# File lib/dm-core/adapters/mysql_adapter.rb, line 53 def field_exists?(storage_name, field_name) statement = "SELECT COUNT(*)\nFROM `information_schema`.`columns`\nWHERE `table_schema` = ?\nAND `table_name` = ?\nAND `column_name` = ?\n".compress_lines query(statement, db_name, storage_name, field_name).first > 0 end