Re: How to implent the CONVERT ( data_type [ ( length ) ] , expression ) function in PostgreSQL

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От Emanuel Calvo
Тема Re: How to implent the CONVERT ( data_type [ ( length ) ] , expression ) function in PostgreSQL
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Msg-id 54563C04.3090508@2ndquadrant.com
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Ответ на How to implent the CONVERT ( data_type [ ( length ) ] , expression ) function in PostgreSQL  (rohtodeveloper <rohtodeveloper@outlook.com>)
Ответы Re: How to implent the CONVERT ( data_type [ ( length ) ] , expression ) function in PostgreSQL  (Adrian Klaver <adrian.klaver@aklaver.com>)
Список pgsql-general
El 02/11/14 a las 07:15, rohtodeveloper escibió:
> Dear
>
> I'm doing a job about converting an expression of one data type to
> another.
> In SQLServer, there'are two functions to do this job.
>

From which data_type to which one?  In psql, the option \dC, will give
you the list of supported casts.

Did you try the cast operand?

postgres=# select '1235'::int , 823::text, (now()::date)::text;
 int4 | text |    now
------+------+------------
 1235 | 823  | 2014-11-02
(1 row)



--
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Emanuel Calvo                 http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services



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