mirror of
https://github.com/GreptimeTeam/greptimedb.git
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84 lines
2.0 KiB
SQL
84 lines
2.0 KiB
SQL
CREATE TABLE my_table (
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a INT PRIMARY KEY,
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b STRING,
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ts TIMESTAMP TIME INDEX,
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)
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PARTITION ON COLUMNS (a) (
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a < 1000,
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a >= 1000 AND a < 2000,
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a >= 2000
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);
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-- SQLNESS REPLACE (\d{13}) ID
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SELECT table_catalog, table_schema, table_name, partition_name, partition_expression, greptime_partition_id from information_schema.partitions WHERE table_name = 'my_table' ORDER BY table_catalog, table_schema, table_name, partition_name;
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-- SQLNESS REPLACE (\d{13}) REGION_ID
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-- SQLNESS REPLACE (\d{1}) PEER_ID
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SELECT region_id, peer_id, is_leader, status FROM information_schema.region_peers ORDER BY peer_id;
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INSERT INTO my_table VALUES
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(100, 'a', 1),
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(200, 'b', 2),
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(1100, 'c', 3),
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(1200, 'd', 4),
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(2000, 'e', 5),
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(2100, 'f', 6),
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(2200, 'g', 7),
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(2400, 'h', 8);
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SELECT * FROM my_table;
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DELETE FROM my_table WHERE a < 150;
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SELECT * FROM my_table;
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DELETE FROM my_table WHERE a < 2200 AND a > 1500;
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SELECT * FROM my_table;
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DELETE FROM my_table WHERE a < 2500;
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SELECT * FROM my_table;
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DROP TABLE my_table;
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CREATE TABLE my_table (
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a INT PRIMARY KEY,
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b STRING,
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ts TIMESTAMP TIME INDEX,
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)
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PARTITION ON COLUMNS (a) ();
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-- SQLNESS REPLACE (\d{13}) ID
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SELECT table_catalog, table_schema, table_name, partition_name, partition_expression, greptime_partition_id from information_schema.partitions WHERE table_name = 'my_table' ORDER BY table_catalog, table_schema, table_name, partition_name;
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-- SQLNESS REPLACE (\d{13}) REGION_ID
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-- SQLNESS REPLACE (\d{1}) PEER_ID
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SELECT region_id, peer_id, is_leader, status FROM information_schema.region_peers ORDER BY peer_id;
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INSERT INTO my_table VALUES
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(100, 'a', 1),
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(200, 'b', 2),
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(1100, 'c', 3),
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(1200, 'd', 4),
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(2000, 'e', 5),
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(2100, 'f', 6),
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(2200, 'g', 7),
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(2400, 'h', 8);
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SELECT * FROM my_table;
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DROP TABLE my_table;
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-- incorrect partition rule
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CREATE TABLE invalid_rule (
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a INT PRIMARY KEY,
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b STRING,
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ts TIMESTAMP TIME INDEX,
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)
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PARTITION ON COLUMNS (a) (
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a < 10,
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a > 10 AND a < 20,
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a >= 20
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);
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