将字符串转换为时间sql或雪花

Question

How can I convert 'PT5H19M' to time format using SQL? I used in MySQL STR_TO_DATE('PT5H19M', 'PT%HH%iM')

Answer 1

This is caused by the SQL Mode NO_ZERO_DATE being enabled (which it is by default in MySQL 5.7 and above). If you can control the SQL Mode, you can resolve it by unsetting NO_ZERO_DATE eg

SET @@SQL_MODE = REPLACE(@@SQL_MODE, 'NO_ZERO_DATE', '')
SELECT STR_TO_DATE('PT5H19M', 'PT%HH%iM')

Output:

05:19:00

As a workaround if you can't (or don't want to) set the SQL Mode, you could CONCAT a valid date to your string, and then use TIME to get the time part of the output eg

SELECT TIME(STR_TO_DATE(CONCAT('2001-01-01','PT5H19M'), '%Y-%m-%dPT%HH%iM'))

Output:

05:19:00

Demo on dbfiddle

Answer 2

For Snowflake

select to_time('PT5H19M', '"PT"HH24"H"MI"M"');
----------------------------------------+
 TO_TIME('PT5H19M', '"PT"HH24"H"MI"M"') |
----------------------------------------+
 05:19:00                               |
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