Re: [HACKERS] LZTEXT for rule plan stings
От | Don Baccus |
---|---|
Тема | Re: [HACKERS] LZTEXT for rule plan stings |
Дата | |
Msg-id | 3.0.1.32.20000226105512.016e6c60@mail.pacifier.com обсуждение исходный текст |
Ответ на | Re: [HACKERS] LZTEXT for rule plan stings (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-hackers |
At 12:15 PM 2/26/00 -0500, Tom Lane wrote: >and (except for not using any excess whitespace) that is exactly what >goes into a rule action string. > >As you can see, this is very amenable to compression, especially >when you have a lot of columns in a view. > >Someday we might think about using a more compact representation for >stored rules, but there are advantages to using a format that's fairly >easy for a human to examine. Oh, now I understand, I didn't realize the tree was being stored in human-readable form as a string, but thought it was being parsed into a binary form. That's why I began having doubts that I might've triggered unecessary work on Jan's part regarding lztext. Yes, since it's stored as a text string lztext should help a LOT. - Don Baccus, Portland OR <dhogaza@pacifier.com> Nature photos, on-line guides, Pacific Northwest Rare Bird Alert Serviceand other goodies at http://donb.photo.net.
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