From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Lille Penguini <lille(dot)penguini(at)gmail(dot)com> |
Cc: | pgsql-novice(at)postgresql(dot)org |
Subject: | Re: even after laboriously following previous post, cannot cast from char to int |
Date: | 2011-02-17 19:32:09 |
Message-ID: | 13467.1297971129@sss.pgh.pa.us |
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Lists: | pgsql-novice |
Lille Penguini <lille(dot)penguini(at)gmail(dot)com> writes:
> Re casting char columns to int, I've worked all the proposed solutions
> from previous
> post-gres mailing list
> posts<http://archives.postgresql.org/pgsql-general/2010-02/msg01078.php>,
> but to no avail.
> None of the ALTER TABLE proposed fixes worked for me, and now I have a new
> INTEGER type column created, I execute the following:
> UPDATE zip_code_data SET county_fips_rev = CAST(county_fips as INTEGER);
> ...and this is what I get:
> ERROR: invalid input syntax for type numeric: " "
> What is this telling me?
It's telling you you have a row in which the value is all blanks,
and that doesn't look enough like a number to satisfy the cast function.
You need to clean the data ...
regards, tom lane
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