Add support for mapping char[N] to CHAR/VARCHAR database types

Also improve query support for arrays (decaying).

1 files changed, 45 insertions, 0 deletions

diff --git a/odb/mysql/traits.cxx b/odb/mysql/traits.cxx
index 31ffb14..39e54d7 100644
--- a/odb/mysql/traits.cxx
+++ b/odb/mysql/traits.cxx
@@ -53,6 +53,51 @@ namespace odb
     }
 
     //
+    // c_array_value_traits_base
+    //
+    void c_array_value_traits_base::
+    set_value (char* const& v,
+               const details::buffer& b,
+               size_t n,
+               bool is_null,
+               size_t N)
+    {
+      if (!is_null)
+      {
+        n = n < N ? n : N;
+
+        if (n != 0)
+          memcpy (v, b.data (), n);
+      }
+      else
+        n = 0;
+
+      if (n != N) // Append '\0' if there is space.
+        v[n] = '\0';
+    }
+
+    void c_array_value_traits_base::
+    set_image (details::buffer& b,
+               size_t& n,
+               bool& is_null,
+               const char* v,
+               size_t N)
+    {
+      is_null = false;
+
+      // Figure out the length. We cannot use strlen since it may
+      // not be 0-terminated (strnlen is not standard).
+      //
+      for (n = 0; n != N && v[n] != '\0'; ++n);
+
+      if (n > b.capacity ())
+        b.capacity (n);
+
+      if (n != 0)
+        memcpy (b.data (), v, n);
+    }
+
+    //
     // default_value_traits<vector<char>, id_blob>
     //