Some implementations consider square brackets of filter as union operator, allowing a mix of comma-separated slices, filters, indexes etc. as a complex filter. Implementing this will require some work, but in the end we'll probably be able to get more query power with simpler grammar and runtime.
Some implementations consider square brackets of filter as union operator, allowing a mix of comma-separated slices, filters, indexes etc. as a complex filter. Implementing this will require some work, but in the end we'll probably be able to get more query power with simpler grammar and runtime.