[GLUTEN-4454][CH] Support write mergetree data for CH backend (#480)

(cherry picked from commit d3f342a)

src/Processors/QueryPlan/ReadFromMergeTree.h

@@ -209,6 +209,7 @@ class ReadFromMergeTree final : public SourceStepWithFilter
     size_t getMaxBlockSize() const { return block_size.max_block_size_rows; }
     size_t getNumStreams() const { return requested_num_streams; }
     bool isParallelReadingEnabled() const { return read_task_callback != std::nullopt; }
+    ReadFromMergeTree::AnalysisResult getAnalysisResult() const;
 
     void applyFilters(ActionDAGNodes added_filter_nodes) override;
 
@@ -268,7 +269,6 @@ class ReadFromMergeTree final : public SourceStepWithFilter
     Pipe spreadMarkRangesAmongStreamsFinal(
         RangesInDataParts && parts, size_t num_streams, const Names & origin_column_names, const Names & column_names, std::optional<ActionsDAG> & out_projection);
 
-    ReadFromMergeTree::AnalysisResult getAnalysisResult() const;
 
     int getSortDirection() const;
     void updateSortDescription();