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https://github.com/GreptimeTeam/greptimedb.git
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7727508485
* feat: impl interval type in common time
* feat: impl datatype, vectors, value for interval
pick 0c1d9f297 feat: impl interval type in common time
pick d528c647f feat: impl datatype, vectors, value for interval
pick 1e12dd5c7 comments update
pick 74103e36c add license header
* comments update
* add license header
* cargo clippy
* refactor interval type
* add unit test and case to dummy.sql
* cargo clippy
* chore: add doc comments
* chore: cargo fmt
* feat: add formats, refactor comparison
* add docs comments
* Apply suggestions from code review
Co-authored-by: Yingwen <realevenyag@gmail.com>
* chore: cr comment
---------
Co-authored-by: Yingwen <realevenyag@gmail.com>
130 lines
3.8 KiB
Plaintext
130 lines
3.8 KiB
Plaintext
select 1;
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+----------+
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| Int64(1) |
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+----------+
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| 1 |
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+----------+
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select 2 + 3;
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+---------------------+
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| Int64(2) + Int64(3) |
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+---------------------+
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| 5 |
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+---------------------+
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select 4 + 0.5;
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+-------------------------+
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| Int64(4) + Float64(0.5) |
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+-------------------------+
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| 4.5 |
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+-------------------------+
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select "a";
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Error: 3000(PlanQuery), No field named a.
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select "A";
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Error: 3000(PlanQuery), No field named "A".
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select * where "a" = "A";
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Error: 3000(PlanQuery), No field named a.
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select TO_UNIXTIME('2023-03-01T06:35:02Z');
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+-------------------------------------------+
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| to_unixtime(Utf8("2023-03-01T06:35:02Z")) |
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+-------------------------------------------+
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| 1677652502 |
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+-------------------------------------------+
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select TO_UNIXTIME(2);
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+-----------------------+
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| to_unixtime(Int64(2)) |
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+-----------------------+
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| 2 |
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+-----------------------+
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create table test_unixtime(a int, b timestamp time index);
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Affected Rows: 0
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DESC TABLE test_unixtime;
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+-------+----------------------+------+---------+---------------+
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| Field | Type | Null | Default | Semantic Type |
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+-------+----------------------+------+---------+---------------+
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| a | Int32 | YES | | FIELD |
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| b | TimestampMillisecond | NO | | TIME INDEX |
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+-------+----------------------+------+---------+---------------+
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insert into test_unixtime values(27, 27);
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Affected Rows: 1
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select * from test_unixtime;
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+----+-------------------------+
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| a | b |
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+----+-------------------------+
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| 27 | 1970-01-01T00:00:00.027 |
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+----+-------------------------+
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select a from test_unixtime;
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+----+
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| a |
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+----+
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| 27 |
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+----+
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select b from test_unixtime;
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+-------------------------+
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| b |
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+-------------------------+
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| 1970-01-01T00:00:00.027 |
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+-------------------------+
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select TO_UNIXTIME(b) from test_unixtime;
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+------------------------------+
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| to_unixtime(test_unixtime.b) |
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+------------------------------+
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| 27 |
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+------------------------------+
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DROP TABLE test_unixtime;
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Affected Rows: 1
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select INTERVAL '1 year 2 months 3 days 4 hours 5 minutes 6 seconds 100 microseconds';
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+---------------------------------------------------------+
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| IntervalMonthDayNano("1109194275255040973236744059552") |
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+---------------------------------------------------------+
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| 0 years 14 mons 3 days 4 hours 5 mins 6.000100000 secs |
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+---------------------------------------------------------+
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select INTERVAL '1 year 2 months 3 days 4 hours' + INTERVAL '1 year';
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+------------------------------------------------------------------------------------------------------------------+
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| IntervalMonthDayNano("1109194275255040972930743959552") + IntervalMonthDayNano("950737950171172051122527404032") |
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+------------------------------------------------------------------------------------------------------------------+
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| 0 years 26 mons 3 days 4 hours 0 mins 0.000000000 secs |
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+------------------------------------------------------------------------------------------------------------------+
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select INTERVAL '1 year 2 months 3 days 4 hours' - INTERVAL '1 year';
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+------------------------------------------------------------------------------------------------------------------+
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| IntervalMonthDayNano("1109194275255040972930743959552") - IntervalMonthDayNano("950737950171172051122527404032") |
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+------------------------------------------------------------------------------------------------------------------+
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| 0 years 2 mons 3 days 4 hours 0 mins 0.000000000 secs |
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+------------------------------------------------------------------------------------------------------------------+
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