RFE: HEX function
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Key: DERBY-69
URL: http://nagoya.apache.org/jira/browse/DERBY-69
Project: Derby
Type: New Feature
Components: SQL
Reporter: Christian d'Heureuse
It would be good to have a built-in HEX function, or another method to create
character values with arbitrary ASCII values (e.g. TAB, CR/LF, etc.).
If "CHAR FOR BIT DATA" values could be converted to CHAR or VARCHAR, the x'...'
syntax could be used to create binary character constants. But I found no way
to convert "CHAR FOR BIT DATA" to CHAR.
I didn't find an explicit description of the X'...' syntax in the reference
manual. The only 2 occurences are in the SQL examples of the LENGTH function
("VALUES LENGTH(X'FF')") and of the "CHAR FOR BIT DATA" data type ("INSERT INTO
t VALUES (X'DE');"). Is the x'...' syntax an unwanted remains from an old
Cloudscape version, or will it still be supported (and properly documeted) in
future Derby versions?
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