将列表插入python3 sqlite3中的一行

Question

So suppose I made an sqlite3 database in which I made a table

c.execute("CREATE TABLE tablnam(thing TEXT, thing2 TEXT, thing3 TEXT)")

then I made a list

list = ["a","b","c"]

How would I go about inserting that one list into tablnam in just one row. I've tried

c.execute("insert into this values(?)",list)

but it returns Traceback (most recent call last): File "<stdin>", line 1, in <module> ValueError: parameters are of unsupported type

so to clarify for those who don't understand: I want to insert a lists values, into ONE row in an sqlite3 table in python thx!

Answer 1

Well buddy, that can't work, you are trying to put a list where a text belongs. Try doing it that way:

c.execute("INSERT INTO tablenam(thing, thing2, thing3) VALUES (?, ?, ?)",list[0], list[1], list[2])

Differences to your suggestions:

• I am putting a single string into each text field
• you can only insert exactly three list items per row.
• I've changed your SQL Syntax to contain tablenam and also put in the column names
• changed the SQL style: keywords in allcaps

Note that you can't (and shouldn't) put an entire list into a single row in a DB. If you have to do something along those lines, have a look at foreign keys.