgres.c,v 1.467 2005/10/20 20:05:45 tgl Exp $
* $PostgreSQL: pgsql/src/backend/tcop/postgres.c,v 1.468 2005/11/03 17:11:38 alvherre Exp $
*
* NOTES
* this is the "main" module of the postgres backend and
@ -74,7 +74,7 @@ extern char *optarg;
const char *debug_query_string; /* for pgmonitor and log_min_error_statement */
/* Note: whereToSendOutput is initialized for the bootstrap/standalone case */
CommandDest whereToSendOutput = Debug;
CommandDest whereToSendOutput = DestDebug;
/* flag for logging end of session */
bool Log_disconnections = false;
@ -404,7 +404,7 @@ ReadCommand(StringInfo inBuf)
{
int result;
if (whereToSendOutput == Remote)
if (whereToSendOutput == DestRemote)
result = SocketBackend(inBuf);
else
result = InteractiveBackend(inBuf);
@ -1364,7 +1364,7 @@ exec_parse_message(const char *query_string, /* string to execute */
/*
* Send ParseComplete.
*/
if (whereToSendOutput == Remote)
if (whereToSendOutput == DestRemote)
pq_putemptymessage('1');
if (save_log_statement_stats)
@ -1650,7 +1650,7 @@ exec_bind_message(StringInfo input_message)
/*
* Send BindComplete.
*/
if (whereToSendOutput == Remote)
if (whereToSendOutput == DestRemote)
pq_putemptymessage('2');
}
@ -1678,8 +1678,8 @@ exec_execute_message(const char *portal_name, long max_rows)
/* Adjust destination to tell printtup.c what to do */
dest = whereToSendOutput;
if (dest == Remote)
dest = RemoteExecute;
if (dest == DestRemote)
dest = DestRemoteExecute;
portal = GetPortalByName(portal_name);
if (!PortalIsValid(portal))
@ -1835,7 +1835,7 @@ exec_execute_message(const char *portal_name, long max_rows)
else
{
/* Portal run not complete, so send PortalSuspended */
if (whereToSendOutput == Remote)
if (whereToSendOutput == DestRemote)
pq_putemptymessage('s');
}
@ -1913,7 +1913,7 @@ exec_describe_statement_message(const char *stmt_name)
errmsg("unnamed prepared statement does not exist")));
}
if (whereToSendOutput != Remote)
if (whereToSendOutput != DestRemote)
return; /* can't actually do anything... */
/*
@ -1959,7 +1959,7 @@ exec_describe_portal_message(const char *portal_name)
(errcode(ERRCODE_UNDEFINED_CURSOR),
errmsg("portal \"%s\" does not exist", portal_name)));
if (whereToSendOutput != Remote)
if (whereToSendOutput != DestRemote)
return; /* can't actually do anything... */
if (portal->tupDesc)
@ -2938,7 +2938,7 @@ PostgresMain(int argc, char *argv[], const char *username)
/*
* Send this backend's cancellation info to the frontend.
*/
if (whereToSendOutput == Remote &&
if (whereToSendOutput == DestRemote &&
PG_PROTOCOL_MAJOR(FrontendProtocol) >= 2)
{
StringInfoData buf;
@ -2951,7 +2951,7 @@ PostgresMain(int argc, char *argv[], const char *username)
}
/* Welcome banner for standalone case */
if (whereToSendOutput == Debug)
if (whereToSendOutput == DestDebug)
printf("\nPostgreSQL stand-alone backend %s\n", PG_VERSION);
/*
@ -3239,8 +3239,8 @@ PostgresMain(int argc, char *argv[], const char *username)
* Reset whereToSendOutput to prevent ereport from
* attempting to send any more messages to client.
*/
if (whereToSendOutput == Remote)
whereToSendOutput = None;
if (whereToSendOutput == DestRemote)
whereToSendOutput = DestNone;
proc_exit(0);
}
@ -3294,7 +3294,7 @@ PostgresMain(int argc, char *argv[], const char *username)
break;
}
if (whereToSendOutput == Remote)
if (whereToSendOutput == DestRemote)
pq_putemptymessage('3'); /* CloseComplete */
}
break;
@ -3328,7 +3328,7 @@ PostgresMain(int argc, char *argv[], const char *username)
case 'H': /* flush */
pq_getmsgend(&input_message);
if (whereToSendOutput == Remote)
if (whereToSendOutput == DestRemote)
pq_flush();
break;
@ -3350,8 +3350,8 @@ PostgresMain(int argc, char *argv[], const char *username)
* Reset whereToSendOutput to prevent ereport from attempting
* to send any more messages to client.
*/
if (whereToSendOutput == Remote)
whereToSendOutput = None;
if (whereToSendOutput == DestRemote)
whereToSendOutput = DestNone;
/*
* NOTE: if you are tempted to add more code here, DON'T!

26
src/backend/tcop/pquery.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/tcop/pquery.c,v 1.95 2005/10/15 02:49:27 momjian Exp $
* $PostgreSQL: pgsql/src/backend/tcop/pquery.c,v 1.96 2005/11/03 17:11:38 alvherre Exp $
*
*-------------------------------------------------------------------------
*/
@ -471,8 +471,8 @@ PortalStart(Portal portal, ParamListInfo params, Snapshot snapshot)
* Select the format codes for a portal's output.
*
* This must be run after PortalStart for a portal that will be read by
* a Remote or RemoteExecute destination. It is not presently needed for
* other destination types.
* a DestRemote or DestRemoteExecute destination. It is not presently needed
* for other destination types.
*
* formats[] is the client format request, as per Bind message conventions.
*/
@ -633,7 +633,7 @@ PortalRun(Portal portal, long count,
DestReceiver *treceiver;
PortalCreateHoldStore(portal);
treceiver = CreateDestReceiver(Tuplestore, portal);
treceiver = CreateDestReceiver(DestTuplestore, portal);
PortalRunUtility(portal, linitial(portal->parseTrees),
treceiver, NULL);
(*treceiver->rDestroy) (treceiver);
@ -1015,18 +1015,18 @@ PortalRunMulti(Portal portal,
ListCell *planlist_item;
/*
* If the destination is RemoteExecute, change to None. The reason is
* that the client won't be expecting any tuples, and indeed has no way to
* know what they are, since there is no provision for Describe to send a
* RowDescription message when this portal execution strategy is in
* If the destination is DestRemoteExecute, change to DestNone. The reason
* is that the client won't be expecting any tuples, and indeed has no way
* to know what they are, since there is no provision for Describe to send
* a RowDescription message when this portal execution strategy is in
* effect. This presently will only affect SELECT commands added to
* non-SELECT queries by rewrite rules: such commands will be executed,
* but the results will be discarded unless you use "simple Query"
* protocol.
*/
if (dest->mydest == RemoteExecute)
if (dest->mydest == DestRemoteExecute)
dest = None_Receiver;
if (altdest->mydest == RemoteExecute)
if (altdest->mydest == DestRemoteExecute)
altdest = None_Receiver;
/*
@ -1184,7 +1184,7 @@ PortalRunFetch(Portal portal,
DestReceiver *treceiver;
PortalCreateHoldStore(portal);
treceiver = CreateDestReceiver(Tuplestore, portal);
treceiver = CreateDestReceiver(DestTuplestore, portal);
PortalRunUtility(portal, linitial(portal->parseTrees),
treceiver, NULL);
(*treceiver->rDestroy) (treceiver);
@ -1371,7 +1371,7 @@ DoPortalRunFetch(Portal portal,
/* Are we sitting on a row? */
on_row = (!portal->atStart && !portal->atEnd);
if (dest->mydest == None)
if (dest->mydest == DestNone)
{
/* MOVE 0 returns 0/1 based on if FETCH 0 would return a row */
return on_row ? 1L : 0L;
@ -1398,7 +1398,7 @@ DoPortalRunFetch(Portal portal,
/*
* Optimize MOVE BACKWARD ALL into a Rewind.
*/
if (!forward && count == FETCH_ALL && dest->mydest == None)
if (!forward && count == FETCH_ALL && dest->mydest == DestNone)
{
long result = portal->portalPos;

12
src/backend/utils/error/elog.c
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@ -42,7 +42,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/error/elog.c,v 1.165 2005/10/15 02:49:32 momjian Exp $
* $PostgreSQL: pgsql/src/backend/utils/error/elog.c,v 1.166 2005/11/03 17:11:39 alvherre Exp $
*
*-------------------------------------------------------------------------
*/
@ -223,7 +223,7 @@ errstart(int elevel, const char *filename, int lineno,
}
/* Determine whether message is enabled for client output */
if (whereToSendOutput == Remote && elevel != COMMERROR)
if (whereToSendOutput == DestRemote && elevel != COMMERROR)
{
/*
* client_min_messages is honored only after we complete the
@ -374,7 +374,7 @@ errfinish(int dummy,...)
* we must do this even if client is fool enough to have set
* client_min_messages above FATAL, so don't look at output_to_client.
*/
if (elevel >= FATAL && whereToSendOutput == Remote)
if (elevel >= FATAL && whereToSendOutput == DestRemote)
pq_endcopyout(true);
/* Emit the message to the right places */
@ -412,8 +412,8 @@ errfinish(int dummy,...)
* If we just reported a startup failure, the client will disconnect
* on receiving it, so don't send any more to the client.
*/
if (PG_exception_stack == NULL && whereToSendOutput == Remote)
whereToSendOutput = None;
if (PG_exception_stack == NULL && whereToSendOutput == DestRemote)
whereToSendOutput = DestNone;
/*
* fflush here is just to improve the odds that we get to see the
@ -1684,7 +1684,7 @@ send_message_to_server_log(ErrorData *edata)
#endif /* WIN32 */
/* Write to stderr, if enabled */
if ((Log_destination & LOG_DESTINATION_STDERR) || whereToSendOutput == Debug)
if ((Log_destination & LOG_DESTINATION_STDERR) || whereToSendOutput == DestDebug)
{
#ifdef WIN32

4
src/backend/utils/misc/guc.c
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@ -10,7 +10,7 @@
* Written by Peter Eisentraut <peter_e@gmx.net>.
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.296 2005/10/29 00:31:52 petere Exp $
* $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.297 2005/11/03 17:11:39 alvherre Exp $
*
*--------------------------------------------------------------------
*/
@ -3323,7 +3323,7 @@ BeginReportingGUCOptions(void)
* Don't do anything unless talking to an interactive frontend of protocol
* 3.0 or later.
*/
if (whereToSendOutput != Remote ||
if (whereToSendOutput != DestRemote ||
PG_PROTOCOL_MAJOR(FrontendProtocol) < 3)
return;

24
src/include/tcop/dest.h
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@ -15,7 +15,7 @@
* PQexec() or PQfn(). In this case, the results are sent
* to the frontend via the functions in backend/libpq.
*
* - None is the destination when the system executes
* - DestNone is the destination when the system executes
* a query internally. The results are discarded.
*
* dest.c defines three functions that implement destination management:
@ -47,14 +47,14 @@
* object not to disappear while still needed.
*
* Special provision: None_Receiver is a permanently available receiver
* object for the None destination. This avoids useless creation/destroy
* object for the DestNone destination. This avoids useless creation/destroy
* calls in portal and cursor manipulations.
*
*
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/tcop/dest.h,v 1.47 2005/10/15 02:49:46 momjian Exp $
* $PostgreSQL: pgsql/src/include/tcop/dest.h,v 1.48 2005/11/03 17:11:40 alvherre Exp $
*
*-------------------------------------------------------------------------
*/
@ -72,19 +72,19 @@
* CommandDest is a simplistic means of identifying the desired
* destination. Someday this will probably need to be improved.
*
* Note: only the values None, Debug, Remote are legal for the global
* variable whereToSendOutput. The other values may be used
* Note: only the values DestNone, DestDebug, DestRemote are legal for the
* global variable whereToSendOutput. The other values may be used
* as the destination for individual commands.
* ----------------
*/
typedef enum
{
None, /* results are discarded */
Debug, /* results go to debugging output */
Remote, /* results sent to frontend process */
RemoteExecute, /* sent to frontend, in Execute command */
SPI, /* results sent to SPI manager */
Tuplestore /* results sent to Tuplestore */
DestNone, /* results are discarded */
DestDebug, /* results go to debugging output */
DestRemote, /* results sent to frontend process */
DestRemoteExecute, /* sent to frontend, in Execute command */
DestSPI, /* results sent to SPI manager */
DestTuplestore /* results sent to Tuplestore */
} CommandDest;
/* ----------------
@ -115,7 +115,7 @@ struct _DestReceiver
/* Private fields might appear beyond this point... */
};
extern DestReceiver *None_Receiver; /* permanent receiver for None */
extern DestReceiver *None_Receiver; /* permanent receiver for DestNone */
/* This is a forward reference to utils/portal.h */

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