New versions: Dev (3.14) | Latest (3.13) | 3.12 | 3.11 | 3.10 | 3.9 | 3.8 | Old versions: 3.7 | 3.6 | 3.5 | 3.4 | 3.3 | 2.6

DAY

Applies to ✅ Open Source Edition   ✅ Express Edition   ✅ Professional Edition   ✅ Enterprise Edition

Extract the DAY value from a datetime value.

The DAY function is a short version of the EXTRACT, passing a DatePart.DAY value as an argument.

SELECT day(DATE '2020-02-03');
create.select(day(Date.valueOf("2020-02-03"))).fetch();

The result being

+-----+
| day |
+-----+
|   3 |
+-----+

Dialect support

This example using jOOQ:

day(Date.valueOf("2020-02-03"))

Translates to the following dialect specific expressions:

-- ACCESS
datepart('d', #2020/02/03 00:00:00#)

-- ASE, SYBASE
datepart(dd, '2020-02-03 00:00:00.0')

-- AURORA_MYSQL, MEMSQL, MYSQL
extract(DAY FROM {ts '2020-02-03 00:00:00.0'})

-- AURORA_POSTGRES, COCKROACHDB, FIREBIRD, H2, HANA, HSQLDB, INGRES, MARIADB, ORACLE, POSTGRES, REDSHIFT, TERADATA, VERTICA
extract(DAY FROM TIMESTAMP '2020-02-03 00:00:00.0')

-- CUBRID
extract(DAY FROM DATETIME '2020-02-03 00:00:00.0')

-- DB2
DAY(TIMESTAMP '2020-02-03 00:00:00.0')

-- DERBY
DAY(TIMESTAMP('2020-02-03 00:00:00.0'))

-- INFORMIX
DAY(DATETIME(2020-02-03 00:00:00.0) YEAR TO FRACTION)

-- SQLDATAWAREHOUSE, SQLSERVER
datepart(dd, CAST('2020-02-03 00:00:00.0' AS DATETIME2))

-- SQLITE
strftime('%d', '2020-02-03 00:00:00.0')

(These are currently generated with jOOQ 3.14, see #10141)

The jOOQ Logo