ClickHouse/dbms/tests/queries/0_stateless/00061_merge_tree_alter.sql

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DROP TABLE IF EXISTS test.alter_00061;
CREATE TABLE test.alter_00061 (d Date, k UInt64, i32 Int32) ENGINE=MergeTree(d, k, 8192);
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INSERT INTO test.alter_00061 VALUES ('2015-01-01', 10, 42);
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DESC TABLE test.alter_00061;
SHOW CREATE TABLE test.alter_00061;
SELECT * FROM test.alter_00061 ORDER BY k;
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ALTER TABLE test.alter_00061 ADD COLUMN n Nested(ui8 UInt8, s String);
INSERT INTO test.alter_00061 VALUES ('2015-01-01', 8, 40, [1,2,3], ['12','13','14']);
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DESC TABLE test.alter_00061;
SHOW CREATE TABLE test.alter_00061;
SELECT * FROM test.alter_00061 ORDER BY k;
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ALTER TABLE test.alter_00061 ADD COLUMN `n.d` Array(Date);
INSERT INTO test.alter_00061 VALUES ('2015-01-01', 7, 39, [10,20,30], ['120','130','140'],['2000-01-01','2000-01-01','2000-01-03']);
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DESC TABLE test.alter_00061;
SHOW CREATE TABLE test.alter_00061;
SELECT * FROM test.alter_00061 ORDER BY k;
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ALTER TABLE test.alter_00061 ADD COLUMN s String DEFAULT '0';
INSERT INTO test.alter_00061 VALUES ('2015-01-01', 6,38,[10,20,30],['asd','qwe','qwe'],['2000-01-01','2000-01-01','2000-01-03'],'100500');
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DESC TABLE test.alter_00061;
SHOW CREATE TABLE test.alter_00061;
SELECT * FROM test.alter_00061 ORDER BY k;
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ALTER TABLE test.alter_00061 DROP COLUMN `n.d`, MODIFY COLUMN s Int64;
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DESC TABLE test.alter_00061;
SHOW CREATE TABLE test.alter_00061;
SELECT * FROM test.alter_00061 ORDER BY k;
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ALTER TABLE test.alter_00061 ADD COLUMN `n.d` Array(Date), MODIFY COLUMN s UInt32;
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DESC TABLE test.alter_00061;
SHOW CREATE TABLE test.alter_00061;
SELECT * FROM test.alter_00061 ORDER BY k;
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OPTIMIZE TABLE test.alter_00061;
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SELECT * FROM test.alter_00061 ORDER BY k;
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ALTER TABLE test.alter_00061 DROP COLUMN n.ui8, DROP COLUMN n.d;
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DESC TABLE test.alter_00061;
SHOW CREATE TABLE test.alter_00061;
SELECT * FROM test.alter_00061 ORDER BY k;
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ALTER TABLE test.alter_00061 DROP COLUMN n.s;
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DESC TABLE test.alter_00061;
SHOW CREATE TABLE test.alter_00061;
SELECT * FROM test.alter_00061 ORDER BY k;
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ALTER TABLE test.alter_00061 ADD COLUMN n.s Array(String), ADD COLUMN n.d Array(Date);
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DESC TABLE test.alter_00061;
SHOW CREATE TABLE test.alter_00061;
SELECT * FROM test.alter_00061 ORDER BY k;
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ALTER TABLE test.alter_00061 DROP COLUMN n;
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DESC TABLE test.alter_00061;
SHOW CREATE TABLE test.alter_00061;
SELECT * FROM test.alter_00061 ORDER BY k;
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DROP TABLE test.alter_00061;