{"title":"Fungsi-fungsi basisdata khusus PostgreSQL","version":"4.1","locale":"id","docname":"ref/contrib/postgres/functions","url":"/id/4.1/ref/contrib/postgres/functions/","canonical":"https://djangodocs.dev/id/4.1/ref/contrib/postgres/functions/","summary":"Semua dari fungsi-fungsi ini tersedia dari modul django.contrib.postgres.functions . RandomUUID Link to this heading # class RandomUUID Link to this definition #…","html":"

Fungsi-fungsi basisdata khusus PostgreSQLLink to this heading#

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Semua dari fungsi-fungsi ini tersedia dari modul django.contrib.postgres.functions.

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RandomUUIDLink to this heading#

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\nclass RandomUUIDLink to this definition#
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Mengembalikan sebuah versi 4 UUD.

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On PostgreSQL < 13, the pgcrypto extension must be installed. You can use\nthe CryptoExtension migration\noperation to install it.

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Contoh penggunaan:

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Code
>>> from django.contrib.postgres.functions import RandomUUID\n>>> Article.objects.update(uuid=RandomUUID())\n
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TransactionNowLink to this heading#

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\nclass TransactionNowLink to this definition#
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Mengembalikan tanggal dan waktu pada peladen basisdata yang transaksi saat ini dimulai. Jika anda tidak dalam transaksi itu akan mengembalikan tanggal dan waktu dari pernyataan saat ini. Ini adalah melengkapi pada django.db.models.functions.Now, yang mengembalikan tanggal dan waktu dari pernyataan saat ini.

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Catah bahwa hanya panggilan paling luar pada atomic() menyetel sebuah transaksi dan hingga mensetel waktu yang TransactionNow() akan kembalikan; panggilan bersarang membuat titik simpan yang tidak mempengaruhi waktu transaksi.

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Contoh penggunaan:

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Code
>>> from django.contrib.postgres.functions import TransactionNow\n>>> Article.objects.filter(published__lte=TransactionNow())\n<QuerySet [<Article: How to Django>]>\n
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