This repository was archived by the owner on Mar 4, 2026. It is now read-only.
Repository navigation
Expand file tree
/
Copy pathpg-jsonb-add-column.js
More file actions
71 lines (62 loc) · 2.21 KB
/
Copy pathpg-jsonb-add-column.js
File metadata and controls
71 lines (62 loc) · 2.21 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 2024 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: Showcase how add a jsonb column in a PostgreSQL table.
// usage: node pg-jsonb-add-column.js <INSTANCE_ID> <DATABASE_ID> <PROJECT_ID>
'use strict';
function main(
instanceId = 'my-instance',
databaseId = 'my-database',
projectId = 'my-project-id',
) {
// [START spanner_postgresql_jsonb_add_column]
/**
* TODO(developer): Uncomment these variables before running the sample.
*/
// const instanceId = 'my-instance';
// const databaseId = 'my-database';
// const projectId = 'my-project-id';
// Imports the Google Cloud Spanner client library
const {Spanner} = require('@google-cloud/spanner');
// Instantiates a client
const spanner = new Spanner({
projectId: projectId,
});
async function pgJsonbAddColumn() {
// Gets a reference to a Cloud Spanner Database Admin Client object
const databaseAdminClient = spanner.getDatabaseAdminClient();
const request = ['ALTER TABLE Venues ADD COLUMN VenueDetails JSONB'];
// Updates schema by adding a new table.
const [operation] = await databaseAdminClient.updateDatabaseDdl({
database: databaseAdminClient.databasePath(
projectId,
instanceId,
databaseId,
),
statements: request,
});
console.log(`Waiting for operation on ${databaseId} to complete...`);
await operation.promise();
console.log(
`Added jsonb column to table venues to database ${databaseId}.`,
);
}
pgJsonbAddColumn();
// [END spanner_postgresql_jsonb_add_column]
}
process.on('unhandledRejection', err => {
console.error(err.message);
process.exitCode = 1;
});
main(...process.argv.slice(2));