skytracker.storage.queries.state.LatestBatchQuery

class skytracker.storage.queries.state.LatestBatchQuery(limit: int = 0, lat_min: float | None = None, lat_max: float | None = None, lon_min: float | None = None, lon_max: float | None = None, fields: list[str] = None)

Bases: TableQuery[State]

Query to select the latest aircraft states (with optional bounding box)

Properties

allows_cache

Methods

__init__	Initialize query with optional arguments
from_cache	Filter a cached list of states using stored settings
from_server	Query a list of states from server database
parse_table_row	Parse raw table data into a State

__init__(limit: int = 0, lat_min: float | None = None, lat_max: float | None = None, lon_min: float | None = None, lon_max: float | None = None, fields: list[str] = None) → None

Initialize query with optional arguments

Parameters:

• limit (int, optional) – maximum number of states to get (0=all). Defaults to 0.

• lat_min (float, optional) – minimum latitude. Defaults to None.

• lat_max (float, optional) – maximum latitude. Defaults to None.

• lon_min (float, optional) – minimum longitude. Defaults to None.

• lon_max (float, optional) – maximum longitude. Defaults to None.

• fields (list[str], optional) – names of fields in flattened table. Defaults to None.

async from_cache(states: list[State]) → list[State]

Filter a cached list of states using stored settings

Parameters:

states (list[State]) – cached list of states

Returns:

filtered list of states

Return type:

list[State]

async from_server(table: str, db: DatabaseManager) → list[State]

Query a list of states from server database

Parameters:

• table (str) – name of database table

• db (DatabaseManager) – database manager instance

Returns:

selected list of states

Return type:

list[State]

parse_table_row(raw_entry: tuple) → State

Parse raw table data into a State

Parameters:

raw_entry (tuple) – raw table data

Returns:

corresponding State

Return type:

State