PostgreSQL 8.2.3 婺桺桺懼
劯锔媆锔䆹50. GiST 䘵嚘媆誕嬉誕

50.3. 垂䯄

婔婻䫘庯 GiST 䔇䘵嚘淉嘩严䌂媙釂柊冕䔇婄婻桹濘

consistent

䂍庺婔婻婘湏䔇昄扞釕婪䔇脷臉 p 启婔婻䫘潙昖臵 q 套悩凹庯婔婻䂍垔䔇昄扞釹pq 鄘冽滯䇞婄婉脘婺䩘闼幽認婻桹濘儖誫啂啺㔗

union

認婻桹濘劽幽湏婺䔇媇敇㔗䂍庺婔婻溇䕞䔇镖劽認婻庘昄䫘潊婔婻桄䔇脷臉認婻脷臉凹欔橬認底溇䕞鄘婺䩘㔗

compress

儖昄扞釹蘸扵潊婔婻锗劽庯婘婔婻䘵嚘釕麯麵䬷䊖庻嗘䔇湚嚟㔗

decompress

compress 桹濘䔇埉桹濘㔗檪婔婻昄扞釹䔇䘵嚘臘䯄嘵嚟蘸扵潊埇傖䫌昄扞康淉嘩䔇湚嚟㔗

penalty

誫啂婔婻臘䴺儖桄溇䕞某噖湏婺䬹垔彖櫇驔襕䔇"嚔體"䔇昄唚㔗釹儖嚔毬䙓湏婺橔償 penalty 䔇虇冇某婋寂㔗

picksplit

套悩驔襕彖輗婔婻釕麵䔇施唍認婻庘昄喿垔釕麵婺巻底溇䕞媺庻取斓釕麵麯蔯巻底䓂媘彄桄釕麵麯㔗

same

套悩婴婻溇䕞䕩劯誫啂䩘劥彍誫啂啺㔗


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