bump Project and change default vector to return get_map.

Project.toml

@@ -1,6 +1,6 @@
 name = "PSRClassesInterface"
 uuid = "1eab49e5-27d8-4905-b9f6-327b6ea666c4"
-version = "0.14.4"
+version = "0.14.5"
 
 [deps]
 DBInterface = "a10d1c49-ce27-4219-8d33-6db1a4562965"

src/PSRDatabaseSQLite/psri_study_interface.jl

@@ -43,32 +43,37 @@ function _add_at_least_id_in_configurations_parameters(kwargs...)
     return dict_kwargs
 end
 
-PSRI.load_study(
+function PSRI.load_study(
     ::PSRDatabaseSQLiteInterface,
     data_path::String,
-) = PSRDatabaseSQLite.load_db(data_path)
+)
+    return PSRDatabaseSQLite.load_db(data_path)
+end
 
-PSRI.load_study(
+function PSRI.load_study(
     ::PSRDatabaseSQLiteInterface,
     data_path::String,
     path_migrations::String,
-) = PSRDatabaseSQLite.load_db(data_path, path_migrations)
+)
+    return PSRDatabaseSQLite.load_db(data_path, path_migrations)
+end
 
 # Read
-PSRI.get_vector(
+function PSRI.get_vector(
     db::DatabaseSQLite,
     collection::String,
     attribute::String,
     element_label::String;
     default::Union{Nothing, Any} = nothing,
-) =
-    PSRDatabaseSQLite.read_vector_parameter(
+)
+    return PSRDatabaseSQLite.read_vector_parameter(
         db,
         collection,
         attribute,
         element_label;
         default,
     )
+end
 
 PSRI.get_vectors(db::DatabaseSQLite, collection::String, attribute::String) =
     PSRDatabaseSQLite.read_vector_parameters(db, collection, attribute)
@@ -98,28 +103,30 @@ function PSRI.configuration_parameter(
     end
 end
 
-PSRI.get_parm(
+function PSRI.get_parm(
     db::DatabaseSQLite,
     collection::String,
     attribute::String,
     element_label::String;
     default::Union{Nothing, Any} = nothing,
-) =
-    PSRDatabaseSQLite.read_scalar_parameter(
+)
+    return PSRDatabaseSQLite.read_scalar_parameter(
         db,
         collection,
         attribute,
         element_label;
         default,
     )
+end
 
-PSRI.get_parms(
+function PSRI.get_parms(
     db::DatabaseSQLite,
     collection::String,
     attribute::String;
     default::Union{Nothing, Any} = nothing,
-) =
-    PSRDatabaseSQLite.read_scalar_parameters(db, collection, attribute; default)
+)
+    return PSRDatabaseSQLite.read_scalar_parameters(db, collection, attribute; default)
+end
 
 function PSRI.get_attributes(db::DatabaseSQLite, collection::String)
     return PSRDatabaseSQLite._get_attribute_ids(db, collection)

src/PSRDatabaseSQLite/read.jl

@@ -205,7 +205,7 @@ function _get_scalar_relation_map(
     df = DBInterface.execute(db.sqlite_db, query) |> DataFrame
     results = df[!, 1]
     num_results = length(results)
-    map_of_indexes = Vector{Int}(undef, num_results)
+    map_of_indexes = -1 * ones(Int, num_results)
     ids_in_collection_to = read_scalar_parameters(db, collection_to, "id")
     for i in 1:num_results
         if ismissing(results[i])

src/study_interface.jl

@@ -245,6 +245,8 @@ function max_elements end
     )
 
 Returns a `Vector{Int32}` with the map between collections given a certain [`RelationType`](@ref).
+If the map is a vector [3, 2, 1] it means that the element 1 of `lst_from` is related to the element 3 of `lst_to`.
+If the relation does not exist it might return -1 or some garbage value.
 
 Examples: