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255 lines
8.9 KiB
Python
255 lines
8.9 KiB
Python
import pytest
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from helpers.cluster import ClickHouseCluster
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cluster = ClickHouseCluster(__file__)
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node = cluster.add_instance(
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"node",
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image="yandex/clickhouse-server",
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tag="19.16.9.37",
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stay_alive=True,
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with_zookeeper=True,
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with_installed_binary=True,
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allow_analyzer=False,
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)
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@pytest.fixture(scope="module")
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def start_cluster():
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try:
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cluster.start()
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yield cluster
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finally:
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cluster.shutdown()
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def q(query):
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return node.query(query, settings={"log_queries": 1})
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def check_convert_system_db_to_atomic():
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q(
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"CREATE TABLE t(date Date, id UInt32) ENGINE = MergeTree PARTITION BY toYYYYMM(date) ORDER BY id"
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)
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q("INSERT INTO t VALUES (today(), 1)")
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q("INSERT INTO t SELECT number % 1000, number FROM system.numbers LIMIT 1000000")
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assert "1000001\n" == q("SELECT count() FROM t")
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assert "499999500001\n" == q("SELECT sum(id) FROM t")
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assert "1970-01-01\t1000\t499500000\n1970-01-02\t1000\t499501000\n" == q(
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"SELECT date, count(), sum(id) FROM t GROUP BY date ORDER BY date LIMIT 2"
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)
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q("SYSTEM FLUSH LOGS")
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assert "query_log" in q("SHOW TABLES FROM system")
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assert "part_log" in q("SHOW TABLES FROM system")
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q("SYSTEM FLUSH LOGS")
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assert "1\n" == q("SELECT count() != 0 FROM system.query_log")
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assert "1\n" == q("SELECT count() != 0 FROM system.part_log")
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node.restart_with_latest_version(fix_metadata=True)
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assert "Ordinary" in node.query("SHOW CREATE DATABASE default")
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assert "Atomic" in node.query("SHOW CREATE DATABASE system")
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assert "query_log" in node.query("SHOW TABLES FROM system")
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assert "part_log" in node.query("SHOW TABLES FROM system")
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node.query("SYSTEM FLUSH LOGS")
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assert "query_log_0" in node.query("SHOW TABLES FROM system")
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assert "part_log_0" in node.query("SHOW TABLES FROM system")
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assert "1\n" == node.query("SELECT count() != 0 FROM system.query_log_0")
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assert "1\n" == node.query("SELECT count() != 0 FROM system.part_log_0")
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assert "1970-01-01\t1000\t499500000\n1970-01-02\t1000\t499501000\n" == node.query(
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"SELECT date, count(), sum(id) FROM t GROUP BY date ORDER BY date LIMIT 2"
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)
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assert "INFORMATION_SCHEMA\ndefault\ninformation_schema\nsystem\n" == node.query(
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"SELECT name FROM system.databases ORDER BY name"
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)
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errors_count = node.count_in_log("<Error>")
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assert "0\n" == errors_count or (
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"1\n" == errors_count
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and "1\n" == node.count_in_log("Can't receive Netlink response")
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)
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assert "0\n" == node.count_in_log("<Warning> Database")
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errors_count = node.count_in_log("always include the lines below")
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assert "0\n" == errors_count or (
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"1\n" == errors_count
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and "1\n" == node.count_in_log("Can't receive Netlink response")
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)
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def create_some_tables(db):
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node.query("CREATE TABLE {}.t1 (n int) ENGINE=Memory".format(db))
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node.query(
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"CREATE TABLE {}.mt1 (n int) ENGINE=MergeTree order by n".format(db),
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)
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node.query(
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"CREATE TABLE {}.mt2 (n int) ENGINE=MergeTree order by n".format(db),
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)
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node.query(
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"CREATE TABLE {}.rmt1 (n int, m int) ENGINE=ReplicatedMergeTree('/test/rmt1/{}', '1') order by n".format(
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db, db
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),
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)
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node.query(
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"CREATE TABLE {}.rmt2 (n int, m int) ENGINE=ReplicatedMergeTree('/test/{}/rmt2', '1') order by n".format(
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db, db
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),
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)
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node.exec_in_container(
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[
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"bash",
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"-c",
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f"sed --follow-symlinks -i 's|/test/{db}/rmt2|/test/{{database}}/{{table}}|' /var/lib/clickhouse/metadata/{db}/rmt2.sql",
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]
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)
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node.query(
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"CREATE MATERIALIZED VIEW {}.mv1 (n int) ENGINE=ReplicatedMergeTree('/test/{}/mv1/', '1') order by n AS SELECT n FROM {}.rmt1".format(
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db, db, db
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),
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)
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node.query(
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"CREATE MATERIALIZED VIEW {}.mv2 (n int) ENGINE=MergeTree order by n AS SELECT n FROM {}.rmt2".format(
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db, db
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),
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)
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node.query(
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"CREATE DICTIONARY {}.d1 (n int DEFAULT 0, m int DEFAULT 1) PRIMARY KEY n "
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"SOURCE(CLICKHOUSE(HOST 'localhost' PORT 9000 USER 'default' TABLE 'rmt1' PASSWORD '' DB '{}')) "
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"LIFETIME(MIN 1 MAX 10) LAYOUT(FLAT())".format(db, db)
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)
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node.query(
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"CREATE DICTIONARY {}.d2 (n int DEFAULT 0, m int DEFAULT 1) PRIMARY KEY n "
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"SOURCE(CLICKHOUSE(HOST 'localhost' PORT 9000 USER 'default' TABLE 'rmt2' PASSWORD '' DB '{}')) "
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"LIFETIME(MIN 1 MAX 10) LAYOUT(FLAT())".format(db, db)
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)
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node.query(
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"CREATE TABLE {}.merge (n int) ENGINE=Merge('{}', '(mt)|(mv)')".format(db, db)
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)
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node.query("CREATE TABLE {}.detached (n int) ENGINE=Log".format(db))
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def check_convert_all_dbs_to_atomic():
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node.query(
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"CREATE DATABASE ordinary ENGINE=Ordinary",
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settings={"allow_deprecated_database_ordinary": 1},
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)
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node.query(
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"CREATE DATABASE other ENGINE=Ordinary",
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settings={"allow_deprecated_database_ordinary": 1},
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)
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node.query(
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"CREATE DATABASE `.o r d i n a r y.` ENGINE=Ordinary",
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settings={"allow_deprecated_database_ordinary": 1},
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)
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node.query("CREATE DATABASE atomic ENGINE=Atomic")
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node.query("CREATE DATABASE mem ENGINE=Memory")
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node.query("CREATE DATABASE lazy ENGINE=Lazy(1)")
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tables_with_data = ["mt1", "mt2", "rmt1", "rmt2", "mv1", "mv2", "detached"]
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for db in ["ordinary", "other", "atomic"]:
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create_some_tables(db)
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for table in tables_with_data:
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node.query("INSERT INTO {}.{} (n) VALUES ({})".format(db, table, len(db)))
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node.query(
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"CREATE TABLE `.o r d i n a r y.`.`t. a. b. l. e.` (n int) ENGINE=MergeTree ORDER BY n"
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)
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node.query("CREATE TABLE lazy.table (n int) ENGINE=Log")
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# Introduce some cross dependencies
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node.query(
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"CREATE TABLE ordinary.l (n DEFAULT dictGet('other.d1', 'm', toUInt64(3))) ENGINE=Log"
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)
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node.query(
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"CREATE TABLE other.l (n DEFAULT dictGet('ordinary.d1', 'm', toUInt64(3))) ENGINE=StripeLog"
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)
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node.query(
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"CREATE TABLE atomic.l (n DEFAULT dictGet('ordinary.d1', 'm', toUInt64(3))) ENGINE=TinyLog"
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)
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tables_without_data = ["t1", "d1", "d2", "merge", "l"]
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# 6 tables + 2 inner tables of MVs, each contains 2 rows
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for db in ["ordinary", "other"]:
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assert "12\t{}\n".format(12 * len(db)) == node.query(
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"SELECT count(), sum(n) FROM {}.merge".format(db)
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)
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# 6 tables, MVs contain 2 rows (inner tables does not match regexp)
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assert "8\t{}\n".format(8 * len("atomic")) == node.query(
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"SELECT count(), sum(n) FROM atomic.merge".format(db)
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)
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node.query("DETACH TABLE ordinary.detached PERMANENTLY")
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node.exec_in_container(
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["bash", "-c", f"touch /var/lib/clickhouse/flags/convert_ordinary_to_atomic"]
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)
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node.stop_clickhouse()
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cannot_start = False
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try:
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node.start_clickhouse()
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except:
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cannot_start = True
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assert cannot_start
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node.exec_in_container(
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["bash", "-c", f"rm /var/lib/clickhouse/flags/convert_ordinary_to_atomic"]
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)
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node.start_clickhouse()
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assert "Ordinary\n" == node.query(
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"SELECT engine FROM system.databases where name='ordinary'"
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)
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node.query("ATTACH TABLE ordinary.detached")
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node.exec_in_container(
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["bash", "-c", f"touch /var/lib/clickhouse/flags/convert_ordinary_to_atomic"]
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)
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node.restart_clickhouse()
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assert (
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".o r d i n a r y.\natomic\ndefault\nordinary\nother\nsystem\n"
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== node.query(
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"SELECT name FROM system.databases WHERE engine='Atomic' ORDER BY name"
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)
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)
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assert "Lazy\nMemory\n" == node.query(
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"SELECT engine FROM system.databases WHERE name IN ('mem', 'lazy') ORDER BY name"
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)
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assert "t. a. b. l. e.\n" == node.query("SHOW TABLES FROM `.o r d i n a r y.`")
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assert "table\n" == node.query("SHOW TABLES FROM lazy")
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for db in ["ordinary", "other", "atomic"]:
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assert "\n".join(
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sorted(tables_with_data + tables_without_data) + [""]
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) == node.query("SHOW TABLES FROM {} NOT LIKE '%inner%'".format(db))
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for db in ["ordinary", "other"]:
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assert "8\t{}\n".format(8 * len(db)) == node.query(
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"SELECT count(), sum(n) FROM {}.merge".format(db)
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)
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for db in ["ordinary", "other", "atomic"]:
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for table in tables_with_data:
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node.query(
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"INSERT INTO {}.{} (n) VALUES ({})".format(db, table, len(db) * 3)
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)
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for db in ["ordinary", "other", "atomic"]:
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assert "16\t{}\n".format(16 * len(db) * 2) == node.query(
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"SELECT count(), sum(n) FROM {}.merge".format(db)
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)
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assert "2\t{}\n".format(2 * len(db) * 2) == node.query(
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"SELECT count(), sum(n) FROM {}.detached".format(db)
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)
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def test_convert_ordinary_to_atomic(start_cluster):
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check_convert_system_db_to_atomic()
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check_convert_all_dbs_to_atomic()
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