Method handleError

packages/pg/lib/query.js:122–134

(err, connection)

  }

  handleError(err, connection) {
    // need to sync after error during a prepared statement
    if (this._canceledDueToError) {
      err = this._canceledDueToError
      this._canceledDueToError = false
    }
    // if callback supplied do not emit error event as uncaught error
    // events will bubble up to node process
    if (this.callback) {
      return this.callback(err)
    }
    this.emit('error', err)
  }

  handleReadyForQuery(con) {
    if (this._canceledDueToError) {