原文地址: https://www.elastic.co/guide/en/elasticsearch/reference/7.7/sql-functions.html, 原文档版权归 www.elastic.co 所有
IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Functions and Operatorsedit
Elasticsearch SQL provides a comprehensive set of built-in operators and functions:
- Date-Time Operators
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CURRENT_DATE/CURDATE
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CURRENT_TIME/CURTIME
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CURRENT_TIMESTAMP
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DATE_ADD/DATEADD/TIMESTAMP_ADD/TIMESTAMPADD
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DATE_DIFF/DATEDIFF/TIMESTAMP_DIFF/TIMESTAMPDIFF
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DATE_PART/DATEPART
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DATE_TRUNC/DATETRUNC
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DAY_OF_MONTH/DOM/DAY
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DAY_OF_WEEK/DAYOFWEEK/DOW
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DAY_OF_YEAR/DOY
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DAY_NAME/DAYNAME
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HOUR_OF_DAY/HOUR
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ISO_DAY_OF_WEEK/ISODAYOFWEEK/ISODOW/IDOW
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ISO_WEEK_OF_YEAR/ISOWEEKOFYEAR/ISOWEEK/IWOY/IW
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MINUTE_OF_DAY
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MINUTE_OF_HOUR/MINUTE
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MONTH_OF_YEAR/MONTH
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MONTH_NAME/MONTHNAME
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NOW
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SECOND_OF_MINUTE/SECOND
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QUARTER
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TODAY
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WEEK_OF_YEAR/WEEK
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YEAR
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EXTRACT
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