RE: FW: How Can I find the ascii value of a char in the stored pr
Posted in 1999
Topics: Stored Procedures & SPL, Connectivity: ESQL/C, 4GL & Embedded SQL, Platform-Specific Issues, Internationalization & Character Sets
But How I will insert those characters whose ascii value is between 1 to 32
(that is my prime requirement)
> -----Original Message-----
> From: Jonathan Leffler [SMTP:jleffler@informix.com]
> Sent: Monday, May 17, 1999 3:11 PM
> To: Girish Kagrana
> Cc: Informix NewsGroup
> Subject: Re: FW: How Can I find the ascii value of a char in the
> stored proced ure?
>
> On Mon, 17 May 1999, Girish Kagrana wrote:
> >Could you please help in this issue.
>
> There isn't a very clean solution. I guess the best you can do is
> create a table of ASCII characters and codes:
>
> CREATE TABLE ASCII
> (
> Code SMALLINT NOT NULL CHECK (Code BETWEEN 0 AND 255) UNIQUE,
> Value CHAR(1) NOT NULL UNIQUE
> )
> INSERT INTO ASCII VALUES(65, 'A');
> INSERT INTO ASCII VALUES(66, 'B');> ...boring...
>
> You can then use this table to implement an ASCII or an ORD function:
>
> CREATE PROCEDURE ASCII(i SMALLINT) RETURNING CHAR(1);> DEFINE c CHAR(1);
> FOREACH SELECT Value INTO c FROM ASCII WHERE Code = i
> RETURN c;
> END FOREACH;
> LET c = NULL;
> RETURN c;
> END PROCEDURE;
>
> CREATE PROCEDURE ORD(c CHAR(1)) RETURNING SMALLINT;> DEFINE i SMALLINT;
> FOREACH SELECT Code INTO i FROM ASCII WHERE Value = c
> RETURN i;
> END FOREACH;
> LET i = NULL;
> RETURN i;
> END PROCEDURE;
>
> I think that's as good as you can do unless you have IDS/UDO (aka IUS).
>
> >> -----Original Message-----
> >> From: Girish Kagrana [SMTP:Girish_Kagrana@Vantive.COM]
> >> Sent: Friday, May 14, 1999 7:32 PM
> >> To: informix-list@iiug.org
> >> Subject: How Can I find the ascii value of a char in the stored
> procedure?
> >>
> >>
> >> How Can I find the ascii value of a char in the stored procedure?
> >>
> >> My requirement:
> >> To check the character is valid character or not,
> >> The invalid character set for my requirement is, whose ascii value is
> >> between 1 to 32
> >>
> >> Since ascii function is not available in Informix(7.3 UC3) stored
> >> procedure ,
> >> the only option I see is to hardcode those character and then
> >> compare,
> >>
> >> How Can I hard code those characters in the stored procedure, Is it
> >> possible with escape sequence ?
>
> Yours,
> Jonathan Leffler (jleffler@informix.com) #include <quotes/shakespeare.h>
> Guardian of DBD::Informix v0.60 (v0.61_02) -- http://www.perl.com/CPAN
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