Special functions

Reference documentation for Expressif functions in the special scope.

Name	Overview
any-to-any	Returns any.
coalesce	Returns the first non-null result from two or more expressions evaluated from left to right against the same input. Returns null when every expression evaluates to null.
coerce-boolean	Attempts to convert the input to a boolean value. Returns null when the input cannot be converted.
coerce-date	Attempts to convert the input to a date value. Returns null when the input cannot be converted.
coerce-datetime	Attempts to convert the input to a date-time value. Returns null when the input cannot be converted.
coerce-int	Attempts to convert the input to an integer value. Returns null when the input cannot be converted without loss.
coerce-numeric	Attempts to convert the input to a numeric value. Returns null when the input cannot be converted.
coerce-text	Attempts to convert the input to a text value. Returns null when the input cannot be converted.
coerce-time	Attempts to convert the input to a time value. Returns null when the input cannot be converted.
neutral	Returns the argument value.
null-to-value	Returns the value passed as argument, except if the value is null then it returns value.
value-to-value	Returns value except if the argument value is null then it returns null.