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| author | BonfaceKilz | 2021-12-22 14:03:27 +0300 |
|---|---|---|
| committer | BonfaceKilz | 2022-01-04 17:04:24 +0300 |
| commit | 6bb51023032281f28736a4c761fa50e3072327e1 (patch) | |
| tree | fa71bd005e11cc71ec0509077aefb55b7f76c0bf /gn3/db/traits.py | |
| parent | 27d54257735156ebc9d12f3ce638ea469d14e15e (diff) | |
| download | genenetwork3-6bb51023032281f28736a4c761fa50e3072327e1.tar.gz | |
traits.py Delete a record only if it exists
In the case when the user tries to delete the same data twice, prior to this
commit, an error was being generated. This commit remedies this by checking
if a record exists prior to deleting it.
Diffstat (limited to 'gn3/db/traits.py')
| -rw-r--r-- | gn3/db/traits.py | 39 |
1 files changed, 22 insertions, 17 deletions
diff --git a/gn3/db/traits.py b/gn3/db/traits.py index 68b6059..9d5ddd1 100644 --- a/gn3/db/traits.py +++ b/gn3/db/traits.py @@ -203,25 +203,30 @@ def delete_sample_data(conn: Any, "AND Strain.Name = \"%s\"") % (trait_name, phenotype_id, str(strain_name))) - strain_id, data_id = cursor.fetchone() - cursor.execute(("DELETE FROM PublishData " + # Check if it exists if the data was already deleted: + if _result := cursor.fetchone(): + strain_id, data_id = _result + + # Only run if the strain_id and data_id exist + if strain_id and data_id: + cursor.execute(("DELETE FROM PublishData " "WHERE StrainId = %s AND Id = %s") - % (strain_id, data_id)) - deleted_published_data = cursor.rowcount - - # Delete the PublishSE table - cursor.execute(("DELETE FROM PublishSE " - "WHERE StrainId = %s AND DataId = %s") % - (strain_id, data_id)) - deleted_se_data = cursor.rowcount - - # Delete the NStrain table - cursor.execute(("DELETE FROM NStrain " - "WHERE StrainId = %s AND DataId = %s" % - (strain_id, data_id))) - deleted_n_strains = cursor.rowcount - except Exception as e: #pylint: disable=[C0103, W0612] + % (strain_id, data_id)) + deleted_published_data = cursor.rowcount + + # Delete the PublishSE table + cursor.execute(("DELETE FROM PublishSE " + "WHERE StrainId = %s AND DataId = %s") % + (strain_id, data_id)) + deleted_se_data = cursor.rowcount + + # Delete the NStrain table + cursor.execute(("DELETE FROM NStrain " + "WHERE StrainId = %s AND DataId = %s" % + (strain_id, data_id))) + deleted_n_strains = cursor.rowcount + except Exception as e: #pylint: disable=[C0103, W0612] conn.rollback() raise MySQLdb.Error conn.commit() |