Bug#51289: double Item_cache_decimal::val_real() is broken

Fix up function return value, it must return a double.
16 years ago · 9fc32c2e24
1 changed files with 1 additions and 1 deletions
--- a/sql/item.cc
+++ b/sql/item.cc
@ -7159,7 +7159,7 @@ double Item_cache_decimal::val_real()
  DBUG_ASSERT(fixed);
  double res;
  if (!value_cached && !cache_value())
-    return NULL;
+    return 0.0;
  my_decimal2double(E_DEC_FATAL_ERROR, &decimal_value, &res);
  return res;
 }