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fix(medcat-trainer): Postgres load_examples fails on unique constraint #299

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fix(medcat-trainer): Postgres load_examples fails on unique constraint #299

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7 changes: 6 additions & 1 deletion medcat-trainer/webapp/api/api/models.py
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Original file line number Diff line number Diff line change
Expand Up @@ -132,7 +132,12 @@ def save(self, *args, skip_load=False, **kwargs):
except Exception as exc:
raise MedCATLoadException(f'Failure loading MetaCAT models - {unpacked_model_pack_path}') from exc

super().save(*args, **kwargs)
if not is_new:
super().save(*args, **kwargs)
else:
# For new objects, just update the FK fields without full save
# Fixes psycopg.errors.UniqueViolation: duplicate key value violates unique constraint "api_modelpack_pkey"
super().save(update_fields=['concept_db', 'vocab'])

def __str__(self):
return self.name
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