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Diffstat (limited to 'activerecord/CHANGELOG.md')
| -rw-r--r-- | activerecord/CHANGELOG.md | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index 5790528e97..3199951f68 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,3 +1,11 @@ +* Use `version` column as primary key for schema_migrations table because + schema_migrations versions are guaranteed to be unique. + + This makes it possible to use `update_attributes` on models that do + not have a primary key. + + *Richard Schneeman* + * Add short-hand methods for text and blob types in MySQL. In Pg and Sqlite3, `:text` and `:binary` have variable unlimited length. |