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Is there any way convert text to time type? Code in postgresql as below:
to_char(localtimestamp(0),'HH24:mi:SS')
this way I will get the value like 15:15:20,but this type is varchar(or text).
How can I do to get the value in time type?
Thanks!
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What is PostgreSQL Time Data Type? In PostgreSQL, the next data type is TIME, which stores the Time of days values. The PostgreSQL Time Data type involves 8 bytes of storage and up to 6 digits of precision, and the range starts from 00:00:00 to 24:00:00 for Time data type.
The PostgreSQL function CURRENT_TIME returns the current time and time zone offset of the machine on which PostgreSQL is running. It is given as a value in the 'hh:mm:ss. nnnnnn+/-tz' format.
YES, you can convert EPOCH to Timestamp by merely switching to the present Timestamp in PostgreSQL DBMS. EPOCH time is nothing but the number of seconds from 00:00:00 UTC on 1 January 1970. Till date, without adding the extra leap year days, this is considered. Furthermore, every day treated as 86400 seconds.
PostgreSQL supports a CAST operator that is used to convert a value of one type to another. Syntax: CAST ( expression AS target_type ); Let's analyze the above syntax: First, specify an expression that can be a constant, a table column, an expression that evaluates to a value.
SELECT TO_TIMESTAMP('15:15:20', 'HH24:MI:SS')::TIME
Note that your very query (which returns local time) can be rewritten as
SELECT LOCALTIME
which would return TIME
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