Add uuid function for expression engine

qgis · Oct 10, 2013 · 6242025 · 6242025
1 parent 2cd8938
commit 6242025
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/src/core/qgsexpression.cpp b/src/core/qgsexpression.cpp
@@ -21,6 +21,7 @@
 #include <QDate>
 #include <QRegExp>
 #include <QColor>
+#include <QUuid>
 
 #include <math.h>
 #include <limits>
@@ -696,6 +697,11 @@ static QVariant fcnRegexpSubstr( const QVariantList& values, const QgsFeature* ,
   }
 }
 
+static QVariant fcnUuid( const QVariantList& values, const QgsFeature* , QgsExpression* parent )
+{
+  return QUuid::createUuid().toString();
+}
+
 static QVariant fcnSubstr( const QVariantList& values, const QgsFeature* , QgsExpression* parent )
 {
   QString str = getStringValue( values.at( 0 ), parent );
@@ -1532,6 +1538,7 @@ const QList<QgsExpression::Function*> &QgsExpression::Functions()
     << new StaticFunction( "$rownum", 0, fcnRowNumber, "Record" )
     << new StaticFunction( "$id", 0, fcnFeatureId, "Record" )
     << new StaticFunction( "$scale", 0, fcnScale, "Record" )
+    << new StaticFunction( "$uuid", 0, fcnUuid, "Record" )
     << new StaticFunction( "_specialcol_", 1, fcnSpecialColumn, "Special" )
     ;
   }