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72 lines
2.6 KiB
SQL
72 lines
2.6 KiB
SQL
DROP TABLE IF EXISTS test_alter_on_mutation;
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CREATE TABLE test_alter_on_mutation
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(
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date Date,
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key UInt64,
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value String
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)
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ENGINE ReplicatedMergeTree('/clickhouse/tables/test_alter_on_mutation', '1')
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ORDER BY key PARTITION BY date;
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INSERT INTO test_alter_on_mutation select toDate('2020-01-05'), number, toString(number) from system.numbers limit 100;
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INSERT INTO test_alter_on_mutation select toDate('2020-01-06'), number, toString(number) from system.numbers limit 100;
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INSERT INTO test_alter_on_mutation select toDate('2020-01-07'), number, toString(number) from system.numbers limit 100;
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SELECT sum(cast(value as UInt64)) from test_alter_on_mutation;
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ALTER TABLE test_alter_on_mutation MODIFY COLUMN value UInt64;
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SELECT sum(value) from test_alter_on_mutation;
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INSERT INTO test_alter_on_mutation select toDate('2020-01-05'), number, toString(number) from system.numbers limit 100, 100;
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INSERT INTO test_alter_on_mutation select toDate('2020-01-06'), number, toString(number) from system.numbers limit 100, 100;
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INSERT INTO test_alter_on_mutation select toDate('2020-01-07'), number, toString(number) from system.numbers limit 100, 100;
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OPTIMIZE TABLE test_alter_on_mutation FINAL;
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SELECT sum(value) from test_alter_on_mutation;
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ALTER TABLE test_alter_on_mutation MODIFY COLUMN value String;
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SELECT sum(cast(value as UInt64)) from test_alter_on_mutation;
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OPTIMIZE TABLE test_alter_on_mutation FINAL;
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SELECT sum(cast(value as UInt64)) from test_alter_on_mutation;
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ALTER TABLE test_alter_on_mutation ADD COLUMN value1 Float64;
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SELECT sum(value1) from test_alter_on_mutation;
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ALTER TABLE test_alter_on_mutation DROP COLUMN value;
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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)
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OPTIMIZE table test_alter_on_mutation FINAL;
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ALTER TABLE test_alter_on_mutation MODIFY COLUMN value UInt64;
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SELECT sum(value) from test_alter_on_mutation;
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DROP TABLE IF EXISTS test_alter_on_mutation;
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DROP TABLE IF EXISTS nested_alter;
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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);
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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');
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SELECT * FROM nested_alter;
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ALTER TABLE nested_alter DROP COLUMN `n.d`;
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SELECT * FROM nested_alter;
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DROP TABLE nested_alter;
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