[spatialite provider] take into account possible quotation marks for primary key column

Author: nirvn

src/providers/spatialite/qgsspatialiteprovider.cpp

@@ -878,7 +878,7 @@ void QgsSpatiaLiteProvider::fetchConstraints()
       if ( rows >= 1 )
       {
         QString tableSql = QString::fromUtf8( results[ 1 ] );
-        QRegularExpression rx( QStringLiteral( "[(,]\\s*%1\\s+INTEGER PRIMARY KEY AUTOINCREMENT" ).arg( mPrimaryKey ), QRegularExpression::CaseInsensitiveOption );
+        QRegularExpression rx( QStringLiteral( "[(,]\\s*(?:%1|\"%1\")\\s+INTEGER PRIMARY KEY AUTOINCREMENT" ).arg( mPrimaryKey ), QRegularExpression::CaseInsensitiveOption );
         if ( tableSql.contains( rx ) )
         {
           mPrimaryKeyAutoIncrement = true;