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rset.go
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rset.go
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// Copyright 2015 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
package rset
import "github.com/pingcap/tidb/field"
// Recordset is an abstract result set interface to help get data from Plan.
type Recordset interface {
// Data filter for input data.
Do(f func(data []interface{}) (more bool, err error)) error
// Get result fields.
Fields() (fields []*field.ResultField, err error)
// Get first row data.
FirstRow() (row []interface{}, err error)
// Get rows data by using limit/offset.
Rows(limit, offset int) (rows [][]interface{}, err error)
}