Change timeline field of IDENTIFY_SYSTEM to int8

It was int4, but in the other replication commands, timelines are
returned as int8.

Reviewed-by: Nathan Bossart 
Discussion: https://www.postgresql.org/message-id/flat/7e4fdbdc-699c-4cd0-115d-fb78a957fc22@enterprisedb.com

diff --git a/doc/src/sgml/protocol.sgml b/doc/src/sgml/protocol.sgml
index a94743b587b23661dd7efc0ce53218e3120cf12a..c0b89a3c01c07250ac5bee9b3069e03bd62bf9d4 100644 (file)
--- a/doc/src/sgml/protocol.sgml
+++ b/doc/src/sgml/protocol.sgml
@@ -1838,7 +1838,7 @@ psql "dbname=postgres replication=database" -c "IDENTIFY_SYSTEM;"
        
 
        
-        timeline (int4)
+        timeline (int8)
         
          
           Current timeline ID. Also useful to check that the standby is

diff --git a/src/backend/replication/walsender.c b/src/backend/replication/walsender.c
index e42671722a808006d340f3258026d26e7ad40d21..fa60c92e13a3321dcf4bdbe59e46f6ff87ba7d2d 100644 (file)
--- a/src/backend/replication/walsender.c
+++ b/src/backend/replication/walsender.c
@@ -444,7 +444,7 @@ IdentifySystem(void)
    TupleDescInitBuiltinEntry(tupdesc, (AttrNumber) 1, "systemid",
                              TEXTOID, -1, 0);
    TupleDescInitBuiltinEntry(tupdesc, (AttrNumber) 2, "timeline",
-                             INT4OID, -1, 0);
+                             INT8OID, -1, 0);
    TupleDescInitBuiltinEntry(tupdesc, (AttrNumber) 3, "xlogpos",
                              TEXTOID, -1, 0);
    TupleDescInitBuiltinEntry(tupdesc, (AttrNumber) 4, "dbname",