ActiveRecord::ConnectionAdapters::SQLite3::DatabaseStatements

# File activerecord/lib/active_record/connection_adapters/sqlite3/database_statements.rb, line 66
        def exec_delete(sql, name = "SQL", binds = [])
          exec_query(sql, name, binds)
          @connection.changes
        end

# File activerecord/lib/active_record/connection_adapters/sqlite3/database_statements.rb, line 30
        def exec_query(sql, name = nil, binds = [], prepare: false)
          if preventing_writes? && write_query?(sql)
            raise ActiveRecord::ReadOnlyError, "Write query attempted while in readonly mode: #{sql}"
          end

          materialize_transactions

          type_casted_binds = type_casted_binds(binds)

          log(sql, name, binds, type_casted_binds) do
            ActiveSupport::Dependencies.interlock.permit_concurrent_loads do
              # Don't cache statements if they are not prepared
              unless prepare
                stmt = @connection.prepare(sql)
                begin
                  cols = stmt.columns
                  unless without_prepared_statement?(binds)
                    stmt.bind_params(type_casted_binds)
                  end
                  records = stmt.to_a
                ensure
                  stmt.close
                end
              else
                stmt = @statements[sql] ||= @connection.prepare(sql)
                cols = stmt.columns
                stmt.reset!
                stmt.bind_params(type_casted_binds)
                records = stmt.to_a
              end

              ActiveRecord::Result.new(cols, records)
            end
          end
        end