Print more detailed eror code

knizhnik · knizhnik · commit 0bc1e7d7aabd · 2015-12-29T11:13:19.000+03:00
diff --git a/contrib/multimaster/multimaster.c b/contrib/multimaster/multimaster.c
@@ -1202,7 +1202,11 @@ mm_stop_replication(PG_FUNCTION_ARGS)
 static bool MMRunUtilityStmt(PGconn* conn, char const* sql)
 {
 	PGresult *result = PQexec(conn, sql);
-	bool ret = PQresultStatus(result) == PGRES_COMMAND_OK;
+	int status = PQresultStatus(result);
+	bool ret = status == PGRES_COMMAND_OK;
+	if (!ret) { 
+		elog(WARNING, "Command '%s' failed with status %d", sql, status);
+	}
 	PQclear(result);
 	return ret;
 }
diff --git a/contrib/multimaster/tests/perf.yml b/contrib/multimaster/tests/perf.yml
@@ -46,7 +46,7 @@
   - name: run transfers
     shell: >
       ~/pg_cluster/install/bin/dtmbench {{connections}}
-      -w {{ nconns }} -r 1 -n 5000 -a 500000 -p {{ up }} |
+      -w {{ nconns }} -r 0 -n 100000 -a 500000 -p {{ up }} |
       tee -a perf.results |
       sed "s/^/`hostname`:/"
     register: transfers_result

Original file line number	Diff line number	Diff line change
`@@ -1202,7 +1202,11 @@ mm_stop_replication(PG_FUNCTION_ARGS)`
`1202`	`1202`	`static bool MMRunUtilityStmt(PGconn* conn, char const* sql)`
`1203`	`1203`	`{`
`1204`	`1204`	`PGresult *result = PQexec(conn, sql);`
`1205`		`- bool ret = PQresultStatus(result) == PGRES_COMMAND_OK;`
	`1205`	`+ int status = PQresultStatus(result);`
	`1206`	`+ bool ret = status == PGRES_COMMAND_OK;`
	`1207`	`+ if (!ret) {`
	`1208`	`+ elog(WARNING, "Command '%s' failed with status %d", sql, status);`
	`1209`	`+ }`
`1206`	`1210`	`PQclear(result);`
`1207`	`1211`	`return ret;`
`1208`	`1212`	`}`