SelectWithUnionQuery (children 2) ExpressionList (children 1) SelectQuery (children 2) ExpressionList (children 3) Function groupArrayMovingSum (children 2) ExpressionList (children 1) Literal Int64_-9223372036854775808 ExpressionList (children 1) Literal UInt64_257 Function groupArrayMovingSum (children 2) ExpressionList (children 3) Literal Float64_10.000100135803223 Literal Array_[NULL, NULL] Literal NULL ExpressionList (children 1) Literal UInt64_1 Function groupArrayMovingSum (children 2) ExpressionList (children 1) Literal NULL ExpressionList (children 1) Literal NULL TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) Function numbers (children 1) ExpressionList (children 1) Literal UInt64_1023 Identifier Null