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6c267bbc70
Removed all path modification and migrated to python way of importing packages. This is another small step to the one pool cluster for better scheduling and better resource utilization. Fixes: https://github.com/scylladb/scylladb/issues/21644 Closes scylladb/scylladb#21585
38 lines
1.4 KiB
Python
38 lines
1.4 KiB
Python
# Copyright 2020-present ScyllaDB
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#
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# SPDX-License-Identifier: AGPL-3.0-or-later
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from .util import new_test_table
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from cassandra.query import SimpleStatement
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import pytest
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from . import nodetool
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# Test that the _stop flag set in the compactor at the end of a page is not
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# sticky and doesn't remain set on the following page. If it does it can cause
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# the next page (and consequently the entire query) to be terminated prematurely.
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# This can happen if the code path on the very first consumed fragment doesn't
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# reset this flag. Currently this is the case for rows completely covered by a
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# higher level tombstone.
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def test_sticky_stop_flag(cql, test_keyspace):
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with new_test_table(cql, test_keyspace, 'pk int, ck int, v int, PRIMARY KEY (pk, ck)') as table:
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insert_row_id = cql.prepare(f"INSERT INTO {table} (pk, ck, v) VALUES (?, ?, ?)")
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pk = 0
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# Flush the row to disk, to prevent it being compacted away in the
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# memtable upon writing the partition tombstone.
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cql.execute(insert_row_id, (pk, 100, 0))
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nodetool.flush(cql, table)
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cql.execute(f"DELETE FROM {table} WHERE pk = {pk}")
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for ck in range(0, 200):
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if ck == 100:
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continue
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cql.execute(insert_row_id, (pk, ck, 0))
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statement = SimpleStatement(f"SELECT * FROM {table} WHERE pk = {pk}", fetch_size=100)
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res = list(cql.execute(statement))
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assert len(res) == 199
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