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Simple test

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alesapin 2020-01-15 16:51:23 +03:00
parent 92648955c4
commit fb7c65c9aa
2 changed files with 58 additions and 0 deletions
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dbms/tests/queries/0_stateless/01062_alter_on_mutataion.reference Normal file
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dbms/tests/queries/0_stateless/01062_alter_on_mutataion.sql Normal file
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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}
-- this is bug
ALTER TABLE test_alter_on_mutation ADD COLUMN value String DEFAULT '0';
SELECT sum(cast(value as UInt64)) from test_alter_on_mutation;
--DROP TABLE IF EXISTS test_alter_on_mutation;