Files
tidb/executor/aggregate_test.go
2016-09-18 12:49:57 +08:00

65 lines
1.3 KiB
Go

// 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 executor
import (
. "github.com/pingcap/check"
"github.com/pingcap/tidb/ast"
"github.com/pingcap/tidb/expression"
)
var _ = Suite(&testAggFuncSuite{})
type testAggFuncSuite struct {
}
func (s *testAggFuncSuite) SetUpSuite(c *C) {
}
func (s *testAggFuncSuite) TearDownSuite(c *C) {
}
type MockExec struct {
fields []*ast.ResultField
Rows []*Row
curRowIdx int
}
func (m *MockExec) Schema() expression.Schema {
return nil
}
func (m *MockExec) Fields() []*ast.ResultField {
return m.fields
}
func (m *MockExec) Next() (*Row, error) {
if m.curRowIdx >= len(m.Rows) {
return nil, nil
}
r := m.Rows[m.curRowIdx]
m.curRowIdx++
if len(m.fields) > 0 {
for i, d := range r.Data {
m.fields[i].Expr.SetValue(d.GetValue())
}
}
return r, nil
}
func (m *MockExec) Close() error {
m.curRowIdx = 0
return nil
}