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December 10, 2019 21:57
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ON DUPLICATE KEY UPDATE (with python and mysql.connector)
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import mysql.connector | |
# Create MySQL Database Connection | |
database_connection = mysql.connector.connect( | |
host="99.111.11.99", # dummy ip address | |
user="your-super-sweet-admin-name", | |
passwd="y0uRpAsSw0Rd", | |
database="your_db" | |
) | |
cursor = database_connection.cursor() | |
values = ( | |
"myTransactionID", | |
"myUserID", | |
"myName", | |
9.99, | |
"myCategoryA", | |
"myCategoryB", | |
"myCategoryC", | |
123, | |
"1970-01-01", | |
"XYZ", | |
"myAddress", | |
50.0, | |
50.0, | |
"CA", | |
"90210", | |
1, | |
"myTransactionType") # single tuple will hold one row worth of database data | |
sql = "\ | |
INSERT INTO transaction_table \ | |
(transaction_id_column, \ | |
user_id_column, \ | |
name_column, \ | |
amount_column, \ | |
category_a_column, \ | |
category_b_column, \ | |
category_c_column, \ | |
category_id_column, \ | |
date_column, \ | |
iso_currency_code_column, \ | |
address_column, \ | |
lat_column, \ | |
lon_column, \ | |
state_column, \ | |
zip_column, \ | |
pending_column, \ | |
transaction_type_column) VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s) \ | |
ON DUPLICATE KEY UPDATE \ | |
user_id_column = VALUES(user_id_column), \ | |
name_column = VALUES(name_column), \ | |
amount_column = VALUES(amount_column), \ | |
category_a_column = VALUES(category_a_column), \ | |
category_b_column = VALUES(category_b_column), \ | |
category_c_column = VALUES(category_c_column), \ | |
category_id_column = VALUES(category_id_column), \ | |
date_column = VALUES(date_column), \ | |
iso_currency_code_column = VALUES(iso_currency_code_column), \ | |
address_column = VALUES(address_column), \ | |
lat_column = VALUES(lat_column), \ | |
lon_column = VALUES(lon_column), \ | |
state_column = VALUES(state_column), \ | |
zip_column = VALUES(zip_column), \ | |
pending_column = VALUES(pending_column), \ | |
transaction_type_column = VALUES(transaction_type_column)" | |
cursor.execute(sql, values) | |
database_connection.commit() |
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what about a null or NaN