Is it necessary to encode() for file names in sqlar format?

I use the following python3 code to create sqlar file. Is it necessary
to sys.argv[2].encode('utf-8') in the line of execute()? In other
word, does the native sqlar tools inteprete the name column as an
encoded value or a non-encode value? Thanks.

import sqlite3
conn=sqlite3.connect(sys.argv[1])
c=conn.cursor()
c.execute('''
CREATE TABLE IF NOT EXISTS sqlar(
name TEXT PRIMARY KEY
, mode INT
, mtime INT
, sz INT
, data BLOB)
''')

import zlib
data = sys.stdin.buffer.read()
c.execute('REPLACE INTO sqlar VALUES(?, ?, ?, ?, ?)', [sys.argv[2], 0,
0, len(data), zlib.compress(data)])
conn.commit()

-- 
Regards,
Peng
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