double
function
Applies to: Databricks SQL
Databricks Runtime
Casts the value expr
to DOUBLE. This function is a synonym for CAST(expr AS DOUBLE)
. See cast
function for details.
Syntax
double(expr)
Arguments
expr
: An expression that can be cast toDOUBLE
.
Returns
A DOUBLE
.
Examples
SQL
> SELECT double('5.2');
5.2