SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 2) ExpressionList (children 5) Function count (children 1) ExpressionList Function min (children 1) ExpressionList (children 1) Identifier x Function max (children 1) ExpressionList (children 1) Identifier x Function sum (children 1) ExpressionList (children 1) Identifier x Function uniqExact (children 1) ExpressionList (children 1) Identifier x TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 3) TableIdentifier sample_00276 SampleRatio 1 / 10 SampleRatio 1 / 10