Function count

test/integration/sequelize.test.js:737–743

            const TransactionTest = this.sequelizeWithTransaction.define('TransactionTest', { name: DataTypes.STRING }, { timestamps: false });

            const count = async transaction => {
              const sql = this.sequelizeWithTransaction.getQueryInterface().queryGenerator.selectQuery('TransactionTests', { attributes: [[Sequelize.literal('count(*)'), 'cnt']] });

              const result = await this.sequelizeWithTransaction.query(sql, { plain: true, transaction });

              return result.cnt;
            };

            await TransactionTest.sync({ force: true });
            const t1 = await this.sequelizeWithTransaction.transaction();