ascii()
chr()
ends_with()
index_of()
len()
lower()
ltrim()
mv_to_string()
number_to_string
replace()
rtrim()
starts_with()
string_to_number
substr()
trim()
upper()
Windowing Functions
coalesce
Previous Versions
Returns the UTF-8 character of integer n.
chr(n)
Returns null if n is null.
1q = foreach q generate chr(97) as char_value;
2- -char_value == a