[FEAT MERGE]优化器技术改造

Co-authored-by: JinmaoLi <ljm.csmaster@gmail.com>
Co-authored-by: jingtaoye35 <1255153887@qq.com>
Co-authored-by: chimyue <chimyue@gmail.com>

unittest/sql/parser/test_sql_fast_parser.cpp

@@ -34,6 +34,14 @@ extern "C"
       sleep(120);
     }
   }
+  extern int ob_backtrace_c(void **buffer, int size)
+  {
+    return 0;
+  }
+  extern char *parray_c(char *buf, int64_t len, int64_t *array, int size)
+  {
+    return NULL;
+  }
 }
 
 using namespace oceanbase::common;