1 files changed, 0 insertions, 30 deletions
diff --git a/config/initializers/mysql_set_length_for_binary_indexes.rb b/config/initializers/mysql_set_length_for_binary_indexes.rb
deleted file mode 100644
index 552f3a20a95..00000000000
--- a/config/initializers/mysql_set_length_for_binary_indexes.rb
+++ /dev/null
@@ -1,30 +0,0 @@
-# This patches ActiveRecord so indexes for binary columns created using the
-# MySQL adapter apply a length of 20. Otherwise MySQL can't create an index on
-# binary columns.
-
-module MysqlSetLengthForBinaryIndexAndIgnorePostgresOptionsForSchema
-  # This method is used in Rails 5 schema loading as t.index
-  def index(column_names, options = {})
-    # Ignore indexes that use opclasses,
-    # also see config/initializers/mysql_ignore_postgresql_options.rb
-    if options[:opclasses]
-      warn "WARNING: index on columns #{column_names} uses unsupported option, skipping."
-      return
-    end
-
-    options[:length] ||= {}
-    Array(column_names).each do |column_name|
-      column = columns.find { |c| c.name == column_name }
-
-      if column&.type == :binary
-        options[:length][column_name] = 20
-      end
-    end
-
-    super(column_names, options)
-  end
-end
-
-if defined?(ActiveRecord::ConnectionAdapters::MySQL::TableDefinition)
-  ActiveRecord::ConnectionAdapters::MySQL::TableDefinition.send(:prepend, MysqlSetLengthForBinaryIndexAndIgnorePostgresOptionsForSchema)
-end