breaks expr on AND boundaries and classify into appropriate keyspaces.

Combine an array of filters into a single expression by ANDing each filter expression, perform transformation on each filter, and if an OR filter is involved, perform DNF transformation on the combined filter.

Return the filterCovers for a query predicate and index keys.

Converts the predicate to use a dynamic index.

Fold redundant AND and OR terms in the predicate.

OFFSET clause is present.

OFFSET is pushed down to index.

WHERE clause is FALSE.

WHERE clause is TRUE.

cardinality is not available.

cost is not available.

selectivity is not available.

document size is not available.

Order Groups */.

Aggregates in the partition group */.