To Double

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TO DOUBLE

Converts an input value to a double value. If the input parameter is of a date type, its value will be interpreted as milliseconds since the Unix epoch, converted to double. Boolean true will be converted to double 1.0, false to 0.0.

ROW str1 = "5.20128E11", str2 = "foo"
| EVAL dbl = TO_DOUBLE("520128000000"), dbl1 = TO_DOUBLE(str1), dbl2 = TO_DOUBLE(str2)