[CP] [CP] Add useful log info to help debug when cast string to number

src/share/object/ob_obj_cast.cpp

@@ -4084,7 +4084,9 @@ static int string_number(
       }
     }
     if (CAST_FAIL(ret)) {
+      LOG_WARN("string_number failed", K(ret), K(in), K(expect_type), K(cast_mode));
     } else if (ObUNumberType == expect_type && CAST_FAIL(numeric_negative_check(value))) {
+      LOG_WARN("numeric_negative_check failed", K(ret), K(in), K(cast_mode));
     } else {
       out.set_number(expect_type, value);
     }

src/sql/engine/expr/ob_datum_cast.cpp

@@ -896,10 +896,11 @@ static OB_INLINE int common_string_number(
     }
   }
 
+  const ObCastMode cast_mode = expr.extra_;
   if (CAST_FAIL(ret)) {
-    LOG_WARN("string_number failed", K(ret));
+    LOG_WARN("string_number failed", K(ret), K(in_type), K(out_type), K(cast_mode), K(in_str));
   } else if (ObUNumberType == out_type && CAST_FAIL(numeric_negative_check(nmb))) {
-    LOG_WARN("numeric_negative_check failed", K(ret));
+    LOG_WARN("numeric_negative_check failed", K(ret), K(in_type), K(cast_mode), K(in_str));
   }
   return ret;
 }