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kssenii 2021-10-22 11:43:31 +00:00
parent b58f065806
commit 4e0766e2e9
1 changed files with 4 additions and 3 deletions
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tests/integration/test_explain_estimates/test.py
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@ -14,11 +14,12 @@ def start_cluster():
finally: finally:
cluster.shutdown() cluster.shutdown()
def test_explain_estimates(start_cluster): def test_explain_estimates(start_cluster):
node1.query("CREATE TABLE test (i Int64) ENGINE = MergeTree() ORDER BY i SETTINGS index_granularity = 16, write_final_mark = 0") node1.query("CREATE TABLE test (i Int64) ENGINE = MergeTree() ORDER BY i SETTINGS index_granularity = 16")
node1.query("INSERT INTO test SELECT number FROM numbers(128)") node1.query("INSERT INTO test SELECT number FROM numbers(128)")
node1.query("OPTIMIZE TABLE test") node1.query("OPTIMIZE TABLE test")
system_parts_result = node1.query("SELECT any(database), any(table), count() as parts, sum(rows) as rows, sum(marks) as marks FROM system.parts WHERE database = 'default' AND table = 'test' and active = 1 GROUP BY (database, table)") # sum(marks) - 1 because EXPLAIN ESIMATES does not include final mark.
system_parts_result = node1.query("SELECT any(database), any(table), count() as parts, sum(rows) as rows, sum(marks)-1 as marks FROM system.parts WHERE database = 'default' AND table = 'test' and active = 1 GROUP BY (database, table)")
explain_estimates_result = node1.query("EXPLAIN ESTIMATE SELECT * FROM test") explain_estimates_result = node1.query("EXPLAIN ESTIMATE SELECT * FROM test")
assert(system_parts_result == explain_estimates_result) assert(system_parts_result == explain_estimates_result)