EXTRACT

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

Extract a org.jooq.DatePart from a datetime value.

SELECT EXTRACT(MONTH FROM DATE '2020-02-03');

create.select(extract(Date.valueOf("2020-02-03"), DatePart.MONTH)).fetch();

The result being

+-------+
| month |
+-------+
|     2 |
+-------+

Dialect support

This example using jOOQ:

extract(Date.valueOf("2020-02-03"), DatePart.MONTH)

Translates to the following dialect specific expressions:

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

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

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

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

-- BIGQUERY
extract(MONTH FROM DATETIME'2020-02-03 00:00:00.0')

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

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

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

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

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

-- SQLITE
CAST(strftime('%m', '2020-02-03 00:00:00.0') AS int)

(These are currently generated with jOOQ 3.15, see #10141)

The jOOQ User Manual : SQL building : Column expressions : Datetime functions : EXTRACT

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