SelectWithUnionQuery (children 3) ExpressionList (children 1) SelectQuery (children 3) ExpressionList (children 2) Identifier number Function count (children 1) ExpressionList TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) Function numbers (children 1) ExpressionList (children 1) Literal UInt64_100000 ExpressionList (children 1) Identifier number Identifier Null Set