knex/lib/dialects/oracledb/transaction.js

A batteries-included SQL query & schema builder for Postgres, MySQL and SQLite3 and the Browser

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _lodash = require("lodash");

const Promise = require('bluebird');

const Transaction = require('../../transaction');

const debugTx = require('debug')('knex:tx');

class Oracle_Transaction extends Transaction {
  // disable autocommit to allow correct behavior (default is true)
  begin() {
    return Promise.resolve();
  }

  commit(conn, value) {
    this._completed = true;
    return conn.commitAsync().return(value).then(this._resolver, this._rejecter);
  }

  release(conn, value) {
    return this._resolver(value);
  }

  rollback(conn, err) {
    const self = this;
    this._completed = true;
    debugTx('%s: rolling back', this.txid);
    return conn.rollbackAsync().timeout(5000).catch(Promise.TimeoutError, function (e) {
      self._rejecter(e);
    }).then(function () {
      if ((0, _lodash.isUndefined)(err)) {
        err = new Error(`Transaction rejected with non-error: ${err}`);
      }

      self._rejecter(err);
    });
  }

  savepoint(conn) {
    return this.query(conn, `SAVEPOINT ${this.txid}`);
  }

  acquireConnection(config) {
    const t = this;
    return Promise.try(function () {
      return t.client.acquireConnection().then(function (cnx) {
        cnx.__knexTxId = t.txid;
        cnx.isTransaction = true;
        return cnx;
      });
    }).disposer(function (connection) {
      debugTx('%s: releasing connection', t.txid);
      connection.isTransaction = false;
      connection.commitAsync().then(function (err) {
        if (err) {
          this._rejecter(err);
        }

        if (!config.connection) {
          t.client.releaseConnection(connection);
        } else {
          debugTx('%s: not releasing external connection', t.txid);
        }
      });
    });
  }

}

exports.default = Oracle_Transaction;
module.exports = exports.default;