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| author | Ryuta Kamizono <kamipo@gmail.com> | 2019-04-08 17:43:56 +0900 |
|---|---|---|
| committer | Ryuta Kamizono <kamipo@gmail.com> | 2019-04-08 17:46:46 +0900 |
| commit | bf1494a1018a0bdc50dac4e87fdbf4b6b03083fa (patch) | |
| tree | 7a84a832f964f4ace8944d6f094b5e52864d4df0 /activerecord/lib/active_record/connection_adapters/mysql | |
| parent | 57c7cbb1623c0e8befc58988a34bbb9896fd226a (diff) | |
| download | rails-bf1494a1018a0bdc50dac4e87fdbf4b6b03083fa.tar.gz rails-bf1494a1018a0bdc50dac4e87fdbf4b6b03083fa.tar.bz2 rails-bf1494a1018a0bdc50dac4e87fdbf4b6b03083fa.zip | |
Fix GROUP BY with calculate longer name field to respect `table_alias_length`
Follow up of c9e4c848eeeb8999b778fa1ae52185ca5537fffe.
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/mysql')
| -rw-r--r-- | activerecord/lib/active_record/connection_adapters/mysql/schema_statements.rb | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/mysql/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/mysql/schema_statements.rb index a1f90a0642..ad3a8d1fd9 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql/schema_statements.rb @@ -121,6 +121,10 @@ module ActiveRecord sql end + def table_alias_length + 256 # https://dev.mysql.com/doc/refman/8.0/en/identifiers.html + end + private CHARSETS_OF_4BYTES_MAXLEN = ["utf8mb4", "utf16", "utf16le", "utf32"] |