IsNumeric.md 539 Bytes

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IsNumeric (function)


判断是否是数字（相当于sql Server中 IsNumeric函数）


Type: FUNCTION

Returns: int


Deterministic: NO

SQL data access: CONTAINS SQL

Created: 2026-04-27 19:10:17

Last altered: 2026-04-27 19:10:17


Parameters


#
Mode
Name
Type


1
IN
str
varchar(25)


Body

Body is not pre-cached. To inspect: mysql --defaults-file=~/.my.cnf -e 'SHOW CREATE FUNCTIONIsNumeric'.


Narrative

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