Re: updateable cursors & visibility
От | Hiroshi Inoue |
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Тема | Re: updateable cursors & visibility |
Дата | |
Msg-id | 3E83E79F.2FD7844F@tpf.co.jp обсуждение исходный текст |
Ответ на | Re: updateable cursors & visibility (Bruce Momjian <pgman@candle.pha.pa.us>) |
Ответы |
Re: updateable cursors & visibility
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Список | pgsql-hackers |
Bruce Momjian wrote: > > Hiroshi Inoue wrote: > > Bruce Momjian wrote: > > > > > > Peter Eisentraut wrote: > > > > Bruce Momjian writes: > > > > > > > > I don't understand what you two are discussing. > > What's is SENSITIVE, INSENSITIVE or ASESNSITIVE ? > > In SQL99 standard, I see: > > - If the cursor is insensitive, then significant changes are not > visible. > > - If the cursor is sensitive, then significant changes are > visible. > > - If the cursor is asensitive, then the visibility of significant > changes is implementation-dependent. While a cursor is open, another application inserted a row which satisfies the condition to be contained in the cursor and committed. Then If the cursor is SENSITIVE, must it see the row ? If the cursor is INSENSITIVE, it mustn't see the row ? regards, Hiroshi Inouehttp://www.geocities.jp/inocchichichi/psqlodbc/
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