Re: [SQL] line datatype
От | Thomas Lockhart |
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Тема | Re: [SQL] line datatype |
Дата | |
Msg-id | 3D343BEA.1B51B9CD@fourpalms.org обсуждение исходный текст |
Ответ на | Re: [SQL] line datatype (Bruce Momjian <pgman@candle.pha.pa.us>) |
Ответы |
Re: [SQL] line datatype
Re: [SQL] line datatype |
Список | pgsql-hackers |
... > > We do need a solution for exact dump/reload of floating-point data, > > but I don't see why the lack of it should be reason to disable access > > to the LINE type. > I don't understand why dumping the two point values isn't sufficient. Which two point values? LINE is handled as an equation, not as points, unlike the LSEG type which has two points. One possibility is to have the external representation *be* the same as LSEG, then convert internally. Then we need to decide how to scale those points; maybe always using a unit vector is the right thing to do... - Thomas
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