FLOAT

Syntax

FLOAT( expression )

Description

Converts the expression expression to fractional number format according to the following rules:

Type Value
Fractional number | Integer Original value.
Date | Datetime Unix time corresponding to the date and time. If the value contains time zone data, it's used in the calculation. If the time zone is unknown, the time is set in UTC.
String A number from a decimal string.
Boolean TRUE1.0, FALSE0.0.

Argument types:

  • expressionBoolean | Date | Datetime | Fractional number | Integer | String

Return type: Fractional number

Examples

FLOAT(7) = 7.0
FLOAT("34.567") = 34.567
FLOAT(TRUE) = 1.0

Data source support

ClickHouse 19.13, Microsoft SQL Server 2017 (14.0), MySQL 5.6, PostgreSQL 9.3.

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