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feat: implement connection pooling in DatabasePlugin for improved database connection management

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Boris D
2025-10-13 08:47:54 +03:00
parent 126ba01549
commit c4755f5346
1 changed files with 11 additions and 0 deletions
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11
src/vm/plugins/database.plugin.ts
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@ -2,6 +2,8 @@ import { Plugin } from "../plugin.class";
import * as mysql from "mysql2/promise";
export class DatabasePlugin extends Plugin {
private static connectionPool: Map<string, any> = new Map();
constructor(name: string, private dbConnection: any) {
if (!dbConnection || typeof dbConnection.execute !== "function") {
throw new Error(
@ -24,6 +26,14 @@ export class DatabasePlugin extends Plugin {
connectTimeout: number;
}
): Promise<DatabasePlugin> {
const connectionKey = `${config.host}:${config.port}:${config.user}:${config.database}`;
if (DatabasePlugin.connectionPool.has(connectionKey)) {
const existingConnection =
DatabasePlugin.connectionPool.get(connectionKey);
return new DatabasePlugin(name, existingConnection);
}
const dbConnection = await mysql.createConnection({
host: config.host,
user: config.user,
@ -37,6 +47,7 @@ export class DatabasePlugin extends Plugin {
// await dbConnection.query("SET SESSION MAX_EXECUTION_TIME=2000;");
DatabasePlugin.connectionPool.set(connectionKey, dbConnection);
return new DatabasePlugin(name, dbConnection);
}