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elasticsearch/docs/reference/esql/functions/string-functions.asciidoc

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Restructure ES|QL docs (#100806) * Break out 'Limitations' into separate page * Add REST API docs * Restructure commands, functions, and operators refs * Add placeholder for getting started guide * Group 'Syntax', 'Metafields', and 'MV fields' under 'Language' * Add placeholder for Kibana page * Add link from landing page * Apply uniform formatting to ACOS, CASE, and DATE_PARSE function refs * Reword default LIMIT * Add support for COUNT(*) * Move 'Commands' and 'Functions and operators' to individual pages --------- Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>
2023-10-17 23:36:14 +08:00
[[esql-string-functions]]
Add improvements to the ES|QL docs (#101195) Content and structural improvements to the ES|QL docs --------- Co-authored-by: Alexandros Batsakis <abatsakis@splunk.com> Co-authored-by: Abdon Pijpelink <abdon.pijpelink@elastic.co>
2023-10-23 22:45:42 +08:00
==== {esql} string functions
Restructure ES|QL docs (#100806) * Break out 'Limitations' into separate page * Add REST API docs * Restructure commands, functions, and operators refs * Add placeholder for getting started guide * Group 'Syntax', 'Metafields', and 'MV fields' under 'Language' * Add placeholder for Kibana page * Add link from landing page * Apply uniform formatting to ACOS, CASE, and DATE_PARSE function refs * Reword default LIMIT * Add support for COUNT(*) * Move 'Commands' and 'Functions and operators' to individual pages --------- Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>
2023-10-17 23:36:14 +08:00
++++
<titleabbrev>String functions</titleabbrev>
++++
{esql} supports these string functions:
Add improvements to the ES|QL docs (#101195) Content and structural improvements to the ES|QL docs --------- Co-authored-by: Alexandros Batsakis <abatsakis@splunk.com> Co-authored-by: Abdon Pijpelink <abdon.pijpelink@elastic.co>
2023-10-23 22:45:42 +08:00
// tag::string_list[]
Restructure ES|QL docs (#100806) * Break out 'Limitations' into separate page * Add REST API docs * Restructure commands, functions, and operators refs * Add placeholder for getting started guide * Group 'Syntax', 'Metafields', and 'MV fields' under 'Language' * Add placeholder for Kibana page * Add link from landing page * Apply uniform formatting to ACOS, CASE, and DATE_PARSE function refs * Reword default LIMIT * Add support for COUNT(*) * Move 'Commands' and 'Functions and operators' to individual pages --------- Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>
2023-10-17 23:36:14 +08:00
* <<esql-concat>>
Docs: move STARTS/ENDS_WITH under string functions in the docs (#107867) This moves the STARTS_WITH and ENDS_with under the strings functions section (as they're not operators).
2024-04-25 21:41:11 +08:00
* <<esql-ends_with>>
Docs: move base64 functions under string functions (#107866) This moves the TO_BASE64 and FROM_BASE64 from the type conversion functions under string functions (they take a string as input and output another string).
2024-04-25 19:57:45 +08:00
* <<esql-from_base64>>
Restructure ES|QL docs (#100806) * Break out 'Limitations' into separate page * Add REST API docs * Restructure commands, functions, and operators refs * Add placeholder for getting started guide * Group 'Syntax', 'Metafields', and 'MV fields' under 'Language' * Add placeholder for Kibana page * Add link from landing page * Apply uniform formatting to ACOS, CASE, and DATE_PARSE function refs * Reword default LIMIT * Add support for COUNT(*) * Move 'Commands' and 'Functions and operators' to individual pages --------- Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>
2023-10-17 23:36:14 +08:00
* <<esql-left>>
* <<esql-length>>
[DOCS][ESQL] Render locate function docs (#107305)
2024-04-10 21:12:20 +08:00
* <<esql-locate>>
Restructure ES|QL docs (#100806) * Break out 'Limitations' into separate page * Add REST API docs * Restructure commands, functions, and operators refs * Add placeholder for getting started guide * Group 'Syntax', 'Metafields', and 'MV fields' under 'Language' * Add placeholder for Kibana page * Add link from landing page * Apply uniform formatting to ACOS, CASE, and DATE_PARSE function refs * Reword default LIMIT * Add support for COUNT(*) * Move 'Commands' and 'Functions and operators' to individual pages --------- Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>
2023-10-17 23:36:14 +08:00
* <<esql-ltrim>>
ESQL: add REPEAT string function (#109220) Add support for the string manipulation function REPEAT(string, number). This function concatenates the string argument with itself the specified number of times. If number is 0 an empty string is returned. If number is less than 0, null is returned and a warning is logged. If number is less than 0 and is a constant, the query will fail without executing.
2024-06-05 05:32:43 +08:00
* <<esql-repeat>>
Restructure ES|QL docs (#100806) * Break out 'Limitations' into separate page * Add REST API docs * Restructure commands, functions, and operators refs * Add placeholder for getting started guide * Group 'Syntax', 'Metafields', and 'MV fields' under 'Language' * Add placeholder for Kibana page * Add link from landing page * Apply uniform formatting to ACOS, CASE, and DATE_PARSE function refs * Reword default LIMIT * Add support for COUNT(*) * Move 'Commands' and 'Functions and operators' to individual pages --------- Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>
2023-10-17 23:36:14 +08:00
* <<esql-replace>>
* <<esql-right>>
* <<esql-rtrim>>
* <<esql-split>>
Docs: move STARTS/ENDS_WITH under string functions in the docs (#107867) This moves the STARTS_WITH and ENDS_with under the strings functions section (as they're not operators).
2024-04-25 21:41:11 +08:00
* <<esql-starts_with>>
Restructure ES|QL docs (#100806) * Break out 'Limitations' into separate page * Add REST API docs * Restructure commands, functions, and operators refs * Add placeholder for getting started guide * Group 'Syntax', 'Metafields', and 'MV fields' under 'Language' * Add placeholder for Kibana page * Add link from landing page * Apply uniform formatting to ACOS, CASE, and DATE_PARSE function refs * Reword default LIMIT * Add support for COUNT(*) * Move 'Commands' and 'Functions and operators' to individual pages --------- Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>
2023-10-17 23:36:14 +08:00
* <<esql-substring>>
Docs: move base64 functions under string functions (#107866) This moves the TO_BASE64 and FROM_BASE64 from the type conversion functions under string functions (they take a string as input and output another string).
2024-04-25 19:57:45 +08:00
* <<esql-to_base64>>
ESQL: Add TO_UPPER and TO_LOWER functions (#104309)
2024-01-15 18:58:57 +08:00
* <<esql-to_lower>>
* <<esql-to_upper>>
Restructure ES|QL docs (#100806) * Break out 'Limitations' into separate page * Add REST API docs * Restructure commands, functions, and operators refs * Add placeholder for getting started guide * Group 'Syntax', 'Metafields', and 'MV fields' under 'Language' * Add placeholder for Kibana page * Add link from landing page * Apply uniform formatting to ACOS, CASE, and DATE_PARSE function refs * Reword default LIMIT * Add support for COUNT(*) * Move 'Commands' and 'Functions and operators' to individual pages --------- Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>
2023-10-17 23:36:14 +08:00
* <<esql-trim>>
Add improvements to the ES|QL docs (#101195) Content and structural improvements to the ES|QL docs --------- Co-authored-by: Alexandros Batsakis <abatsakis@splunk.com> Co-authored-by: Abdon Pijpelink <abdon.pijpelink@elastic.co>
2023-10-23 22:45:42 +08:00
// end::string_list[]
Restructure ES|QL docs (#100806) * Break out 'Limitations' into separate page * Add REST API docs * Restructure commands, functions, and operators refs * Add placeholder for getting started guide * Group 'Syntax', 'Metafields', and 'MV fields' under 'Language' * Add placeholder for Kibana page * Add link from landing page * Apply uniform formatting to ACOS, CASE, and DATE_PARSE function refs * Reword default LIMIT * Add support for COUNT(*) * Move 'Commands' and 'Functions and operators' to individual pages --------- Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>
2023-10-17 23:36:14 +08:00
[ES|QL] more doc generation via annotations (#107541) Annotations for math functions, datetime functions, string functions, type conversion functions.
2024-04-23 02:43:36 +08:00
include::layout/concat.asciidoc[]
[ES|QL] Add/Modify annotations for operators for better doc generation (#108220) * annotation for operators
2024-05-04 10:59:51 +08:00
include::layout/ends_with.asciidoc[]
Docs: move base64 functions under string functions (#107866) This moves the TO_BASE64 and FROM_BASE64 from the type conversion functions under string functions (they take a string as input and output another string).
2024-04-25 19:57:45 +08:00
include::layout/from_base64.asciidoc[]
ESQL: Generate more docs (#106367) This modifies the ESQL test infrastructure to generate more of the documentation for functions. It generates the *Description* section, the *Examples* section, and the *Parameters* section as separate files so we can use them as needed. It also generates a `layout` file that's just a guess as to how to render the whole thing. In some cases it'll work and we can use that instead of hand maintaining a "top level" description file for the function. Most newly generated files are unused. We have to chose to pick them up by replacing the sections we were manually maintaining with an include of the generated section. Or by replacing the entire hand maintained file with the generated top level file. Relates to #104247
2024-03-20 03:40:13 +08:00
include::layout/left.asciidoc[]
[ES|QL] more doc generation via annotations (#107541) Annotations for math functions, datetime functions, string functions, type conversion functions.
2024-04-23 02:43:36 +08:00
include::layout/length.asciidoc[]
[DOCS][ESQL] Render locate function docs (#107305)
2024-04-10 21:12:20 +08:00
include::layout/locate.asciidoc[]
[ES|QL] more doc generation via annotations (#107541) Annotations for math functions, datetime functions, string functions, type conversion functions.
2024-04-23 02:43:36 +08:00
include::layout/ltrim.asciidoc[]
ESQL: add REPEAT string function (#109220) Add support for the string manipulation function REPEAT(string, number). This function concatenates the string argument with itself the specified number of times. If number is 0 an empty string is returned. If number is less than 0, null is returned and a warning is logged. If number is less than 0 and is a constant, the query will fail without executing.
2024-06-05 05:32:43 +08:00
include::layout/repeat.asciidoc[]
[ES|QL] more doc generation via annotations (#107541) Annotations for math functions, datetime functions, string functions, type conversion functions.
2024-04-23 02:43:36 +08:00
include::layout/replace.asciidoc[]
include::layout/right.asciidoc[]
include::layout/rtrim.asciidoc[]
include::layout/split.asciidoc[]
[ES|QL] Add/Modify annotations for operators for better doc generation (#108220) * annotation for operators
2024-05-04 10:59:51 +08:00
include::layout/starts_with.asciidoc[]
[ES|QL] more doc generation via annotations (#107541) Annotations for math functions, datetime functions, string functions, type conversion functions.
2024-04-23 02:43:36 +08:00
include::layout/substring.asciidoc[]
Docs: move base64 functions under string functions (#107866) This moves the TO_BASE64 and FROM_BASE64 from the type conversion functions under string functions (they take a string as input and output another string).
2024-04-25 19:57:45 +08:00
include::layout/to_base64.asciidoc[]
[ES|QL] more doc generation via annotations (#107541) Annotations for math functions, datetime functions, string functions, type conversion functions.
2024-04-23 02:43:36 +08:00
include::layout/to_lower.asciidoc[]
include::layout/to_upper.asciidoc[]
include::layout/trim.asciidoc[]