Jimexist commented on pull request #477:
URL: https://github.com/apache/arrow-datafusion/pull/477#issuecomment-852989733
```
In [3]: from datafusion import functions as f
In [4]: dir(f)
Out[4]:
['__all__',
'__doc__',
'__loader__',
'__name__',
'__package__',
'__spec__',
'array',
'ascii',
'avg',
'bit_length',
'btrim',
'character_length',
'chr',
'col',
'concat_ws',
'count',
'in_list',
'initcap',
'left',
'lit',
'lower',
'lpad',
'ltrim',
'max',
'md5',
'min',
'now',
'octet_length',
'random',
'regexp_replace',
'repeat',
'replace',
'reverse',
'right',
'rpad',
'rtrim',
'sha224',
'sha256',
'sha384',
'sha512',
'split_part',
'starts_with',
'strpos',
'substr',
'sum',
'to_hex',
'translate',
'trim',
'udaf',
'udf',
'upper']
In [5]: f.ascii??
Docstring: Returns the numeric code of the first character of the argument.
In UTF8 encoding, returns the Unicode code point of the character. In other
multibyte encodings, the argument must be an ASCII character.
Type: builtin_function_or_method
```
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