def update(cls, record: dict, **where):
sql_where, arguments = cls._where(**where)
arguments = tuple(record.values()) + arguments
sql = "UPDATE {TABLE} SET {P} {WHERE}".format(TABLE=cls.table,
P=','.join(['{}=%s'.format(n) for n in record.keys()]),
WHERE=sql_where)
connection = dao.connect()
cursor = connection.cursor()
cursor.execute(sql, arguments)
connection.commit()
def first_or_default(cls, **where):
sql_where, arguments = cls._where(**where)
sql = "SELECT {COLUMNS} FROM {TABLE} {WHERE}".format(COLUMNS=','.join(cls.columns),
TABLE=cls.table,
WHERE=sql_where)
connection = dao.connect()
cursor = connection.cursor(cursor=DictCursor)
cursor.execute(sql, arguments) if arguments else cursor.execute(sql)
return cursor.fetchone()
def batch_insert(cls, columns, rows):
row_values = '(' + ','.join(itertools.repeat('%s', len(columns))) + ')'
sql_values = ','.join(itertools.repeat(row_values, len(rows)))
arguments = [v for row in rows for v in row]
sql = "INSERT INTO {TABLE} ({COLUMNS}) VALUES {VALUES}".format(TABLE=cls.table,
COLUMNS=','.join(columns),
VALUES=sql_values)
connection = dao.connect()
cursor = connection.cursor()
cursor.execute(sql, arguments)
connection.commit()
cursor.close()
def insert(cls, record: dict) -> int:
sql = "INSERT INTO {TABLE} ({P}) VALUES ({V})".format(TABLE=cls.table,
P=','.join(record.keys()),
V=','.join(itertools.repeat('%s', times=len(record))))
arguments = tuple(record.values())
connection = dao.connect()
cursor = connection.cursor()
cursor.execute(sql, arguments)
cursor.execute('SELECT LAST_INSERT_ID()')
createdid = cursor.fetchone()[0]
connection.commit()
return createdid
def all(cls, *orderby, **where):
sql_orderby = cls._orderby(*orderby)
sql_where, arguments = cls._where(**where)
sql = "SELECT {COLUMNS} FROM {TABLE} {WHERE} {ORDERBY}".format(COLUMNS=','.join(cls.columns),
TABLE=cls.table,
WHERE=sql_where,
ORDERBY=sql_orderby)
connection = dao.connect()
cursor = connection.cursor(cursor=DictCursor)
cursor.execute(sql, arguments) if arguments else cursor.execute(sql)
return cursor.fetchall()
def batch_insert_or_update(cls, columns, rows, columns_updated_on_duplicate):
row_values = '(' + ','.join(itertools.repeat('%s', len(columns))) + ')'
sql_values = ','.join(itertools.repeat(row_values, len(rows)))
dumpicates = ','.join(['{0}=VALUES({0})'.format(c) for c in columns_updated_on_duplicate])
sql = "INSERT INTO {TABLE} ({COLUMNS}) VALUES {VALUES} " \
"ON DUPLICATE KEY UPDATE {DUPLIATES}".format(TABLE=cls.table,
COLUMNS=','.join(columns),
VALUES=sql_values,
DUPLIATES=dumpicates)
connection = dao.connect()
cursor = connection.cursor()
cursor.execute(sql, [v for row in rows for v in row])
connection.commit()
cursor.close()
def get_bizs_of_operators(cls, operatorids):
sql = 'SELECT {COLUMNS} ' \
'FROM {TABLE} ' \
'WHERE disabled=0 ' \
'AND operator IN ({IN}) ORDER BY id'.format(COLUMNS=','.join(cls.columns),
TABLE=cls.table,
IN=','.join(
[str(b) for b in operatorids]))
connection = dao.connect()
cursor = connection.cursor(cursor=DictCursor)
cursor.execute(sql)
properties = cursor.fetchall()
cursor.close()
return properties
import dao
import random
import time
dao.connect()
while(True):
data=[random.randint(0, 10), random.randint(0, 1)]
dao.insertRow('people', data)
data=[random.randint(2500, 20000), random.randint(0, 1)]
dao.insertRow('oven', data)
data=[random.randint(0, 1), random.randint(0, 700), random.randint(0, 3000), random.randint(0, 1)]
dao.insertRow('temp', data)
time.sleep(2);
dao.disConnect()
