AggResults returns aggregation results (if present)

CachedTotal Request cached total items calculation

ExecSQL make query to database. Query is a SQL statement. Return Iterator.

Starts iteration process: prepares object for further work. @param reverse - direction of iteration. @param maxIterations - expected max iterations in

WhereFlatArrayLen - Add where condition to DB query for flat_array_len() function

Add shard id @param id - shard id @param distributed - 'true' means, that we are executing distributed sharding query part

end

set flag #no to true

AND - the next condition will be added with AND. This is the default operation for the WHERE statement. It does not have to be called explicitly in us