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Convert column of text to time


Convert column of text to time

By : Fahd Arshad
Date : November 18 2020, 11:13 AM
like below fixes the issue I have a table named 'slots' with a column whose values are time slots (like 8:00 am, 9:00 am, 9:30 am and so on). But these values are stored as text. I want to convert them to time. I tried the following query , you need to use back ticks
code :
UPDATE `slots` SET `slot` = TIME_FORMAT(TIME( STR_TO_DATE( `slot`, '%h:%i %p' ) ), '%h:%i %p' );


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How to process only one column and convert unix time in text file in BASH

How to process only one column and convert unix time in text file in BASH


By : Виктор Федоровых
Date : March 29 2020, 07:55 AM
wish helps you I have a text file with table like , try
code :
awk '{print strftime("%c",$1)}' input.txt
while read d _; do date -d @$d; done < input.txt
while read f1 f2; do echo $(date -d @$f1) $f2; done < input.txt
How can I change a MySQL column from VARCHAR to date time and convert the data at the same time?

How can I change a MySQL column from VARCHAR to date time and convert the data at the same time?


By : user7031497
Date : March 29 2020, 07:55 AM
I hope this helps . I have a large set of data with a varchar column which contains an unusual date time format.
code :
UPDATE `table`
SET `column` = STR_TO_DATE(`column`,'%Y-%m-%d')
I have a column of text and text-formatted-numbers. If number;convert. If text;return text

I have a column of text and text-formatted-numbers. If number;convert. If text;return text


By : Leith Hamid
Date : March 29 2020, 07:55 AM
like below fixes the issue As I mentioned in the comments use the error checking to do a mass conversion but if you still insist on a formula then here it is.
code :
=IFERROR(INT(A1),A1)
Python - Read only the time from a .csv Datetime string column, then convert time to UTC

Python - Read only the time from a .csv Datetime string column, then convert time to UTC


By : Dominic Ismert
Date : March 29 2020, 07:55 AM
around this issue The datetime library is what you're looking for: https://docs.python.org/2/library/datetime.html
code :
>>> from datetime import datetime
>>> dt = datetime.strptime("21/11/06 16:30", "%d/%m/%y %H:%M")
>>> dt
datetime.datetime(2006, 11, 21, 16, 30)
>>> def local_to_utc(t):
...     secs = time.mktime(t)
...     return time.gmtime(secs)
>>> a = local_to_utc(dt.timetuple())
>>> datetime.fromtimestamp(time.mktime(a)).strftime("%H:%m:%S")
Scala Spark : Convert Double Column to Date Time Column in dataframe

Scala Spark : Convert Double Column to Date Time Column in dataframe


By : Ankit Gupta
Date : March 29 2020, 07:55 AM
hop of those help? I am trying to write code to convert date-time columns date and last_updated_date which are actually unix times cast as doubles into "mm-dd-yyyy" format for display. How do I do this ? , Cast to timestamp:
code :
df.select(col("date").cast("timestamp"));
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