{"title":"Tindakan perpindahan basisdata","version":"3.0","locale":"id","docname":"ref/contrib/postgres/operations","url":"/id/3.0/ref/contrib/postgres/operations/","canonical":"https://djangodocs.dev/id/3.0/ref/contrib/postgres/operations/","summary":"Semua operations ini tersedia dari modul django.contrib.postgres.operations . Membuat tambahan menggunakan perpindahan Link to this heading # Anda dapat membuat…","html":"

Tindakan perpindahan basisdataLink to this heading#

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Semua operations ini tersedia dari modul django.contrib.postgres.operations.

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Membuat tambahan menggunakan perpindahanLink to this heading#

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Anda dapat membuat tambahan PostgreSQL dalam basisdata anda menggunakan berkas pemindahan. Contoh ini membuat sebuah tambahan hstore, tetapi prinsip-prinsip sama berlaku untuk tambahan-tambahan lain.

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Setel tambahan hstore dalam PostgreSQL sebelum tindakan pertama CreateModel atau AddField yang melibatkan HStoreField dengan menambahkan perpindahan dengan tindakan HStoreExtension. Sebagai contoh:

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from django.contrib.postgres.operations import HStoreExtension\n\nclass Migration(migrations.Migration):\n    ...\n\n    operations = [\n        HStoreExtension(),\n        ...\n    ]\n
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Membuat tambahan membutuhkan pengguna basisdata dengan hak khusus super pengguna. Jika pengguna basisdata Django tidak memiliki hal khusus super pengguna, anda harus membuat tambahan diluar dari perpindahan Django dengan pengguna yang mempunyai hak khusus sesuai. Dalam kasus itu, hubungkan ke basisdata Django dan jalankan permintaan CREATE EXTENSION IF NOT EXISTS hstore;.

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CreateExtensionLink to this heading#

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\nclass CreateExtension(name)Link to this definition#
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Sebuah subkelas Operation yang memasang tambahan PostgreSQL.

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\nnameLink to this definition#
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Ini adalah argumen wajib. Nama dari tambahan untuk dipasang.

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BtreeGinExtensionLink to this heading#

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\nclass BtreeGinExtensionLink to this definition#
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Pasang tambahan btree_gin.

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BtreeGistExtensionLink to this heading#

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\nclass BtreeGistExtensionLink to this definition#
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Pasang tambahan btree_gist.

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CITextExtensionLink to this heading#

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\nclass CITextExtensionLink to this definition#
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Pasang tambahan citext.

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CryptoExtensionLink to this heading#

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\nclass CryptoExtensionLink to this definition#
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Pasang tambahan pgcrypto.

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HStoreExtensionLink to this heading#

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\nclass HStoreExtensionLink to this definition#
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Pasang tambahan hstore dan juga setel hubungan pada penterjemah data hstore untuk kemungkinan penggunaan dalam perpindahaan selanjutnya.

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TrigramExtensionLink to this heading#

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\nclass TrigramExtensionLink to this definition#
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Pasang tambahan pg_trm.

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UnaccentExtensionLink to this heading#

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\nclass UnaccentExtensionLink to this definition#
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Pasang tambahan unaccent.

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Index concurrent operationsLink to this heading#

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PostgreSQL supports the CONCURRENTLY option to CREATE INDEX and\nDROP INDEX statements to add and remove indexes without locking out writes.\nThis option is useful for adding or removing an index in a live production\ndatabase.

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\nclass AddIndexConcurrently(model_name, index)Link to this definition#
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Like AddIndex, but creates an\nindex with the CONCURRENTLY option. This has a few caveats to be aware\nof when using this option, see the PostgreSQL documentation of building\nindexes concurrently.

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\nclass RemoveIndexConcurrently(model_name, name)Link to this definition#
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Like RemoveIndex, but removes the\nindex with the CONCURRENTLY option. This has a few caveats to be aware\nof when using this option, see the PostgreSQL documentation.

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