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Added some important info to cleanup_datasets.py script.

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This commit is contained in:
Greg Von Kuster
2008-05-15 20:40:19 +00:00
parent b0a4a72315
commit 94917f5fe0
1 changed files with 6 additions and 2 deletions
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scripts/cleanup_datasets/cleanup_datasets.py
+6 -2
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@@ -248,11 +248,15 @@ def purge_datasets( d, cutoff_time, remove_from_disk ):
def purge_dataset( dataset ):
# Removes the file from disk and updates the database accordingly.
if dataset.dataset_file is None or not dataset.dataset_file.readonly:
#Check to see if another dataset is using this file
# Check to see if another dataset is using this file. This happens when a user shares
# their history with another user. In this case, a new record is created in the dataset
# table for each dataset, but the dataset records point to the same data file on disk. So
# if 1 of the 2 users deletes the dataset from their history but the other doesn't, we need
# to keep the dataset on disk for the 2nd user.
if dataset.dataset_file:
for data in dataset.select_by( purged=False, filename_id=dataset.dataset_file.id ):
if data.id != dataset.id:
return "# Error: the dataset id for deletion is %s, while the dataset id retrieved is %s\n" %( str( dataset.id ), str( data.id ) )
return "# Dataset for deletion ( id %s ) points to a file on disk being shared by another user's history ( dataset id %s )\n" %( str( dataset.id ), str( data.id ) )
elif dataset.deleted:
# Remove files from disk and update the database
try: