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LayerMapping data import utility — Django 4.0.6 ドキュメント 7525: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... on_mode = 'commit_on_success' , transform = True , unique = True , using = 'default' ) ¶ The following are t ... fied from their original state in the data source. unique Setting this to the name, or a tuple of names, fro ... m the given model will create models unique only to the given name(s). Geometries from each fe ... l be added into the collection associated with the unique model. Forces the transaction mode to be 'autocomm ...; https://man.plustar.jp/django/ref/contrib/gis/layermapping.html - [similar]

データベース — Django 4.0.6 ドキュメント 7525: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... ) ... IntegrityError: duplicate key value violates unique constraint "auth_user_pkey" DETAIL: Key (id)=(1) a ... sidered equal at the database level. If you have a unique constraint on a field, it would be illegal to try ... lumn, since they compare as equal (and, hence, non-unique) with the default collation. If you want case-sens ... it is more accurate. 警告 Model formsets validate unique fields in a case-sensitive manner. Thus when using ...; https://man.plustar.jp/django/ref/databases.html - [similar]

Django 1.9.2 リリースノート — Django 4.0.6 ドキュメント 7411: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... rations on PostgreSQL when adding db_index=True or unique=True to a CharField or TextField that already had ... of them from a field that had both, or when adding unique=True to a field already listed in unique_together ...; https://man.plustar.jp/django/releases/1.9.2.html - [similar]

Django オブジェクトのシリアル化 — Django 4.0.6 ドキュメント 7411: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... tural key is a tuple of values that can be used to uniquely identify an object instance without using the pr ... 0 ) birthdate = models . DateField () class Meta : unique_together = [[ 'first_name' , 'last_name' ]] class ... teField () objects = PersonManager () class Meta : unique_together = [[ 'first_name' , 'last_name' ]] Now bo ... r fields you use for a natural key must be able to uniquely identify an object. This will usually mean that ...; https://man.plustar.jp/django/topics/serialization.html - [similar]

Signals — Django 4.0.6 ドキュメント 7411: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... l the signal's connect() method. dispatch_uid -- A unique identifier for a signal receiver in cases where du ... o send an email whenever a model is saved), pass a unique identifier as the dispatch_uid argument to identif ... ion will only be bound to the signal once for each unique dispatch_uid value: from django.core.signals impor ... ished . connect ( my_callback , dispatch_uid = "my_unique_identifier" ) Defining and sending signals ¶ Your ...; https://man.plustar.jp/django/topics/signals.html - [similar]

QuerySet API リファレンス — Django 4.0.6 ドキュメント 7340: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... ranteed only when ordering by a set of fields that uniquely identify each object in the results. For example ... , if a name field isn't unique, ordering by it won't guarantee objects with the s ... el ordering) will still be involved and may affect uniqueness of the results. The moral here is that if you ... okups . You should use lookups that are guaranteed unique, such as the primary key or fields in a unique con ...; https://man.plustar.jp/django/ref/models/querysets.html - [similar]

Django 1.8.3 リリースノート — Django 4.0.6 ドキュメント 7283: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... AutoField in PostgreSQL ( #24892 ). Fixed lack of unique constraint when changing a field from primary_key= ... True to unique=True ( #24893 ). Fixed queryset pickling when usin ... using UUID primary keys ( #24912 ). Fixed removing unique_together constraints on MySQL ( #24972 ). Fixed cr ...; https://man.plustar.jp/django/releases/1.8.3.html - [similar]

モデルからフォームを作成する — Django 4.0.6 ドキュメント 7283: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... orm.clean() メソッドは、モデルバリデーションに、 unique 、 unique_together または unique_for_date|month|ye ... ss Meta : error_messages = { NON_FIELD_ERRORS : { 'unique_together' : " %(model_name)s 's %(field_labels)s a ... re not unique." , } } save() メソッド ¶ Every ModelForm also has ... that none of the items in the formset violate the unique constraints on your model (either unique , unique_ ...; https://man.plustar.jp/django/topics/forms/modelforms.html - [similar]

モデルインスタンスリファレンス — Django 4.0.6 ドキュメント 7155: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... an() フィールドの一意性を検証する - Model.validate_unique() モデルの full_clean() メソッドを使うと、3 つ全て ... ます。 Model. full_clean ( exclude = None , validate_unique = True ) ¶ このメソッドは、 Model.clean_fields() 、 ... Model.clean() 、そして Model.validate_unique() ( validate_unique が True の場合) をこの順序で呼 ... not a ' 'publication date.' ), }) Model. validate_unique ( exclude = None ) ¶ このメソッドは clean_fields() ...; https://man.plustar.jp/django/ref/models/instances.html - [similar]

Django 1.0.1 リリースノート — Django 4.0.6 ドキュメント 7155: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... s for inline forms in formsets. Multiple fixes for unique and unique_together model constraints in automatic ...; https://man.plustar.jp/django/releases/1.0.1.html - [similar]

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