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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')
-- BIGQUERY
date_trunc(
DATE '2020-02-03',
YEAR
)
-- DB2, ORACLE
trunc(DATE '2020-02-03', 'YYYY')
-- H2
PARSEDATETIME(FORMATDATETIME(DATE '2020-02-03', 'yyyy'), 'yyyy')
-- HSQLDB
trunc(DATE '2020-02-03', 'YY')
-- INFORMIX
trunc(DATETIME(2020-02-03) YEAR TO DAY, 'YEAR')
-- ACCESS, ASE, AURORA_MYSQL, DERBY, EXASOL, FIREBIRD, HANA, MARIADB, MEMSQL, MYSQL, REDSHIFT, SNOWFLAKE, SQLDATAWAREHOUSE,
-- SQLITE, SQLSERVER, SYBASE, TERADATA, YUGABYTEDB
/* UNSUPPORTED */
(These are currently generated with jOOQ 3.18, see #10141), or translate your own on our website
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