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from .base import DeleteTestBase
import random
class TestDeleteAllAfterInserts(DeleteTestBase):
test_name = "delete_by_explicit_row_id"
MAX_ID = 2**32 // 2 - 1
@classmethod
def setup_class(cls):
super(TestDeleteAllAfterInserts, cls).setup_class()
def _get_test_dir(self):
return f"{self.ydb_client.database}/{self.test_name}"
def _get_row_count(self, table_path):
return self.ydb_client.query(f"SELECT count(*) as Rows from `{table_path}`")[0].rows[0]["Rows"]
def _test_delete_all(self, rows_to_insert, insert_iterations):
table_path = f"{self._get_test_dir()}/testTableAllDeleted"
self.ydb_client.query(f"DROP TABLE IF EXISTS `{table_path}`;")
self.ydb_client.query(
f"""
CREATE TABLE `{table_path}` (
id1 Int32 NOT NULL,
id2 Int32 NOT NULL,
value Int64,
PRIMARY KEY(id1, id2),
)
WITH (
STORE = COLUMN
)
"""
)
all_rows_ids = random.sample(range(self.MAX_ID), rows_to_insert * insert_iterations)
rows_in_table = 0
for it in range(0, len(all_rows_ids), rows_to_insert):
rows_ids = all_rows_ids[it:it + rows_to_insert]
insert_query = f"INSERT INTO `{table_path}` (id1, id2, value) VALUES "
for i in rows_ids:
insert_query += f"({i}, {i}, {i}), "
insert_query = insert_query[:-2] + ";"
self.ydb_client.query(insert_query)
rows_in_table += rows_to_insert
assert self._get_row_count(table_path) == rows_in_table
self.ydb_client.query(f"DELETE FROM `{table_path}`")
assert self._get_row_count(table_path) == 0
assert len(self.ydb_client.query(
f"""
SELECT id1 as id1, id2 as id2 FROM `{table_path}` WHERE id1 != 10000000 ORDER by id1 ASC, id2 ASC LIMIT 100;
"""
)[0].rows) == 0
assert len(self.ydb_client.query(
f"""
SELECT id1 as id1, id2 as id2 FROM `{table_path}` WHERE id1 != 10000000 ORDER by id1 ASC, id2 ASC;
"""
)[0].rows) == 0
assert len(self.ydb_client.query(
f"""
SELECT id1 as id1, id2 as id2 FROM `{table_path}` WHERE id1 != 10000000 ORDER by id1 DESC, id2 DESC;
"""
)[0].rows) == 0
assert len(self.ydb_client.query(
f"""
SELECT id1 as id1, id2 as id2 FROM `{table_path}` WHERE id1 != 10000000 LIMIT 100;
"""
)[0].rows) == 0
assert len(self.ydb_client.query(
f"""
SELECT id1 as id1, id2 as id2 FROM `{table_path}` WHERE id1 != 10000000;
"""
)[0].rows) == 0
assert len(self.ydb_client.query(
f"""
SELECT id1 as id1, id2 as id2 FROM `{table_path}` WHERE id1 != 10000000 ORDER by id1 DESC, id2 DESC LIMIT 100;
"""
)[0].rows) == 0
def _test_select_query(self, query, reversed=False):
res = self.ydb_client.query(query)[0].rows
prev_row = None
for i in range(len(res)):
row = res[i]
assert row["value"] == 'NEW', row["id1"]
if prev_row is not None:
if reversed:
assert row["id1"] < prev_row["id1"]
else:
assert row["id1"] > prev_row["id1"]
prev_row = row
def _test_update_all(self, rows_to_insert, insert_iterations, all_rows_ids=None):
table_path = f"{self._get_test_dir()}/testTableAllUpdated"
self.ydb_client.query(f"DROP TABLE IF EXISTS `{table_path}`;")
self.ydb_client.query(
f"""
CREATE TABLE `{table_path}` (
id1 Int32 NOT NULL,
value Utf8 NOT NULL,
PRIMARY KEY(id1),
)
WITH (
STORE = COLUMN
)
"""
)
if all_rows_ids is None:
all_rows_ids = random.sample(range(self.MAX_ID), rows_to_insert * insert_iterations)
rows_in_table = 0
for it in range(0, len(all_rows_ids), rows_to_insert):
rows_ids = all_rows_ids[it:it + rows_to_insert]
insert_query = f"INSERT INTO `{table_path}` (id1, value) VALUES "
for i in rows_ids:
insert_query += f"({i}, 'OLD'), "
insert_query = insert_query[:-2] + ";"
self.ydb_client.query(insert_query)
rows_in_table += rows_to_insert
assert self._get_row_count(table_path) == rows_in_table
self.ydb_client.query(f"UPDATE `{table_path}` SET value = 'NEW';")
assert self._get_row_count(table_path) == rows_in_table
self._test_select_query(
f"""
SELECT id1 as id1, value as value FROM `{table_path}` WHERE id1 != 10000001 ORDER by id1 DESC;
""",
reversed=True
)
self._test_select_query(
f"""
SELECT id1 as id1, value as value FROM `{table_path}` WHERE id1 != 10000001 ORDER by id1 ASC;
""",
reversed=False
)
self._test_select_query(
f"""
SELECT id1 as id1, value as value FROM `{table_path}` WHERE id1 != 10000001 ORDER by id1 ASC LIMIT 100;
""",
reversed=False
)
self._test_select_query(
f"""
SELECT id1 as id1, value as value FROM `{table_path}` WHERE id1 != 10000001 ORDER by id1 DESC LIMIT 100;
""",
reversed=True
)
def test_delete_all_rows_after_several_inserts(self):
# IMPORTANT note: tests passes with 1 insert_iterations
self._test_delete_all(rows_to_insert=1000, insert_iterations=2)
def test_update_all_rows_after_several_inserts(self):
# IMPORTANT note: tests passes with 1 insert_iterations
self._test_update_all(rows_to_insert=1000, insert_iterations=2)
# Known failing scenarios:
self._test_update_all(rows_to_insert=2, insert_iterations=2, all_rows_ids=[2125791724, 269299117, 1929453799, 383764224])
self._test_update_all(rows_to_insert=2, insert_iterations=2, all_rows_ids=[945294066, 1142679124, 175083513, 1218666029])
self._test_update_all(rows_to_insert=10, insert_iterations=2,
all_rows_ids=[1979586701, 127598743, 231258081, 416119681, 1889436625, 303117720, 155720914, 673430720,
1732479562, 17223092, 2089986107, 1847206032, 1598948818, 1418309310, 586602536, 630824296,
434780620, 1254100566, 525597905, 860984260])
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