mirror of
https://github.com/GreptimeTeam/greptimedb.git
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4337e20010
* feat: impl label_join and label_replace for promql * chore: style * fix: dst_label is eqauls to src_label * fix: forgot to sort the results * fix: processing empty source label
56 lines
1.8 KiB
SQL
56 lines
1.8 KiB
SQL
CREATE TABLE test (
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ts timestamp(3) time index,
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host STRING,
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idc STRING,
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val BIGINT,
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PRIMARY KEY(host, idc),
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);
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INSERT INTO TABLE test VALUES
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(0, 'host1', 'idc1', 1),
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(0, 'host2', 'idc1', 2),
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(5000, 'host1', 'idc2:zone1',3),
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(5000, 'host2', 'idc2',4),
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(10000, 'host1', 'idc3:zone2',5),
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(10000, 'host2', 'idc3',6),
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(15000, 'host1', 'idc4:zone3',7),
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(15000, 'host2', 'idc4',8);
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-- Missing source labels --
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TQL EVAL (0, 15, '5s') label_join(test{host="host1"}, "new_host", "-");
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-- dst_label is equal to source label --
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-- SQLNESS SORT_RESULT 3 1
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TQL EVAL (0, 15, '5s') label_join(test{host="host1"}, "host", "-", "host");
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-- dst_label is in source labels --
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-- SQLNESS SORT_RESULT 3 1
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TQL EVAL (0, 15, '5s') label_join(test{host="host1"}, "host", "-", "idc", "host");
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-- test the empty source label --
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-- SQLNESS SORT_RESULT 3 1
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TQL EVAL (0, 15, '5s') label_join(test{host="host1"}, "host", "-", "");
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-- SQLNESS SORT_RESULT 3 1
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TQL EVAL (0, 15, '5s') label_join(test{host="host1"}, "new_host", "-", "idc", "host");
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-- SQLNESS SORT_RESULT 3 1
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TQL EVAL (0, 15, '5s') label_replace(test{host="host1"}, "new_idc", "$2", "idc", "(.*):(.*)");
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-- SQLNESS SORT_RESULT 3 1
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TQL EVAL (0, 15, '5s') label_replace(test{host="host1"}, "new_idc", "idc99", "idc", "idc2.*");
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-- SQLNESS SORT_RESULT 3 1
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TQL EVAL (0, 15, '5s') label_replace(test{host="host2"}, "new_idc", "$2", "idc", "(.*):(.*)");
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-- dst_label is equal to source label --
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-- SQLNESS SORT_RESULT 3 1
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TQL EVAL (0, 15, '5s') label_replace(test{host="host2"}, "idc", "$2", "idc", "(.*):(.*)");
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-- test the empty source label --
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-- TODO(dennis): we can't remove the label currently --
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-- SQLNESS SORT_RESULT 3 1
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TQL EVAL (0, 15, '5s') label_replace(test{host="host2"}, "idc", "", "", "");
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DROP TABLE test;
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