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* 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
24 lines
1.0 KiB
ReStructuredText
24 lines
1.0 KiB
ReStructuredText
Functions for splitting and merging strings and arrays
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splitByChar(separator, s)
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~~~~~~~~~~~~~~~~~~~~~~~~~
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Splits a string into substrings, using 'separator' as the separator.
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'separator' must be a string constant consisting of exactly one character.
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Returns an array of selected substrings. Empty substrings may be selected if the separator occurs at the beginning or end of the string, or if there are multiple consecutive separators.
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splitByString(separator, s)
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~~~~~~~~~~~~~~~~~~~~~~~~~~~
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The same as above, but it uses a string of multiple characters as the separator. The string must be non-empty.
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arrayStringConcat(arr[, separator])
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Concatenates strings from the array elements, using 'separator' as the separator.
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'separator' is a string constant, an optional parameter. By default it is an empty string.
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Returns a string.
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alphaTokens(s)
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~~~~~~~~~~~~~~
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Selects substrings of consecutive bytes from the range a-z and A-Z.
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Returns an array of selected substrings.
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