Your browser doesn't support the features required by impress.js, so you are presented with a simplified version of this presentation.

For the best experience please use the latest Chrome or Safari browser. Firefox 10 (to be released soon) will also handle it.

Active Record Issues

2017/01/12
Treasure Data Tech Talk 2017新春

@kamipo
Ryuta Kamizono
Treasure Data, Inc.

About me

Rails Contributors in 2016

Rails Contributors in 2016

Rails Contributors - Edge

Rails Contributors - Edge

きっかけ

きっかけ

きっかけ

きっかけ

滅茶苦茶MySQL対応直した

滅茶苦茶MySQL対応直した

MySQLとUnicodeの問題

ハハパパ🍣🍺問題

🍣🍺問題

ハハパパ問題

ハハパパ問題

ハハパパ問題

mysql-5.7.10/strings/ctype-uca.c#L17-L31


/* 
   UCA (Unicode Collation Algorithm) support. 
   Written by Alexander Barkov 
   
   Currently supports only subset of the full UCA:
   - Only Primary level key comparison
   - Basic Latin letters contraction is implemented
   - Variable weighting is done for Non-ignorable option
   
   Features that are not implemented yet:
   - No Normalization From D is done
     + No decomposition is done
     + No Thai/Lao orderding is done
   - No combining marks processing is done
*/

MySQL 8.0.1 Release Notes


Changes in MySQL 8.0.1
What MySQL 8.0.1 means to you as a Developer

コアには入れづらいやつ

最近仕事で踏んだやつ

最近仕事で踏んだやつ

Future work on Active Record

Future work on Active Record

まとめ

That's all🍻

Use a spacebar or arrow keys to navigate