[ http://issues.apache.org/jira/browse/DERBY-592?page=all ]
Daniel John Debrunner resolved DERBY-592:
-----------------------------------------
Resolution: Fixed
SImplified the solution to have a list in the parser of escaped functions that
map directly to builting SYSFUN functions. Decided this was the simplest
approach with the smallest amount of code. Since the list of escape functions
is static, coming from ODBC a very flexible scheme would have been overkill.
JDBC escape functions added are:
ACOS, ASIN, ATAN, COS, SIN, TAN, PI
DEGREES, RADIANS, EXP, LOG, LOG10, CEILING, FLOOR
> Expand table driven system function defintion added in DERBY-475 to allow
> definition of JDBC escaped functions.
> ---------------------------------------------------------------------------------------------------------------
>
> Key: DERBY-592
> URL: http://issues.apache.org/jira/browse/DERBY-592
> Project: Derby
> Type: Improvement
> Components: JDBC, SQL
> Reporter: Daniel John Debrunner
> Assignee: Daniel John Debrunner
> Priority: Minor
> Fix For: 10.2.0.0
>
> Since the functions added in DERBY-475 overlap with the numeric scaler
> functions defined in section C.1 of JDBC 3.0 it would be benfiical to expand
> the table to indicate if the function can be used as a JDBC escaped scaler as
> well.
> Plus adding all the code to find them and call them etc. :-)
> I'll add a comment later to show which JDBC escape functions this would add.
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