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|
SELECT setting::integer < 90600 AS pre_96
FROM pg_settings WHERE name = 'server_version_num';
pre_96
--------
f
(1 row)
/* Run tests as unprivileged user */
SET ROLE TO periods_unprivileged_user;
/* SYSTEM_TIME with date */
BEGIN;
SELECT transaction_timestamp()::date AS xd,
transaction_timestamp()::timestamp AS xts,
transaction_timestamp() AS xtstz
\gset
CREATE TABLE sysver_date (val text, start_date date, end_date date);
SELECT periods.add_system_time_period('sysver_date', 'start_date', 'end_date');
add_system_time_period
------------------------
t
(1 row)
TABLE periods.periods;
table_name | period_name | start_column_name | end_column_name | range_type | bounds_check_constraint
-------------+-------------+-------------------+-----------------+------------+-------------------------------
sysver_date | system_time | start_date | end_date | daterange | sysver_date_system_time_check
(1 row)
INSERT INTO sysver_date DEFAULT VALUES;
SELECT val, start_date = :'xd' AS start_date_eq, end_date FROM sysver_date;
val | start_date_eq | end_date
-----+---------------+----------
| t | infinity
(1 row)
DROP TABLE sysver_date;
/* SYSTEM_TIME with timestamp without time zone */
CREATE TABLE sysver_ts (val text, start_ts timestamp without time zone, end_ts timestamp without time zone);
SELECT periods.add_system_time_period('sysver_ts', 'start_ts', 'end_ts');
add_system_time_period
------------------------
t
(1 row)
TABLE periods.periods;
table_name | period_name | start_column_name | end_column_name | range_type | bounds_check_constraint
------------+-------------+-------------------+-----------------+------------+-----------------------------
sysver_ts | system_time | start_ts | end_ts | tsrange | sysver_ts_system_time_check
(1 row)
INSERT INTO sysver_ts DEFAULT VALUES;
SELECT val, start_ts = :'xts' AS start_ts_eq, end_ts FROM sysver_ts;
val | start_ts_eq | end_ts
-----+-------------+----------
| t | infinity
(1 row)
DROP TABLE sysver_ts;
/* SYSTEM_TIME with timestamp with time zone */
CREATE TABLE sysver_tstz (val text, start_tstz timestamp with time zone, end_tstz timestamp with time zone);
SELECT periods.add_system_time_period('sysver_tstz', 'start_tstz', 'end_tstz');
add_system_time_period
------------------------
t
(1 row)
TABLE periods.periods;
table_name | period_name | start_column_name | end_column_name | range_type | bounds_check_constraint
-------------+-------------+-------------------+-----------------+------------+-------------------------------
sysver_tstz | system_time | start_tstz | end_tstz | tstzrange | sysver_tstz_system_time_check
(1 row)
INSERT INTO sysver_tstz DEFAULT VALUES;
SELECT val, start_tstz = :'xtstz' AS start_tstz_eq, end_tstz FROM sysver_tstz;
val | start_tstz_eq | end_tstz
-----+---------------+----------
| t | infinity
(1 row)
DROP TABLE sysver_tstz;
COMMIT;
/* Basic SYSTEM_TIME periods with CASCADE/purge */
CREATE TABLE sysver (val text);
SELECT periods.add_system_time_period('sysver', 'startname');
add_system_time_period
------------------------
t
(1 row)
SELECT periods.drop_period('sysver', 'system_time', drop_behavior => 'CASCADE', purge => true);
drop_period
-------------
t
(1 row)
SELECT periods.add_system_time_period('sysver', end_column_name => 'endname');
add_system_time_period
------------------------
t
(1 row)
SELECT periods.drop_period('sysver', 'system_time', drop_behavior => 'CASCADE', purge => true);
drop_period
-------------
t
(1 row)
SELECT periods.add_system_time_period('sysver', 'startname', 'endname');
add_system_time_period
------------------------
t
(1 row)
TABLE periods.periods;
table_name | period_name | start_column_name | end_column_name | range_type | bounds_check_constraint
------------+-------------+-------------------+-----------------+------------+--------------------------
sysver | system_time | startname | endname | tstzrange | sysver_system_time_check
(1 row)
TABLE periods.system_time_periods;
table_name | period_name | infinity_check_constraint | generated_always_trigger | write_history_trigger | truncate_trigger | excluded_column_names
------------+-------------+-------------------------------+-------------------------------------+----------------------------------+------------------+-----------------------
sysver | system_time | sysver_endname_infinity_check | sysver_system_time_generated_always | sysver_system_time_write_history | sysver_truncate | {}
(1 row)
SELECT periods.drop_system_time_period('sysver', drop_behavior => 'CASCADE', purge => true);
drop_system_time_period
-------------------------
t
(1 row)
SELECT periods.add_system_time_period('sysver', 'endname', 'startname',
bounds_check_constraint => 'b',
infinity_check_constraint => 'i',
generated_always_trigger => 'g',
write_history_trigger => 'w',
truncate_trigger => 't');
add_system_time_period
------------------------
t
(1 row)
TABLE periods.periods;
table_name | period_name | start_column_name | end_column_name | range_type | bounds_check_constraint
------------+-------------+-------------------+-----------------+------------+-------------------------
sysver | system_time | endname | startname | tstzrange | b
(1 row)
TABLE periods.system_time_periods;
table_name | period_name | infinity_check_constraint | generated_always_trigger | write_history_trigger | truncate_trigger | excluded_column_names
------------+-------------+---------------------------+--------------------------+-----------------------+------------------+-----------------------
sysver | system_time | i | g | w | t | {}
(1 row)
SELECT periods.drop_system_time_period('sysver', drop_behavior => 'CASCADE', purge => true);
drop_system_time_period
-------------------------
t
(1 row)
SELECT periods.add_system_time_period('sysver');
add_system_time_period
------------------------
t
(1 row)
DROP TABLE sysver;
TABLE periods.periods;
table_name | period_name | start_column_name | end_column_name | range_type | bounds_check_constraint
------------+-------------+-------------------+-----------------+------------+-------------------------
(0 rows)
TABLE periods.system_time_periods;
table_name | period_name | infinity_check_constraint | generated_always_trigger | write_history_trigger | truncate_trigger | excluded_column_names
------------+-------------+---------------------------+--------------------------+-----------------------+------------------+-----------------------
(0 rows)
/* Forbid UNIQUE keys on system_time columns */
CREATE TABLE no_unique (col1 timestamp with time zone, s bigint, e bigint);
SELECT periods.add_period('no_unique', 'p', 's', 'e');
add_period
------------
t
(1 row)
SELECT periods.add_unique_key('no_unique', ARRAY['col1'], 'p'); -- passes
add_unique_key
------------------
no_unique_col1_p
(1 row)
SELECT periods.add_system_time_period('no_unique');
add_system_time_period
------------------------
t
(1 row)
SELECT periods.add_unique_key('no_unique', ARRAY['system_time_start'], 'p'); -- fails
ERROR: columns in period for SYSTEM_TIME are not allowed in UNIQUE keys
CONTEXT: PL/pgSQL function periods.add_unique_key(regclass,name[],name,name,name,name) line 78 at RAISE
SELECT periods.add_unique_key('no_unique', ARRAY['system_time_end'], 'p'); -- fails
ERROR: columns in period for SYSTEM_TIME are not allowed in UNIQUE keys
CONTEXT: PL/pgSQL function periods.add_unique_key(regclass,name[],name,name,name,name) line 78 at RAISE
SELECT periods.add_unique_key('no_unique', ARRAY['col1'], 'system_time'); -- fails
ERROR: periods for SYSTEM_TIME are not allowed in UNIQUE keys
CONTEXT: PL/pgSQL function periods.add_unique_key(regclass,name[],name,name,name,name) line 35 at RAISE
SELECT periods.drop_system_time_period('no_unique');
drop_system_time_period
-------------------------
t
(1 row)
SELECT periods.add_unique_key('no_unique', ARRAY['system_time_start'], 'p'); -- passes
add_unique_key
-------------------------------
no_unique_system_time_start_p
(1 row)
SELECT periods.add_unique_key('no_unique', ARRAY['system_time_end'], 'p'); -- passes
add_unique_key
-----------------------------
no_unique_system_time_end_p
(1 row)
SELECT periods.add_system_time_period('no_unique'); -- fails
ERROR: columns in period for SYSTEM_TIME are not allowed in UNIQUE keys
CONTEXT: PL/pgSQL function periods.add_system_time_period(regclass,name,name,name,name,name,name,name,name[]) line 48 at RAISE
SELECT periods.drop_unique_key('no_unique', 'no_unique_system_time_start_p');
drop_unique_key
-----------------
(1 row)
SELECT periods.drop_unique_key('no_unique', 'no_unique_system_time_end_p');
drop_unique_key
-----------------
(1 row)
/* Forbid foreign keys on system_time columns */
CREATE TABLE no_unique_ref (LIKE no_unique);
SELECT periods.add_period('no_unique_ref', 'q', 's', 'e');
add_period
------------
t
(1 row)
SELECT periods.add_system_time_period('no_unique_ref');
add_system_time_period
------------------------
t
(1 row)
SELECT periods.add_foreign_key('no_unique_ref', ARRAY['system_time_start'], 'q', 'no_unique_col1_p'); -- fails
ERROR: columns in period for SYSTEM_TIME are not allowed in UNIQUE keys
CONTEXT: PL/pgSQL function periods.add_foreign_key(regclass,name[],name,name,periods.fk_match_types,periods.fk_actions,periods.fk_actions,name,name,name,name,name) line 46 at RAISE
SELECT periods.add_foreign_key('no_unique_ref', ARRAY['system_time_end'], 'q', 'no_unique_col1_p'); -- fails
ERROR: columns in period for SYSTEM_TIME are not allowed in UNIQUE keys
CONTEXT: PL/pgSQL function periods.add_foreign_key(regclass,name[],name,name,periods.fk_match_types,periods.fk_actions,periods.fk_actions,name,name,name,name,name) line 46 at RAISE
SELECT periods.add_foreign_key('no_unique_ref', ARRAY['col1'], 'system_time', 'no_unique_col1_p'); -- fails
ERROR: periods for SYSTEM_TIME are not allowed in foreign keys
CONTEXT: PL/pgSQL function periods.add_foreign_key(regclass,name[],name,name,periods.fk_match_types,periods.fk_actions,periods.fk_actions,name,name,name,name,name) line 34 at RAISE
SELECT periods.drop_system_time_period('no_unique_ref');
drop_system_time_period
-------------------------
t
(1 row)
SELECT periods.add_foreign_key('no_unique_ref', ARRAY['system_time_start'], 'q', 'no_unique_col1_p'); -- passes
add_foreign_key
-----------------------------------
no_unique_ref_system_time_start_q
(1 row)
SELECT periods.add_foreign_key('no_unique_ref', ARRAY['system_time_end'], 'q', 'no_unique_col1_p'); -- passes
add_foreign_key
---------------------------------
no_unique_ref_system_time_end_q
(1 row)
SELECT periods.add_system_time_period('no_unique_ref'); -- fails
ERROR: columns for SYSTEM_TIME must not be part of foreign keys
CONTEXT: PL/pgSQL function periods.add_system_time_period(regclass,name,name,name,name,name,name,name,name[]) line 168 at RAISE
DROP TABLE no_unique, no_unique_ref;
|
