revised exception hierarchy, following more the pqxx ideas

1 files changed, 18 insertions, 16 deletions

diff --git a/src/except.cpp b/src/except.cpp
index cda8c7f..5ae357d 100644
--- a/src/except.cpp
+++ b/src/except.cpp
@@ -20,33 +20,35 @@
 
 namespace sqlite3xx {
 
-sql_error::sql_error( ) :
-	runtime_error( "failed query" ),
-	_m( ),
-	_q( ) {
+sqlitexx_exception::~sqlitexx_exception( ) throw( )
+{
 }
 
-sql_error::sql_error( string& __m ) :
-	runtime_error( __m ),
-	_m( __m ),
-	_q( ) {
+failure::failure( const string &_what )
+	: sqlitexx_exception( ), runtime_error( _what )
+{
 }
 
-sql_error::sql_error( string& __m, string& q ) :
-	runtime_error( __m ),
-	_m( __m ),
-	_q( q ) {
+sql_error::sql_error( )
+	: failure( "failed query" ), m_q( )
+{
 }
 
-sql_error::~sql_error( ) throw( ){
+sql_error::sql_error( const string &_what )
+	: failure( _what ), m_q( )
+{
+}
+
+sql_error::sql_error( const string &_what, const string &_q )
+	: failure( _what ), m_q( _q )
+{
 }
 
-const string& sql_error::msg( ) const throw( ) {
-	return _m;
+sql_error::~sql_error( ) throw( ){
 }
 
 const string& sql_error::query( ) const throw( ) {
-	return _q;
+	return m_q;
 }
 
 } /* namespace sqlite3xx */