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26 lines
982 B
MySQL
26 lines
982 B
MySQL
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DROP TABLE IF EXISTS shards CASCADE;
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CREATE TABLE shards (
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id BIGINT,
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value VARCHAR
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) PARTITION BY HASH (id);
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-- DROP TABLE IF EXISTS shard_0;
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CREATE TABLE shard_0 PARTITION OF shards FOR VALUES WITH (MODULUS 5, REMAINDER 0);
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-- DROP TABLE IF EXISTS shard_1;
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CREATE TABLE shard_1 PARTITION OF shards FOR VALUES WITH (MODULUS 5, REMAINDER 1);
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-- DROP TABLE IF EXISTS shard_2;
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CREATE TABLE shard_2 PARTITION OF shards FOR VALUES WITH (MODULUS 5, REMAINDER 2);
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-- DROP TABLE IF EXISTS shard_3;
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CREATE TABLE shard_3 PARTITION OF shards FOR VALUES WITH (MODULUS 5, REMAINDER 3);
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-- DROP TABLE IF EXISTS shard_4;
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CREATE TABLE shard_4 PARTITION OF shards FOR VALUES WITH (MODULUS 5, REMAINDER 4);
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INSERT INTO shards SELECT generate_series(1, 500), 'value';
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SELECT * FROM shard_0 ORDER BY id LIMIT 10;
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SELECT * FROM shard_1 ORDER BY id LIMIT 10;
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SELECT * FROM shard_2 ORDER BY id LIMIT 10;
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SELECT * FROM shard_3 ORDER BY id LIMIT 10;
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SELECT * FROM shard_4 ORDER BY id LIMIT 10;
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