| The jOOQ User Manual : SQL building : Column expressions : Datetime functions : TRUNC | previous : next |
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
TRUNC
Applies to ✅ Open Source Edition ✅ Express Edition ✅ Professional Edition ✅ Enterprise Edition
Truncate a datetime value to the precision of a certain org.jooq.DatePart, or DatePart.DAY by default.
SELECT TRUNC(DATE '2020-02-03', 'YYYY');
create.select(trunc(Date.valueOf("2020-02-03", DatePart.YEAR))).fetch();
The result being
+------------+ | trunc | +------------+ | 2020-01-01 | +------------+
Dialect support
This example using jOOQ:
trunc(Date.valueOf("2020-02-03"), DatePart.YEAR)
Translates to the following dialect specific expressions:
-- AURORA_POSTGRES, COCKROACHDB, POSTGRES, VERTICA
date_trunc('year', DATE '2020-02-03')
-- CUBRID, HSQLDB
trunc(DATE '2020-02-03', 'YY')
-- DB2, ORACLE
trunc(DATE '2020-02-03', 'YYYY')
-- H2
PARSEDATETIME(FORMATDATETIME(DATE '2020-02-03', 'yyyy'), 'yyyy')
-- INFORMIX
trunc(DATETIME(2020-02-03) YEAR TO DAY, 'YEAR')
-- ACCESS, ASE, AURORA_MYSQL, DERBY, FIREBIRD, HANA, INGRES, MARIADB, MEMSQL, MYSQL, REDSHIFT, SQLDATAWAREHOUSE, SQLITE,
-- SQLSERVER, SYBASE, TERADATA
/* UNSUPPORTED */
(These are currently generated with jOOQ 3.14, see #10141)
