Make psql support tab completion of EXECUTE <prepared-statement-name>.

Andreas Karlsson, reviewed by Josh Kupershmidt

diff --git a/src/bin/psql/tab-complete.c b/src/bin/psql/tab-complete.c
index abf9bc7396214bd0b2dbabf194704b2964ba0ea1..aba9b4b5aac597ff20b1ce428a8d42401ffd32e3 100644 (file)
--- a/src/bin/psql/tab-complete.c
+++ b/src/bin/psql/tab-complete.c
@@ -588,6 +588,11 @@ static const SchemaQuery Query_for_list_of_views = {
 "   FROM pg_catalog.pg_available_extensions "\
 "  WHERE substring(pg_catalog.quote_ident(name),1,%d)='%s' AND installed_version IS NULL"
 
+#define Query_for_list_of_prepared_statements \
+" SELECT pg_catalog.quote_ident(name) "\
+"   FROM pg_catalog.pg_prepared_statements "\
+"  WHERE substring(pg_catalog.quote_ident(name),1,%d)='%s'"
+
 /*
  * This is a list of all "things" in Pgsql, which can show up after CREATE or
  * DROP; and there is also a query to get a list of them.
@@ -1908,7 +1913,8 @@ psql_completion(char *text, int start, int end)
             pg_strcasecmp(prev_wd, "ON") == 0)
        COMPLETE_WITH_SCHEMA_QUERY(Query_for_list_of_views, NULL);
    /* complete CREATE TRIGGER ... EXECUTE with PROCEDURE */
-   else if (pg_strcasecmp(prev_wd, "EXECUTE") == 0)
+   else if (pg_strcasecmp(prev_wd, "EXECUTE") == 0 &&
+            prev2_wd[0] != '\0')
        COMPLETE_WITH_CONST("PROCEDURE");
 
 /* CREATE ROLE,USER,GROUP */
@@ -2117,6 +2123,11 @@ psql_completion(char *text, int start, int end)
        COMPLETE_WITH_LIST(list_ALTERTEXTSEARCH);
    }
 
+/* EXECUTE, but not EXECUTE embedded in other commands */
+   else if (pg_strcasecmp(prev_wd, "EXECUTE") == 0 &&
+            prev2_wd[0] == '\0')
+       COMPLETE_WITH_QUERY(Query_for_list_of_prepared_statements);
+
 /* EXPLAIN */
 
    /*