ClickHouse/dbms/tests/queries/0_stateless/01062_alter_on_mutataion.sql

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DROP TABLE IF EXISTS test_alter_on_mutation;
CREATE TABLE test_alter_on_mutation
(
date Date,
key UInt64,
value String
)
ENGINE ReplicatedMergeTree('/clickhouse/tables/test_alter_on_mutation', '1')
ORDER BY key PARTITION BY date;
INSERT INTO test_alter_on_mutation select toDate('2020-01-05'), number, toString(number) from system.numbers limit 100;
INSERT INTO test_alter_on_mutation select toDate('2020-01-06'), number, toString(number) from system.numbers limit 100;
INSERT INTO test_alter_on_mutation select toDate('2020-01-07'), number, toString(number) from system.numbers limit 100;
SELECT sum(cast(value as UInt64)) from test_alter_on_mutation;
ALTER TABLE test_alter_on_mutation MODIFY COLUMN value UInt64;
SELECT sum(value) from test_alter_on_mutation;
INSERT INTO test_alter_on_mutation select toDate('2020-01-05'), number, toString(number) from system.numbers limit 100, 100;
INSERT INTO test_alter_on_mutation select toDate('2020-01-06'), number, toString(number) from system.numbers limit 100, 100;
INSERT INTO test_alter_on_mutation select toDate('2020-01-07'), number, toString(number) from system.numbers limit 100, 100;
OPTIMIZE TABLE test_alter_on_mutation FINAL;
SELECT sum(value) from test_alter_on_mutation;
ALTER TABLE test_alter_on_mutation MODIFY COLUMN value String;
SELECT sum(cast(value as UInt64)) from test_alter_on_mutation;
OPTIMIZE TABLE test_alter_on_mutation FINAL;
SELECT sum(cast(value as UInt64)) from test_alter_on_mutation;
ALTER TABLE test_alter_on_mutation ADD COLUMN value1 Float64;
SELECT sum(value1) from test_alter_on_mutation;
ALTER TABLE test_alter_on_mutation DROP COLUMN value;
SELECT sum(value) from test_alter_on_mutation; -- {serverError 47}
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ALTER TABLE test_alter_on_mutation ADD COLUMN value String DEFAULT '10';
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SELECT sum(cast(value as UInt64)) from test_alter_on_mutation;
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-- TODO(alesap)
OPTIMIZE table test_alter_on_mutation FINAL;
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ALTER TABLE test_alter_on_mutation MODIFY COLUMN value UInt64;
SELECT sum(value) from test_alter_on_mutation;
DROP TABLE IF EXISTS test_alter_on_mutation;
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DROP TABLE IF EXISTS nested_alter;
CREATE TABLE nested_alter (`d` Date, `k` UInt64, `i32` Int32, `dt` DateTime, `n.ui8` Array(UInt8), `n.s` Array(String), `n.d` Array(Date), `s` String DEFAULT '0') ENGINE = ReplicatedMergeTree('/clickhouse/tables/nested_alter', 'r2', d, k, 8192);
INSERT INTO nested_alter VALUES ('2015-01-01', 6,38,'2014-07-15 13:26:50',[10,20,30],['asd','qwe','qwe'],['2000-01-01','2000-01-01','2000-01-03'],'100500');
SELECT * FROM nested_alter;
ALTER TABLE nested_alter DROP COLUMN `n.d`;
SELECT * FROM nested_alter;
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DROP TABLE nested_alter;