原文地址: https://www.elastic.co/guide/en/elasticsearch/reference/7.7/sql-syntax-show-columns.html, 原文档版权归 www.elastic.co 所有
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current release documentation.
SHOW COLUMNSedit
Synopsis:
See index patterns for more information about patterns.
Description: List the columns in table and their data type (and other attributes).
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
salary |INTEGER |integer