f-string for multiple SQL lines

Question

This one works (one line only):

   c.execute(f"SELECT Firm, Platform, `Sale in million` FROM database WHERE Platform IN  ({','.join('?' for _ in list_table)}) ORDER BY Firm", (list_table))

But these ones don't (2 lines):

c.execute(f"SELECT Firm, Platform, `Sale in million` FROM database 
          WHERE Platform IN  ({','.join('?' for _ in list_table)}) ORDER BY Firm", (list_table))

c.execute(f"SELECT Firm, Platform, `Sale in million` FROM database" 
          f"WHERE Platform IN  ({','.join('?' for _ in list_table)}) ORDER BY Firm", (list_table))"

c.execute("SELECT Firm, Platform, `Sale in million` FROM database" 
          f"WHERE Platform IN  ({','.join('?' for _ in list_table)}) ORDER BY Firm", (list_table))"

How do you use f-string in multiple lines?

Never use f-string for building SQL queries. See for example this: github.com/arogozhnikov/python3_with_pleasure/issues/3 — Francisco Puga
– Francisco Puga, Commented Jun 30, 2021 at 11:46

Paritosh Singh · Accepted Answer · 2019-01-09 19:16:03Z

1

The issue stems from essentially invalid multi lines and not really any fault of f-string.. Note that you only need to use your variables inside the {} parenthesis and not pass them separately with f-string syntax. Use triple quotes or backslashes at end of strings to use multi line strings. Link to docs

test = "this is a 
       bad multiline " #Raises SyntaxError: EOL while scanning string literal

test = ''' this is a 
         valid multiline'''

a = "answer"

print(f'''test
        is complete. check {a} ''')

edited Jan 9, 2019 at 19:16

answered Jan 9, 2019 at 19:08

Paritosh Singh

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