Re: INTERVAL data type and libpq - what format?

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От Ron Mayer
Тема Re: INTERVAL data type and libpq - what format?
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Msg-id 4A13D036.9070406@cheapcomplexdevices.com
обсуждение исходный текст
Ответ на Re: INTERVAL data type and libpq - what format?  (Sam Mason <sam@samason.me.uk>)
Ответы Re: INTERVAL data type and libpq - what format?  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-general
Sam Mason wrote:
> You get an error because " 123 11" isn't a valid literal of an
> (undecorated) INTERVAL type.

Hmm..... should it be?
Skimming the spec makes me think it might be a valid day-time interval.

Quoting the spec:
<unquoted interval string> ::=
  [ <sign> ] { <year-month literal> | <day-time literal> }
...
<day-time literal> ::=
    <day-time interval>
  | <time interval>
<day-time interval> ::=
  <days value> [ <space> <hours value> [ <colon> <minutes value>
      [ <colon> <seconds value> ] ] ]

I can send a patch if this interpretation is right...



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