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Posted to dev@flink.apache.org by "sunjincheng (JIRA)" <ji...@apache.org> on 2017/06/12 09:07:00 UTC
[jira] [Created] (FLINK-6895) Add STR_TO_DATE supported in SQL
sunjincheng created FLINK-6895:
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Summary: Add STR_TO_DATE supported in SQL
Key: FLINK-6895
URL: https://issues.apache.org/jira/browse/FLINK-6895
Project: Flink
Issue Type: Sub-task
Components: Table API & SQL
Affects Versions: 1.4.0
Reporter: sunjincheng
STR_TO_DATE(str,format) This is the inverse of the DATE_FORMAT() function. It takes a string str and a format string format. STR_TO_DATE() returns a DATETIME value if the format string contains both date and time parts, or a DATE or TIME value if the string contains only date or time parts. If the date, time, or datetime value extracted from str is illegal, STR_TO_DATE() returns NULL and produces a warning.
* Syntax:
STR_TO_DATE(str,format)
* Arguments
**str: -
**format: -
* Return Types
DATAETIME/DATE/TIME
* Example:
STR_TO_DATE('01,5,2013','%d,%m,%Y') -> '2013-05-01'
SELECT STR_TO_DATE('a09:30:17','a%h:%i:%s') -> '09:30:17'
* See more:
** [MySQL| https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_str-to-date]
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