PostgreSQL is case sensitive. But it auto-lowercases table and column names (among other identifiers) in statements, unless you enclose them in double-quotes "".

In this case, this leads to a mismatch. Mostly because someone unwisely created the table with mixed-case column names.

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In reply to Re^2: DBI/DBD::Pg changing my sql query somehow? by cavac
in thread DBI/DBD::Pg changing my sql query somehow? by cormanaz

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