This repository was archived by the owner on Mar 4, 2026. It is now read-only.
Repository navigation
Expand file tree
/
Copy pathrpc-priority-partitioned-dml.js
More file actions
71 lines (64 loc) · 2.31 KB
/
Copy pathrpc-priority-partitioned-dml.js
File metadata and controls
71 lines (64 loc) · 2.31 KB
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
61
62
63
64
65
66
67
68
69
70
71
// Copyright 2022 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.
// sample-metadata:
// title: Run partitioned update with RPC priority
// usage: node rpc-priority-partitioned-dml.js <INSTANCE_ID> <DATABASE_ID> <PROJECT_ID>
'use strict';
async function main(instanceId, databaseId, projectId) {
// [START spanner_rpc_priority_partitioned_dml]
// Imports the Google Cloud client library.
const {Spanner, protos} = require('@google-cloud/spanner');
const Priority = protos.google.spanner.v1.RequestOptions.Priority;
/**
* TODO(developer): Uncomment the following lines before running the sample.
*/
// const projectId = 'my-project-id';
// const instanceId = 'my-instance';
// const databaseId = 'my-database';
// Creates a client
const spanner = new Spanner({
projectId: projectId,
});
async function updateUsingPartitionedDmlWithRpcPriority(
instanceId,
databaseId,
) {
// Gets a reference to a Cloud Spanner instance and database
const instance = spanner.instance(instanceId);
const database = instance.database(databaseId);
try {
const [rowCount] = await database.runPartitionedUpdate({
sql: 'UPDATE Albums SET MarketingBudget = 100000 WHERE SingerId = 1',
requestOptions: {
priority: Priority.PRIORITY_LOW,
},
});
console.log(
`Successfully updated ${rowCount} records using low RPC priority.`,
);
} catch (err) {
console.error('ERROR:', err);
} finally {
// Close the database when finished.
database.close();
}
}
await updateUsingPartitionedDmlWithRpcPriority(instanceId, databaseId);
// [END spanner_rpc_priority_partitioned_dml]
}
process.on('unhandledRejection', err => {
console.error(err.message);
process.exitCode = 1;
});
main(...process.argv.slice(2));