使用Python將字典結果存儲到數據庫（PostgreSQL）

Question

我想將以下字典的結果插入數據庫（我正在使用PostgreSQL）：

companies_list = dict(zip(code, short_name))

運行代碼並打印后，此字典的結果將顯示以下內容（例如）：

companies_list = { '00001': 'A', '00002': 'B', '0010': 'Z'}

所以當我試圖將上面的字典插入下面的數據庫（代碼）時：

con = None
con = psycopg2.connect("dbname = 'testdb' user='user'")
cur = con.cursor()

cur.execute("CREATE TABLE companies_info(code TEXT PRIMARY KEY, short_name TEXT)")


query = "INSERT INTO companies_info ( code, short_name) VALUES ( %(code)s, %(short_name)s)"
cur.executemany(query, companies_list)

con.commit()
con.close()

我得到以下內容：

cur.executemany(query, companies_list)
TypeError: string indices must be integers, not str

任何人都可以解決他的錯誤？

Answer 1

code = ['00001', '00002', '0010']
short_name = ['A', 'B', 'Z']
companies_list = [tuple((t,)) for t in zip(code, short_name)]
query = "insert into companies_info (code, short_name) values %s"
cursor.executemany(query, companies_list)