「PostgreSQLでよくやること」の版間の差分

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1行目: 1行目:
== dump/restore ==
== dump/restore ==
dump
=== dump ===
<syntaxhighlight lang="bash">
<syntaxhighlight lang="bash">
$ pg_dump <DATABASE_NAME> > <FILE_NAME>
$ pg_dump <DATABASE_NAME> > <FILE_NAME>
</syntaxhighlight>
</syntaxhighlight>
restore
=== restore ===
<syntaxhighlight lang="sql">
<syntaxhighlight lang="sql">
$ psql <DATABASE_NAME>< infile
$ psql <DATABASE_NAME>< infile
12行目: 12行目:


== role ==
== role ==
一覧
=== 一覧 ===
<syntaxhighlight lang="sql">
<syntaxhighlight lang="sql">
# \du
# \du
</syntaxhighlight>
</syntaxhighlight>
作成
=== 作成 ===
<syntaxhighlight lang="sql">
<syntaxhighlight lang="sql">
# CREATE ROLE <ROLE_NAME> WITH LOGIN PASSWORD '<PASSWORD>';
# CREATE ROLE <ROLE_NAME> WITH LOGIN PASSWORD '<PASSWORD>';
</syntaxhighlight>
</syntaxhighlight>
名前変更
=== 名前変更 ===
<syntaxhighlight lang="sql">
<syntaxhighlight lang="sql">
# ALTER ROLE <OLD_ROLE_NAME>TO <NEW_ROLE_NAME>
# ALTER ROLE <OLD_ROLE_NAME>TO <NEW_ROLE_NAME>
</syntaxhighlight>
</syntaxhighlight>
削除
=== 削除 ===
<syntaxhighlight lang="sql">
<syntaxhighlight lang="sql">
# DROP ROLE <ROLE_NAME>;
# DROP ROLE <ROLE_NAME>;
32行目: 32行目:


== database ==
== database ==
一覧
=== 一覧 ===
<syntaxhighlight lang="sql">
<syntaxhighlight lang="sql">
# \l
# \l
</syntaxhighlight>
</syntaxhighlight>
切り替え
=== 切り替え ===
<syntaxhighlight lang="sql">
<syntaxhighlight lang="sql">
# \c <DABASE_NAME>
# \c <DABASE_NAME>
</syntaxhighlight>
</syntaxhighlight>
作成
=== 作成 ===
<syntaxhighlight lang="sql">
<syntaxhighlight lang="sql">
# CREATE DATABASE <DABASE_NAME>;
# CREATE DATABASE <DABASE_NAME>;
</syntaxhighlight>
</syntaxhighlight>
or
<syntaxhighlight lang="sql">
<syntaxhighlight lang="sql">
# CREATE DATABASE <DABASE_NAME> OWNER <OWNER_NAME>;
# CREATE DATABASE <DABASE_NAME> OWNER <ROLE_NAME>;
</syntaxhighlight>
</syntaxhighlight>
削除
=== 削除 ===
<syntaxhighlight lang="sql">
<syntaxhighlight lang="sql">
# DROP DATABASE <DATABASE_NAME>;
# DROP DATABASE <DATABASE_NAME>;
55行目: 56行目:


== table ==
== table ==
一覧(viewとかも)
=== 一覧(viewとかも) ===
<syntaxhighlight lang="sql">
<syntaxhighlight lang="sql">
# \d
# \d
</syntaxhighlight>
</syntaxhighlight>
一覧(tableだけ)
=== 一覧(tableだけ) ===
<syntaxhighlight lang="sql">
<syntaxhighlight lang="sql">
# \dt
# \dt
</syntaxhighlight>
</syntaxhighlight>
作成
=== 作成 ===
<syntaxhighlight lang="sql">
<syntaxhighlight lang="sql">
# CREATE TABLE IF NOT EXISTS <TABLE_NAME>(
# CREATE TABLE IF NOT EXISTS <TABLE_NAME>(
75行目: 76行目:
...
...
</syntaxhighlight>
</syntaxhighlight>
削除
=== 削除 ===
<syntaxhighlight lang="sql">
<syntaxhighlight lang="sql">
# DROP TABLE <TABLE_NAME>;
# DROP TABLE IF EXISTS <TABLE_NAME>;
</syntaxhighlight>
</syntaxhighlight>


83行目: 84行目:


== schema ==
== schema ==
一覧
=== 一覧 ===
<syntaxhighlight lang="sql">
<syntaxhighlight lang="sql">
# \dn
# \dn
</syntaxhighlight>
</syntaxhighlight>
確認
=== 確認 ===
<syntaxhighlight lang="sql">
<syntaxhighlight lang="sql">
# SELECT current_schema;
# SELECT current_schema;
</syntaxhighlight>
</syntaxhighlight>
変更
=== 変更 ===
<syntaxhighlight lang="sql">
<syntaxhighlight lang="sql">
# SET search_path TO <SCHEMA_NAME>;
# SET search_path TO <SCHEMA_NAME>;
</syntaxhighlight>
</syntaxhighlight>
 
or
<syntaxhighlight lang="sql">
# ALTER USER <ROLE_NAME> SET search_path TO <SCHEMA_NAME>;
</syntaxhighlight>


[[Category:PostgreSQL]]
[[Category:PostgreSQL]]
[[Category:Database]]
[[Category:Database]]

2017年12月14日 (木) 04:32時点における版

dump/restore

dump

$ pg_dump <DATABASE_NAME> > <FILE_NAME>

restore

$ psql <DATABASE_NAME>< infile


role

一覧

# \du

作成

# CREATE ROLE <ROLE_NAME> WITH LOGIN PASSWORD '<PASSWORD>';

名前変更

# ALTER ROLE <OLD_ROLE_NAME>TO <NEW_ROLE_NAME>

削除

# DROP ROLE <ROLE_NAME>;


database

一覧

# \l

切り替え

# \c <DABASE_NAME>

作成

# CREATE DATABASE <DABASE_NAME>;

or

# CREATE DATABASE <DABASE_NAME> OWNER <ROLE_NAME>;

削除

# DROP DATABASE <DATABASE_NAME>;


table

一覧(viewとかも)

# \d

一覧(tableだけ)

# \dt

作成

# CREATE TABLE IF NOT EXISTS <TABLE_NAME>(
    id BIGSERIAL,
    <COLUMN_NAME> <TYPE>,
    ...,
    PRIMARY KEY (id)
);
COMMENT ON COLUMN <TABLE_NAME>.id IS 'ID';
COMMENT ON COLUMN <TABLE_NAME>.<COLUMN_NAME>IS '<COMMENT>';
...

削除

# DROP TABLE IF EXISTS <TABLE_NAME>;


schema

一覧

# \dn

確認

# SELECT current_schema;

変更

# SET search_path TO <SCHEMA_NAME>;

or

# ALTER USER <ROLE_NAME> SET search_path TO <SCHEMA_NAME>;