mirror of
https://github.com/GreptimeTeam/greptimedb.git
synced 2026-01-05 21:02:58 +00:00
138 lines
4.2 KiB
Plaintext
138 lines
4.2 KiB
Plaintext
select 1;
|
|
|
|
+----------+
|
|
| Int64(1) |
|
|
+----------+
|
|
| 1 |
|
|
+----------+
|
|
|
|
select 2 + 3;
|
|
|
|
+---------------------+
|
|
| Int64(2) + Int64(3) |
|
|
+---------------------+
|
|
| 5 |
|
|
+---------------------+
|
|
|
|
select 4 + 0.5;
|
|
|
|
+-------------------------+
|
|
| Int64(4) + Float64(0.5) |
|
|
+-------------------------+
|
|
| 4.5 |
|
|
+-------------------------+
|
|
|
|
select "a";
|
|
|
|
Error: 3000(PlanQuery), No field named a.
|
|
|
|
select "A";
|
|
|
|
Error: 3000(PlanQuery), No field named "A".
|
|
|
|
select * where "a" = "A";
|
|
|
|
Error: 3000(PlanQuery), No field named a.
|
|
|
|
select TO_UNIXTIME('2023-03-01T06:35:02Z');
|
|
|
|
+-------------------------------------------+
|
|
| to_unixtime(Utf8("2023-03-01T06:35:02Z")) |
|
|
+-------------------------------------------+
|
|
| 1677652502 |
|
|
+-------------------------------------------+
|
|
|
|
select TO_UNIXTIME(' 2023-03-01T06:35:02Z ');
|
|
|
|
+---------------------------------------------------+
|
|
| to_unixtime(Utf8(" 2023-03-01T06:35:02Z ")) |
|
|
+---------------------------------------------------+
|
|
| 1677652502 |
|
|
+---------------------------------------------------+
|
|
|
|
select TO_UNIXTIME(2);
|
|
|
|
+-----------------------+
|
|
| to_unixtime(Int64(2)) |
|
|
+-----------------------+
|
|
| 2 |
|
|
+-----------------------+
|
|
|
|
create table test_unixtime(a int, b timestamp time index);
|
|
|
|
Affected Rows: 0
|
|
|
|
DESC TABLE test_unixtime;
|
|
|
|
+--------+----------------------+-----+------+---------+---------------+
|
|
| Column | Type | Key | Null | Default | Semantic Type |
|
|
+--------+----------------------+-----+------+---------+---------------+
|
|
| a | Int32 | | YES | | FIELD |
|
|
| b | TimestampMillisecond | PRI | NO | | TIMESTAMP |
|
|
+--------+----------------------+-----+------+---------+---------------+
|
|
|
|
insert into test_unixtime values(27, 27);
|
|
|
|
Affected Rows: 1
|
|
|
|
select * from test_unixtime;
|
|
|
|
+----+-------------------------+
|
|
| a | b |
|
|
+----+-------------------------+
|
|
| 27 | 1970-01-01T00:00:00.027 |
|
|
+----+-------------------------+
|
|
|
|
select a from test_unixtime;
|
|
|
|
+----+
|
|
| a |
|
|
+----+
|
|
| 27 |
|
|
+----+
|
|
|
|
select b from test_unixtime;
|
|
|
|
+-------------------------+
|
|
| b |
|
|
+-------------------------+
|
|
| 1970-01-01T00:00:00.027 |
|
|
+-------------------------+
|
|
|
|
select TO_UNIXTIME(b) from test_unixtime;
|
|
|
|
+------------------------------+
|
|
| to_unixtime(test_unixtime.b) |
|
|
+------------------------------+
|
|
| 27 |
|
|
+------------------------------+
|
|
|
|
DROP TABLE test_unixtime;
|
|
|
|
Affected Rows: 1
|
|
|
|
select INTERVAL '1 year 2 months 3 days 4 hours 5 minutes 6 seconds 100 microseconds';
|
|
|
|
+---------------------------------------------------------+
|
|
| IntervalMonthDayNano("1109194275255040973236744059552") |
|
|
+---------------------------------------------------------+
|
|
| 0 years 14 mons 3 days 4 hours 5 mins 6.000100000 secs |
|
|
+---------------------------------------------------------+
|
|
|
|
select INTERVAL '1 year 2 months 3 days 4 hours' + INTERVAL '1 year';
|
|
|
|
+------------------------------------------------------------------------------------------------------------------+
|
|
| IntervalMonthDayNano("1109194275255040972930743959552") + IntervalMonthDayNano("950737950171172051122527404032") |
|
|
+------------------------------------------------------------------------------------------------------------------+
|
|
| 0 years 26 mons 3 days 4 hours 0 mins 0.000000000 secs |
|
|
+------------------------------------------------------------------------------------------------------------------+
|
|
|
|
select INTERVAL '1 year 2 months 3 days 4 hours' - INTERVAL '1 year';
|
|
|
|
+------------------------------------------------------------------------------------------------------------------+
|
|
| IntervalMonthDayNano("1109194275255040972930743959552") - IntervalMonthDayNano("950737950171172051122527404032") |
|
|
+------------------------------------------------------------------------------------------------------------------+
|
|
| 0 years 2 mons 3 days 4 hours 0 mins 0.000000000 secs |
|
|
+------------------------------------------------------------------------------------------------------------------+
|
|
|