CREATE TABLE my_table ( a INT PRIMARY KEY, b STRING, ts TIMESTAMP TIME INDEX, ) PARTITION ON COLUMNS (a) ( a < 1000, a >= 1000 AND a < 2000, a >= 2000 ); -- SQLNESS REPLACE (\d{13}) ID 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; -- SQLNESS REPLACE (\d{13}) REGION_ID -- SQLNESS REPLACE (\d{1}) PEER_ID SELECT region_id, peer_id, is_leader, status FROM information_schema.region_peers ORDER BY peer_id; INSERT INTO my_table VALUES (100, 'a', 1), (200, 'b', 2), (1100, 'c', 3), (1200, 'd', 4), (2000, 'e', 5), (2100, 'f', 6), (2200, 'g', 7), (2400, 'h', 8); -- SQLNESS SORT_RESULT 3 1 SELECT * FROM my_table; DELETE FROM my_table WHERE a < 150; -- SQLNESS SORT_RESULT 3 1 SELECT * FROM my_table; DELETE FROM my_table WHERE a < 2200 AND a > 1500; -- SQLNESS SORT_RESULT 3 1 SELECT * FROM my_table; DELETE FROM my_table WHERE a < 2500; SELECT * FROM my_table; DROP TABLE my_table; CREATE TABLE my_table ( a INT PRIMARY KEY, b STRING, ts TIMESTAMP TIME INDEX, ) PARTITION ON COLUMNS (a) (); -- SQLNESS REPLACE (\d{13}) ID 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; -- SQLNESS REPLACE (\d{13}) REGION_ID -- SQLNESS REPLACE (\d{1}) PEER_ID SELECT region_id, peer_id, is_leader, status FROM information_schema.region_peers ORDER BY peer_id; INSERT INTO my_table VALUES (100, 'a', 1), (200, 'b', 2), (1100, 'c', 3), (1200, 'd', 4), (2000, 'e', 5), (2100, 'f', 6), (2200, 'g', 7), (2400, 'h', 8); -- SQLNESS SORT_RESULT 3 1 SELECT * FROM my_table; DROP TABLE my_table; -- incorrect partition rule CREATE TABLE invalid_rule ( a INT PRIMARY KEY, b STRING, ts TIMESTAMP TIME INDEX, ) PARTITION ON COLUMNS (a) ( a < 10, a > 10 AND a < 20, a >= 20 ); -- Issue https://github.com/GreptimeTeam/greptimedb/issues/4247 -- Partition rule with unary operator CREATE TABLE `molestiAe` ( `sImiLiQUE` FLOAT NOT NULL, `amEt` TIMESTAMP(6) TIME INDEX, `EXpLICaBo` DOUBLE, PRIMARY KEY (`sImiLiQUE`) ) PARTITION ON COLUMNS (`sImiLiQUE`) ( `sImiLiQUE` < -1, `sImiLiQUE` >= -1 AND `sImiLiQUE` < -0, `sImiLiQUE` >= 0 ); INSERT INTO `molestiAe` VALUES (-2, 0, 0), (-0.9, 0, 0), (1, 0, 0); -- SQLNESS SORT_RESULT 3 1 SELECT * FROM `molestiAe`; DROP TABLE `molestiAe`;