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ClickHouse/docs/en/operations/table_engines/join.md

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Update of JOIN docs (#3684) * Update of english version of descriprion of the table function `file`. * New syntax for ReplacingMergeTree. Some improvements in text. * Significantly change article about SummingMergeTree. Article is restructured, text is changed in many places of the document. New syntax for table creation is described. * Descriptions of AggregateFunction and AggregatingMergeTree are updated. Russian version. * New syntax for new syntax of CREATE TABLE * Added english docs on Aggregating, Replacing and SummingMergeTree. * CollapsingMergeTree docs. English version. * 1. Update of CollapsingMergeTree. 2. Minor changes in markup * Update aggregatefunction.md * Update aggregatefunction.md * Update aggregatefunction.md * Update aggregatingmergetree.md * GraphiteMergeTree docs update. New syntax for creation of Replicated* tables. Minor changes in *MergeTree tables creation syntax. * Markup fix * Markup and language fixes * Clarification in the CollapsingMergeTree article * DOCAPI-4821. Sync between ru and en versions of docs. * Fixed the ambiguity in geo functions description. * Example of JOIN in ru docs * Deleted misinforming example. * 1. Updated the JOIN clause description. 2. Added the new setting 'join_default_strictness' description. * Minor fixes in docs. * Deleted version of ClickHouse from setting. All info about new features are in changelog.
2018-11-30 13:04:14 +00:00
Sources for english documentation switched to Markdown. Edit page link is fixed too for both language versions of documentation.
2017-12-28 15:13:23 +00:00
# Join
Initial commit if EN docs
2017-04-03 19:49:50 +00:00
Table engines
2017-04-26 17:26:17 +00:00
A prepared data structure for JOIN that is always located in RAM.
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
WIP on docs/website (#3383) * CLICKHOUSE-4063: less manual html @ index.md * CLICKHOUSE-4063: recommend markdown="1" in README.md * CLICKHOUSE-4003: manually purge custom.css for now * CLICKHOUSE-4064: expand <details> before any print (including to pdf) * CLICKHOUSE-3927: rearrange interfaces/formats.md a bit * CLICKHOUSE-3306: add few http headers * Remove copy-paste introduced in #3392 * Hopefully better chinese fonts #3392 * get rid of tabs @ custom.css * Apply comments and patch from #3384 * Add jdbc.md to ToC and some translation, though it still looks badly incomplete * minor punctuation * Add some backlinks to official website from mirrors that just blindly take markdown sources * Do not make fonts extra light * find . -name '*.md' -type f | xargs -I{} perl -pi -e 's//g' {} * find . -name '*.md' -type f | xargs -I{} perl -pi -e 's/ sql/g' {} * Remove outdated stuff from roadmap.md * Not so light font on front page too * Refactor Chinese formats.md to match recent changes in other languages
2018-10-16 10:47:17 +00:00
```
Sources for english documentation switched to Markdown. Edit page link is fixed too for both language versions of documentation.
2017-12-28 15:13:23 +00:00
Join(ANY|ALL, LEFT|INNER, k1[, k2, ...])
```
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
translate docs/zh/operations/table_engines/join.md (#4869) * translate docs/zh/operations/table_engines/join.md * add a reference linking of 'join clause' into docs/{zh,en}/operations/table_engines/join.md * more comment for docs/zh/operations/table_engines/join.md
2019-04-08 16:07:11 +00:00
Engine parameters: `ANY|ALL` – strictness; `LEFT|INNER` – type. For more information, see the [JOIN Clause](../../query_language/select.md#select-join) section.
Sources for english documentation switched to Markdown. Edit page link is fixed too for both language versions of documentation.
2017-12-28 15:13:23 +00:00
These parameters are set without quotes and must match the JOIN that the table will be used for. k1, k2, ... are the key columns from the USING clause that the join will be made on.
Initial commit if EN docs
2017-04-03 19:49:50 +00:00
Table engines
2017-04-26 17:26:17 +00:00
The table can't be used for GLOBAL JOINs.
Initial commit if EN docs
2017-04-03 19:49:50 +00:00
Table engines
2017-04-26 17:26:17 +00:00
You can use INSERT to add data to the table, similar to the Set engine. For ANY, data for duplicated keys will be ignored. For ALL, it will be counted. You can't perform SELECT directly from the table. The only way to retrieve data is to use it as the "right-hand" table for JOIN.
Initial commit if EN docs
2017-04-03 19:49:50 +00:00
Table engines
2017-04-26 17:26:17 +00:00
Storing data on the disk is the same as for the Set engine.
Sources for english documentation switched to Markdown. Edit page link is fixed too for both language versions of documentation.
2017-12-28 15:13:23 +00:00
WIP on docs/website (#3383) * CLICKHOUSE-4063: less manual html @ index.md * CLICKHOUSE-4063: recommend markdown="1" in README.md * CLICKHOUSE-4003: manually purge custom.css for now * CLICKHOUSE-4064: expand <details> before any print (including to pdf) * CLICKHOUSE-3927: rearrange interfaces/formats.md a bit * CLICKHOUSE-3306: add few http headers * Remove copy-paste introduced in #3392 * Hopefully better chinese fonts #3392 * get rid of tabs @ custom.css * Apply comments and patch from #3384 * Add jdbc.md to ToC and some translation, though it still looks badly incomplete * minor punctuation * Add some backlinks to official website from mirrors that just blindly take markdown sources * Do not make fonts extra light * find . -name '*.md' -type f | xargs -I{} perl -pi -e 's//g' {} * find . -name '*.md' -type f | xargs -I{} perl -pi -e 's/ sql/g' {} * Remove outdated stuff from roadmap.md * Not so light font on front page too * Refactor Chinese formats.md to match recent changes in other languages
2018-10-16 10:47:17 +00:00
[Original article](https://clickhouse.yandex/docs/en/operations/table_engines/join/) <!--hide-->
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