-
Notifications
You must be signed in to change notification settings - Fork 1.7k
/
DruidClient.ts
82 lines (67 loc) · 1.77 KB
/
DruidClient.ts
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
72
73
74
75
76
77
78
79
80
81
82
import Axios from 'axios';
export type DruidClientBaseConfiguration = {
user?: string,
password?: string,
database?: string,
};
export type DruidClientConfiguration = DruidClientBaseConfiguration & {
url: string,
};
export class DruidClient {
public constructor(
protected readonly config: DruidClientConfiguration,
) {
}
protected getClient() {
return Axios.create({
baseURL: this.config.url,
headers: {
'Content-Type': 'application/json',
}
});
// @todo authorization!?
}
public async cancel(queryId: string) {
return this.getClient().request({
url: `/druid/v2/${queryId}`,
method: 'DELETE',
});
}
public async query(query: string, parameters: { type: string, value: unknown }[]) {
let cancelled = false;
const cancelObj: any = {};
const promise: Promise<unknown> & { cancel?: () => void } = (async () => {
cancelObj.cancel = async () => {
cancelled = true;
};
try {
const response = await this.getClient().request({
url: '/druid/v2/sql/',
method: 'POST',
data: {
query,
parameters,
resultFormat: 'object',
},
});
if (cancelled) {
await this.cancel(response.headers['x-druid-sql-query-id']);
throw new Error('Query cancelled');
}
return response.data;
} catch (e) {
if (cancelled) {
throw new Error('Query cancelled');
}
if (e.response && e.response.data) {
if (e.response.data.errorMessage) {
throw new Error(e.response.data.errorMessage);
}
}
throw e;
}
})();
promise.cancel = () => cancelObj.cancel();
return promise;
}
}