diff options
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/mysql')
-rw-r--r-- | activerecord/lib/active_record/connection_adapters/mysql/schema_statements.rb | 28 |
1 files changed, 27 insertions, 1 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 4894fd1c08..47b5c4b9ec 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql/schema_statements.rb @@ -77,9 +77,13 @@ module ActiveRecord super end + def create_table(table_name, options: default_row_format, **) + super + end + def internal_string_options_for_primary_key super.tap do |options| - if CHARSETS_OF_4BYTES_MAXLEN.include?(charset) && (mariadb? || version < "8.0.0") + if !row_format_dynamic_by_default? && CHARSETS_OF_4BYTES_MAXLEN.include?(charset) options[:collation] = collation.sub(/\A[^_]+/, "utf8") end end @@ -96,6 +100,28 @@ module ActiveRecord private CHARSETS_OF_4BYTES_MAXLEN = ["utf8mb4", "utf16", "utf16le", "utf32"] + def row_format_dynamic_by_default? + if mariadb? + version >= "10.2.2" + else + version >= "5.7.9" + end + end + + def default_row_format + return if row_format_dynamic_by_default? + + unless defined?(@default_row_format) + if query_value("SELECT @@innodb_file_per_table = 1 AND @@innodb_file_format = 'Barracuda'") == 1 + @default_row_format = "ROW_FORMAT=DYNAMIC" + else + @default_row_format = nil + end + end + + @default_row_format + end + def schema_creation MySQL::SchemaCreation.new(self) end |