[英]Passing variable into sql query in python (sqlite3)
我正在通過參數將值傳遞到查詢中。 問題是運行以下代碼時:
import sqlite3
def top10(restaurant):
con = sqlite3.connect('example.db')
cur = con.cursor()
t = (restaurant,)
cur.execute("SELECT * from orchard WHERE CUISINE_DESCRIPTION LIKE '%?%' ORDER BY SCORE;", t)
return cur.fetchone()
print(top10("thai"))
我收到以下錯誤:
sqlite3.ProgrammingError: Incorrect number of bindings supplied. The current statement uses 0, and there are 1 supplied.
我不確定是什么觸發的。 當我嵌入一個名為thai
的值而不是傳入變量時,這就是成功運行的結果:
cur.execute("SELECT * from orchard WHERE CUISINE_DESCRIPTION LIKE '%thai%' ORDER BY SCORE;")
有什么事嗎
試試這個
cur.execute("SELECT * from orchard WHERE CUISINE_DESCRIPTION LIKE ? ORDER BY SCORE;", '%'+t+'%')
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