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-rw-r--r--guix-data-service/comparison.scm10
1 files changed, 9 insertions, 1 deletions
diff --git a/guix-data-service/comparison.scm b/guix-data-service/comparison.scm
index aad76bd..a61165e 100644
--- a/guix-data-service/comparison.scm
+++ b/guix-data-service/comparison.scm
@@ -386,8 +386,16 @@ WHERE
"")
(if exclude-unchanged-outputs?
"
- AND base_packages.derivation_output_details_set_id <>
+ AND
+ (
+ (
+ base_packages.derivation_output_details_set_id IS NULL OR
+ target_packages.derivation_output_details_set_id IS NULL
+ ) OR (
+ base_packages.derivation_output_details_set_id <>
target_packages.derivation_output_details_set_id
+ )
+ )
"
"")
(cond