Spec placeholder for sql exec spill compression

src/sql/engine/ob_operator.cpp

@@ -127,7 +127,8 @@ ObOpSpec::ObOpSpec(ObIAllocator &alloc, const ObPhyOperatorType type)
     plan_depth_(0),
     max_batch_size_(0),
     need_check_output_datum_(false),
-    use_rich_format_(false)
+    use_rich_format_(false),
+    compress_type_(NONE_COMPRESSOR)
 {
 }
 
@@ -148,7 +149,8 @@ OB_SERIALIZE_MEMBER(ObOpSpec,
                     plan_depth_,
                     max_batch_size_,
                     need_check_output_datum_,
-                    use_rich_format_);
+                    use_rich_format_,
+                    compress_type_);
 
 DEF_TO_STRING(ObOpSpec)
 {

src/sql/engine/ob_operator.h

@@ -345,6 +345,7 @@ public:
   int64_t max_batch_size_;
   bool need_check_output_datum_;
   bool use_rich_format_;
+  ObCompressorType compress_type_;
 
 private:
   DISALLOW_COPY_AND_ASSIGN(ObOpSpec);

src/sql/engine/sort/ob_sort_op.cpp

@@ -39,8 +39,7 @@ ObSortSpec::ObSortSpec(common::ObIAllocator &alloc, const ObPhyOperatorType type
   is_fetch_with_ties_(false),
   prescan_enabled_(false),
   enable_encode_sortkey_opt_(false),
-  part_cnt_(0),
-  compress_type_(NONE_COMPRESSOR)
+  part_cnt_(0)
 {}
 
 OB_SERIALIZE_MEMBER((ObSortSpec, ObOpSpec),

src/sql/engine/sort/ob_sort_op.h

@@ -59,7 +59,6 @@ public:
   bool enable_encode_sortkey_opt_;
   // if use, all_exprs_ is : hash(part_by) + part_by + order_by.
   int64_t part_cnt_;
-  ObCompressorType compress_type_;
 };
 
 class ObSortOp : public ObOperator