morningman commented on code in PR #38549:
URL: https://github.com/apache/doris/pull/38549#discussion_r1723550266


##########
fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java:
##########
@@ -1111,6 +1113,9 @@ public class SessionVariable implements Serializable, 
Writable {
                     "set the number of sort phases 1 or 2. if set other value, 
let cbo decide the sort type"})
     public int sortPhaseNum = 0;
 
+    @VariableMgr.VarAttr(name = HIVE_TEXT_COMPRESSION, needForward = true)
+    private String hiveTextCompression = "uncompressed";

Review Comment:
   What is this variable for?



##########
be/src/util/slice.h:
##########
@@ -358,6 +358,10 @@ class OwnedSlice : private Allocator<false, false, false, 
DefaultMemoryAllocator
         return *this;
     }
 
+    // disable copy constructor and copy assignment

Review Comment:
   need to change comment.
   And why make it public?



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