How do I get the ASCII value of a string as an int in PostgreSQL?
For example: the string S06.6X9A
Currently, I am using an ASCII function, but it returns only the first character of a given string.
2 Answers
Use string_to_array('S06.6X9A', null) to split the string into a text[] of individual characters. Then unnest to turn that text[] into a table. Then use that in a from clause and run ascii() over each row.
select ascii(char)
from (
select unnest( string_to_array('S06.6X9A', null) )
) as chars(char);
ascii
-------
83
48
54
46
54
88
57
65
Simpler than Schwern's answer is:
SELECT ascii( unnest( string_to_array('S06.6X9A', NULL) ) )
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