54 lines
2.2 KiB
Go
54 lines
2.2 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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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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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 core
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import (
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"testing"
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"time"
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"github.com/pingcap/tidb/parser/mysql"
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"github.com/pingcap/tidb/sessionctx/variable"
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"github.com/stretchr/testify/require"
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)
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func TestCacheKey(t *testing.T) {
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ctx := MockContext()
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ctx.GetSessionVars().SnapshotTS = 0
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ctx.GetSessionVars().SQLMode = mysql.ModeNone
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ctx.GetSessionVars().TimeZone = time.UTC
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ctx.GetSessionVars().ConnectionID = 0
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ctx.GetSessionVars().InRestrictedSQL = false
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variable.RestrictedReadOnly.Store(false)
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variable.VarTiDBSuperReadOnly.Store(false)
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key, err := NewPlanCacheKey(ctx.GetSessionVars(), "", "test", 1, 1, "")
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if err.Error() != "no statement text" {
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t.Fail() // no statement text
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}
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key, err = NewPlanCacheKey(ctx.GetSessionVars(), "select 1", "", 1, 1, "")
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if err != nil {
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t.Fail() // schema can be nil
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}
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key, err = NewPlanCacheKey(ctx.GetSessionVars(), "select 1", "test", 1, 1,
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"select /*+ ignore_plan_cache() */ * from t")
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if err != nil {
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t.Fail()
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}
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key, err = NewPlanCacheKey(ctx.GetSessionVars(), "select 1", "test", 1, 1, "")
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if err != nil {
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t.Fail()
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}
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require.Equal(t, []byte{0x74, 0x65, 0x73, 0x74, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x73, 0x65, 0x6c, 0x65, 0x63, 0x74, 0x20, 0x31, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x74, 0x69, 0x64, 0x62, 0x74, 0x69, 0x6b, 0x76, 0x74, 0x69, 0x66, 0x6c, 0x61, 0x73, 0x68, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x66, 0x61, 0x6c, 0x73, 0x65, 0x66, 0x61, 0x6c, 0x73, 0x65, 0x66, 0x61, 0x6c, 0x73, 0x65}, key.Hash())
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}
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