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ClickHouse/docs/ru/functions/ext_dict_functions.rst

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Added documentation in RST format. (ReadTheDocs ready)
2017-03-12 17:58:51 +00:00
Функции для работы с внешними словарями
Fixed some ERRORS and WARNINGS during RU docs build. (#772) * Initial commit if EN docs * Part of EN documentation * Full queries section * External data * Table engines * System tables * Table functions * Formats * Data types * Operators * Functions * Dictionaries * Settings * Configuration files * Access rights * Quotas * Fixed few formatting errors * Fixed few formatting errors * Fixed few formatting errors * FIX: "WARNING: Title underline too short." during build RU docs. * FIX: "WARNING: Title underline too short." during build RU docs.
2017-05-08 05:06:04 +00:00
---------------------------------------
Added documentation in RST format. (ReadTheDocs ready)
2017-03-12 17:58:51 +00:00
Подробнее смотрите в разделе "Внешние словари".
dictGetUInt8, dictGetUInt16, dictGetUInt32, dictGetUInt64
Fixed some ERRORS and WARNINGS during RU docs build. (#772) * Initial commit if EN docs * Part of EN documentation * Full queries section * External data * Table engines * System tables * Table functions * Formats * Data types * Operators * Functions * Dictionaries * Settings * Configuration files * Access rights * Quotas * Fixed few formatting errors * Fixed few formatting errors * Fixed few formatting errors * FIX: "WARNING: Title underline too short." during build RU docs. * FIX: "WARNING: Title underline too short." during build RU docs.
2017-05-08 05:06:04 +00:00
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Added documentation in RST format. (ReadTheDocs ready)
2017-03-12 17:58:51 +00:00
dictGetInt8, dictGetInt16, dictGetInt32, dictGetInt64
Fixed some ERRORS and WARNINGS during RU docs build. (#772) * Initial commit if EN docs * Part of EN documentation * Full queries section * External data * Table engines * System tables * Table functions * Formats * Data types * Operators * Functions * Dictionaries * Settings * Configuration files * Access rights * Quotas * Fixed few formatting errors * Fixed few formatting errors * Fixed few formatting errors * FIX: "WARNING: Title underline too short." during build RU docs. * FIX: "WARNING: Title underline too short." during build RU docs.
2017-05-08 05:06:04 +00:00
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Added documentation in RST format. (ReadTheDocs ready)
2017-03-12 17:58:51 +00:00
dictGetFloat32, dictGetFloat64
Fixed some ERRORS and WARNINGS during RU docs build. (#772) * Initial commit if EN docs * Part of EN documentation * Full queries section * External data * Table engines * System tables * Table functions * Formats * Data types * Operators * Functions * Dictionaries * Settings * Configuration files * Access rights * Quotas * Fixed few formatting errors * Fixed few formatting errors * Fixed few formatting errors * FIX: "WARNING: Title underline too short." during build RU docs. * FIX: "WARNING: Title underline too short." during build RU docs.
2017-05-08 05:06:04 +00:00
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Added documentation in RST format. (ReadTheDocs ready)
2017-03-12 17:58:51 +00:00
dictGetDate, dictGetDateTime
Fixed some ERRORS and WARNINGS during RU docs build. (#772) * Initial commit if EN docs * Part of EN documentation * Full queries section * External data * Table engines * System tables * Table functions * Formats * Data types * Operators * Functions * Dictionaries * Settings * Configuration files * Access rights * Quotas * Fixed few formatting errors * Fixed few formatting errors * Fixed few formatting errors * FIX: "WARNING: Title underline too short." during build RU docs. * FIX: "WARNING: Title underline too short." during build RU docs.
2017-05-08 05:06:04 +00:00
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Added documentation in RST format. (ReadTheDocs ready)
2017-03-12 17:58:51 +00:00
dictGetString
Fixed some ERRORS and WARNINGS during RU docs build. (#772) * Initial commit if EN docs * Part of EN documentation * Full queries section * External data * Table engines * System tables * Table functions * Formats * Data types * Operators * Functions * Dictionaries * Settings * Configuration files * Access rights * Quotas * Fixed few formatting errors * Fixed few formatting errors * Fixed few formatting errors * FIX: "WARNING: Title underline too short." during build RU docs. * FIX: "WARNING: Title underline too short." during build RU docs.
2017-05-08 05:06:04 +00:00
~~~~~~~~~~~~~
Added documentation in RST format. (ReadTheDocs ready)
2017-03-12 17:58:51 +00:00
``dictGetT('dict_name', 'attr_name', id)``
- получить из словаря dict_name значение атрибута attr_name по ключу id.
``dict_name`` и ``attr_name`` - константные строки.
``id`` должен иметь тип UInt64.
Если ключа ``id`` нет в словаре - вернуть значение по умолчанию, заданное в описании словаря.
dictGetTOrDefault
Fixed some ERRORS and WARNINGS during RU docs build. (#772) * Initial commit if EN docs * Part of EN documentation * Full queries section * External data * Table engines * System tables * Table functions * Formats * Data types * Operators * Functions * Dictionaries * Settings * Configuration files * Access rights * Quotas * Fixed few formatting errors * Fixed few formatting errors * Fixed few formatting errors * FIX: "WARNING: Title underline too short." during build RU docs. * FIX: "WARNING: Title underline too short." during build RU docs.
2017-05-08 05:06:04 +00:00
~~~~~~~~~~~~~~~~~
Added documentation in RST format. (ReadTheDocs ready)
2017-03-12 17:58:51 +00:00
``dictGetT('dict_name', 'attr_name', id, default)``
Аналогично функциям dictGetT, но значение по умолчанию берётся из последнего аргумента функции.
dictIsIn
Fixed some ERRORS and WARNINGS during RU docs build. (#772) * Initial commit if EN docs * Part of EN documentation * Full queries section * External data * Table engines * System tables * Table functions * Formats * Data types * Operators * Functions * Dictionaries * Settings * Configuration files * Access rights * Quotas * Fixed few formatting errors * Fixed few formatting errors * Fixed few formatting errors * FIX: "WARNING: Title underline too short." during build RU docs. * FIX: "WARNING: Title underline too short." during build RU docs.
2017-05-08 05:06:04 +00:00
~~~~~~~~
Added documentation in RST format. (ReadTheDocs ready)
2017-03-12 17:58:51 +00:00
``dictIsIn('dict_name', child_id, ancestor_id)``
- для иерархического словаря dict_name - узнать, находится ли ключ child_id внутри ancestor_id (или совпадает с ancestor_id). Возвращает UInt8.
dictGetHierarchy
Fixed some ERRORS and WARNINGS during RU docs build. (#772) * Initial commit if EN docs * Part of EN documentation * Full queries section * External data * Table engines * System tables * Table functions * Formats * Data types * Operators * Functions * Dictionaries * Settings * Configuration files * Access rights * Quotas * Fixed few formatting errors * Fixed few formatting errors * Fixed few formatting errors * FIX: "WARNING: Title underline too short." during build RU docs. * FIX: "WARNING: Title underline too short." during build RU docs.
2017-05-08 05:06:04 +00:00
~~~~~~~~~~~~~~~~
Added documentation in RST format. (ReadTheDocs ready)
2017-03-12 17:58:51 +00:00
``dictGetHierarchy('dict_name', id)``
- для иерархического словаря dict_name - вернуть массив ключей словаря, начиная с id и продолжая цепочкой родительских элементов. Возвращает Array(UInt64).
dictHas
Fixed some ERRORS and WARNINGS during RU docs build. (#772) * Initial commit if EN docs * Part of EN documentation * Full queries section * External data * Table engines * System tables * Table functions * Formats * Data types * Operators * Functions * Dictionaries * Settings * Configuration files * Access rights * Quotas * Fixed few formatting errors * Fixed few formatting errors * Fixed few formatting errors * FIX: "WARNING: Title underline too short." during build RU docs. * FIX: "WARNING: Title underline too short." during build RU docs.
2017-05-08 05:06:04 +00:00
~~~~~~~
Added documentation in RST format. (ReadTheDocs ready)
2017-03-12 17:58:51 +00:00
``dictHas('dict_name', id)``
- проверить наличие ключа в словаре. Возвращает значение типа UInt8, равное 0, если ключа нет и 1, если ключ есть.
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