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diff --git a/libodb-pgsql/odb/pgsql/error.hxx b/libodb-pgsql/odb/pgsql/error.hxx
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+// file      : odb/pgsql/error.hxx
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef ODB_PGSQL_ERROR_HXX
+#define ODB_PGSQL_ERROR_HXX
+
+#include <odb/pre.hxx>
+
+#include <libpq-fe.h>
+
+#include <odb/pgsql/version.hxx>
+#include <odb/pgsql/forward.hxx> // connection, multiple_exceptions
+#include <odb/pgsql/details/export.hxx>
+
+namespace odb
+{
+  namespace pgsql
+  {
+    // Translate an error condition involving PGresult* and throw (or return,
+    // in case multiple_exceptions is not NULL) an appropriate exception. If
+    // result is NULL, it is assumed that the error was caused due to a bad
+    // connection or a memory allocation error.
+    //
+    LIBODB_PGSQL_EXPORT void
+    translate_error (connection& c, PGresult* r,
+                     std::size_t pos = 0, multiple_exceptions* = 0);
+
+    // Return true if PGresult is not NULL and is not in an error state. If
+    // both s and r are non-NULL, the pointed to value will be populated with
+    // the result status. Otherwise, s is ignored.
+    //
+    LIBODB_PGSQL_EXPORT bool
+    is_good_result (PGresult* r, ExecStatusType* s = 0);
+  }
+}
+
+#include <odb/pgsql/error.ixx>
+
+#include <odb/post.hxx>
+
+#endif // ODB_PGSQL_ERROR_HXX