PostgreSQL/Inheritance/Insert Data Children — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
(нет различий)
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Текущая версия на 10:14, 26 мая 2010
Insert data to children table
postgres=#
postgres=# -- Creating a child table
postgres=#
postgres=# CREATE TABLE "authors" (
postgres(# "id" integer NOT NULL,
postgres(# "last_name" text,
postgres(# "first_name" text,
postgres(# Constraint "authors_pkey" Primary Key ("id")
postgres(# );
NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index "authors_pkey" for table "authors"
CREATE TABLE
postgres=#
postgres=#
postgres=# CREATE TABLE distinguished_authors (award text)
postgres-# INHERITS (authors);
CREATE TABLE
postgres=#
postgres=# INSERT INTO distinguished_authors
postgres-# VALUES (1,
postgres(# "Simon", "Neil", "Pulitzer Prize");
INSERT 0 1
postgres=#
postgres=# select * from authors;
id | last_name | first_name
----+-----------+------------
1 | Simon | Neil
(1 row)
postgres=#
postgres=# select * from distinguished_authors;
id | last_name | first_name | award
----+-----------+------------+----------------
1 | Simon | Neil | Pulitzer Prize
(1 row)
postgres=#
postgres=# drop table distinguished_authors;
DROP TABLE
postgres=# drop table authors;
DROP TABLE
postgres=#
postgres=#
postgres=#