mirror of
https://github.com/GreptimeTeam/greptimedb.git
synced 2026-01-14 01:02:55 +00:00
179c8c716c
* feat: define region scanner * feat: single partition scanner * feat: use single partition scanner * feat: implement ExecutionPlan wip * feat: mito engine returns single partition scanner * feat: implement DisplayAs for region server * feat: dummy table provider use handle_partitioned_query() * test: update sqlness test * feat: table provider use ReadFromRegion * refactor: remove StreamScanAdapter * chore: update lock * style: fix clippy * refactor: remove handle_query from the RegionEngine trait * chore: address CR comments * refactor: rename methods * refactor: rename ReadFromRegion to RegionScanExec
47 lines
1.2 KiB
Plaintext
47 lines
1.2 KiB
Plaintext
CREATE TABLE system_metrics (
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host STRING,
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idc STRING,
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cpu_util DOUBLE,
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memory_util DOUBLE,
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disk_util DOUBLE,
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ts TIMESTAMP DEFAULT CURRENT_TIMESTAMP(),
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PRIMARY KEY(host, idc),
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TIME INDEX(ts)
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);
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Affected Rows: 0
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INSERT INTO system_metrics
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VALUES
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("host1", "idc_a", 11.8, 10.3, 10.3, 1667446797450),
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("host2", "idc_a", 80.0, 70.3, 90.0, 1667446797450),
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("host1", "idc_b", 50.0, 66.7, 40.6, 1667446797450);
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Affected Rows: 3
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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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explain analyze SELECT count(*) FROM system_metrics;
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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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| 1_| 0_|_AggregateExec: mode=Final, gby=[], aggr=[COUNT(greptime.public.system_REDACTED
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|_|_|_CoalescePartitionsExec REDACTED
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|_|_|_AggregateExec: mode=Partial, gby=[], aggr=[COUNT(greptime.public.system_REDACTED
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|_|_|_RepartitionExec: partitioning=REDACTED
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|_|_|_SinglePartitionScanner: <SendableRecordBatchStream> REDACTED
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|_|_| Total rows: 1_|
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+-+-+-+
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drop table system_metrics;
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Affected Rows: 0
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