aboutsummaryrefslogtreecommitdiff
path: root/mapping/traits.hxx
diff options
context:
space:
mode:
Diffstat (limited to 'mapping/traits.hxx')
-rw-r--r--mapping/traits.hxx2
1 files changed, 2 insertions, 0 deletions
diff --git a/mapping/traits.hxx b/mapping/traits.hxx
index 5579f0c..533b2e3 100644
--- a/mapping/traits.hxx
+++ b/mapping/traits.hxx
@@ -16,6 +16,8 @@
# include "traits-oracle.hxx"
#elif defined(DATABASE_MSSQL)
# include "traits-mssql.hxx"
+#else
+# error unknown database; did you forget to define the DATABASE_* macros?
#endif
#endif // TRAITS_HXX