03:31:00

(1 row)

SELECT CAST(CAST(date 'today' + time with time zone '03:30'

+ interval '1 month 04:01'AS time with time zone) AS time) AS "07:31:00";

SELECT CAST(cast(date 'today' + time with time zone '03:30-08'

+ interval '1 month 04:01'as timestamp without time zone) AS time) AS "07:31:00";

07:31:00

----------

06:31:00

07:31:00

(1 row)

SELECT interval '04:30' - time with time zone '01:02-05' AS "20:32:00-05";

03:31:00

(1 row)

SELECT CAST(CAST(date 'today' + time with time zone '03:30'

+ interval '1 month 04:01'AS time with time zone) AS time) AS "07:31:00";

SELECT CAST(cast(date 'today' + time with time zone '03:30-08'

+ interval '1 month 04:01'as timestamp without time zone) AS time) AS "07:31:00";

07:31:00

----------

07:31:00

SELECT tablename, rulename, definition FROM pg_rules

ORDER BY tablename, rulename;

tablename | rulename |definition

---------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

tablename | rulename | definition

---------------+-----------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

rtest_emp | rtest_emp_del | CREATE RULE rtest_emp_del AS ON DELETE TO rtest_emp DO INSERT INTO rtest_emplog (ename, who, "action", newsal, oldsal) VALUES (old.ename, "current_user"(), 'fired '::bpchar, '$0.00'::money, old.salary);

rtest_emp | rtest_emp_ins | CREATE RULE rtest_emp_ins AS ON INSERT TO rtest_emp DO INSERT INTO rtest_emplog (ename, who, "action", newsal, oldsal) VALUES (new.ename, "current_user"(), 'hired '::bpchar, new.salary, '$0.00'::money);

rtest_emp | rtest_emp_upd | CREATE RULE rtest_emp_upd AS ON UPDATE TO rtest_emp WHERE (new.salary <> old.salary) DO INSERT INTO rtest_emplog (ename, who, "action", newsal, oldsal) VALUES (new.ename, "current_user"(), 'honored '::bpchar, new.salary, old.salary);

shoelace | shoelace_del | CREATE RULE shoelace_del AS ON DELETE TO shoelace DO INSTEAD DELETE FROM shoelace_data WHERE (shoelace_data.sl_name = old.sl_name);

shoelace | shoelace_ins | CREATE RULE shoelace_ins AS ON INSERT TO shoelace DO INSTEAD INSERT INTO shoelace_data (sl_name, sl_avail, sl_color, sl_len, sl_unit) VALUES (new.sl_name, new.sl_avail, new.sl_color, new.sl_len, new.sl_unit);

shoelace | shoelace_upd | CREATE RULE shoelace_upd AS ON UPDATE TO shoelace DO INSTEAD UPDATE shoelace_data SET sl_name = new.sl_name, sl_avail = new.sl_avail, sl_color = new.sl_color, sl_len = new.sl_len, sl_unit = new.sl_unit WHERE (shoelace_data.sl_name = old.sl_name);

shoelace_data | log_shoelace | CREATE RULE log_shoelace AS ON UPDATE TO shoelace_data WHERE (new.sl_avail <> old.sl_avail) DO INSERT INTO shoelace_log (sl_name, sl_avail, log_who, log_when) VALUES (new.sl_name, new.sl_avail, 'Al Bundy'::name,'Thu Jan 01 00:00:00 1970'::"timestamp");

shoelace_data | log_shoelace | CREATE RULE log_shoelace AS ON UPDATE TO shoelace_data WHERE (new.sl_avail <> old.sl_avail) DO INSERT INTO shoelace_log (sl_name, sl_avail, log_who, log_when) VALUES (new.sl_name, new.sl_avail, 'Al Bundy'::name,"timestamp"('epoch'::text));

shoelace_ok | shoelace_ok_ins | CREATE RULE shoelace_ok_ins AS ON INSERT TO shoelace_ok DO INSTEAD UPDATE shoelace SET sl_avail = (shoelace.sl_avail + new.ok_quant) WHERE (shoelace.sl_name = new.ok_name);

(27 rows)

SELECT CAST(CAST(date'today'+time with time zone'01:30'

+ interval'02:01'AStime with time zone)AStime)AS"03:31:00";

SELECT CAST(CAST(date'today'+time with time zone'03:30'

+ interval'1 month 04:01'AStime with time zone)AStime)AS"07:31:00";

SELECT CAST(cast(date'today'+time with time zone'03:30-08'

+ interval'1 month 04:01'astimestamp without time zone)AStime)AS"07:31:00";

SELECT interval'04:30'-time with time zone'01:02-05'AS"20:32:00-05";