Re: How to convert integer to string in functions - Mailing list pgsql-general

From David Johnston
Subject Re: How to convert integer to string in functions
Date
Msg-id CEE8A354-4A76-4271-A932-FB2F996FE997@yahoo.com
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In response to How to convert integer to string in functions  (Siva Palanisamy <siva_p@hcl.com>)
Responses Re: How to convert integer to string in functions
List pgsql-general

In my table, some of the columns are in text datatype. Few data will come down from UI layer as integers. I want to convert that to string/text before saving it into the table. Please help me on this.


SQL Standard:  "CAST( value AS text )" [or varchar]
PostgreSQL short-hand:  "value::text"

In both formats replace value with whatever you want to convert.  When writing a parameterized  query (using ?) you can write "?::text" ( or Cast(? AS type) ) to explicitly cast the unknown parameter.  The "text" in the above can be any type name.

David J.




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