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Add a safe guard

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This commit is contained in:
Blottiere Paul 2017-08-29 13:19:53 +01:00
parent fa4a426893
commit 0c21e51531
1 changed files with 3 additions and 0 deletions
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3
src/app/qgsmaptoollabel.cpp
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@ -794,6 +794,9 @@ bool QgsMapToolLabel::isAuxiliaryField( QgsVectorLayer *layer, int index ) const
{
bool auxiliaryField = false;
if ( !layer->auxiliaryLayer() )
return auxiliaryField;
if ( index >= 0 && layer->fields().fieldOrigin( index ) == QgsFields::OriginJoin )
{
int srcFieldIndex;