mirror of
https://github.com/GreptimeTeam/greptimedb.git
synced 2026-08-22 22:18:22 +00:00
Ruihang Xia
111 lines
2.9 KiB
SQL
111 lines
2.9 KiB
SQL
CREATE TABLE phy (ts timestamp time index, val double) engine=metric with ("physical_metric_table" = "");
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CREATE TABLE t1 (ts timestamp time index, val double, host string primary key) engine = metric with ("on_physical_table" = "phy");
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INSERT INTO t1 VALUES ('host1',0, 0), ('host2', 1, 1,);
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SELECT * from t1;
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CREATE TABLE t2 (ts timestamp time index, job string primary key, val double) engine = metric with ("on_physical_table" = "phy");
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SELECT * from t2;
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INSERT INTO t2 VALUES ('job1', 0, 0), ('job2', 1, 1);
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SELECT * from t2;
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DROP TABLE t1;
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DROP TABLE t2;
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DESC TABLE phy;
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SELECT ts, val, __tsid, host, job FROM phy;
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DROP TABLE phy;
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-- Value splitting is disabled for last_non_null so the two physical value
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-- columns cannot be merged independently into a stale logical value.
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CREATE TABLE phy_last_non_null (
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ts TIMESTAMP TIME INDEX,
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val DOUBLE
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) ENGINE = metric WITH (
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"physical_metric_table" = "",
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"merge_mode" = "last_non_null"
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);
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CREATE TABLE metric_last_non_null (
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ts TIMESTAMP TIME INDEX,
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val DOUBLE,
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host STRING PRIMARY KEY
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) ENGINE = metric WITH ("on_physical_table" = "phy_last_non_null");
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INSERT INTO metric_last_non_null VALUES ('host1', 1, 1.0);
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ADMIN flush_table('phy_last_non_null');
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INSERT INTO metric_last_non_null VALUES ('host1', 1, 1.5);
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SELECT host, ts, val FROM metric_last_non_null;
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ADMIN flush_table('phy_last_non_null');
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SELECT host, ts, val FROM metric_last_non_null;
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DESC TABLE phy_last_non_null;
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DROP TABLE metric_last_non_null;
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DROP TABLE phy_last_non_null;
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CREATE TABLE phy_default (ts timestamp time index, val double default 42) engine=metric with ("physical_metric_table" = "");
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CREATE TABLE t_default (ts timestamp time index, val double default 42, host string primary key) engine = metric with ("on_physical_table" = "phy_default");
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INSERT INTO t_default (host, ts) VALUES ('host1', 0), ('host2', 1);
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SELECT host, ts, val FROM t_default ORDER BY host;
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-- SQLNESS REPLACE (region\s\d+\(\d+\,\s\d+\)) region
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INSERT INTO t_default (host, val) VALUES ('host3', 3);
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DROP TABLE t_default;
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DROP TABLE phy_default;
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CREATE TABLE phy (
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ts timestamp time index,
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val double
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) engine = metric with (
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"physical_metric_table" = "",
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"memtable.type" = "bulk",
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"primary_key_encoding" = "sparse"
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);
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CREATE TABLE t1 (ts timestamp time index, val double, host string primary key) engine = metric with ("on_physical_table" = "phy");
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INSERT INTO t1 VALUES ('host1',0, 0), ('host2', 1, 1,);
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SELECT * from t1;
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CREATE TABLE t2 (ts timestamp time index, job string primary key, val double) engine = metric with ("on_physical_table" = "phy");
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SELECT * from t2;
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INSERT INTO t2 VALUES ('job1', 0, 0), ('job2', 1, 1);
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SELECT * from t2;
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ADMIN flush_table('phy');
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-- SQLNESS ARG restart=true
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INSERT INTO t2 VALUES ('job3', 0, 0), ('job4', 1, 1);
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SELECT * from t1;
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SELECT * from t2;
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DROP TABLE t1;
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DROP TABLE t2;
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DESC TABLE phy;
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DROP TABLE phy;
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