On Thu, Feb 10, 2011 at 9:02 PM, Scott Ribe <scott_r...@elevated-dev.com> wrote:
> I know that I have at least one instance of a varchar that is not valid 
> UTF-8, imported from a source with errors (AMA CPT files, actually) before 
> PG's checking was as stringent as it is today. Can anybody suggest a query to 
> find such values?

CREATE OR REPLACE FUNCTION is_utf8(text)
RETURNS bool AS $$
try:
    args[0].decode('utf8')
    return True
except UnicodeDecodeError:
    return False
$$ LANGUAGE plpythonu STRICT;

-- 
marko

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