SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 2) ExpressionList (children 1) Function equals (children 1) ExpressionList (children 2) Function regexpQuoteMeta (children 1) ExpressionList (children 1) Function toString (children 1) ExpressionList (children 1) Identifier number Function toString (children 1) ExpressionList (children 1) Identifier number TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) Function numbers (children 1) ExpressionList (children 1) Literal UInt64_100000