51 lines
1.4 KiB
Go
51 lines
1.4 KiB
Go
// Copyright 2019 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/util/chunk"
|
|
)
|
|
|
|
func (s *pkgTestSuite) TestRowHashMap(c *C) {
|
|
m := newRowHashMap(0)
|
|
m.Put(1, chunk.RowPtr{ChkIdx: 1, RowIdx: 1})
|
|
c.Check(m.Get(1), DeepEquals, []chunk.RowPtr{{ChkIdx: 1, RowIdx: 1}})
|
|
|
|
rawData := map[uint64][]chunk.RowPtr{}
|
|
for i := uint64(0); i < 10; i++ {
|
|
for j := uint64(0); j < initialEntrySliceLen*i; j++ {
|
|
rawData[i] = append(rawData[i], chunk.RowPtr{ChkIdx: uint32(i), RowIdx: uint32(j)})
|
|
}
|
|
}
|
|
m = newRowHashMap(0)
|
|
// put all rawData into m vertically
|
|
for j := uint64(0); j < initialEntrySliceLen*9; j++ {
|
|
for i := 9; i >= 0; i-- {
|
|
i := uint64(i)
|
|
if !(j < initialEntrySliceLen*i) {
|
|
break
|
|
}
|
|
m.Put(i, rawData[i][j])
|
|
}
|
|
}
|
|
// check
|
|
totalCount := 0
|
|
for i := uint64(0); i < 10; i++ {
|
|
totalCount += len(rawData[i])
|
|
c.Check(m.Get(i), DeepEquals, rawData[i])
|
|
}
|
|
c.Check(m.Len(), Equals, totalCount)
|
|
}
|