2 files changed, 18 insertions, 2 deletions
diff --git a/libdbpp/selectcommand.cpp b/libdbpp/selectcommand.cpp
index 792af12..d904b35 100644
--- a/libdbpp/selectcommand.cpp
+++ b/libdbpp/selectcommand.cpp
@@ -2,11 +2,24 @@
 #include "error.h"
 #include <boost/multi_index_container.hpp>
 #include <boost/multi_index/ordered_index.hpp>
+#include <buffer.h>
 
 namespace DB {
 	ColumnIndexOutOfRange::ColumnIndexOutOfRange(unsigned int n) : colNo(n) { }
 
+	std::string
+	ColumnIndexOutOfRange::message() const throw()
+	{
+		return stringf("Column (%u) index out of range", colNo);
+	}
+
 	ColumnDoesNotExist::ColumnDoesNotExist(const Glib::ustring & n) : colName(n) { }
+
+	std::string
+	ColumnDoesNotExist::message() const throw()
+	{
+		return stringf("Column (%s) does not exist", colName.c_str());
+	}
 };
 
 DB::SelectCommand::SelectCommand(const std::string & sql) :
diff --git a/libdbpp/selectcommand.h b/libdbpp/selectcommand.h
index 8c9af13..e82a532 100644
--- a/libdbpp/selectcommand.h
+++ b/libdbpp/selectcommand.h
@@ -11,18 +11,21 @@
 #include <boost/function/function_fwd.hpp>
 #include <boost/shared_ptr.hpp>
 #include <visibility.h>
+#include <exception.h>
 
 namespace DB {
 	class Column;
-	class ColumnIndexOutOfRange : public Error {
+	class DLL_PUBLIC ColumnIndexOutOfRange : public AdHoc::Exception<Error> {
 		public:
 			ColumnIndexOutOfRange(unsigned int n);
+			std::string message() const throw() override;
 
 			const unsigned int colNo;
 	};
-	class ColumnDoesNotExist : public Error {
+	class DLL_PUBLIC ColumnDoesNotExist : public AdHoc::Exception<Error> {
 		public:
 			ColumnDoesNotExist(const Glib::ustring & n);
+			std::string message() const throw() override;
 
 			const Glib::ustring colName;
 	};