ramjet.photometric_database.sql_metadata_light_curve_collection¶

Classes¶

class SqlMetadataLightCurveCollection[source]¶

Bases: ramjet.photometric_database.light_curve_collection.LightCurveCollection

Class for a light curve collection that stores its metadata in the SQL database.

__init__(self)[source]¶

Initialize self. See help(type(self)) for accurate signature.

get_sql_query(self)[source]¶

Gets the SQL query for the database models for the light curve collection.

Returns:	The SQL query.

sql_count(self)[source]¶

Gets the count of the rows returned by the SQL query.

Returns:	The count.

get_path_from_model(self, model: MetadatabaseModel)[source]¶

Gets the light curve path from the SQL database model.

Returns:	The path to the light curve.

get_paths(self)[source]¶

Gets the paths for the light curves in the collection.

Returns:	An iterable of the light curve paths.

static order_by_uuid_with_random_start(select_query: Select, uuid_field: Field)[source]¶

Applies an “order by” on a query using a passed UUID field. The “order by” starts at a random UUID and then loops back to the minimum UUID include all entities.

Parameters:	select_query – The query to add the “order by” to. uuid_field – The UUID field to order on.
Returns:	The query updated to include the “order by”.

static order_by_dataset_split_with_random_start(select_query: Select, dataset_split_field: Field, available_dataset_splits: Union[List[int], None])[source]¶

Applies an “order by” on a query using a passed dataset_split field. The “order by” starts at a random dataset_split out of the passed available options, then loops back to the minimum dataset_split to include all entities.

Parameters:	select_query – The query to add the “order by” to. dataset_split_field – The dataset_split field to order on. available_dataset_splits – The available dataset_splits to start on.
Returns:	The query updated to include the “order by”.