mirror of
https://github.com/elastic/elasticsearch.git
synced 2025-06-29 01:44:36 -04:00
b7e3a1e14b
* delete asciidoc files
* add migrated files
* fix errors
* Disable docs tests
* Clarify release notes page titles
* Revert "Clarify release notes page titles"
This reverts commit 8be688648d.
* Comment out edternal URI images
* Clean up query languages landing pages, link to conceptual docs
* Add .md to url
* Fixes inference processor nesting.
---------
Co-authored-by: Liam Thompson <32779855+leemthompo@users.noreply.github.com>
Co-authored-by: Liam Thompson <leemthompo@gmail.com>
Co-authored-by: Martijn Laarman <Mpdreamz@gmail.com>
Co-authored-by: István Zoltán Szabó <szabosteve@gmail.com>
50 lines
1.6 KiB
Markdown
50 lines
1.6 KiB
Markdown
---
|
|
mapped_pages:
|
|
- https://www.elastic.co/guide/en/elasticsearch/reference/current/sql-syntax-show-columns.html
|
|
---
|
|
|
|
# SHOW COLUMNS [sql-syntax-show-columns]
|
|
|
|
```sql
|
|
SHOW COLUMNS
|
|
[CATALOG identifier]? <1>
|
|
[INCLUDE FROZEN]? <2>
|
|
[FROM | IN]
|
|
[table_identifier | <3>
|
|
LIKE pattern] <4>
|
|
```
|
|
|
|
1. Catalog (cluster) identifier. Supports wildcards (`*`).
|
|
2. Whether or not to include frozen indices.
|
|
3. Single table (index or data stream) identifier or double-quoted multi-target pattern.
|
|
4. SQL LIKE pattern matching table names.
|
|
|
|
|
|
See [index patterns](/reference/query-languages/sql-index-patterns.md) for more information about patterns.
|
|
|
|
**Description**: List the columns in table and their data type (and other attributes).
|
|
|
|
```sql
|
|
SHOW COLUMNS IN emp;
|
|
|
|
column | type | mapping
|
|
--------------------+---------------+---------------
|
|
birth_date |TIMESTAMP |datetime
|
|
dep |STRUCT |nested
|
|
dep.dep_id |VARCHAR |keyword
|
|
dep.dep_name |VARCHAR |text
|
|
dep.dep_name.keyword|VARCHAR |keyword
|
|
dep.from_date |TIMESTAMP |datetime
|
|
dep.to_date |TIMESTAMP |datetime
|
|
emp_no |INTEGER |integer
|
|
first_name |VARCHAR |text
|
|
first_name.keyword |VARCHAR |keyword
|
|
gender |VARCHAR |keyword
|
|
hire_date |TIMESTAMP |datetime
|
|
languages |TINYINT |byte
|
|
last_name |VARCHAR |text
|
|
last_name.keyword |VARCHAR |keyword
|
|
name |VARCHAR |keyword
|
|
salary |INTEGER |integer
|
|
```
|
|
|