[FEAT MERGE] Lob SQL refactoring (Mem-LobLocator, expressions and dbms_lob adaptions)

Co-authored-by: chaser-ch <chaser.ch@antgroup.com>

src/sql/engine/expr/ob_expr_oracle_decode.cpp

@@ -485,8 +485,8 @@ int ObExprOracleDecode::cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_e
     rt_expr.inner_functions_[0] = reinterpret_cast<void*>(
         ObDatumFuncs::get_nullsafe_cmp_func(cmp_meta.type_, cmp_meta.type_,
                                             default_null_pos(), cmp_meta.cs_type_,
-                                            cmp_meta.scale_,
-                                            lib::is_oracle_mode()));
+                                            cmp_meta.scale_, lib::is_oracle_mode(),
+                                            rt_expr.args_[0]->obj_meta_.has_lob_header()));
   }
   return ret;
 }