ts-sql-query/queryRunners/OracleDBQueryRunner.js

Type-safe SQL query builder like QueryDSL or JOOQ in Java or Linq in .Net for TypeScript with MariaDB, MySql, Oracle, PostgreSql, Sqlite and SqlServer support.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.OracleDBQueryRunner = void 0;
const oracledb_1 = require("oracledb");
const PromiseBasedQueryRunner_1 = require("./PromiseBasedQueryRunner");
const OracleUtils_1 = require("./OracleUtils");
class OracleDBQueryRunner extends PromiseBasedQueryRunner_1.PromiseBasedQueryRunner {
    constructor(connection) {
        super();
        this.transactionLevel = 0;
        this.connection = connection;
        this.database = 'oracle';
    }
    useDatabase(database) {
        if (database !== 'oracle') {
            throw new Error('Unsupported database: ' + database + '. OracleDBQueryRunner only supports oracle databases');
        }
    }
    getNativeRunner() {
        return this.connection;
    }
    getCurrentNativeTransaction() {
        return undefined;
    }
    execute(fn) {
        return fn(this.connection);
    }
    executeQueryReturning(query, params) {
        return this.connection.execute(query, params, { outFormat: oracledb_1.OUT_FORMAT_OBJECT }).then((result) => result.rows || []);
    }
    executeMutation(query, params) {
        return this.connection.execute(query, params).then((result) => result.rowsAffected || 0);
    }
    executeMutationReturning(query, params = []) {
        return this.connection.execute(query, params).then((result) => {
            return (0, OracleUtils_1.processOutBinds)(params, result.outBinds);
        });
    }
    executeBeginTransaction() {
        this.transactionLevel++;
        // Oracle automatically begins the transaction
        return Promise.resolve();
    }
    executeCommit() {
        return this.connection.commit().then(() => {
            // Transaction count only modified when commit successful, in case of error there is still an open transaction 
            this.transactionLevel--;
            if (this.transactionLevel < 0) {
                this.transactionLevel = 0;
            }
        });
    }
    executeRollback() {
        this.transactionLevel--;
        return this.connection.rollback().finally(() => {
            this.transactionLevel--;
            if (this.transactionLevel < 0) {
                this.transactionLevel = 0;
            }
        });
    }
    isTransactionActive() {
        return this.transactionLevel > 0;
    }
    addParam(params, value) {
        const index = params.length;
        params.push(value);
        return ':' + index;
    }
    addOutParam(params, name) {
        const index = params.length;
        if (name) {
            params.push({ dir: oracledb_1.BIND_OUT, as: name });
        }
        else {
            params.push({ dir: oracledb_1.BIND_OUT });
        }
        return ':' + index;
    }
}
exports.OracleDBQueryRunner = OracleDBQueryRunner;