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Deletion: disable contents_pk index on parent retrieval. Closes #5097 #5100

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Dec 9, 2021
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Deletion: disable contents_pk index on parent retrieval. Closes #5097 #5100

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18 changes: 13 additions & 5 deletions lib/rucio/core/replica.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1738,11 +1738,19 @@ def __cleanup_after_replica_deletion(rse_id, files, session=None):
child_did_condition, tmp_parent_condition = [], []
for chunk in chunks(parent_condition, 10):

query = session.query(models.DataIdentifierAssociation.scope, models.DataIdentifierAssociation.name,
models.DataIdentifierAssociation.did_type,
models.DataIdentifierAssociation.child_scope, models.DataIdentifierAssociation.child_name).\
filter(or_(*chunk))
for parent_scope, parent_name, did_type, child_scope, child_name in query:
stmt = select(
models.DataIdentifierAssociation.scope,
models.DataIdentifierAssociation.name,
models.DataIdentifierAssociation.did_type,
models.DataIdentifierAssociation.child_scope,
models.DataIdentifierAssociation.child_name,
).prefix_with(
"/*+ NO_INDEX_FFS(CONTENTS CONTENTS_PK) */",
dialect='oracle',
).where(
or_(*chunk)
)
for parent_scope, parent_name, did_type, child_scope, child_name in session.execute(stmt):

# Schedule removal of child file/dataset/container from the parent dataset/container
child_did_condition.append(
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