Available in versions: Dev (3.19) | Latest (3.18) | 3.17 | 3.16 | 3.15 | 3.14 | 3.13 | 3.12 | 3.11 | 3.10 | 3.9

LN

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

The LN() function calculates the natural logarithm of a numeric value.

SELECT ln(1);
create.select(ln(1)).fetch();

The result being

+----+
| ln |
+----+
|  0 |
+----+

Dialect support

This example using jOOQ:

ln(1)

Translates to the following dialect specific expressions:

-- ACCESS, ASE, SQLDATAWAREHOUSE, SQLSERVER
log(1)

-- AURORA_MYSQL, AURORA_POSTGRES, BIGQUERY, DB2, DERBY, DUCKDB, EXASOL, FIREBIRD, H2, HANA, HSQLDB, MARIADB, MEMSQL, 
-- MYSQL, ORACLE, POSTGRES, REDSHIFT, SNOWFLAKE, SQLITE, SYBASE, TERADATA, TRINO, VERTICA, YUGABYTEDB
ln(1)

-- COCKROACHDB
ln(CAST(1 AS numeric))

-- INFORMIX
logn(1)

(These are currently generated with jOOQ 3.19, see #10141), or translate your own on our website

Feedback

Do you have any feedback about this page? We'd love to hear it!

The jOOQ Logo