Results of 1 - 10 of about 78 for expression (0.031 sec.)
- Database Functions — Django 4.0.6 ドキュメント 12962
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... egations, or filters in Django. Functions are also expressions , so they can be used and combined with other exp ... son and conversion functions ¶ Cast ¶ class Cast ( expression , output_field ) ¶ Forces the result type of expre ... age_as_float ) 25.0 Coalesce ¶ class Coalesce ( * expressions , ** extra ) ¶ Accepts a list of at least two fie ... ld names or expressions and returns the first non-null value (note that a ...
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https://man.plustar.jp/django/ref/models/database-functions.html
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- クエリー式 — Django 4.0.6 ドキュメント 12383
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... odules « previous | up | next » クエリー式 ¶ Query expressions describe a value or a computation that can be use ... ilter, order by, annotation, or aggregate. When an expression outputs a boolean value, it may be used directly i ... n filters. There are a number of built-in expressions (documented below) that can be used to help you w ... rite queries. Expressions can be combined, or in some cases nested, to form ...
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https://man.plustar.jp/django/ref/models/expressions.html
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- Geographic Database Functions — Django 4.0.6 ドキュメント 12259
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... nsform AsWKT Translate GeoHash Area ¶ class Area ( expression , ** extra ) ¶ Availability : MariaDB, MySQL , Ora ... , SpatiaLite Accepts a single geographic field or expression and returns the area of the field as an Area measu ... on geographic SRSes. AsGeoJSON ¶ class AsGeoJSON ( expression , bbox = False , crs = False , precision = 8 , ** ... , SpatiaLite Accepts a single geographic field or expression and returns a GeoJSON representation of the geomet ...
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https://man.plustar.jp/django/ref/contrib/gis/functions.html
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- Lookup API reference — Django 4.0.6 ドキュメント 11446
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... pMixin class that registers lookups, and the Query Expression API , a set of methods that a class has to impleme ... Django has two base classes that follow the query expression API and from where all Django builtin lookups are ... _exact ) Transform : to transform a field A lookup expression consists of three parts: Fields part (e.g. Book.ob ... r a class to be a lookup, it must follow the Query Expression API . Lookup and Transform naturally follow this A ...
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https://man.plustar.jp/django/ref/models/lookups.html
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- Full text search — Django 4.0.6 ドキュメント 9022
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... ALLED_APPS . SearchVector ¶ class SearchVector ( * expressions , config = None , weight = None ) ¶ Searching aga ... Recipes>] The arguments to SearchVector can be any Expression or the name of a field. Multiple arguments will be ... options . SearchHeadline ¶ class SearchHeadline ( expression , query , config = None , start_sel = None , stop_ ... miter = None ) ¶ Accepts a single text field or an expression, a query, a config, and a set of options. Returns ...
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https://man.plustar.jp/django/ref/contrib/postgres/search.html
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- Conditional Expressions — Django 4.0.6 ドキュメント 8705
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... dex | Modules « previous | up | next » Conditional Expressions ¶ Conditional expressions let you use if ... elif ... otations, aggregations, and updates. A conditional expression evaluates a series of conditions for each row of a ... table and returns the matching result expression. Conditional expressions can also be combined and ... nested like other expressions . The conditional expression classes ¶ We'll be u ...
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https://man.plustar.jp/django/ref/models/conditional-expressions.html
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- PostgreSQL specific aggregation functions — Django 4.0.6 ドキュメント 8168
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... ggregation functions ¶ ArrayAgg ¶ class ArrayAgg ( expression , distinct = False , filter = None , default = Non ... "-" prefix which indicates descending order) or an expression (or a tuple or list of strings and/or expressions) ... set default to Value([]) . BitAnd ¶ class BitAnd ( expression , filter = None , default = None , ** extra ) ¶ Re ... ault if all values are null. BitOr ¶ class BitOr ( expression , filter = None , default = None , ** extra ) ¶ Re ...
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https://man.plustar.jp/django/ref/contrib/postgres/aggregates.html
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- Django 1.8.19 リリースノート — Django 4.0.6 ドキュメント 8085
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... tastrophic backtracking vulnerability in a regular expression. The urlize() function is used to implement the ur ... hich were thus vulnerable. The problematic regular expression is replaced with parsing logic that behaves simila ... tastrophic backtracking vulnerability in a regular expression. The chars() and words() methods are used to imple ... ulnerable. The backtracking problem in the regular expression is fixed. 目次 Django 1.8.19 リリースノート CVE-20 ...
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https://man.plustar.jp/django/releases/1.8.19.html
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- Django 2.0.3 リリースノート — Django 4.0.6 ドキュメント 7837
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... rophic backtracking vulnerabilities in two regular expressions. The urlize() function is used to implement the u ... hich were thus vulnerable. The problematic regular expressions are replaced with parsing logic that behaves simi ... tastrophic backtracking vulnerability in a regular expression. The chars() and words() methods are used to imple ... ulnerable. The backtracking problem in the regular expression is fixed. Bugfixes ¶ Fixed a regression that cause ...
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https://man.plustar.jp/django/releases/2.0.3.html
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- QuerySet API リファレンス — Django 4.0.6 ドキュメント 7755
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... notate() ¶ annotate ( * args , ** kwargs ) ¶ query expressions で提供されるリストに従い、 QuerySet の各オブジェク ... of annotating objects in the QuerySet , saves the expression for later reuse with other QuerySet methods. This ... is useful when the result of the expression itself is not needed but it is used for filtering, ... ordering, or as a part of a complex expression. Not selecting the unused value removes redundant ...
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https://man.plustar.jp/django/ref/models/querysets.html
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