FLOOR

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

The FLOOR() function rounds a numeric value to its nearest lower integer.

SELECT 
  floor(1.7), 
  floor(-1.7);

create.select(
  floor(1.7), 
  floor(-1.7)).fetch();

The result being

+-------+-------+
| floor | floor |
+-------+-------+
|     1 |    -2 |
+-------+-------+

Dialect support

This example using jOOQ:

floor(1.7)

Translates to the following dialect specific expressions:

-- ACCESS
(cdec(1.7E0) - (1.7E0 < cdec(1.7E0)))

-- ASE, AURORA_MYSQL, AURORA_POSTGRES, BIGQUERY, CUBRID, DB2, DERBY, EXASOL, FIREBIRD, HANA, HSQLDB, IGNITE, INFORMIX, INGRES, 
-- MARIADB, MEMSQL, MYSQL, ORACLE, POSTGRES, REDSHIFT, SNOWFLAKE, SQLDATAWAREHOUSE, SQLSERVER, SYBASE, TERADATA, VERTICA
floor(1.7E0)

-- COCKROACHDB
floor(CAST(1.7E0 AS double precision))

-- H2
floor(CAST(1.7E0 AS double))

-- SQLITE
(CAST(1.7E0 AS int8) - (1.7E0 < CAST(1.7E0 AS int8)))

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

The jOOQ User Manual : SQL building : Column expressions : Numeric functions : FLOOR

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