date type
date data expresses a date without a specified time.
| Detail | Info |
|---|---|
| Quick Syntax | DATE '2007-02-01' |
| Size | 1 byte |
| Catalog name | pg_catalog.date |
| OID | 1082 |
| Min value | 4713 BC |
| Max value | 5874897 AD |
| Resolution | 1 day |
Syntax
| Field | Use |
|---|---|
| date_str | A string representing a date in Y-M-D, Y M-D, Y M D or YMD format. |
| time_str | (NOP) A string representing a time of day in H:M:S.NS format. |
| tz_offset | (NOP) The timezone’s distance, in hours, from UTC. |
Details
Valid casts
From date
You can cast date to:
text(by assignment)timestamp(implicitly)timestamptz(implicitly)
To date
You can cast from the following types to date:
text(explicitly)timestamp(by assignment)timestamptz(by assignment)
Valid operations
time data supports the following operations with other types.
| Operation | Computes |
|---|---|
date + interval |
timestamp |
date - interval |
timestamp |
date + time |
timestamp |
date - date |
interval |
Examples
SELECT DATE '2007-02-01' AS date_v;
date_v
------------
2007-02-01