fix: right join flaky test failed under cluster mode

Author: xudong963

src/query/datablocks/src/kernels/data_block_sort.rs

@@ -45,6 +45,9 @@ impl DataBlock {
         sort_columns_descriptions: &[SortColumnDescription],
         limit: Option<usize>,
     ) -> Result<DataBlock> {
+        if block.is_empty() {
+            return Ok(block.clone());
+        }
         let order_columns = sort_columns_descriptions
             .iter()
             .map(|f| {

tests/logictest/suites/query/join.test

@@ -398,9 +398,15 @@ select * from (SELECT number AS a FROM numbers(10)) x left join (SELECT number A
 8
 9
 
--- https://github.com/datafuselabs/databend/issues/8788
--- statement query I
--- select * from (SELECT number AS a FROM numbers(10)) x right join (SELECT number AS a FROM numbers(5))  y using(a) order by x.a;
+statement query I
+select * from (SELECT number AS a FROM numbers(10)) x right join (SELECT number AS a FROM numbers(5))  y using(a) order by x.a;
+
+----
+0
+1
+2
+3
+4
 
 statement query II
 select * from (SELECT number AS a FROM numbers(1000)) x right join (SELECT number AS a FROM numbers(5))  y on x.a = y.a order by x.a;