Re: UPDATE query with variable number of OR conditions in WHERE - Mailing list pgsql-sql

Quoth jorgemal1960@gmail.com (JORGE MALDONADO):
> 
> I am building an UPDATE query at run-time and one of the fields I want to
> include in the WHERE condition may repeat several times, I do not know how
> many.
> 
> UPDATE table1
> SET field1 = "some value"
> WHERE (field2 = value_1 OR field2 = value_2 OR .....OR field2 = value_n)
> 
> I build such a query using a programming language and, after that, I
> execute it. Is this a good approach to build such a query?

You can use IN for this:
   UPDATE table1   SET field1 = "some value"   WHERE field2 IN (value_1, value_2, ...);

Ben