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Use "replication" as the database name when constructing a connection

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string for a streaming replication connection. It's ignored by the
server, but allows libpq to pick up the password from .pgpass where
"replication" is specified as the database name.

Patch by Fujii Masao per Tom's suggestion, with some wording changes by me.
This commit is contained in:
Heikki Linnakangas
2010-06-11 10:13:09 +00:00
parent c46f861c0d
commit e751b71b56
4 changed files with 23 additions and 13 deletions
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14
src/backend/replication/libpqwalreceiver/libpqwalreceiver.c
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@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/replication/libpqwalreceiver/libpqwalreceiver.c,v 1.10 2010/04/21 03:32:53 tgl Exp $
* $PostgreSQL: pgsql/src/backend/replication/libpqwalreceiver/libpqwalreceiver.c,v 1.11 2010/06/11 10:13:09 heikki Exp $
*
*-------------------------------------------------------------------------
*/
@ -77,7 +77,7 @@ _PG_init(void)
static bool
libpqrcv_connect(char *conninfo, XLogRecPtr startpoint)
{
char conninfo_repl[MAXCONNINFO + 18];
char conninfo_repl[MAXCONNINFO + 37];
char *primary_sysid;
char standby_sysid[32];
TimeLineID primary_tli;
@ -85,8 +85,14 @@ libpqrcv_connect(char *conninfo, XLogRecPtr startpoint)
PGresult *res;
char cmd[64];
/* Connect using deliberately undocumented parameter: replication */
snprintf(conninfo_repl, sizeof(conninfo_repl), "%s replication=true", conninfo);
/*
* Connect using deliberately undocumented parameter: replication.
* The database name is ignored by the server in replication mode, but
* specify "replication" for .pgpass lookup.
*/
snprintf(conninfo_repl, sizeof(conninfo_repl),
"%s dbname=replication replication=true",
conninfo);
streamConn = PQconnectdb(conninfo_repl);
if (PQstatus(streamConn) != CONNECTION_OK)