Improve ALTER POLICY tab completion.

Complete "ALTER POLICY" with a policy name, as we do for DROP POLICY.
And, complete "ALTER POLICY polname ON" with a table name that has such
a policy, as we do for DROP POLICY, rather than with any table name
at all.

Masahiko Sawada

diff --git a/src/bin/psql/tab-complete.c b/src/bin/psql/tab-complete.c
index b58ec14418f233c2b53196b455b2b78633ad7771..8c4888119d861e586395889a066e2df8a67981c4 100644 (file)
--- a/src/bin/psql/tab-complete.c
+++ b/src/bin/psql/tab-complete.c
@@ -1459,6 +1459,10 @@ psql_completion(const char *text, int start, int end)
        COMPLETE_WITH_LIST(list_ALTERMATVIEW);
    }
 
+   /* ALTER POLICY <name> */
+   else if (pg_strcasecmp(prev2_wd, "ALTER") == 0 &&
+            pg_strcasecmp(prev_wd, "POLICY") == 0)
+       COMPLETE_WITH_QUERY(Query_for_list_of_policies);
    /* ALTER POLICY <name> ON */
    else if (pg_strcasecmp(prev3_wd, "ALTER") == 0 &&
             pg_strcasecmp(prev2_wd, "POLICY") == 0)
@@ -1467,7 +1471,10 @@ psql_completion(const char *text, int start, int end)
    else if (pg_strcasecmp(prev4_wd, "ALTER") == 0 &&
             pg_strcasecmp(prev3_wd, "POLICY") == 0 &&
             pg_strcasecmp(prev_wd, "ON") == 0)
-       COMPLETE_WITH_SCHEMA_QUERY(Query_for_list_of_tables, NULL);
+   {
+       completion_info_charp = prev2_wd;
+       COMPLETE_WITH_QUERY(Query_for_list_of_tables_for_policy);
+   }
    /* ALTER POLICY <name> ON <table> - show options */
    else if (pg_strcasecmp(prev5_wd, "ALTER") == 0 &&
             pg_strcasecmp(prev4_wd, "POLICY") == 0 &&