70 lines
1.6 KiB
Go
70 lines
1.6 KiB
Go
// Copyright 2015 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package plans_test
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import (
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"reflect"
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"testing"
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. "github.com/pingcap/check"
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"github.com/pingcap/tidb/plan/plans"
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"github.com/pingcap/tidb/rset/rsets"
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"github.com/pingcap/tidb/util/mock"
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)
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func TestT(t *testing.T) {
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TestingT(t)
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}
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var distinctTestData = []*testRowData{
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{1, []interface{}{10, "hello"}},
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{2, []interface{}{10, "hello"}},
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{3, []interface{}{10, "hello"}},
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{4, []interface{}{40, "hello"}},
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{6, []interface{}{60, "hello"}},
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}
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type testDistinctSuit struct{}
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var _ = Suite(&testDistinctSuit{})
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func (t *testDistinctSuit) TestDistinct(c *C) {
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tblPlan := &testTablePlan{distinctTestData, []string{"id", "name"}, 0}
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p := plans.DistinctDefaultPlan{
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SelectList: &plans.SelectList{
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HiddenFieldOffset: len(tblPlan.GetFields()),
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},
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Src: tblPlan,
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}
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rset := rsets.Recordset{
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Plan: &p,
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Ctx: mock.NewContext(),
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}
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r := map[int][]interface{}{}
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err := rset.Do(func(data []interface{}) (bool, error) {
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r[data[0].(int)] = data
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return true, nil
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})
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c.Assert(err, IsNil)
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expected := map[int][]interface{}{
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10: {10, "hello"},
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40: {40, "hello"},
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60: {60, "hello"},
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}
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c.Assert(reflect.DeepEqual(r, expected), Equals, true)
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}
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