Add dynamic multi-database query support

1 files changed, 19 insertions, 0 deletions

diff --git a/odb/query-dynamic.ixx b/odb/query-dynamic.ixx
new file mode 100644
index 0000000..a6250be
--- /dev/null
+++ b/odb/query-dynamic.ixx
@@ -0,0 +1,19 @@
+// file      : odb/query-dynamic.ixx
+// copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+namespace odb
+{
+  // query_base
+  //
+  inline query_base::
+  query_base (const query_column<bool>& c)
+  {
+    // Some databases provide the IS TRUE operator. However, we cannot
+    // use it since the column type might now be SQL boolean type.
+    //
+    append (c.native_info);
+    append_val (true, c.native_info);
+    append (query_base::clause_part::op_eq, 0);
+  }
+}