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This commit is contained in:
Minh VU
2024-12-03 14:08:26 +01:00
parent e90ece4dfb
commit a05d9240f8
3 changed files with 41 additions and 30 deletions
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57
MonetDB.py
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@@ -1,34 +1,44 @@
import pymonetdb
connection = pymonetdb.connect(username="monetdb", password="monetdb", hostname="localhost", database="demo")
# create a cursor
cursor = connection.cursor()
createAirlines = """CREATE TABLE airlines("IATA_CODE" VARCHAR(2) NOT NULL PRIMARY KEY UNIQUE, "AIRLINE" VARCHAR(99) NOT NULL);"""
createAirports = """CREATE TABLE airports("IATA_CODE" VARCHAR(3) NOT NULL PRIMARY KEY UNIQUE, "AIRPORT" VARCHAR(100), "CITY" VARCHAR(40),
"STATE" VARCHAR(2), "COUNTRY" VARCHAR(40), "LATITUDE" REAL, "LONGITUDE" REAL);"""
createAirports = """CREATE TABLE airports("IATA_CODE" VARCHAR(3) NOT NULL PRIMARY KEY UNIQUE, "AIRPORT" VARCHAR(100), "CITY" VARCHAR(40), "STATE" VARCHAR(2), "COUNTRY" VARCHAR(40), "LATITUDE" REAL, "LONGITUDE" REAL);"""
createFlights = """CREATE TABLE flights("YEAR" INT, "MONTH" INT, "DAY" INT, "DAY_OF_WEEK" INT, "AIRLINE" VARCHAR(2), "FLIGHT_NUMBER" INT,
"TAIL_NUMBER" VARCHAR(6), "ORIGIN_AIRPORT" VARCHAR(5), "DESTINATION_AIRPORT" VARCHAR(5), "SCHEDULED_DEPARTURE" INT, "DEPARTURE_TIME" INT,
"DEPARTURE_DELAY" INT, "TAXI_OUT" INT, "WHEELS_OFF" INT, "SCHEDULED_TIME" INT, "ELAPSED_TIME" INT, "AIR_TIME" INT, "DISTANCE" INT,
WHEELS_ON" INT, "TAXI_IN" INT, "SCHEDULED_ARRIVAL" INT, "ARRIVAL_TIME" INT, "ARRIVAL_DELAY" INT, "DIVERTED" INT, "CANCELLED" INT,
"WHEELS_ON" INT, "TAXI_IN" INT, "SCHEDULED_ARRIVAL" INT, "ARRIVAL_TIME" INT, "ARRIVAL_DELAY" INT, "DIVERTED" INT, "CANCELLED" INT,
"CANCELLATION_REASON" VARCHAR(1), "AIR_SYSTEM_DELAY" INT, "SECURITY_DELAY" INT, "AIRLINE_DELAY" INT, "LATE_AIRCRAFT_DELAY" INT, "WEATHER_DELAY" INT);"""
peuplementAirlines = """COPY INTO airlines
FROM 'C:\\Users\\Public\\2015_Flight_Delay_and_cancellations\\airlines.csv'
USING DELIMITERS ',', E'\n', '\"';"""
peuplementAirports = """COPY INTO airports
FROM 'C:\\Users\\Public\\2015_Flight_Delay_and_cancellations\\airports.csv'
USING DELIMITERS ',', E'\n', '"' NULL AS '';
"""
peuplementAirlines = """COPY INTO airlines FROM 'C:\\Users\\Public\\2015_Flight_Delay_and_cancellations\\airlines.csv' USING DELIMITERS ',', E'\n', '\"';"""
peuplementAirports = """COPY INTO airports FROM 'C:\\Users\\Public\\2015_Flight_Delay_and_cancellations\\airports.csv' USING DELIMITERS ',', E'\n', '"' NULL AS '';"""
peuplementFlights = """COPY INTO flights FROM 'C:\\Users\\Public\\2015_Flight_Delay_and_cancellations\\flights.csv' USING DELIMITERS ',', E'\n', '"' NULL AS '';"""
def connect_monetdb():
connection = pymonetdb.connect(username="monetdb", password="monetdb", hostname="localhost", database="demo")
# create a cursor
cursor = connection.cursor()
return connection, cursor
def create_table_monetdb(cursor):
return 0
def create_data_monetdb(cursor):
cursor.execute(peuplementAirlines)
cursor.execute(peuplementFlights)
cursor.execute(peuplementAirports)
peuplementFlights = """COPY INTO flights
FROM 'C:\\Users\\Public\\2015_Flight_Delay_and_cancellations\\flights.csv'
USING DELIMITERS ',', E'\n', '"' NULL AS '';"""
requeteSelect1 = """SELECT * FROM flights WHERE "AIRLINE" = 'AA';"""
@@ -40,4 +50,5 @@ WHERE airline = 'AA'
requeteDelete = """DELETE FROM flights WHERE "DAY" > 10"""
requeteInsert = """INSERT INTO flights SELECT * FROM flights10"""
requeteInsert = """INSERT INTO flights SELECT * FROM flights10"""