|Modifier and Type||Method and Description|
Returns the filters that are pushed to the data source via
Pushes down filters, and returns filters that need to be evaluated after scanning.
Rows should be returned from the data source if and only if all of the filters match. That is, filters must be interpreted as ANDed together.
There are 3 kinds of filters:
Both case 1 and 2 should be considered as pushed filters and should be returned by this method.
It's possible that there is no filters in the query and
is never called, empty array should be returned for this case.