[cherry-pick](branch-20) fix partition-topn calculate partition input…

… rows have error (#39100) (#39581) (#40003)

cherry-pick from master 
#39100
#39581

be/src/vec/columns/column_impl.h

@@ -67,8 +67,10 @@ void IColumn::append_data_by_selector_impl(MutablePtr& res, const Selector& sele
         LOG(FATAL) << fmt::format("Size of selector: {}, is larger than size of column:{}",
                                   selector.size(), num_rows);
     }
-
-    res->reserve(num_rows);
+    // here wants insert some value from this column, and the nums is selector.size()
+    // and many be this column num_rows is 4096, but only need insert num is size = 1
+    // so can't call res->reserve(num_rows), it's will be too mush waste memory
+    res->reserve(res->size() + selector.size());
 
     for (size_t i = 0; i < selector.size(); ++i)
         static_cast<Derived&>(*res).insert_from(*this, selector[i]);

be/src/vec/exec/vpartition_sort_node.cpp

@@ -172,7 +172,6 @@ void VPartitionSortNode::_emplace_into_hash_table(const ColumnRawPtrs& key_colum
 Status VPartitionSortNode::sink(RuntimeState* state, vectorized::Block* input_block, bool eos) {
     auto current_rows = input_block->rows();
     if (current_rows > 0) {
-        child_input_rows = child_input_rows + current_rows;
         if (UNLIKELY(_partition_exprs_num == 0)) {
             if (UNLIKELY(_value_places.empty())) {
                 _value_places.push_back(_pool->add(new PartitionBlocks()));
@@ -192,6 +191,7 @@ Status VPartitionSortNode::sink(RuntimeState* state, vectorized::Block* input_bl
                 RETURN_IF_ERROR(
                         state->check_query_state("VPartitionSortNode, while split input block."));
                 input_block->clear_column_data();
+                child_input_rows = child_input_rows + current_rows;
             }
         }
     }