mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-20 13:15:42 +00:00
171 lines
3.1 KiB
SQL
171 lines
3.1 KiB
SQL
DROP TABLE IF EXISTS test;
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CREATE TABLE test
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(
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EventDate Date
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)
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ENGINE = MergeTree
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ORDER BY tuple()
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PARTITION BY toMonday(EventDate);
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INSERT INTO test VALUES(toDate('2023-10-09'));
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ALTER TABLE test DROP PARTITION ('2023-10-09');
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SELECT count() FROM test;
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INSERT INTO test VALUES(toDate('2023-10-09'));
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ALTER TABLE test DROP PARTITION (('2023-10-09'));
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SELECT count() FROM test;
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INSERT INTO test VALUES(toDate('2023-10-09'));
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ALTER TABLE test DROP PARTITION '2023-10-09';
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SELECT count() FROM test;
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INSERT INTO test VALUES(toDate('2023-10-09'));
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SET param_partition='2023-10-09';
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ALTER TABLE test DROP PARTITION {partition:String};
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SELECT count() FROM test;
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INSERT INTO test VALUES(toDate('2023-10-09'));
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ALTER TABLE test DROP PARTITION tuple(toMonday({partition:Date}));
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SELECT count() FROM test;
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INSERT INTO test VALUES(toDate('2023-10-09'));
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-- for some reason only tuples are allowed as non-string arguments
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ALTER TABLE test DROP PARTITION toMonday({partition:String}); --{clientError SYNTAX_ERROR}
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set param_partition_id = '20231009';
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ALTER TABLE test DROP PARTITION ID {partition_id:String};
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SELECT count() FROM test;
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INSERT INTO test VALUES(toDate('2023-10-09'));
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ALTER TABLE test DROP PARTITION {partition:Date};
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SELECT count() FROM test;
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DROP TABLE IF EXISTS test;
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DROP TABLE IF EXISTS test2;
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CREATE TABLE test2
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(
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a UInt32,
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b Int64
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)
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ENGINE = MergeTree
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ORDER BY tuple()
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PARTITION BY (a * b, b * b);
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INSERT INTO test2 VALUES(1, 2);
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ALTER TABLE test2 DROP PARTITION tuple(2, 4);
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SELECT count() FROM test2;
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INSERT INTO test2 VALUES(1, 2);
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ALTER TABLE test2 DROP PARTITION (2, 4);
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SELECT count() FROM test2;
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INSERT INTO test2 VALUES(1, 2);
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SET param_first='2';
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SET param_second='4';
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ALTER TABLE test2 DROP PARTITION tuple({first:UInt32},{second:Int64});
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SELECT count() FROM test2;
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DROP TABLE IF EXISTS test2;
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DROP TABLE IF EXISTS test3;
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CREATE TABLE test3
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(
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a UInt32,
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b Int64
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)
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ENGINE = MergeTree
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ORDER BY tuple()
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PARTITION BY a;
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INSERT INTO test3 VALUES(1, 2);
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SET param_simple='1';
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ALTER TABLE test3 DROP PARTITION {simple:String};
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SELECT count() FROM test3;
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DROP TABLE IF EXISTS test3;
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DROP TABLE IF EXISTS test4;
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CREATE TABLE test4 (EventDate Date) ENGINE = MergeTree() ORDER BY tuple() PARTITION BY EventDate;
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INSERT INTO test4 VALUES(toDate('2023-10-09'));
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SET param_partition='2023-10-09';
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ALTER TABLE test4 ON CLUSTER 'test_shard_localhost' DROP PARTITION {partition:String} FORMAT Null;
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SELECT count() FROM test4;
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DROP TABLE IF EXISTS test4;
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DROP TABLE IF EXISTS test5;
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CREATE TABLE test5
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(
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a UInt32,
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b Int64
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)
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ENGINE = MergeTree
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ORDER BY tuple()
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PARTITION BY (a, b);
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INSERT INTO test5 VALUES(1, 2);
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SET param_f='1';
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SET param_s='2';
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ALTER TABLE test5 DROP PARTITION ({f:UInt32}, 2);
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SELECT count() FROM test5;
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DROP TABLE IF EXISTS test5;
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DROP TABLE IF EXISTS test6;
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CREATE TABLE test6
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(
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a UInt32,
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b Int64
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)
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ENGINE = MergeTree
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ORDER BY tuple()
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PARTITION BY (a, b);
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INSERT INTO test6 VALUES(1, 2);
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SET param_tuple=(1, 2);
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ALTER TABLE test6 DROP PARTITION {tuple:Tuple(UInt32, Int64)};
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SELECT count() FROM test6;
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DROP TABLE IF EXISTS test6;
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