Function createConditions

Create SQLBuilderCondition instance.

const conditions = createConditions()
const [sql, bindings] = createConditions()
.and('age', 'between', [20, 29])
.or('age', 'between', [30, 39])
// sql: (`age` BETWEEN ? AND ?) OR (`age` BETWEEN ? AND ?)
// bindings: [20, 29, 30, 39]