From 24458890ddfb4847d385ae33c19cdb4798669557 Mon Sep 17 00:00:00 2001
From: Nyall Dawson <nyall.dawson@gmail.com>
Date: Wed, 10 Jul 2024 10:23:14 +1000
Subject: [PATCH] Explode lines algorithm should not require valid geometries

This check isn't required for this algorith, and can get in
the way when using explode as a step prior for data cleaning
---
 src/analysis/processing/qgsalgorithmexplode.cpp | 5 +++++
 src/analysis/processing/qgsalgorithmexplode.h   | 1 +
 2 files changed, 6 insertions(+)

diff --git a/src/analysis/processing/qgsalgorithmexplode.cpp b/src/analysis/processing/qgsalgorithmexplode.cpp
index cd48f5ab1cd8..4063448aca27 100644
--- a/src/analysis/processing/qgsalgorithmexplode.cpp
+++ b/src/analysis/processing/qgsalgorithmexplode.cpp
@@ -105,6 +105,11 @@ QgsFeatureList QgsExplodeAlgorithm::processFeature( const QgsFeature &f, QgsProc
   }
 }
 
+Qgis::ProcessingFeatureSourceFlags QgsExplodeAlgorithm::sourceFlags() const
+{
+  return Qgis::ProcessingFeatureSourceFlag::SkipGeometryValidityChecks;
+}
+
 QgsFeatureSink::SinkFlags QgsExplodeAlgorithm::sinkFlags() const
 {
   return QgsFeatureSink::RegeneratePrimaryKey;
diff --git a/src/analysis/processing/qgsalgorithmexplode.h b/src/analysis/processing/qgsalgorithmexplode.h
index d696c414b613..19871592b72e 100644
--- a/src/analysis/processing/qgsalgorithmexplode.h
+++ b/src/analysis/processing/qgsalgorithmexplode.h
@@ -48,6 +48,7 @@ class QgsExplodeAlgorithm : public QgsProcessingFeatureBasedAlgorithm
     QString outputName() const override;
     Qgis::WkbType outputWkbType( Qgis::WkbType inputWkbType ) const override;
     QgsFeatureList processFeature( const QgsFeature &feature,  QgsProcessingContext &context, QgsProcessingFeedback *feedback ) override;
+    Qgis::ProcessingFeatureSourceFlags sourceFlags() const override;
     QgsFeatureSink::SinkFlags sinkFlags() const override;
 
     std::vector< QgsGeometry > extractAsParts( const QgsGeometry &geometry ) const;