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47 lines
2.0 KiB
SQL
47 lines
2.0 KiB
SQL
DROP TABLE IF EXISTS modify_sample;
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SET min_insert_block_size_rows = 0, min_insert_block_size_bytes = 0;
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SET max_block_size = 10;
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CREATE TABLE modify_sample (d Date DEFAULT '2000-01-01', x UInt8) ENGINE = MergeTree PARTITION BY d ORDER BY x;
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INSERT INTO modify_sample (x) SELECT toUInt8(number) AS x FROM system.numbers LIMIT 256;
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SELECT count(), min(x), max(x), sum(x), uniqExact(x) FROM modify_sample SAMPLE 0.1; -- { serverError 141 }
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ALTER TABLE modify_sample MODIFY SAMPLE BY x;
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SELECT count(), min(x), max(x), sum(x), uniqExact(x) FROM modify_sample SAMPLE 0.1;
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CREATE TABLE modify_sample_replicated (d Date DEFAULT '2000-01-01', x UInt8, y UInt64) ENGINE = ReplicatedMergeTree('/clickhouse/tables/test_01430', 'modify_sample') PARTITION BY d ORDER BY (x, y);
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INSERT INTO modify_sample_replicated (x, y) SELECT toUInt8(number) AS x, toUInt64(number) as y FROM system.numbers LIMIT 256;
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SELECT count(), min(x), max(x), sum(x), uniqExact(x) FROM modify_sample_replicated SAMPLE 0.1; -- { serverError 141 }
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ALTER TABLE modify_sample_replicated MODIFY SAMPLE BY x;
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SELECT count(), min(x), max(x), sum(x), uniqExact(x) FROM modify_sample_replicated SAMPLE 0.1;
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DETACH TABLE modify_sample_replicated;
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ATTACH TABLE modify_sample_replicated;
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SELECT count(), min(x), max(x), sum(x), uniqExact(x) FROM modify_sample_replicated SAMPLE 0.1;
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ALTER TABLE modify_sample_replicated MODIFY SAMPLE BY d; -- { serverError 36 }
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ALTER TABLE modify_sample_replicated MODIFY SAMPLE BY y;
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SELECT count(), min(y), max(y), sum(y), uniqExact(y) FROM modify_sample_replicated SAMPLE 0.1;
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DETACH TABLE modify_sample_replicated;
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ATTACH TABLE modify_sample_replicated;
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SELECT count(), min(y), max(y), sum(y), uniqExact(y) FROM modify_sample_replicated SAMPLE 0.1;
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CREATE TABLE modify_sample_old (d Date DEFAULT '2000-01-01', x UInt8, y UInt64) ENGINE = MergeTree(d, (x, y), 8192);
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ALTER TABLE modify_sample_old MODIFY SAMPLE BY x; -- { serverError 36 }
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DROP TABLE modify_sample;
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DROP TABLE modify_sample_replicated;
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DROP TABLE modify_sample_old;
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