Create index doesn't work for columns containing spaces

[simonw]

No description provided.

[simonw]

Here's why:

sqlite-utils/sqlite_utils/db.py

Lines 627 to 636 in 0c2451e

	sql = """
	CREATE {unique}INDEX {if_not_exists}{index_name}
	ON {table_name} ({columns});
	""".format(
	index_name=index_name,
	table_name=self.name,
	columns=", ".join(columns),
	unique="UNIQUE " if unique else "",
	if_not_exists="IF NOT EXISTS " if if_not_exists else "",
	)