load_one

load_one :: (
    db: $D,
    parents: [] $T,
    $relation: string,
    $call := #caller_code
) -> (Loaded_One(#insert,scope(call) #run orm_relation_target(T, relation, .BELONGS_TO)), Pg_Error)

Loads a to-one relation for several rows; see Loaded_One.

Parameters

db: $D

a connection or pool.

parents: [] $T

the rows to load for.

$relation: string

the name of the @pg_belongs_to relation.

$call := #caller_code

the code of the call, which lets the query text be checked while compiling. Leave the default.

Returns

Loaded_One(#insert,scope(call) #run orm_relation_target(T, relation, .BELONGS_TO))

Pg_Error