mirror of
https://github.com/dutchcoders/transfer.sh.git
synced 2024-11-23 20:50:18 +01:00
60 lines
1.7 KiB
Go
60 lines
1.7 KiB
Go
// Copyright 2018 Google LLC
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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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// +build bigtest
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// An integration test for PDML using a relatively large database.
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package spanner
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import (
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"context"
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"fmt"
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"testing"
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)
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func TestIntegration_BigPDML(t *testing.T) {
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const nRows int = 1e4
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ctx := context.Background()
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client, _, cleanup := prepareIntegrationTest(ctx, t, singerDBStatements)
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defer cleanup()
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columns := []string{"SingerId", "FirstName", "LastName"}
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// Populate the Singers table with random data.
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const rowsPerApply = 1000
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for i := 0; i < nRows; i += rowsPerApply {
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var muts []*Mutation
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for j := 0; j < rowsPerApply; j++ {
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id := i + j
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row := []interface{}{id, fmt.Sprintf("FirstName%d", id), fmt.Sprintf("LastName%d", id)}
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muts = append(muts, Insert("Singers", columns, row))
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}
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if _, err := client.Apply(ctx, muts); err != nil {
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t.Fatal(err)
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}
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}
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// Run a PDML statement.
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count, err := client.PartitionedUpdate(ctx, Statement{
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SQL: `UPDATE Singers SET Singers.FirstName = "changed" WHERE Singers.SingerId != -1`,
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})
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if err != nil {
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t.Fatal(err)
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}
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if want := int64(nRows); count != want {
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t.Errorf("got %d, want %d", count, want)
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}
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}
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