From fe34c45192cffb97caa213e63c0eac4ade43d184 Mon Sep 17 00:00:00 2001
From: viperminiq <viperminiq@gmail.com>
Date: Tue, 6 May 2025 11:16:55 +0200
Subject: [PATCH] throw exception when trying to add same field name

---
 src/analysis/processing/qgsalgorithmaddincrementalfield.cpp | 3 +--
 src/analysis/processing/qgsalgorithmaddtablefield.cpp       | 3 +--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/analysis/processing/qgsalgorithmaddincrementalfield.cpp b/src/analysis/processing/qgsalgorithmaddincrementalfield.cpp
index 78229649475..4bd145ae5e0 100644
--- a/src/analysis/processing/qgsalgorithmaddincrementalfield.cpp
+++ b/src/analysis/processing/qgsalgorithmaddincrementalfield.cpp
@@ -120,8 +120,7 @@ bool QgsAddIncrementalFieldAlgorithm::prepareAlgorithm( const QVariantMap &param
 
   if ( source->fields().lookupField( mFieldName ) >= 0 )
   {
-    feedback->reportError( QObject::tr( "Field with the same name already exists" ) );
-    return false;
+    throw QgsProcessingException( QObject::tr( "Field with the same name already exists" ) );
   }
 
   return true;
diff --git a/src/analysis/processing/qgsalgorithmaddtablefield.cpp b/src/analysis/processing/qgsalgorithmaddtablefield.cpp
index 68ab82283aa..425ed7ff8aa 100644
--- a/src/analysis/processing/qgsalgorithmaddtablefield.cpp
+++ b/src/analysis/processing/qgsalgorithmaddtablefield.cpp
@@ -131,8 +131,7 @@ bool QgsAddTableFieldAlgorithm::prepareAlgorithm( const QVariantMap &parameters,
 
   if ( source->fields().lookupField( name ) >= 0 )
   {
-    feedback->reportError( QObject::tr( "Field with the same name already exists" ) );
-    return false;
+    throw QgsProcessingException( QObject::tr( "Field with the same name already exists" ) );
   }
 
   mField.setName( name );