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OpenSearch/docs/reference/sql/language/syntax/commands/show-columns.asciidoc

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[DOCS] Move sql to docs (#31474)
2018-06-22 18:40:25 -04:00
[role="xpack"]
[testenv="basic"]
[DOCS] Significantly improve SQL docs Introduce SQL commands Move reserved keywords into an appendix Add section on security Introduce concepts section
2018-06-20 14:40:13 -04:00
[[sql-syntax-show-columns]]
=== SHOW COLUMNS
SQL: document the use of a filter on _routing (#52355) * Fix "Description"s for various sections in the functions pages. * Added a TIP for searching using a routing key. * Other small polishings (cherry picked from commit 9fad0b1ac4409a42c435ed040f41cbaea18930a3)
2020-02-14 11:58:45 -05:00
.Synopsis:
[DOCS] Significantly improve SQL docs Introduce SQL commands Move reserved keywords into an appendix Add section on security Introduce concepts section
2018-06-20 14:40:13 -04:00
[source, sql]
----
[DOCS] Remove inline callouts in SQL Command docs for Asciidoctor migration (#41276)
2019-04-22 09:22:41 -04:00
SHOW COLUMNS [ FROM | IN ]?
[table identifier | <1>
[LIKE pattern] ] <2>
[DOCS] Significantly improve SQL docs Introduce SQL commands Move reserved keywords into an appendix Add section on security Introduce concepts section
2018-06-20 14:40:13 -04:00
----
SQL: Show/desc commands now support table ids (#33363) Extend SHOW TABLES, DESCRIBE and SHOW COLUMNS to support table identifiers not just SQL LIKE pattern. This allows both Elasticsearch-style multi-index patterns and SQL LIKE. To disambiguate between the two (as the " vs ' can be easy to miss), the grammar now requires LIKE keyword as a prefix for all LIKE-like patterns. Also added some docs comparing the two types of patterns. Fix #33294
2018-09-04 09:54:10 -04:00
<1> single table identifier or double quoted es multi index
<2> SQL LIKE pattern
DOCS: Fix anchor and example typos
2018-09-04 12:05:21 -04:00
See <<sql-index-patterns, index patterns>> for more information about
SQL: Show/desc commands now support table ids (#33363) Extend SHOW TABLES, DESCRIBE and SHOW COLUMNS to support table identifiers not just SQL LIKE pattern. This allows both Elasticsearch-style multi-index patterns and SQL LIKE. To disambiguate between the two (as the " vs ' can be easy to miss), the grammar now requires LIKE keyword as a prefix for all LIKE-like patterns. Also added some docs comparing the two types of patterns. Fix #33294
2018-09-04 09:54:10 -04:00
patterns.
SQL: document the use of a filter on _routing (#52355) * Fix "Description"s for various sections in the functions pages. * Added a TIP for searching using a routing key. * Other small polishings (cherry picked from commit 9fad0b1ac4409a42c435ed040f41cbaea18930a3)
2020-02-14 11:58:45 -05:00
*Description*: List the columns in table and their data type (and other attributes).
DOC: Add examples to the SQL docs (#31633) Significantly improve the example snippets in the documentation. The examples are part of the test suite and checked nightly. To help readability, the existing dataset was extended (test_emp renamed to emp plus library). Improve output of JDBC tests to be consistent with the CLI Add lenient flag to JDBC asserts to allow type widening (a long is equivalent to a integer as long as the value is the same).
2018-07-03 09:56:31 -04:00
[DOCS] Remove unneeded options from `[source,sql]` code blocks (#42759) In AsciiDoc, `subs="attributes,callouts,macros"` options were required to render `include-tagged::` in a code block. With elastic/docs#827, Elasticsearch Reference documentation migrated from AsciiDoc to Asciidoctor. In Asciidoctor, the `subs="attributes,callouts,macros"` options are no longer needed to render `include-tagged::` in a code block. This commit removes those unneeded options. Resolves #41589
2019-05-31 13:03:41 -04:00
[source, sql]
DOC: Add examples to the SQL docs (#31633) Significantly improve the example snippets in the documentation. The examples are part of the test suite and checked nightly. To help readability, the existing dataset was extended (test_emp renamed to emp plus library). Improve output of JDBC tests to be consistent with the CLI Add lenient flag to JDBC asserts to allow type widening (a long is equivalent to a integer as long as the value is the same).
2018-07-03 09:56:31 -04:00
----
SQL: Spec tests now use classpath discovery (#40388) To avoid having to specify each spec by hand (which can miss specs to be added), the test infrastructure now performs classpath discovery so that each spec added, is automatically considered. Relates #40358 (cherry picked from commit d0f60b4425c731509aa8ca765d55f563f866ef90)
2019-03-25 09:22:59 -04:00
include-tagged::{sql-specs}/docs/docs.csv-spec[showColumns]
DOC: Add examples to the SQL docs (#31633) Significantly improve the example snippets in the documentation. The examples are part of the test suite and checked nightly. To help readability, the existing dataset was extended (test_emp renamed to emp plus library). Improve output of JDBC tests to be consistent with the CLI Add lenient flag to JDBC asserts to allow type widening (a long is equivalent to a integer as long as the value is the same).
2018-07-03 09:56:31 -04:00
----
SQL: Show/desc commands now support table ids (#33363) Extend SHOW TABLES, DESCRIBE and SHOW COLUMNS to support table identifiers not just SQL LIKE pattern. This allows both Elasticsearch-style multi-index patterns and SQL LIKE. To disambiguate between the two (as the " vs ' can be easy to miss), the grammar now requires LIKE keyword as a prefix for all LIKE-like patterns. Also added some docs comparing the two types of patterns. Fix #33294
2018-09-04 09:54:10 -04:00