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Full Discussion: how this works?
Top Forums Programming how this works? Post 302232244 by vidyadhar85 on Thursday 4th of September 2008 07:24:28 AM
Old 09-04-2008
Quote:
Originally Posted by vijay_0209
pls explain me how this works....

DECODE (SUBSTR (field, 1, 1),'''', '''''' || field || '''','''' || field || '''')


here field is a column in an oracle table....
it means if substr of field column that is from 1st char to 2nd char is " a double quote it will be decoded as two double quotes ""concated with field then again a double quote and a single quote or else "' concated with field and "'
decode works as nested if or switch case..
for more info on decode just search in google...
 

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PPI::Token::QuoteLike(3)				User Contributed Perl Documentation				  PPI::Token::QuoteLike(3)

NAME
PPI::Token::QuoteLike - Quote-like operator abstract base class INHERITANCE
PPI::Token::QuoteLike isa PPI::Token isa PPI::Element DESCRIPTION
The "PPI::Token::QuoteLike" class is never instantiated, and simply provides a common abstract base class for the five quote-like operator classes. In PPI, a "quote-like" is the set of quote-like things that exclude the string quotes and regular expressions. The subclasses of "PPI::Token::QuoteLike" are: qw{} - PPI::Token::QuoteLike::Words `` - PPI::Token::QuoteLike::Backtick qx{} - PPI::Token::QuoteLike::Command qr// - PPI::Token::QuoteLike::Regexp <FOO> - PPI::Token::QuoteLike::Readline The names are hopefully obvious enough not to have to explain what each class is. See their pages for more details. You may note that the backtick and command quote-like are treated separately, even though they do the same thing. This is intentional, as the inherit from and are processed by two different parts of the PPI's quote engine. SUPPORT
See the support section in the main module. AUTHOR
Adam Kennedy <adamk@cpan.org> COPYRIGHT
Copyright 2001 - 2011 Adam Kennedy. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. The full text of the license can be found in the LICENSE file included with this module. perl v5.18.2 2011-02-25 PPI::Token::QuoteLike(3)
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