1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
// Copyright 2018 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// +build bigtest
// An integration test for PDML using a relatively large database.
package spanner
import (
"context"
"fmt"
"testing"
)
func TestIntegration_BigPDML(t *testing.T) {
const nRows int = 1e4
ctx := context.Background()
client, _, cleanup := prepareIntegrationTest(ctx, t, singerDBStatements)
defer cleanup()
columns := []string{"SingerId", "FirstName", "LastName"}
// Populate the Singers table with random data.
const rowsPerApply = 1000
for i := 0; i < nRows; i += rowsPerApply {
var muts []*Mutation
for j := 0; j < rowsPerApply; j++ {
id := i + j
row := []interface{}{id, fmt.Sprintf("FirstName%d", id), fmt.Sprintf("LastName%d", id)}
muts = append(muts, Insert("Singers", columns, row))
}
if _, err := client.Apply(ctx, muts); err != nil {
t.Fatal(err)
}
}
// Run a PDML statement.
count, err := client.PartitionedUpdate(ctx, Statement{
SQL: `UPDATE Singers SET Singers.FirstName = "changed" WHERE Singers.SingerId != -1`,
})
if err != nil {
t.Fatal(err)
}
if want := int64(nRows); count != want {
t.Errorf("got %d, want %d", count, want)
}
}
|
