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Mysql string as of today with the given format containing the timezone specifier

I have a string column in my database as

Wed Aug 13 17:51:06 GMT+05:30 2014

Can I do this until today and use this in the where clause to get the records

where
Timecolumn >( CURDATE()-7)

Note that the time zone specifier GMT+05:30

is between the time of day string and the four-digit year string.

I am using this query in phpmyadmin but I am not getting any results and yes they exist

 SELECT * FROM `calldetails` WHERE STR_TO_DATE('date', '%a %b %d %H:%i:%s %x %Y')>(CURDATE()-7)

Also date is the name of my column here

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1 answer


Use substr()

to truncate time zone data.
Also CURDATE() - 7

should beSUBDATE(CURDATE(), 7 

select
    concat(substr(str, 1, 19),substr(str, 30)) as str_sans_tz,
    str_to_date(concat(substr(str, 1, 19),substr(str, 30)),
      '%a %b %e %H:%i:%s %Y') date
from mytable

Output (pre and post parsing):

|              STR_SANS_TZ |                          DATE |
|--------------------------|-------------------------------|
| Wed Aug 13 17:51:06 2014 | August, 13 2014 17:51:06+0000 |


SQLFiddle

Applicable to your request:

SELECT * FROM `calldetails`
WHERE str_to_date(concat(substr(`date`, 1, 19), substr(`date`, 30)), '%a %b %e %H:%i:%s %Y') > SUBDATE(CURDATE(), 7)
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