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Re-write part of commit from #116 so we have the query as a view to

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use from the database.
Use the view instead of the query in cluster_show()
This commit is contained in:
Martin
2015-12-18 20:53:52 -03:00
parent 9c002c7e38
commit 56b9ca7992
1 changed files with 32 additions and 4 deletions
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36
repmgr.c
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@@ -679,10 +679,8 @@ do_cluster_show(void)
conn = establish_db_connection(options.conninfo, true);
sqlquery_snprintf(sqlquery,
"SELECT rn.conninfo, rn.type, rn.name, sq.name"
" FROM %s.repl_nodes as rn"
" LEFT JOIN %s.repl_nodes AS sq"
" ON sq.id=rn.upstream_node_id",
"SELECT conninfo, type, name, upstream_node_name"
" FROM %s.repl_show_nodes",
get_repmgr_schema_quoted(conn),
get_repmgr_schema_quoted(conn));
@@ -3911,6 +3909,7 @@ create_schema(PGconn *conn)
}
PQclear(res);
/* an index to improve performance of the view */
sqlquery_snprintf(sqlquery,
"CREATE INDEX idx_repl_status_sort "
@@ -3931,6 +3930,35 @@ create_schema(PGconn *conn)
}
PQclear(res);
/* CREATE VIEW repl_status */
sqlquery_snprintf(sqlquery,
"CREATE VIEW %s.repl_show_nodes AS "
"SELECT rn.id, rn.conninfo, rn.type, rn.name, rn.cluster,"
" rn.priority, rn.active, sq.name AS upstream_node_name"
" FROM %s.repl_nodes as rn"
" LEFT JOIN %s.repl_nodes AS sq"
" ON sq.id=rn.upstream_node_id",
get_repmgr_schema_quoted(conn),
get_repmgr_schema_quoted(conn),
get_repmgr_schema_quoted(conn));
log_debug(_("master register: %s\n"), sqlquery);
res = PQexec(conn, sqlquery);
if (!res || PQresultStatus(res) != PGRES_COMMAND_OK)
{
log_err(_("unable to create view %s.repl_show_nodes: %s\n"),
get_repmgr_schema_quoted(conn), PQerrorMessage(conn));
if (res != NULL)
PQclear(res);
return false;
}
PQclear(res);
/*
* XXX Here we MUST try to load the repmgr_function.sql not hardcode it
* here