1 files changed, 51 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/mysql/quoting.rb b/activerecord/lib/active_record/connection_adapters/mysql/quoting.rb
new file mode 100644
index 0000000000..fbab654112
--- /dev/null
+++ b/activerecord/lib/active_record/connection_adapters/mysql/quoting.rb
@@ -0,0 +1,51 @@
+module ActiveRecord
+  module ConnectionAdapters
+    module MySQL
+      module Quoting # :nodoc:
+        QUOTED_TRUE, QUOTED_FALSE = '1', '0'
+
+        def quote_column_name(name)
+          @quoted_column_names[name] ||= "`#{super.gsub('`', '``')}`"
+        end
+
+        def quote_table_name(name)
+          @quoted_table_names[name] ||= super.gsub('.', '`.`')
+        end
+
+        def quoted_true
+          QUOTED_TRUE
+        end
+
+        def unquoted_true
+          1
+        end
+
+        def quoted_false
+          QUOTED_FALSE
+        end
+
+        def unquoted_false
+          0
+        end
+
+        def quoted_date(value)
+          if supports_datetime_with_precision?
+            super
+          else
+            super.sub(/\.\d{6}\z/, '')
+          end
+        end
+
+        private
+
+        def _quote(value)
+          if value.is_a?(Type::Binary::Data)
+            "x'#{value.hex}'"
+          else
+            super
+          end
+        end
+      end
+    end
+  end
+end