ืืืึทื ื ืืื ืืืืื ืฆื ืคืึธืจืฉืืขืื Habr ืืืืขื ืขืจ ืืื ืึท ื ืืฆื ืืขืฉืจืืื ืืื ืคึผืืืืึธื ืคึฟืึทืจ ืืจืืขืื ืืื ืืืฉ ืืืคึผืขื ืืึทื ืกืื ืืื ืื PostgreSQL DBMS.
ืื API ืคืื ืื ื ืืฆื ืืื ืคึผืฉืื ืืื ืืืฉืืืื ืคืื ืืจืื ืืขืืืึธืืก:
- archive_table - ืจืขืงืืจืกืืืืข ืึทืจืืฉืืืืื ื / ืืืืืืื ื ืจืึธืื ืืื ืกืคึผืขืกืืคืืขื ืขืจืฉืืืง ืงืื
- ืืึทืงืืืขื_ืืึทืืืข_ืจืขืคืขืจืขื ืกืขืก - ืืืื ืคึฟืึทืจ ืืืคึผืขื ืืึทื ืกืื ืคึฟืึทืจ ืึท ืืืฉ (ืืืขื ืืืืึทืื ืืืฉื ืจืขืคืขืจืขื ืกื ืืืจื ืื ืกืคึผืขืกืืคืืขื ืืืื ืขืจ ืืื ืื ืจืขืคืขืจืขื ืกืื ื ืขืก)
- ืืึทืงืืืขื_ืจืึธืืืก_ืจืขืคืขืจืขื ืกืขืก - ืืืื ืคึฟืึทืจ ืจืึธืื ืืื ืื ืืขืจืข ืืืฉื ืืืึธืก ืืขืจืืึธื ืขื ืื ืจืึธืื ืืื ืื ืืขืืขืื ืืืฉ
ืคึผืจืขืืืกืืึธืจื
ืืืึทื ื ืึธืืขื ืืื ืึธืืขื ืืึธืจืกืึธืื, ืืื ืืื ืึท ืืขืืืขืืึธืคึผืขืจ ืืื ืื CRM ืืึทื ืฉืึทืคึฟื ืคึฟืึทืจ ืืืคึผืึธืืขืง ืืขื ืืื ื ืืึทื ืึทืืืฉืขืจื ืืื ืืึธืืงืืืง.
ืื ืืืืคึผื ืืึทืืึทืืืืก ืคืื ืืื ืืืขืจ CRM ืกืืกืืขื ืืื ืืืื ืขืจ ืคืื ืื ืืจืขืกืืข ืืื ืืขืจืืื ืขื ืคืื ืืึทื ื ืืื ืื ืคืืจืืข. ืขืก ืืื ืืืื ืืืื ืขืจ ืคืื ืื ืึธืืืืึทืกื: ืขืก ืืื ืืจืืืก ืืื ืื ืงืึทืืขืจ ืคืื ืื ืคึผืจืืืขืงื, ืืืขื ืื ืืืืืขืจ ืืขื ืขื ืืขืืืขื ืืจืืืก, Domklik ืืื ืืขืืืขื ืึท ืกืืึทืจืืึทืคึผ, ืืื ืึทื ืฉืืึธื ืคืื ืึท ืืืงืจืึธ ืกืขืจืืืืก ืืืืฃ ืึท ืืึธืืขืจื ืคึผืืืืึธื ืืืกืื ืืงืจืึทื ืึทืก ืคืจืืืืืืขืจืง, ืขืก ืืื ืืขืืืขื ืึท ืจืืืืง ืืึทื ืึทืืื ืืื PHP.
ืื ืืืขืจืืึทื ื ืคืื PHP ืฆื Python ืืื ืืขืืืขื ืืืืขืจ ืืึทื ื ืืื ืคืืจืืื ืื ืกืืืืึทืืืืื ืืึทืก ืฉืืืฆื ืคืื ืืืืืข ืกืืกืืขืืขื, ืืืึธืก ืึทืคืขืงืืึทื ืื ืคึผืืึทื ืคืื ืื ืืึทืืึทืืืืก.
ืืื ืึท ืจืขืืืืืึทื, ืืืจ ืืึธืื ืึท ืืึทืืึทืืืืก ืืื ืึท ืืจืืืก ื ืืืขืจ ืคืื ืืขืืกื ืงืึธื ื ืขืงืืขื ืืื ืจืืืืง ืืืฉื ืืื ืึท ืืื ืื ืคืื ืื ืืขืงืกืื ืคึฟืึทืจ ืคืึทืจืฉืืืขื ืข ืืืืคึผืก ืคืื ืงืืืืจืื. ืึทืืข ืืขื ืึทืคืขืงืฅ ืื ืคืึธืจืฉืืขืืื ื ืคืื ืื ืืึทืืึทืืืืก ื ืขืืึทืืืืืื: ืจืขืื ืฆื ืืจืืืก ืืืฉื ืืื ืึท ืืื ืื ืคืื ืืึทืฆืืื ืืขื ืฆืืืืฉื ืืื, ืื ืงืึทืืคึผืืขืงืกืืื ืคืื ืงืืืืจืื ืืื ืงืขืกืืืืขืจ ืื ืงืจืืกืื ื, ืืืึธืก ืืื ืกืคึผืขืฆืืขื ืงืจืืืืฉ ืคึฟืึทืจ ืื ืืขืจืกื ืืึธืืืื ืืืฉื.
ืฆื ืจืขืืืฆืืจื ืื ืืึทืกืข ืืืืฃ ืื ืืึทืืึทืืืืก, ืืืจ ืืึทืฉืืึธืกื ืฆื ืฉืจืืึทืื ืึท ืฉืจืืคื ืืืึธืก ืืืึธืื ืึทืจืืืขืจืคืืจื ืึทืื ืจืขืงืึธืจืืก ืคืื ืื ืืขืจืกื ืืืึทืืืืึทื ืึทืก ืืื ืืึธืืืื ืืืฉื ืฆื ืึทืจืืฉืืืืขื (ืืืฉื, ืคึฟืื task ะฒ task_archive).
ืืขื ืึทืจืืขื ืืื ืงืึธืืคึผืืืฆืืจื ืืืจื ืื ืืจืืืก ื ืืืขืจ ืคืื ืืึทืฆืืื ืืขื ืฆืืืืฉื ืืืฉื: ืคืฉืื ืืึทื ืจืึธืื ืคืื task ะฒ task_archive ืืื ื ืืฉื ืืขื ืื, ืืืืืขืจ ืืืจ ืืึทืจืคึฟื ืฆื ืืึธื ืื ืืขืืืข ืจืขืงืืจืกืืืืื ืืื ืึทืืข ืื ืจืขืคืขืจืขื ืกืื ื task ืืืฉื.
ืืื ืืืขื ืืขืืึธื ืกืืจืืจื ืืื ืึท ืืืืฉืคึผืื :
ืืื ืก ืืึธืื ืืืจ ืืึทืจืคึฟื ืฆื ืืืกืืขืงื ืจืขืงืึธืจืืก ืคืื ืึท ืืืฉ Flights. Postgres ืืืขื ื ืืฉื ืืึธืื ืืื ืื ืฆื ืืึธื ืืึธืก ืคึผืื ืงื ืึทืืื: ืืืจ ืขืจืฉืืขืจ ืืึทืจืคึฟื ืฆื ืืืกืืขืงื ืจืขืงืึธืจืืก ืคืื ืึทืืข ืจืขืคืขืจืขื ืกืื ื ืืืฉื, ืืื ืึทืืื ืืืืฃ ืจืขืงืืจืกืืืืขืื ืึทืจืึธืคึผ ืฆื ืืืฉื ืืืึธืก ืืขื ืขื ื ืืฉื ืจืขืคืขืจืขื ืกืขื ืืืจื ืืืขืจ ืขืก ืื.
ืืื ืืื ืืืขืจ ืืืึทืฉืคึผืื ืืืึท Flights ืจืขืคืขืจืก Ticket_flightsืืื ืืืืฃ ืืืจ - Boarding_passes.
ืืขืจืืืขืจ, ืืืจ ืืึทืจืคึฟื ืฆื ืืืกืืขืงื ืขืก ืืื ืืขื ืกืืจ:
- ืืืจ ืืึทืงืืืขื ืื ืขืจืฉืืืง ืฉืืืกืืขื (PK) ืืืึทืืืขืก ืคืื ืจืึธืื ืืื
Ticket_flights, ืืืึธืก ืึธืคึผืฉืืงื ืฆื ืื ืจืึธืื ืฆื ืืืขืจื ืืืืกืืขืืขืงื ืืืFlights. - ืืืจ ืืึทืงืืืขื ืคึผืง ืจืึธืื
Boarding_passes, ืืืึธืก ืึธืคึผืฉืืงื ืฆืTicket_flights. - ืืืจ ืืืกืืขืงื ืจืึธืื ืืืจื ืคึผืง ืคึฟืื ืฉืจืื 2 ืืื ืื ืืืฉ
Boarding_passes. - ืืืกืืขืงื ืฉืืจืืช ืืืจื ืคึผืง ืคึฟืื ืฉืจืื 1 ืืื
Ticket_flights. - ืจืืืืืืื ื ืฉืืจืืช ืคืื
Flights.
ืืขืจ ืจืขืืืืืึทื ืืื ืืขืืืขื ืึท ื ืืฆื ืืขืจืืคื PgGraph, ืืืึธืก ืืืจ ืืึทืฉืืึธืกื ืฆื ืืึทืื ืึธืคึฟื ืืงืืจ.
ืืื ืฆื ื ืืฆื
ืื ื ืืฆื ืฉืืืฆื ืฆืืืื ืืึธืืขืก ืคืื ื ืืฆื:
- ืจืืคื ืคืื ืื ืืึทืคึฟืขืื ืฉืืจื (
pggraph โฆ). - ืืึทื ืืฅ ืืื ืคึผืืืืึธื ืงืึธื (ืงืืึทืก
PgGraphApi).
ืื ืกืืึทืืืจืื ื ืืื ืงืึทื ืคืืืืขืจืืืฉืึทื
ืขืจืฉืืขืจ ืืืจ ืืึทืจืคึฟื ืฆื ืื ืกืืึทืืืจื ืื ื ืืฆื ืคืื ืื Pypi ืจืืคึผืึทืืึทืืึธืจื:
pip3 install pggraphืืขืจื ืึธื ืฉืึทืคึฟื ืึท config.ini ืืขืงืข ืืืืฃ ืื ืืืืข ืืึทืฉืื ืืื ืื ืงืึทื ืคืืืืขืจืืืฉืึทื ืคืื ืื ืืึทืืึทืืืืก ืืื ืื ืึทืจืืฉืืืืื ื ืฉืจืืคื:
[db]
host = localhost
port = 5432
user = postgres
password = postgres
dbname = postgres
schema = public ; ะะตะพะฑัะทะฐัะตะปัะฝัะน ะฟะฐัะฐะผะตัั, ัะบะฐะทะฐะฝะพ ะทะฝะฐัะตะฝะธะต ะฟะพ ัะผะพะปัะฐะฝะธั
[archive] ; ะะฐะฝะฝัะน ัะฐะทะดะตะป ะทะฐะฟะพะปะฝััั ะฝะตะพะฑัะทะฐัะตะปัะฝะพ, ะฝะธะถะต ัะบะฐะทะฐะฝั ะทะฝะฐัะตะฝะธั ะฟะพ ัะผะพะปัะฐะฝะธั
is_debug = false
chunk_size = 1000
max_depth = 20
to_archive = true
archive_suffix = 'archive'ืืืืคื ืคึฟืื ืงืึทื ืกืึธืื
ืคึผืึทืจืึทืืขืืขืจืก
$ pggraph -h
usage: pggraph action [-h] --table TABLE [--ids IDS] [--config_path CONFIG_PATH]
positional arguments:
action required action: archive_table, get_table_references, get_rows_references
optional arguments:
-h, --help show this help message and exit
--table TABLE table name
--ids IDS primary key ids, separated by comma, e.g. 1,2,3
--config_path CONFIG_PATH path to config.ini
--log_path LOG_PATH path to log dir
--log_level LOG_LEVEL log level (debug, info, error)ืคืืืืฆืืื ืืืข ืืขื ืืช:
action- ืคืืจืืื ืื ืงืึทืืฃ:archive_table,get_table_referencesืึธืืขืจget_rows_references.
ืึทืจืืืืขื ืื:
--config_path- ืืจื ืฆื ืื ืงืึธื ืคืื ืืขืงืข;--table- ืึท ืืืฉ ืืื ืืืึธืก ืืืจ ืืึทืจืคึฟื ืฆื ืืืจืืคืืจื ืึท ืงืึทืืฃ;--ids- ืจืฉืืื ืคืื ID ืืคืืขืฉืืืื ืืืจื ืงืึธืืข, ืืืฉื,1,2,3(ืึทืคึผืฉืึทื ืึทื ืคึผืึทืจืึทืืขืืขืจ);--log_path- ืืจื ืฆื ืืขืจ ืืขืงืข ืคึฟืึทืจ ืืึธืืก (ืึทืคึผืฉืึทื ืึทื ืคึผืึทืจืึทืืขืืขืจ, ืืืจื ืคืขืืืงืืึทื - ืืืื ืืขืงืข);--log_level- ืืึธืืื ื ืืืจืื (ืึทืคึผืฉืึทื ืึทื ืคึผืึทืจืึทืืขืืขืจ, ืคืขืืืงืืึทื ืืื INFO).
ืืึทืคึฟืขื ืืืืฉืคืืื
ืึทืจืืฉืืืืื ื ืึท ืืืฉ
ืื ืืืืคึผื ืคึฟืื ืงืฆืืข ืคืื โโืื ื ืืฆื ืืื ืืึทืื ืึทืจืืฉืืืืื ื, ื.ื. ืืจืึทื ืกืคืขืจืื ื ืจืึธืื ืคืื ืื ืืืืคึผื ืืืฉ ืฆื ืื ืึทืจืงืืืื ืืืฉ (ืืืฉื, ืคึฟืื ืื ืืืฉ ืกืคืจืื ะฒ books_archive).
ืืืืืฉืึทื ืึธื ืึทืจืืฉืืืืื ื ืืื ืืืื ืืขืฉืืืฆื: ืคึฟืึทืจ ืืขื ืืืจ ืืึทืจืคึฟื ืฆื ืฉืืขืื ืืขื ืคึผืึทืจืึทืืขืืขืจ ืืื config.ini to_archive = ืคืึทืืฉ).
ืคืืจืืื ืื ืคึผืึทืจืึทืืขืืขืจืก - config_path, ืืืฉ ืืื ืืืก.
ื ืึธื ืงืึทืืขืจ, ืจืขืงืึธืจืืก ืืืขื ืืืื ืจืขืงืืจืกืืืืขืื ืืืืกืืขืืขืงื ids ืืื ืื ืืืฉ table ืืื ืืื ืึทืืข ืืืฉื ืืืึธืก ืจืืคืขืจื ืฆื ืืื.
$ pggraph archive_table --config_path config.hw.local.ini --table flights --ids 1,2,3
2020-06-20 19:27:44 INFO: flights - START
2020-06-20 19:27:44 INFO: flights - start archive_recursive 3 rows (depth=0)
2020-06-20 19:27:44 INFO: START ARCHIVE REFERRING TABLES
2020-06-20 19:27:44 INFO: ticket_flights - start archive_recursive 3 rows (depth=1)
2020-06-20 19:27:44 INFO: START ARCHIVE REFERRING TABLES
2020-06-20 19:27:44 INFO: boarding_passes - start archive_recursive 3 rows (depth=2)
2020-06-20 19:27:44 INFO: START ARCHIVE REFERRING TABLES
2020-06-20 19:27:44 INFO: END ARCHIVE REFERRING TABLES
2020-06-20 19:27:44 INFO: boarding_passes - archive_by_ids 3 rows by ticket_no, flight_id
2020-06-20 19:27:44 INFO: boarding_passes - start archive_recursive 3 rows (depth=2)
2020-06-20 19:27:44 INFO: START ARCHIVE REFERRING TABLES
2020-06-20 19:27:44 INFO: END ARCHIVE REFERRING TABLES
2020-06-20 19:27:44 INFO: boarding_passes - archive_by_ids 3 rows by ticket_no, flight_id
2020-06-20 19:27:44 INFO: boarding_passes - start archive_recursive 3 rows (depth=2)
2020-06-20 19:27:44 INFO: START ARCHIVE REFERRING TABLES
2020-06-20 19:27:44 INFO: END ARCHIVE REFERRING TABLES
2020-06-20 19:27:44 INFO: boarding_passes - archive_by_ids 3 rows by ticket_no, flight_id
2020-06-20 19:27:44 INFO: boarding_passes - start archive_recursive 3 rows (depth=2)
2020-06-20 19:27:44 INFO: START ARCHIVE REFERRING TABLES
2020-06-20 19:27:44 INFO: END ARCHIVE REFERRING TABLES
2020-06-20 19:27:44 INFO: boarding_passes - archive_by_ids 3 rows by ticket_no, flight_id
2020-06-20 19:27:44 INFO: END ARCHIVE REFERRING TABLES
2020-06-20 19:27:44 INFO: ticket_flights - archive_by_ids 3 rows by ticket_no, flight_id
2020-06-20 19:27:44 INFO: END ARCHIVE REFERRING TABLES
2020-06-20 19:27:44 INFO: flights - archive_by_ids 3 rows by id
2020-06-20 19:27:44 INFO: flights - ENDืืขืคึฟืื ืขื ืืืคึผืขื ืืึทื ืกืื ืคึฟืึทืจ ืึท ืกืคึผืขืกืึทืคืืื ืืืฉ
ืคึฟืื ืงืฆืืข ืฆื ืืขืคึฟืื ืขื ืืืคึผืขื ืืึทื ืกืื ืคืื ืึท ืกืคึผืขืกืืคืืขื ืืืฉ table. ืคืืจืืื ืื ืคึผืึทืจืึทืืขืืขืจืก - config_path ะธ table.
ื ืึธื ืงืึทืืขืจ, ืึท ืืืขืจืืขืจืืื ืืืขื ืืืื ืืขืืืืื ืืืืฃ ืืขื ืขืงืจืึทื, ืืื:
in_refs- ืึท ืืืขืจืืขืจืืื ืคืื ืืืฉื ืจืขืคืขืจืขื ืกืื ื ืึท ืืขืืขืื ืืืื ืขืจ, ืืื ืืขืจ ืฉืืืกื ืืื ืื ื ืึธืืขื ืคืื ืื ืืืฉ, ืื ืืืขืจื ืืื ืึท ืจืฉืืื ืคืื ืคืจืขืื ืฉืืืกื ืึทืืืืฉืขืงืฅ (pk_main- ืขืจืฉืืืง ืฉืืืกื ืืื ืื ืืืืคึผื ืืืฉ,pk_ref- ืขืจืฉืืืง ืฉืืืกื ืืื ืื ืจืขืคืขืจืขื ืกืื ื ืืืฉ,fk_ref- ืืขืจ ื ืึธืืขื ืคืื ืืขืจ ืืืึทื ืืืึธืก ืืื ืืขืจ ืคืจืขืื ืฉืืืกื ืฆื ืื ืืงืืจ ืืืฉ);out_refsโ ื ืืืขืจืืขืจืืื ืคืื ืืืฉื ืืืืฃ ืืขื ืจืขืคืขืจืืจื ืืขื.
$ pggraph get_table_references --config_path config.hw.local.ini --table flights
{'in_refs': {'ticket_flights': [ForeignKey(pk_main='flight_id', pk_ref='ticket_no, flight_id', fk_ref='flight_id')]},
'out_refs': {'aircrafts': [ForeignKey(pk_main='aircraft_code', pk_ref='flight_id', fk_ref='aircraft_code')],
'airports': [ForeignKey(pk_main='airport_code', pk_ref='flight_id', fk_ref='arrival_airport'),
ForeignKey(pk_main='airport_code', pk_ref='flight_id', fk_ref='departure_airport')]}}ืืขืคึฟืื ืขื ืจืขืคืขืจืขื ืฆื ืฆื ืกืืจืื ืืก ืืื ืื ืกืคึผืขืกืึทืคืืื ืขืจืฉืืืง ืฉืืืกื
ืคืื ืงืฆืืข ืฆื ืืืื ืคึฟืึทืจ ืจืึธืื ืืื ืื ืืขืจืข ืืืฉื ืืืึธืก ืึธืคึผืฉืืงื ืฆื ืจืึธืื ืืืจื ืคืจืขืื ืฉืืืกื ids ืืืฉื table. ืคืืจืืื ืื ืคึผืึทืจืึทืืขืืขืจืก - config_path, table ะธ ids.
ื ืึธื ืงืึทืืขืจ, ืึท ืืืขืจืืขืจืืื ืืื ืื ืคืืืืขื ืืข ืกืืจืืงืืืจ ืืืขื ืืืื ืืขืืืืื ืืืืฃ ืืขื ืขืงืจืึทื:
{
pk_id_1: {
reffering_table_name_1: {
foreign_key_1: [
{row_pk_1: value, row_pk_2: value},
...
],
...
},
...
},
pk_id_2: {...},
...
}ืืืึทืฉืคึผืื ืจืืคื:
$ pggraph get_rows_references --config_path config.hw.local.ini --table flights --ids 1,2,3
{1: {'ticket_flights': {'flight_id': [{'flight_id': 1,
'ticket_no': '0005432816945'},
{'flight_id': 1,
'ticket_no': '0005432816941'}]}},
2: {'ticket_flights': {'flight_id': [{'flight_id': 2,
'ticket_no': '0005433101832'},
{'flight_id': 2,
'ticket_no': '0005433101864'},
{'flight_id': 2,
'ticket_no': '0005432919715'}]}},
3: {'ticket_flights': {'flight_id': [{'flight_id': 3,
'ticket_no': '0005432817560'},
{'flight_id': 3,
'ticket_no': '0005432817568'},
{'flight_id': 3,
'ticket_no': '0005432817559'}]}}}ื ืืฆื ืืื ืงืึธื
ืืื ืึทืืืฉืึทื ืฆื ืืืืคื ืขืก ืืื ืื ืงืึทื ืกืึธืื, ืื ืืืืืืึธืืขืง ืงืขื ืขื ืืืื ืืขืืืืื ื ืืื ืคึผืืืืึธื ืงืึธื. ืืืืฉืคืืื ืคืื ืงืึทืืืก ืืื ืื iPython ืื ืืขืจืึทืงืืืื ืกืืืืืืข ืืขื ืขื ืืขืืืืื ืืื ืื.
ืึทืจืืฉืืืืื ื ืึท ืืืฉ
>>> from pg_graph.main import setup_logging
>>> setup_logging(log_level='DEBUG')
>>> from pg_graph.api import PgGraphApi
>>> api = PgGraphApi('config.hw.local.ini')
>>> api.archive_table('flights', [4,5])
2020-06-20 23:12:08 INFO: flights - START
2020-06-20 23:12:08 INFO: flights - start archive_recursive 2 rows (depth=0)
2020-06-20 23:12:08 INFO: START ARCHIVE REFERRING TABLES
2020-06-20 23:12:08 DEBUG: ticket_flights - ForeignKey(pk_main='flight_id', pk_ref='flight_id, ticket_no', fk_ref='flight_id')
2020-06-20 23:12:08 DEBUG: SQL('SELECT flight_id, ticket_no FROM bookings.ticket_flights WHERE (flight_id) IN (%s, %s)')
2020-06-20 23:12:08 INFO: ticket_flights - start archive_recursive 30 rows (depth=1)
2020-06-20 23:12:08 INFO: START ARCHIVE REFERRING TABLES
2020-06-20 23:12:08 DEBUG: boarding_passes - ForeignKey(pk_main='flight_id, ticket_no', pk_ref='flight_id, ticket_no', fk_ref='flight_id, ticket_no')
2020-06-20 23:12:08 INFO: boarding_passes - archive_by_fk 30 rows by ForeignKey(pk_main='flight_id, ticket_no', pk_ref='flight_id, ticket_no', fk_ref='flight_id, ticket_no')
2020-06-20 23:12:08 DEBUG: SQL('CREATE TABLE IF NOT EXISTS bookings.boarding_passes_archive (LIKE bookings.boarding_passes)')
2020-06-20 23:12:08 DEBUG: DELETE FROM boarding_passes by FK flight_id, ticket_no - 30 rows
2020-06-20 23:12:08 INFO: END ARCHIVE REFERRING TABLES
2020-06-20 23:12:08 INFO: ticket_flights - archive_by_ids 30 rows by flight_id, ticket_no
2020-06-20 23:12:08 DEBUG: SQL('CREATE TABLE IF NOT EXISTS bookings.ticket_flights_archive (LIKE bookings.ticket_flights)')
2020-06-20 23:12:08 DEBUG: DELETE FROM ticket_flights by flight_id, ticket_no - 30 rows
2020-06-20 23:12:08 DEBUG: INSERT INTO ticket_flights_archive - 30 rows
2020-06-20 23:12:08 INFO: ticket_flights - start archive_recursive 30 rows (depth=1)
2020-06-20 23:12:08 INFO: START ARCHIVE REFERRING TABLES
2020-06-20 23:12:08 DEBUG: boarding_passes - ForeignKey(pk_main='flight_id, ticket_no', pk_ref='flight_id, ticket_no', fk_ref='flight_id, ticket_no')
2020-06-20 23:12:08 INFO: boarding_passes - archive_by_fk 30 rows by ForeignKey(pk_main='flight_id, ticket_no', pk_ref='flight_id, ticket_no', fk_ref='flight_id, ticket_no')
2020-06-20 23:12:08 DEBUG: SQL('CREATE TABLE IF NOT EXISTS bookings.boarding_passes_archive (LIKE bookings.boarding_passes)')
2020-06-20 23:12:08 DEBUG: DELETE FROM boarding_passes by FK flight_id, ticket_no - 30 rows
2020-06-20 23:12:08 INFO: END ARCHIVE REFERRING TABLES
2020-06-20 23:12:08 INFO: ticket_flights - archive_by_ids 30 rows by flight_id, ticket_no
2020-06-20 23:12:08 DEBUG: SQL('CREATE TABLE IF NOT EXISTS bookings.ticket_flights_archive (LIKE bookings.ticket_flights)')
2020-06-20 23:12:08 DEBUG: DELETE FROM ticket_flights by flight_id, ticket_no - 30 rows
2020-06-20 23:12:08 DEBUG: INSERT INTO ticket_flights_archive - 30 rows
2020-06-20 23:12:08 INFO: ticket_flights - start archive_recursive 30 rows (depth=1)
2020-06-20 23:12:08 INFO: START ARCHIVE REFERRING TABLES
2020-06-20 23:12:08 DEBUG: boarding_passes - ForeignKey(pk_main='flight_id, ticket_no', pk_ref='flight_id, ticket_no', fk_ref='flight_id, ticket_no')
2020-06-20 23:12:08 INFO: boarding_passes - archive_by_fk 30 rows by ForeignKey(pk_main='flight_id, ticket_no', pk_ref='flight_id, ticket_no', fk_ref='flight_id, ticket_no')
2020-06-20 23:12:08 DEBUG: SQL('CREATE TABLE IF NOT EXISTS bookings.boarding_passes_archive (LIKE bookings.boarding_passes)')
2020-06-20 23:12:08 DEBUG: DELETE FROM boarding_passes by FK flight_id, ticket_no - 30 rows
2020-06-20 23:12:08 INFO: END ARCHIVE REFERRING TABLES
2020-06-20 23:12:08 INFO: ticket_flights - archive_by_ids 30 rows by flight_id, ticket_no
2020-06-20 23:12:08 DEBUG: SQL('CREATE TABLE IF NOT EXISTS bookings.ticket_flights_archive (LIKE bookings.ticket_flights)')
2020-06-20 23:12:08 DEBUG: DELETE FROM ticket_flights by flight_id, ticket_no - 30 rows
2020-06-20 23:12:08 DEBUG: INSERT INTO ticket_flights_archive - 30 rows
2020-06-20 23:12:08 INFO: ticket_flights - start archive_recursive 3 rows (depth=1)
2020-06-20 23:12:08 INFO: START ARCHIVE REFERRING TABLES
2020-06-20 23:12:08 DEBUG: boarding_passes - ForeignKey(pk_main='flight_id, ticket_no', pk_ref='flight_id, ticket_no', fk_ref='flight_id, ticket_no')
2020-06-20 23:12:08 INFO: boarding_passes - archive_by_fk 3 rows by ForeignKey(pk_main='flight_id, ticket_no', pk_ref='flight_id, ticket_no', fk_ref='flight_id, ticket_no')
2020-06-20 23:12:08 DEBUG: SQL('CREATE TABLE IF NOT EXISTS bookings.boarding_passes_archive (LIKE bookings.boarding_passes)')
2020-06-20 23:12:08 DEBUG: DELETE FROM boarding_passes by FK flight_id, ticket_no - 3 rows
2020-06-20 23:12:08 INFO: END ARCHIVE REFERRING TABLES
2020-06-20 23:12:08 INFO: ticket_flights - archive_by_ids 3 rows by flight_id, ticket_no
2020-06-20 23:12:08 DEBUG: SQL('CREATE TABLE IF NOT EXISTS bookings.ticket_flights_archive (LIKE bookings.ticket_flights)')
2020-06-20 23:12:08 DEBUG: DELETE FROM ticket_flights by flight_id, ticket_no - 3 rows
2020-06-20 23:12:08 DEBUG: INSERT INTO ticket_flights_archive - 3 rows
2020-06-20 23:12:08 INFO: END ARCHIVE REFERRING TABLES
2020-06-20 23:12:08 INFO: flights - archive_by_ids 2 rows by flight_id
2020-06-20 23:12:09 DEBUG: SQL('CREATE TABLE IF NOT EXISTS bookings.flights_archive (LIKE bookings.flights)')
2020-06-20 23:12:09 DEBUG: DELETE FROM flights by flight_id - 2 rows
2020-06-20 23:12:09 DEBUG: INSERT INTO flights_archive - 2 rows
2020-06-20 23:12:09 INFO: flights - ENDืืขืคึฟืื ืขื ืืืคึผืขื ืืึทื ืกืื ืคึฟืึทืจ ืึท ืกืคึผืขืกืึทืคืืื ืืืฉ
>>> from pg_graph.api import PgGraphApi
>>> from pprint import pprint
>>> api = PgGraphApi('config.hw.local.ini')
>>> res = api.get_table_references('flights')
>>> pprint(res)
{'in_refs': {'ticket_flights': [ForeignKey(pk_main='flight_id', pk_ref='flight_id, ticket_no', fk_ref='flight_id')]},
'out_refs': {'aircrafts': [ForeignKey(pk_main='aircraft_code', pk_ref='flight_id', fk_ref='aircraft_code')],
'airports': [ForeignKey(pk_main='airport_code', pk_ref='flight_id', fk_ref='arrival_airport'),
ForeignKey(pk_main='airport_code', pk_ref='flight_id', fk_ref='departure_airport')]}}ืืขืคึฟืื ืขื ืจืขืคืขืจืขื ืฆื ืฆื ืกืืจืื ืืก ืืื ืื ืกืคึผืขืกืึทืคืืื ืขืจืฉืืืง ืฉืืืกื
>>> from pg_graph.api import PgGraphApi
>>> from pprint import pprint
>>> api = PgGraphApi('config.hw.local.ini')
>>> rows = api.get_rows_references('flights', [1,2,3])
>>> pprint(rows)
{1: {'ticket_flights': {'flight_id': [{'flight_id': 1,
'ticket_no': '0005432816945'},
{'flight_id': 1,
'ticket_no': '0005432816941'}]}},
2: {'ticket_flights': {'flight_id': [{'flight_id': 2,
'ticket_no': '0005433101832'},
{'flight_id': 2,
'ticket_no': '0005433101864'},
{'flight_id': 2,
'ticket_no': '0005432919715'}]}},
3: {'ticket_flights': {'flight_id': [{'flight_id': 3,
'ticket_no': '0005432817560'},
{'flight_id': 3,
'ticket_no': '0005432817568'},
{'flight_id': 3,
'ticket_no': '0005432817559'}]}}}ืืขืจ ืืืืืืึธืืขืง ืืงืืจ ืงืึธื ืืื ืื ืืืฆื ืืื ืืื ืืขืจ MIT ืืขืจืืืืืขื ืืฉ, ืืื ืืขืืื ื ืืื ืืื ืื ืจืืคึผืึทืืึทืืึธืจื .
ืืื ืืืขื ืืืื ืฆืืคืจืืื ืืื ืืึทืืขืจืงืื ืืขื, ืงืึทืืืฅ ืืื ืคึฟืืจืืืืื.
ืืื ืืืขื ืคึผืจืืืืจื ืฆื ืขื ืืคึฟืขืจื ืคึฟืจืืื ืฆื ืื ืืขืกืืขืจ ืคืื ืืืื ืคืืืืงืืื ืืึธ ืืื ืืื ืื ืจืืคึผืึทืืึทืืึธืจื.
ืืงืืจ: www.habr.com