35 lines
1.1 KiB
Go
35 lines
1.1 KiB
Go
// Copyright 2021 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 parser_test
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import (
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"runtime"
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"strings"
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"testing"
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"github.com/pingcap/tidb/parser"
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"github.com/stretchr/testify/require"
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)
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func TestInsertStatementMemoryAllocation(t *testing.T) {
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sql := "insert t values (1)" + strings.Repeat(",(1)", 1000)
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var oldStats, newStats runtime.MemStats
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runtime.ReadMemStats(&oldStats)
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_, err := parser.New().ParseOneStmt(sql, "", "")
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require.NoError(t, err)
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runtime.ReadMemStats(&newStats)
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require.Less(t, int(newStats.TotalAlloc-oldStats.TotalAlloc), 1024*500)
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}
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