=?UTF-8?Q?Viktor_Bojovi=C4=87?= <[email protected]> writes:
> while listing data types i have noticed that some types have underscore
> prefix but i don't know why is that. so im asking if somene can tell me.
> These are type examples:
> _char
> _float4
> _int2
> _oid
> _regtype
> _text
> _varchar
Those are array types. The normal convention is that foo[] is named
"_foo" under the surface.
regards, tom lane
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