Re: immutable functions and enumerate type casts in indexes

[Tom Lane <tgl@xxxxxxxxxxxxx>]

Edoardo Panfili <edoardo@xxxxxxxx> writes:
> 	labelDatum = DirectFunctionCall1(enum_out,datumIbrido);
> 	label = (char *) DatumGetPointer(labelDatum);

Just FYI, preferred style for the second line would be

	label = DatumGetCString(labelDatum);

Nearly all standard data types have DatumGetFoo and FooGetDatum
macros to hide the conversion details (even if it's only a cast).

			regards, tom lane