SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 1) ExpressionList (children 1) Function geohashesInBox (children 1) ExpressionList (children 5) Literal Float64_1 Function materialize (children 1) ExpressionList (children 1) Literal Float64_2 Literal Float64_3 Literal Float64_4 Literal UInt64_3