mirror of
https://github.com/GreptimeTeam/greptimedb.git
synced 2026-05-16 13:00:40 +00:00
127 lines
4.7 KiB
Plaintext
127 lines
4.7 KiB
Plaintext
create table demo(ts timestamp time index, `value` double, host string,idc string, collector string, primary key(host, idc, collector));
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Affected Rows: 0
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insert into demo values(1,2,'test1', 'idc1', 'disk') ,(2,3,'test2', 'idc1', 'disk'), (3,4,'test3', 'idc2','memory');
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Affected Rows: 3
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select * from demo where host='test1';
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+-------------------------+-------+-------+------+-----------+
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| ts | value | host | idc | collector |
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+-------------------------+-------+-------+------+-----------+
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| 1970-01-01T00:00:00.001 | 2.0 | test1 | idc1 | disk |
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+-------------------------+-------+-------+------+-----------+
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select * from demo where host='test2';
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+-------------------------+-------+-------+------+-----------+
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| ts | value | host | idc | collector |
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+-------------------------+-------+-------+------+-----------+
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| 1970-01-01T00:00:00.002 | 3.0 | test2 | idc1 | disk |
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+-------------------------+-------+-------+------+-----------+
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select * from demo where host='test3';
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+-------------------------+-------+-------+------+-----------+
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| ts | value | host | idc | collector |
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+-------------------------+-------+-------+------+-----------+
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| 1970-01-01T00:00:00.003 | 4.0 | test3 | idc2 | memory |
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+-------------------------+-------+-------+------+-----------+
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select * from demo where host='test2' and idc='idc1';
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+-------------------------+-------+-------+------+-----------+
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| ts | value | host | idc | collector |
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+-------------------------+-------+-------+------+-----------+
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| 1970-01-01T00:00:00.002 | 3.0 | test2 | idc1 | disk |
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+-------------------------+-------+-------+------+-----------+
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select * from demo where host='test2' and idc='idc1' and collector='disk';
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+-------------------------+-------+-------+------+-----------+
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| ts | value | host | idc | collector |
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+-------------------------+-------+-------+------+-----------+
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| 1970-01-01T00:00:00.002 | 3.0 | test2 | idc1 | disk |
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+-------------------------+-------+-------+------+-----------+
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select * from demo where host='test2' and idc='idc2';
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++
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++
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select * from demo where host='test3' and idc>'idc1';
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+-------------------------+-------+-------+------+-----------+
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| ts | value | host | idc | collector |
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+-------------------------+-------+-------+------+-----------+
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| 1970-01-01T00:00:00.003 | 4.0 | test3 | idc2 | memory |
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+-------------------------+-------+-------+------+-----------+
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select * from demo where idc='idc1' order by ts;
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+-------------------------+-------+-------+------+-----------+
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| ts | value | host | idc | collector |
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+-------------------------+-------+-------+------+-----------+
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| 1970-01-01T00:00:00.001 | 2.0 | test1 | idc1 | disk |
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| 1970-01-01T00:00:00.002 | 3.0 | test2 | idc1 | disk |
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+-------------------------+-------+-------+------+-----------+
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select * from demo where collector='disk' order by ts;
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+-------------------------+-------+-------+------+-----------+
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| ts | value | host | idc | collector |
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+-------------------------+-------+-------+------+-----------+
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| 1970-01-01T00:00:00.001 | 2.0 | test1 | idc1 | disk |
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| 1970-01-01T00:00:00.002 | 3.0 | test2 | idc1 | disk |
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+-------------------------+-------+-------+------+-----------+
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-- SQLNESS REPLACE (-+) -
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-- SQLNESS REPLACE (\s\s+) _
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-- SQLNESS REPLACE (peers.*) REDACTED
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-- SQLNESS REPLACE (metrics.*) REDACTED
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-- SQLNESS REPLACE region=\d+\(\d+,\s+\d+\) region=REDACTED
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explain analyze select * from demo where idc='idc1';
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+-+-+-+
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| stage | node | plan_|
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+-+-+-+
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| 0_| 0_|_MergeScanExec: REDACTED
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|_|_|_|
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| 1_| 0_|_SeqScan: region=REDACTED, partition_count=1 (1 memtable ranges, 0 file 0 ranges) REDACTED
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|_|_|_|
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|_|_| Total rows: 2_|
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+-+-+-+
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SELECT * FROM demo where host in ('test1');
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+-------------------------+-------+-------+------+-----------+
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| ts | value | host | idc | collector |
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+-------------------------+-------+-------+------+-----------+
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| 1970-01-01T00:00:00.001 | 2.0 | test1 | idc1 | disk |
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+-------------------------+-------+-------+------+-----------+
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-- SQLNESS REPLACE (metrics.*) REDACTED
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-- SQLNESS REPLACE (RoundRobinBatch.*) REDACTED
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-- SQLNESS REPLACE (-+) -
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-- SQLNESS REPLACE (\s\s+) _
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-- SQLNESS REPLACE (peers.*) REDACTED
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-- SQLNESS REPLACE region=\d+\(\d+,\s+\d+\) region=REDACTED
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explain analyze SELECT * FROM demo where host in ('test1');
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+-+-+-+
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| stage | node | plan_|
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+-+-+-+
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| 0_| 0_|_MergeScanExec: REDACTED
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|_|_|_|
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| 1_| 0_|_SeqScan: region=REDACTED, partition_count=1 (1 memtable ranges, 0 file 0 ranges) REDACTED
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|_|_|_|
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|_|_| Total rows: 1_|
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+-+-+-+
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drop table demo;
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Affected Rows: 0
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