[Haskell-cafe] Takusen, postgres and boolean fields

Sasha Shipka xaotuk at gmail.com
Fri Apr 24 18:17:22 EDT 2009

Let say one has to do something similar to this:

execDML $ cmdbind (sql "update some_table set some_boolean_field = ?
where ...") [bindP True, ...]

When I do it, I have an error:

DBError ("42","804") 7 "ERROR:  42804: column \"some_boolean_field\"
is of type boolean but expression is of type text ..."

I've noticed that when I read boolean fields from postgres it reads
them as string "t" or "f". So I also tried bindP "t" and had same

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