thevar1able/ClickHouse
1
0
Fork 0
mirror of https://github.com/ClickHouse/ClickHouse.git synced 2024-11-21 15:12:02 +00:00
Code Issues Packages Projects Releases Wiki Activity

One more

Browse Source
This commit is contained in:
kssenii 2021-10-22 11:43:31 +00:00
parent b58f065806
commit 4e0766e2e9
1 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
tests/integration/test_explain_estimates/test.py
View File

@ -14,11 +14,12 @@ def start_cluster():
finally:
cluster.shutdown()
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("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")
assert(system_parts_result == explain_estimates_result)