Nuchanard Chiannilkulchai <nuch@valigene.com> writes:
> The problem is : select position ('_' in a ) from table_a does not
> work.
> ERROR: No such function 'strpos' with the specified attributes
Hmm, I don't see that under either 6.4.2 or current sources.
What data type is your column a? I tried text and char(n) and neither
one gave an error...
regards, tom lane