Remove unused functions.

src/backend/gp_libpq_fe/fe-exec.c

@@ -3581,97 +3581,3 @@ PQunescapeBytea(const unsigned char *strtext, size_t *retbuflen)
 	*retbuflen = buflen;
 	return tmpbuf;
 }
-
-int PQsendCreateGang(PGconn * conn, int size, void * binaryGangInfo)
-{
-	char * query = "create gang";
-	
-	if (!PQexecStart(conn))
-		return 0;
-
-
-	PQsendQueryStart(conn);
-	
-	/* construct the outgoing Query message */
-	if (pqPutMsgStart('G', false, conn) < 0 ||
-		pqPuts(query, conn) < 0 ||
-		pqPutInt(size, 4, conn) < 0 ||
-		pqPutnchar(binaryGangInfo, size, conn) < 0 ||
-		pqPutMsgEnd(conn) < 0)
-	{
-		pqHandleSendFailure(conn);
-		return 0;
-	}
-	
-	/* remember we are using simple query protocol */
-	conn->queryclass = PGQUERY_SIMPLE;
-
-	/* and remember the query text too, if possible */
-	/* if insufficient memory, last_query just winds up NULL */
-	if (conn->last_query)
-		free(conn->last_query);
-	conn->last_query = strdup(query);
-
-	/*
-	 * Give the data a push.  In nonblock mode, don't complain if we're unable
-	 * to send it all; PQgetResult() will do any additional flushing needed.
-	 */
-	if (pqFlush(conn) < 0)
-	{
-		pqHandleSendFailure(conn);
-		return 0;
-	}
-
-	/* OK, it's launched! */
-	conn->asyncStatus = PGASYNC_BUSY;
-	
-	return 1;
-
-
-}
-
-int PQsendControlGang(PGconn * conn, int gang_id, const char * query)
-{
-	
-	if (!PQexecStart(conn))
-		return 0;
-
-
-	PQsendQueryStart(conn);
-	
-	/* construct the outgoing Query message */
-	if (pqPutMsgStart('G', false, conn) < 0 ||
-		pqPuts(query, conn) < 0 ||
-		pqPutInt(gang_id, 4, conn) < 0 ||
-		pqPutMsgEnd(conn) < 0)
-	{
-		pqHandleSendFailure(conn);
-		return 0;
-	}
-	
-	/* remember we are using simple query protocol */
-	conn->queryclass = PGQUERY_SIMPLE;
-
-	/* and remember the query text too, if possible */
-	/* if insufficient memory, last_query just winds up NULL */
-	if (conn->last_query)
-		free(conn->last_query);
-	conn->last_query = strdup(query);
-
-	/*
-	 * Give the data a push.  In nonblock mode, don't complain if we're unable
-	 * to send it all; PQgetResult() will do any additional flushing needed.
-	 */
-	if (pqFlush(conn) < 0)
-	{
-		pqHandleSendFailure(conn);
-		return 0;
-	}
-
-	/* OK, it's launched! */
-	conn->asyncStatus = PGASYNC_BUSY;
-	
-	return 1;
-
-
-}

src/backend/gp_libpq_fe/gp-libpq-fe.h

@@ -610,12 +610,6 @@ extern char *PQencryptPassword(const char *passwd, const char *user);
 extern int	pg_char_to_encoding(const char *name);
 extern const char *pg_encoding_to_char(int encoding);
 extern int	pg_valid_server_encoding_id(int encoding);
-/*
- * special routine for sending gang management commands to dispatch agent
- */
-extern int PQsendCreateGang(PGconn * conn, int size, void * binaryGangInfo);
-
-extern int PQsendControlGang(PGconn * conn, int gang_id, const char * query);
 
 #ifdef __cplusplus
 }