PostgreSQL䌂傋係䂘寙劆婔係彖䬹枪䫘锫䔇溇䕞垄傸毬䙓䌂彆準臘埆啔嚻䌂傋㔗嚻䌂傋婉脘嘩婺庖枕䔇昄扞䌂傋嘖滇垄埇傖䫘庯弄滯婔婻庘昄䔇埗昄潡蔙䂷悩䌂傋㔗嚻䌂傋婘婔婻庘昄婉埻滇䞔剘婄毖埖幽誫啂昊䓉 SQL 昄扞䌂傋䔇愙喕婋冽橬䫘㔗臘8-20彖庺庖欔橬䔇嚻䌂傋㔗
臘8-20. 嚻䌂傋
| 劉庖 | 柟誄 |
|---|---|
| any | 臘䴺婔婻庘昄毖埖傂嘘膷噖昄扞䌂傋 |
| anyarray | 臘䴺婔婻庘昄毖埖傂懟昄䂇昄扞䌂傋(埗黙誗33.2.5) |
| anyelement | 臘䴺婔婻庘昄毖埖傂嘘昄扞䌂傋(埗黙誗33.2.5) |
| cstring | 臘䴺婔婻庘昄毖埖潡蔙誫啂婔婻䷺䂷儆䔇 C 庖严婾 |
| internal | 臘䴺婔婻庘昄毖埖潡蔙誫啂婔䓉橉媇単喙鄘䔇昄扞䌂傋 |
| language_handler | 婔婻誺䘋臺蘔脄䫘崇䊖単弄滯婺誫啂 language_handler |
| record | 湺臖婔婻庘昄誫啂婔婻橻弄滯䔇臯䌂傋 |
| trigger | 婔婻蓥埏単庘昄弄滯婺誫啂 trigger |
| void | 臘䴺婔婻庘昄婉誫啂昄唚 |
| opaque | 婔婻噾䂟誺施䔇䌂傋傖嬉䫘庯欔橬婪麵認底䫘锫 |
䫘 C 䚡喍䔇庘昄(婉䞇滇喙䘞䔇誻滇媘攕輙蘘䔇)鄘埇傖弄滯婺毖埖潡蔙誫啂認湙䔇嚻昄扞䌂傋㔗婘檪嚻䌂傋䫘啔庘昄埗昄䌂傋䔇施唍媺臕庘昄臯婺溼婩儌滇庘昄嘩蔙䔇傂媇庖㔗
䫘誺䘋臺蘔䚡喍䔇庘昄埻脘湹扞垄傸䔇垂䯄臺蘔滇劥埇傖嘪䫘嚻䌂傋蔯嘪䫘垄㔗䕞嬉誺䘋臺蘔鄘婉噕螩嘪䫘嚻䌂傋嘩婺埗昄䌂傋幽婫埻噕螩嘪䫘 void 启 record 嘩婺䂷悩䌂傋(套悩庘昄䫘啔蓥埏単闼幽媹婪 trigger)㔗婔底崔攕䔇庘昄誻櫇毕嘪䫘 anyarray 启 anyelement 䌂傋㔗
嚻䌂傋 internal 䫘庯弄滯闼䓉埻脘婘昄扞康係䂘喙鄘脄䫘䔇庘昄垄傸婉脘䕘毖婘 SQL 昖臵麯脄䫘㔗套悩庘昄躿儏橬婔婻 internal 䌂傋䔇埗昄闼幽潏傸儌婉脘傯 SQL 麯脄䫘垄㔗婺庖媺䘍認婻鍊彽䔇䌂傋垬噘潏傸婔垔襕镕冻認湙䔇䚡乕蓇彍婉襕录傺傂嘘弄滯婺誫啂 internal 䔇庘昄鍴麂垄躿儏橬婔婻 internal 埗昄㔗