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parseDecimal
parseDecimal
parses a string to determine if it contains a decimal
value. This function returns all rows that contain a decimal, integer, or null value,
and skips any rows that don't. If the row contains an integer value, it is returned
as a decimal with up to 4 decimal places. For example, a value of '2' is returned as '2.0'.
Syntax
parseDecimal(
expression
)
Arguments
- expression
-
The expression must be a string. It can be the name of a field that uses the string data type, a literal value like
'9.62'
, or a call to another function that outputs a string.
Return type
Decimal
Example
The following example evaluates fee
to determine if it contains
decimal values.
parseDecimal(fee)
The following are the given field values.
fee -------- 2 2a 12.13 3b 3.9 (null) 198.353398
For these field values, the following rows are returned.
2.0 12.13 3.9 (null) 198.3533