Can someone comment on the status of this?
> It seems the length coerce for bpchar is broken since 7.0.
> In 6.5 when a string is inserted, bpchar() is called to properly clip
> the string. However in 7.0 (and probably current) bpchar() is not
> called anymore.
>
> coerce_type_typmod() calls exprTypmod(). exprTypmod() returns VARSIZE
> of the bpchar data only if the data type is bpchar (if the data type
> is varchar, exprTypmod just returns -1 and the parser add a function
> node to call varchar(). so there is no problem for varchar). If
> VARSIZE returned from exprTypmod() and atttypmod passed to
> coerce_type_typmod() is equal, the function node to call bpchar()
> would not be added.
>
> I'm not sure if this was an intended efect of the change. Anyway we
> have to do the length coerce for bpchar somewhere and I'm thinking now
> is doing in bpcharin(). This would also solve the problem in copy in a
> mail I have posted.
>
> Comments?
> --
> Tatsuo Ishii
>
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