[英]Why can't I loop through a `payload` in `requests` to iterate my web scrape?
[英]Why can't I loop through and drop databases?
有一種情況,我想通過 go 並刪除數據庫名稱中具有特定文本的所有數據庫。 它總是刪除一個數據庫,然后什么也不做。 我怎樣才能解決這個問題?
def connect():
mydb = mysql.connector.connect(
host="localhost",
user="root",
password=""
)
return mydb
mydb = connect()
mycursor = mydb.cursor(buffered=True)
mycursor.execute("SHOW DATABASES")
for x in mycursor:
if ("_tenant_billing" in str(x[0]).lower()):
print(x[0])
db = x[0]
mycursor.execute("DROP DATABASE " + db)
mydb.commit()
發布為答案。
執行 fetchall() 然后迭代
databases = mycursor.execute("SHOW DATABASES").fetchall()
for database in databases:
# your stuff
請執行下面的代碼並觀察返回了多少行。
def connect(): mydb = mysql.connector.connect(host="localhost", user="root", password="") 返回 mydb
mydb = connect()
mycursor = mydb.cursor(buffered=True)
mycursor.execute("SHOW DATABASES")
for x in mycursor:
if ("_tenant_billing" in str(x[0]).lower()):
print(x[0])
db = x[0]
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