n8n-nodes-base
Version:
Base nodes of n8n
56 lines • 2.23 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.configureOracleDB = configureOracleDB;
const oracledb_1 = __importDefault(require("oracledb"));
const connection_pool_manager_1 = require("../../../../utils/connection-pool-manager");
// used for thick mode to call initOracleClient API only once.
let initializeDriverMode = false;
const getOracleDBConfig = (credentials) => {
const { useThickMode, useSSL, ...dbConfig } = {
...credentials,
privilege: credentials.privilege || undefined,
};
return dbConfig;
};
async function configureOracleDB(credentials, options = {}) {
const poolManager = connection_pool_manager_1.ConnectionPoolManager.getInstance(this.logger);
const fallBackHandler = async (abortController) => {
const dbConfig = getOracleDBConfig(credentials);
if (credentials.useThickMode) {
if (!initializeDriverMode) {
oracledb_1.default.initOracleClient();
initializeDriverMode = true;
}
}
else if (initializeDriverMode) {
// Thick mode is initialized, cannot switch back to thin mode
throw new Error('Thin mode can not be used after thick mode initialization');
}
const pool = await oracledb_1.default.createPool(dbConfig);
abortController.signal.addEventListener('abort', async () => {
try {
await pool.close();
this.logger.debug('pool closed on abort');
}
catch (error) {
this.logger.error('Error closing pool on abort', { error });
}
});
return pool;
};
return await poolManager.getConnection({
credentials,
nodeType: 'oracledb',
nodeVersion: String(options.nodeVersion ?? '1'),
fallBackHandler,
wasUsed: (pool) => {
if (pool) {
this.logger.debug(`DB pool reused, open connections: ${pool.connectionsOpen}`);
}
},
});
}
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