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stop using numbers as IDs. just use UUIDs. seriously — Postgres: The Bits You Haven’t Found by pvh UUID ã®é•ã„ v1 Generate a UUID from a host ID, sequence number, and the current time. v3 Generate a UUID from the MD5 hash of a namespace UUID and a name. v4 Generate a random UUID v5 Generate a UUID from the SHA-1 hash of a namespace UUID and a name. ã“ã®å†…ã€ID ã¨ã—ã¦åˆ©ç”¨ã§ãã‚‹ã®ã¯ v1 㨠v4 ã®2ã¤ã€‚v1 ã¯æœ€å¾Œ 48 ビットãŒãƒãƒ¼ãƒ‰å›ºæœ‰ã®ãƒŽãƒ¼
Berkeley DBã€ãƒ©ã‚¤ã‚»ãƒ³ã‚¹ã‚’変更 - OSSコミュニティã§ã¯è°è«–
Oracle, The World's Largest Enterprise Software Company OSSã§ã‚ˆã採用ã•ã‚Œã¦ã„る組ã¿è¾¼ã¿ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã®ã²ã¨ã¤ã«ã€ŒBerkeley DBã€ãŒã‚る。ã‚ーãƒãƒªãƒ¥ãƒ¼å½¢å¼ã®çµ„ã¿è¾¼ã¿ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã§ã€æ´å²ãŒé•·ã„ã“ã¨ã‚‚ã‚ã£ã¦ã‚ªãƒ¼ãƒ—ンソースã®ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã§ã¯Berkeley DBを採用ã—ã¦ã„ã‚‹ã‚‚ã®ãŒå°‘ãªããªã„。Berkeley DBã¯Sleepycatã«ã‚ˆã£ã¦é–‹ç™ºã•ã‚Œã¦ã„ãŸãŒã€Oracleã«è²·åŽã•ã‚Œã¦ã‹ã‚‰ã¯Oracleã®ãƒ—ãƒãƒ€ã‚¯ãƒˆã¨ã—ã¦é–‹ç™ºã•ã‚Œã¦ã„る。 Oracleã¯å…ˆæœˆã€Berkeley DBã®ãƒ¡ã‚¸ãƒ£ãƒ¼ãƒªãƒªãƒ¼ã‚¹ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã¨ãªã‚‹ã€ŒBerkeley DB 12gR1 (12.1.6.0)ã€ã‚’公開ã—ãŸãŒã€ã“ã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã«é–¢ã—ã¦ã„ãã¤ã‹ã®OSSプãƒã‚¸ã‚§ã‚¯ãƒˆãŒè°è«–ã‚’ã¯ã˜ã‚ã¦ã„る。Oracleã¯åŒãƒãƒ¼ã‚¸ãƒ§ãƒ³ã‹ã‚‰ãƒ©ã‚¤ã‚»ãƒ³ã‚¹ã‚’AGPLv3 (Affero GNU
Big Sky :: 組ã¿è¾¼ã¿ç‰ˆ NoSQLã€ã€ŒUnQLiteã€
ã“ã‚Œã¾ã§çµ„ã¿è¾¼ã¿DBã 㨠SQLite ãŒä¸€èˆ¬çš„ã§ã—ãŸãŒã€ãƒãƒ¼ã‚«ãƒ«ã§ã‚ã£ã¦ã‚‚ NoSQL ã—ãŸã„ã€çµ„ã¿è¾¼ã¿ã§ä½¿ã„ãŸã„ã€ã¨ã„ã†ãƒ‹ãƒ¼ã‚ºã¯ã‚ã‚‹ã‹ã¨æ€ã„ã¾ã™ã€‚ ãã‚“ãªå ´åˆã€UnQLite を使ã†ã¨ä¾¿åˆ©ãã†ã§ã™ã€‚ UnQLite - An Embeddable NoSQL Database Engine UnQLite is a self-contained C library without dependency. It requires very minimal support from exte... http://unqlite.org/ unqlite/unqlite - GitHub README.md UnQLite UnQLite is a in-process software library which implements a self-contained, server...
Active Record Query Interface 3.0 - (m.onkey.org)
I’ve been working on revamping the Active Record query interface for the last few weeks ( while taking some time off in India from consulting work, before joining 37signals ), building on top of Emilio’s GSOC project of integrating ARel and ActiveRecord. So here’s an overview of how things are going to work in Rails 3. What’s going to be deprecated in Rails 3.1 ? These deprecations will be effecti
szeiger.de » ScalaQuery
It’s been almost 3 months since my last summary of new features in ScalaQuery. I implemented some important changes in the following weeks but I only had little time to work on ScalaQuery after my extended one-month vacation ended in October. Build system Builds against newer versions of Scala 2.8 have been going well thanks to sbt 0.6 which separates the Scala version used by the build system fro
Scala用DBアクセスライブラリ Querulous ã®ä½¿ã„æ–¹ - hito_asaã®æ—¥è¨˜
（ã“ã®è¨˜äº‹ã¯ Scala Advent Calendar jp 2010 ã®1日目ã§ã™ã€‚） Scala用ã®Scalaã§æ›¸ã‹ã‚ŒãŸDBアクセスã®ãŸã‚ã®ãƒ©ã‚¤ãƒ–ラリã€querulousã«ã¤ã„ã¦æ›¸ãã¾ã™ã€‚ ã¨ã‚Šã‚ãˆãšèªã¿æ–¹ãŒã‚ˆãã‚ã‹ã‚Šã¾ã›ã‚“ãŒã€ã‚¯ã‚¥ã‚¨ãƒ«ã‚¡ãƒ©ã‚¹ï¼Ÿï¼Ÿã¿ãŸã„ãªæ„Ÿã˜ã§ã™ã€‚ã™ã”ã言ã„ã«ãã„ã®ã§ã€Œã‚¯ã‚¨ãƒ©ãƒ©ã‚¹ã€ã£ã¦ã“ã¨ã«ã—ã¾ã—ょã†ã€‚英語ã®å½¢å®¹è©žã§ã€æ„味ã¯ã€Œä¸å¹³ãŸã‚‰ãŸã‚‰ã®ã€ä¸å¹³ã‚’ブツブツ言ã†ã€ã‚‰ã—ã„ã§ã™ã€‚ヒドイåå‰ã§ã™ã。 querulousã¯ä»¥å‰ç´¹ä»‹ã—ãŸKestrelã¨åŒæ§˜ã€Twitterã§ä½œã‚‰ã‚Œã¦ä½¿ã‚ã‚Œã¦ã„ã‚‹ã‚‚ã®ã§ã™ã€‚ã‚‚ã†è¾žã‚ã¡ã‚ƒã£ãŸã‚‰ã—ã„ã§ã™ãŒã€å…ƒ Twitterã®Nick Kallenæ°ãŒä½œã£ãŸãã†ã§ã™ã€‚今ã¯Github上ã§twitterã¨ã„ã†IDã®ä¸ã§ç®¡ç†ã•ã‚Œã¦ã„ã¾ã™ã€‚ （12/8 追記 Nick Kallenæ°ã¯ã¾ã 辞ã‚ã¦ã¾ã›ã‚“ã§ã—ãŸã€‚ã™ã¿ã¾ã›ã‚“ã€Alex Payneæ°ã¨å‹˜é•ã„。kzys
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