mirror of https://github.com/postgres/postgres
This adds the CREATE TABLE name OF type command, per SQL standard.REL9_0_ALPHA4_BRANCH
Peter Eisentraut
16 years ago
parent
1f98cccb94
commit
e7b3349a8a
@ -0,0 +1,85 @@ |
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CREATE TABLE ttable1 OF nothing; |
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ERROR: type "nothing" does not exist |
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CREATE TYPE person_type AS (id int, name text); |
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CREATE TABLE persons OF person_type; |
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SELECT * FROM persons; |
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id | name |
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----+------ |
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(0 rows) |
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|
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\d persons |
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Table "public.persons" |
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Column | Type | Modifiers |
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--------+---------+----------- |
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id | integer | |
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name | text | |
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Typed table of type: person_type |
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|
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CREATE FUNCTION get_all_persons() RETURNS SETOF person_type |
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LANGUAGE SQL |
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AS $$ |
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SELECT * FROM persons; |
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$$; |
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SELECT * FROM get_all_persons(); |
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id | name |
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----+------ |
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(0 rows) |
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|
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ALTER TABLE persons ADD COLUMN comment text; |
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ERROR: cannot add column to typed table |
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ALTER TABLE persons DROP COLUMN name; |
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ERROR: cannot drop column from typed table |
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ALTER TABLE persons RENAME COLUMN id TO num; |
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ERROR: cannot rename column of typed table |
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CREATE TABLE personsx OF person_type (myname WITH OPTIONS NOT NULL); -- error |
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ERROR: column "myname" does not exist |
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CREATE TABLE persons2 OF person_type ( |
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id WITH OPTIONS PRIMARY KEY, |
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UNIQUE (name) |
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); |
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NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index "persons2_pkey" for table "persons2" |
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NOTICE: CREATE TABLE / UNIQUE will create implicit index "persons2_name_key" for table "persons2" |
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\d persons2 |
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Table "public.persons2" |
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Column | Type | Modifiers |
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--------+---------+----------- |
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id | integer | not null |
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name | text | |
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Indexes: |
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"persons2_pkey" PRIMARY KEY, btree (id) |
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"persons2_name_key" UNIQUE, btree (name) |
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Typed table of type: person_type |
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|
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CREATE TABLE persons3 OF person_type ( |
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PRIMARY KEY (id), |
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name WITH OPTIONS DEFAULT '' |
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); |
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NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index "persons3_pkey" for table "persons3" |
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\d persons3 |
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Table "public.persons3" |
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Column | Type | Modifiers |
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--------+---------+------------------ |
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id | integer | not null |
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name | text | default ''::text |
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Indexes: |
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"persons3_pkey" PRIMARY KEY, btree (id) |
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Typed table of type: person_type |
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|
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CREATE TABLE persons4 OF person_type ( |
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name WITH OPTIONS NOT NULL, |
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name WITH OPTIONS DEFAULT '' -- error, specified more than once |
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); |
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ERROR: column "name" specified more than once |
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DROP TYPE person_type RESTRICT; |
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ERROR: cannot drop type person_type because other objects depend on it |
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DETAIL: table persons depends on type person_type |
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function get_all_persons() depends on type person_type |
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table persons2 depends on type person_type |
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table persons3 depends on type person_type |
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HINT: Use DROP ... CASCADE to drop the dependent objects too. |
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DROP TYPE person_type CASCADE; |
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NOTICE: drop cascades to 4 other objects |
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DETAIL: drop cascades to table persons |
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drop cascades to function get_all_persons() |
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drop cascades to table persons2 |
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drop cascades to table persons3 |
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@ -0,0 +1,42 @@ |
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CREATE TABLE ttable1 OF nothing; |
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|
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CREATE TYPE person_type AS (id int, name text); |
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CREATE TABLE persons OF person_type; |
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SELECT * FROM persons; |
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\d persons |
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|
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CREATE FUNCTION get_all_persons() RETURNS SETOF person_type |
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LANGUAGE SQL |
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AS $$ |
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SELECT * FROM persons; |
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$$; |
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SELECT * FROM get_all_persons(); |
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|
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ALTER TABLE persons ADD COLUMN comment text; |
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ALTER TABLE persons DROP COLUMN name; |
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ALTER TABLE persons RENAME COLUMN id TO num; |
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|
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CREATE TABLE personsx OF person_type (myname WITH OPTIONS NOT NULL); -- error |
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CREATE TABLE persons2 OF person_type ( |
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id WITH OPTIONS PRIMARY KEY, |
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UNIQUE (name) |
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); |
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\d persons2 |
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CREATE TABLE persons3 OF person_type ( |
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PRIMARY KEY (id), |
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name WITH OPTIONS DEFAULT '' |
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); |
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\d persons3 |
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CREATE TABLE persons4 OF person_type ( |
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name WITH OPTIONS NOT NULL, |
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name WITH OPTIONS DEFAULT '' -- error, specified more than once |
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); |
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|
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DROP TYPE person_type RESTRICT; |
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DROP TYPE person_type CASCADE; |
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