63c4562c27
* *: remove non-prepared plan cache non-prepared plan cache is not usable if we can only do full string match. And further development doesn't worth the effort.
44 lines
1.4 KiB
Go
44 lines
1.4 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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// // 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 plan
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import (
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"time"
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. "github.com/pingcap/check"
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"github.com/pingcap/tidb/mysql"
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"github.com/pingcap/tidb/sessionctx"
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"github.com/pingcap/tidb/util/testleak"
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)
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var _ = Suite(&testCacheSuite{})
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type testCacheSuite struct {
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ctx sessionctx.Context
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}
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func (s *testCacheSuite) SetUpSuite(c *C) {
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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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s.ctx = ctx
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}
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func (s *testCacheSuite) TestCacheKey(c *C) {
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defer testleak.AfterTest(c)()
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key := NewPSTMTPlanCacheKey(s.ctx.GetSessionVars(), 1, 1)
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c.Assert(key.Hash(), DeepEquals, []byte{0x74, 0x65, 0x73, 0x74, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
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}
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