DATE_TRUNC
Trunkera ett datum till en given tidsenhet.
Syntax
DATE_TRUNC(unit, time)
Argument
| Namn | Typ | Beskrivning | Standardvärde |
|---|---|---|---|
| enhet | sträng | ||
| tid | tidsmarkör |
Returnerar
tidsmarkör
Exempel
| enhet | tid | Utdata |
|---|---|---|
| "millisekund" | tidsmarkör "2021-02-03 04:05:06.789" | tidsmarkör "2021-02-03 04:05:06.789" |
| "sekund" | tidsmarkör "2021-02-03 04:05:06.789" | tidsmarkör "2021-02-03 04:05:06" |
| "minut" | tidsmarkör "2021-02-03 04:05:06.789" | tidsmarkör "2021-02-03 04:05:00" |
| "timme" | tidsmarkör "2021-02-03 04:05:06.789" | tidsmarkör "2021-02-03 04:00:00" |
| "dag" | tidsmarkör "2021-02-03 04:05:06.789" | tidsmarkör "2021-02-03 00:00:00" |
| "vecka" | tidsmarkör "2021-02-03 04:05:06.789" | tidsmarkör "2021-02-01 00:00:00" |
| "månad" | tidsmarkör "2021-02-03 04:05:06.789" | tidsmarkör "2021-02-01 00:00:00" |
| "kvartal" | tidsmarkör "2021-02-03 04:05:06.789" | tidsmarkör "2021-01-01 00:00:00" |
| "år" | tidsmarkör "2021-02-03 04:05:06.789" | tidsmarkör "2021-01-01 00:00:00" |
| "millisekund" | tidsmarkör "2021-12-31 23:59:59.999" | tidsmarkör "2021-12-31 23:59:59.999" |
| "sekund" | tidsmarkör "2021-12-31 23:59:59.999" | tidsmarkör "2021-12-31 23:59:59" |
| "minut" | tidsmarkör "2021-12-31 23:59:59.999" | tidsmarkör "2021-12-31 23:59:00" |
| "timme" | tidsmarkör "2021-12-31 23:59:59.999" | tidsmarkör "2021-12-31 23:00:00" |
| "dag" | tidsmarkör "2021-12-31 23:59:59.999" | tidsmarkör "2021-12-31 00:00:00" |
| "vecka" | tidsmarkör "2021-12-31 23:59:59.999" | tidsmarkör "2021-12-27 00:00:00" |
| "månad" | tidsmarkör "2021-12-31 23:59:59.999" | tidsmarkör "2021-12-01 00:00:00" |
| "kvartal" | tidsmarkör "2021-12-31 23:59:59.999" | tidsmarkör "2021-10-01 00:00:00" |
| "år" | tidsmarkör "2021-12-31 23:59:59.999" | tidsmarkör "2021-01-01 00:00:00" |
| "test" | tidsmarkör "2021-12-31 23:59:59.999" | null |