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ClickHouse/docs/ru/table_engines/join.rst

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Added documentation in RST format. (ReadTheDocs ready)
2017-03-12 17:58:51 +00:00
Join
----
Представляет собой подготовленную структуру данных для JOIN-а, постоянно находящуюся в оперативке.
Fixed newlines in .rst files before code blocks [#CLICKHOUSE-2]. for i in $(find . -name '*.rst'); do grep -F -q '.. code-block:: ' $i && cat $i | sed -r -e 's/$/<NEWLINE>/' | tr -d '\n' | sed -r -e 's/([^>])<NEWLINE>.. code-block::/\1<NEWLINE><NEWLINE>.. code-block::/g' | sed -r -e 's/<NEWLINE>/\n/g' > ${i}.tmp && mv ${i}.tmp ${i}; done
2017-06-13 20:35:07 +00:00
CLICKHOUSE-2720: progress on website (#865) * update presentations * CLICKHOUSE-2936: redirect from clickhouse.yandex.ru and clickhouse.yandex.com * update submodule * lost files * CLICKHOUSE-2981: prefer sphinx docs over original reference * CLICKHOUSE-2981: docs styles more similar to main website + add flags to switch language links * update presentations * Less confusing directory structure (docs -> doc/reference/) * Minify sphinx docs too * Website release script: fail fast + pass docker hash on deploy * Do not underline links in docs * shorter * cleanup docker images * tune nginx config * CLICKHOUSE-3043: get rid of habrastorage links * Lost translation * CLICKHOUSE-2936: temporary client-side redirect * behaves weird in test * put redirect back * CLICKHOUSE-3047: copy docs txts to public too * move to proper file * remove old pages to avoid confusion * Remove reference redirect warning for now * Refresh README.md * Yellow buttons in docs * Use svg flags instead of unicode ones in docs * fix test website instance * Put flags to separate files * wrong flag * Copy Yandex.Metrica introduction from main page to docs * Yet another home page structure change, couple new blocks (CLICKHOUSE-3045) * Update Contacts section * CLICKHOUSE-2849: more detailed legal information * CLICKHOUSE-2978 preparation - split by files * More changes in Contacts block * Tune texts on index page * update presentations * One more benchmark * Add usage sections to index page, adapted from slides * Get the roadmap started, based on slides from last ClickHouse Meetup * CLICKHOUSE-2977: some rendering tuning * Get rid of excessive section in the end of getting started * Make headers linkable * CLICKHOUSE-2981: links to editing reference - https://github.com/yandex/ClickHouse/issues/849 * CLICKHOUSE-2981: fix mobile styles in docs * Ban crawling of duplicating docs * Open some external links in new tab * Ban old docs too * Lots of trivial fixes in english docs * Lots of trivial fixes in russian docs * Remove getting started copies in markdown * Add Yandex.Webmaster * Fix some sphinx warnings * More warnings fixed in english docs * More sphinx warnings fixed * Add code-block:: text * More code-block:: text * These headers look not that well * Better switch between documentation languages * merge use_case.rst into ya_metrika_task.rst * Edit the agg_functions.rst texts * Add lost empty lines
2017-06-13 04:15:47 +00:00
.. code-block:: text
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
Join(ANY|ALL, LEFT|INNER, k1[, k2, ...])
Параметры движка: ``ANY|ALL`` - строгость, ``LEFT|INNER`` - тип.
Эти параметры (задаются без кавычек) должны соответствовать тому JOIN-у, для которого будет использоваться таблица. k1, k2, ... - ключевые столбцы из секции USING, по которым будет делаться соединение.
Таблица не может использоваться для GLOBAL JOIN-ов.
В таблицу можно вставлять данные INSERT-ом, аналогично движку Set. В случае ANY, данные для дублирующихся ключей будут проигнорированы; в случае ALL - будут учитываться. Из таблицы нельзя, непосредственно, делать SELECT. Единственная возможность чтения - использование в качестве "правой" таблицы для JOIN.
Хранение данных на диске аналогично движку Set.
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