/* contrib/pg_stat_monitor/pg_stat_monitor--2.2--2.3.sql */

-- complain if script is sourced in psql, rather than via CREATE EXTENSION
\echo Use "ALTER EXTENSION pg_stat_monitor" to load this file. \quit

DROP FUNCTION pgsm_create_11_view();
DROP VIEW pg_stat_monitor;

CREATE OR REPLACE FUNCTION pgsm_create_view() RETURNS INT AS
$$
    DECLARE ver integer;
    BEGIN
        SELECT current_setting('server_version_num') INTO ver;
    IF (ver >= 170000) THEN
        return pgsm_create_17_view();
    END IF;
    IF (ver >= 150000) THEN
        return pgsm_create_15_view();
    END IF;
    IF (ver >= 140000) THEN
        return pgsm_create_14_view();
    END IF;
    IF (ver >= 130000) THEN
        return pgsm_create_13_view();
    END IF;
    RETURN 0;
    END;
$$ LANGUAGE plpgsql;

SELECT pgsm_create_view();
REVOKE ALL ON FUNCTION pgsm_create_view FROM PUBLIC;

GRANT SELECT ON pg_stat_monitor TO PUBLIC;