Filter
Filter attribute represents a filter statement in a edgeDB query.
#[filter(operator, wrapper_fn)]
When several filters are applied in a query, only the first filter can be represented by attribute #[filter]. The others filters should be decorated with #[and_filter] or #[or_filter].
#[and_filter(operator, wrapper_fn)] 
#[or_filter(operator, wrapper_fn)]
| Argument | Optional | Description | 
|---|---|---|
| operator | no | The filter operator. | 
| wrapper_fn | yes | The function to apply to the edgeDB column value before applying the filter | 
The operator argument can take one of following values (the case does not matter):
- exists
 - notexists or !exists
 - is or =
 - isnot or !=
 - like
 - ilike
 - in
 - notIn
 - greaterthan or >
 - lesserthan or <
 - greaterthanorequal or >=
 - lesserthanorequal or <=
 
Usage
    struct FindUserByNameAndAge {
        #[filter(operator="Is", wrapper_fn="str_lower")]
        pub name: String,
        #[and_filter(operator=">=")]
        pub age: i8 
    }