Commit ea6dba8b authored by Ignacio's avatar Ignacio
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Añade README y crea vista de los últimos registros

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README.md

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# AIS Postgres

Base de datos PostgreSQL para almacenar datos AIS.



La tabla principal está particionada por tiempo, de esta forma sólo se accede agiliza las búsquedas que impliquen consultas por fechas.

rootfs/docker-entrypoint-initdb.d/vessel.sh

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@@ -78,4 +78,9 @@ psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-E 
	UPDATE partman.part_config SET infinite_time_partitions = true;

	SELECT cron.schedule('@${INTERVAL}', \$\$SELECT partman.run_maintenance_proc(p_analyze := false)\$\$)



	CREATE VIEW ais.last_20m AS SELECT DISTINCT ON (mmsi) *

	FROM ais.location

	WHERE tstamp > current_timestamp - interval '20 minutes'

	ORDER BY mmsi, tstamp DESC;



EOSQL
 
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