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-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb8
-rw-r--r--activerecord/test/cases/migration/columns_test.rb2
2 files changed, 7 insertions, 3 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
index 61bac6741f..1ce5f5ae58 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
@@ -63,7 +63,7 @@ module ActiveRecord
def column_spec_for_primary_key(column)
spec = {}
- if column.extra == 'auto_increment'
+ if column.auto_increment?
return unless column.limit == 8
spec[:id] = ':bigint'
else
@@ -103,6 +103,10 @@ module ActiveRecord
collation && !collation.match(/_ci$/)
end
+ def auto_increment?
+ extra == 'auto_increment'
+ end
+
private
# MySQL misreports NOT NULL column default when none is given.
@@ -808,7 +812,7 @@ module ActiveRecord
options = {
default: column.default,
null: column.null,
- auto_increment: column.extra == "auto_increment"
+ auto_increment: column.auto_increment?
}
current_type = select_one("SHOW COLUMNS FROM #{quote_table_name(table_name)} LIKE '#{column_name}'", 'SCHEMA')["Type"]
diff --git a/activerecord/test/cases/migration/columns_test.rb b/activerecord/test/cases/migration/columns_test.rb
index 54d3a729c3..6f65288ac0 100644
--- a/activerecord/test/cases/migration/columns_test.rb
+++ b/activerecord/test/cases/migration/columns_test.rb
@@ -65,7 +65,7 @@ module ActiveRecord
if current_adapter?(:MysqlAdapter, :Mysql2Adapter)
def test_mysql_rename_column_preserves_auto_increment
rename_column "test_models", "id", "id_test"
- assert_equal "auto_increment", connection.columns("test_models").find { |c| c.name == "id_test" }.extra
+ assert connection.columns("test_models").find { |c| c.name == "id_test" }.auto_increment?
TestModel.reset_column_information
ensure
rename_column "test_models", "id_test", "id"