SelectWithUnionQuery (children 2) ExpressionList (children 1) SelectQuery (children 3) ExpressionList (children 1) Asterisk TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) TableIdentifier table_00609 Function greater (children 1) ExpressionList (children 2) Identifier val Literal UInt64_2 Identifier Null