branch-2.1: [improve](variant) only sanitize in debug mode #45689 (#45698)

Cherry-picked from #45689

Co-authored-by: lihangyu <lihangyu@selectdb.com>

be/src/vec/columns/column_object.cpp

@@ -1702,6 +1702,7 @@ std::string ColumnObject::debug_string() const {
 }
 
 Status ColumnObject::sanitize() const {
+#ifndef NDEBUG
     RETURN_IF_CATCH_EXCEPTION(check_consistency());
     for (const auto& subcolumn : subcolumns) {
         if (subcolumn->data.is_finalized()) {
@@ -1716,6 +1717,7 @@ Status ColumnObject::sanitize() const {
     }
 
     VLOG_DEBUG << "sanitized " << debug_string();
+#endif
     return Status::OK();
 }
 

be/src/vec/columns/column_object.h

@@ -454,7 +454,7 @@ public:
 
     bool empty() const;
 
-    // Check if all columns and types are aligned
+    // Check if all columns and types are aligned, only in debug mode
     Status sanitize() const;
 
     std::string debug_string() const;