index idea for system catalogs

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От Brian E Gallew
Тема index idea for system catalogs
Дата
Msg-id 200006081506.LAA14185@smtp3.andrew.cmu.edu
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Ответы Re: index idea for system catalogs  (Oleg Bartunov <oleg@sai.msu.su>)
Список pgsql-hackers
For the unique system indexes, does it make sense to do a hash index
instead of the B-tree?

Also, does it make sense to implement a bitmap index (like Oracle 8i)?
That would work for even non-unique catalogs, although doing it
"right" would be a lot of work.

Is there interest in me looking at doing bitmap indexes (assuming
someone isn't already working on it)?

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