Maybe package:relational-query
Join sub-query with place-holder parameter
p. Query result is
Maybe.
Interface to compose phantom
Maybe nested type.
Interface to control
Maybe of phantom type in records.
Aggregation function AVG.
Null default version of
case'.
Compose nested
Maybe phantom type on record.
Get narrower record with flatten leaf phantom Maybe types along with
projection path.
Number fromIntegral uni-operator.
Operator from maybe type using record extended isNull.
String-compare operator corresponding SQL LIKE . Maybe type
version.
String-compare operator corresponding SQL LIKE .
Aggregation function MAX.
Aggregation function MIN.
Number negate uni-operator corresponding SQL -.
Same as
queryMaybe. Arrow version. The result arrow is not
injected by any local projected records.
Same as
queryMaybe'. Arrow version. The result arrow is not
injected by any local projected records.
Unsafely show number into string-like type in records.
Aggregation function SUM.
Same as
uniqueQueryMaybe'. Arrow version. The result arrow is
not injected by local projected records.
Composite nested
Maybe on record phantom type.
Trace projection path to get narrower
Record. From
Maybe
type to
Maybe type. Leaf type of projection path is
Maybe.
Unsafely get SQL string expression of not null key record.