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peterepetere
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Add tests for domain-related information schema views
Reviewed-by: Aleksander Alekseev <aleksander@timescale.com> Discussion: https://www.postgresql.org/message-id/flat/9ec24d7b-633d-463a-84c6-7acff769c9e8%40eisentraut.org
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‎src/test/regress/expected/domain.out‎

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@@ -1207,3 +1207,50 @@ create domain testdomain1 as int constraint unsigned check (value > 0);
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alter domain testdomain1 rename constraint unsigned to unsigned_foo;
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alter domain testdomain1 drop constraint unsigned_foo;
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drop domain testdomain1;
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--
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-- Information schema
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--
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SELECT * FROM information_schema.column_domain_usage
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WHERE domain_name IN ('con', 'dom', 'pos_int', 'things')
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ORDER BY domain_name;
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domain_catalog | domain_schema | domain_name | table_catalog | table_schema | table_name | column_name
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----------------+---------------+-------------+---------------+--------------+------------+-------------
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regression | public | con | regression | public | domcontest | col1
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regression | public | dom | regression | public | domview | col1
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regression | public | things | regression | public | thethings | stuff
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(3 rows)
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SELECT * FROM information_schema.domain_constraints
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WHERE domain_name IN ('con', 'dom', 'pos_int', 'things')
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ORDER BY constraint_name;
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constraint_catalog | constraint_schema | constraint_name | domain_catalog | domain_schema | domain_name | is_deferrable | initially_deferred
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--------------------+-------------------+-----------------+----------------+---------------+-------------+---------------+--------------------
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regression | public | con_check | regression | public | con | NO | NO
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regression | public | meow | regression | public | things | NO | NO
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regression | public | pos_int_check | regression | public | pos_int | NO | NO
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(3 rows)
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SELECT * FROM information_schema.domains
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WHERE domain_name IN ('con', 'dom', 'pos_int', 'things')
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ORDER BY domain_name;
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domain_catalog | domain_schema | domain_name | data_type | character_maximum_length | character_octet_length | character_set_catalog | character_set_schema | character_set_name | collation_catalog | collation_schema | collation_name | numeric_precision | numeric_precision_radix | numeric_scale | datetime_precision | interval_type | interval_precision | domain_default | udt_catalog | udt_schema | udt_name | scope_catalog | scope_schema | scope_name | maximum_cardinality | dtd_identifier
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----------------+---------------+-------------+-----------+--------------------------+------------------------+-----------------------+----------------------+--------------------+-------------------+------------------+----------------+-------------------+-------------------------+---------------+--------------------+---------------+--------------------+----------------+-------------+------------+----------+---------------+--------------+------------+---------------------+----------------
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regression | public | con | integer | | | | | | | | | 32 | 2 | 0 | | | | | regression | pg_catalog | int4 | | | | | 1
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regression | public | dom | integer | | | | | | | | | 32 | 2 | 0 | | | | | regression | pg_catalog | int4 | | | | | 1
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regression | public | pos_int | integer | | | | | | | | | 32 | 2 | 0 | | | | | regression | pg_catalog | int4 | | | | | 1
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regression | public | things | integer | | | | | | | | | 32 | 2 | 0 | | | | | regression | pg_catalog | int4 | | | | | 1
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(4 rows)
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SELECT * FROM information_schema.check_constraints
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WHERE (constraint_schema, constraint_name)
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IN (SELECT constraint_schema, constraint_name
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FROM information_schema.domain_constraints
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WHERE domain_name IN ('con', 'dom', 'pos_int', 'things'))
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ORDER BY constraint_name;
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constraint_catalog | constraint_schema | constraint_name | check_clause
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--------------------+-------------------+-----------------+--------------
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regression | public | con_check | (VALUE > 0)
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regression | public | meow | (VALUE < 11)
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regression | public | pos_int_check | (VALUE > 0)
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(3 rows)
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‎src/test/regress/sql/domain.sql‎

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Original file line numberDiff line numberDiff line change
@@ -809,3 +809,27 @@ create domain testdomain1 as int constraint unsigned check (value > 0);
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alter domain testdomain1 rename constraint unsigned to unsigned_foo;
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alter domain testdomain1 drop constraint unsigned_foo;
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drop domain testdomain1;
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--
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-- Information schema
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--
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SELECT * FROM information_schema.column_domain_usage
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WHERE domain_name IN ('con', 'dom', 'pos_int', 'things')
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ORDER BY domain_name;
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SELECT * FROM information_schema.domain_constraints
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WHERE domain_name IN ('con', 'dom', 'pos_int', 'things')
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ORDER BY constraint_name;
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SELECT * FROM information_schema.domains
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WHERE domain_name IN ('con', 'dom', 'pos_int', 'things')
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ORDER BY domain_name;
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SELECT * FROM information_schema.check_constraints
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WHERE (constraint_schema, constraint_name)
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IN (SELECT constraint_schema, constraint_name
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FROM information_schema.domain_constraints
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WHERE domain_name IN ('con', 'dom', 'pos_int', 'things'))
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ORDER BY constraint_name;

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