[virtual layer] Improve error message

Hugo Mercier · Hugo Mercier · commit 871b6ae4d753 · 2016-06-28T09:51:35.000+02:00
diff --git a/src/providers/virtual/qgsvirtuallayersqlitehelper.cpp b/src/providers/virtual/qgsvirtuallayersqlitehelper.cpp
@@ -95,7 +95,7 @@ namespace Sqlite
     int r = sqlite3_prepare_v2( db, ba.constData(), ba.size(), &stmt_, nullptr );
     if ( r )
     {
-      QString err = QString( "Query preparation error on %1" ).arg( q );
+      QString err = QString( "Query preparation error on %1: %2" ).arg( q ).arg( sqlite3_errmsg( db ) );
       throw std::runtime_error( err.toLocal8Bit().constData() );
     }
   }

Original file line number	Diff line number	Diff line change
`@@ -95,7 +95,7 @@ namespace Sqlite`
`95`	`95`	`int r = sqlite3_prepare_v2( db, ba.constData(), ba.size(), &stmt_, nullptr );`
`96`	`96`	`if ( r )`
`97`	`97`	`{`
`98`		`- QString err = QString( "Query preparation error on %1" ).arg( q );`
	`98`	`+ QString err = QString( "Query preparation error on %1: %2" ).arg( q ).arg( sqlite3_errmsg( db ) );`
`99`	`99`	`throw std::runtime_error( err.toLocal8Bit().constData() );`
`100`	`100`	`}`
`101`	`101`	`}`