SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 3) ExpressionList (children 1) Function max (children 1) ExpressionList (children 1) Identifier id TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) TableIdentifier bloom_filter Function hasTokenOrNull (children 1) ExpressionList (children 2) Identifier s Literal \'abc\'