75 lines
2.1 KiB
Go
75 lines
2.1 KiB
Go
// Copyright 2018 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 statistics_test
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import (
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. "github.com/pingcap/check"
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"github.com/pingcap/tidb/domain"
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"github.com/pingcap/tidb/kv"
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"github.com/pingcap/tidb/model"
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"github.com/pingcap/tidb/util/testkit"
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"github.com/pingcap/tidb/util/testleak"
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)
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var _ = Suite(&testDumpStatsSuite{})
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type testDumpStatsSuite struct {
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store kv.Storage
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do *domain.Domain
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}
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func (s *testDumpStatsSuite) SetUpSuite(c *C) {
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testleak.BeforeTest()
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var err error
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s.store, s.do, err = newStoreWithBootstrap(0)
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c.Assert(err, IsNil)
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}
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func (s *testDumpStatsSuite) TearDownSuite(c *C) {
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s.do.Close()
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s.store.Close()
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testleak.AfterTest(c)()
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}
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func (s *testDumpStatsSuite) TestConversion(c *C) {
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defer cleanEnv(c, s.store, s.do)
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tk := testkit.NewTestKit(c, s.store)
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tk.MustExec("use test")
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tk.MustExec("create table t (a int, b int)")
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tk.MustExec("create index c on t(a,b)")
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tk.MustExec("insert into t(a,b) values (3, 1),(2, 1),(1, 10)")
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tk.MustExec("analyze table t")
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tk.MustExec("insert into t(a,b) values (1, 1),(3, 1),(5, 10)")
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is := s.do.InfoSchema()
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h := s.do.StatsHandle()
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h.DumpStatsDeltaToKV()
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h.Update(is)
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tableInfo, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t"))
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c.Assert(err, IsNil)
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jsonTbl, err := h.DumpStatsToJSON("test", tableInfo.Meta())
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c.Assert(err, IsNil)
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loadTbl, err := h.LoadStatsFromJSONToTable(tableInfo.Meta(), jsonTbl)
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c.Assert(err, IsNil)
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tbl := h.GetTableStats(tableInfo.Meta())
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assertTableEqual(c, loadTbl, tbl)
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err = h.LoadStatsFromJSON(is, jsonTbl)
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c.Assert(err, IsNil)
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loadTblInStorage := h.GetTableStats(tableInfo.Meta())
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assertTableEqual(c, loadTblInStorage, tbl)
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}
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