25 lines
786 B
Plaintext
25 lines
786 B
Plaintext
# TestShardRowIDBitsStep
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drop table if exists shard_t;
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create table shard_t (a int) shard_row_id_bits = 15;
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set @@tidb_shard_allocate_step=3;
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insert into shard_t values (1), (2), (3), (4), (5), (6), (7), (8), (9), (10), (11);
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select count(distinct(_tidb_rowid>>48)) from shard_t;
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truncate table shard_t;
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set @@tidb_shard_allocate_step=5;
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begin;
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insert into shard_t values (1), (2), (3);
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insert into shard_t values (4), (5), (6);
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insert into shard_t values (7), (8), (9);
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insert into shard_t values (10);
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commit;
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select count(distinct(_tidb_rowid>>48)) from shard_t;
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truncate table shard_t;
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insert into shard_t values (10);
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insert into shard_t values (11);
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insert into shard_t values (12);
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select count(distinct(_tidb_rowid>>48)) from shard_t;
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set @@tidb_shard_allocate_step=default;
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