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- --- Custom Sample SQL for Perl/PostgreSQL version 0.1
-
- --- Copyright 2001, Mark Nielsen
- --- All rights reserved.
- --- This Copyright notice was copied and modified from the Perl
- --- Copyright notice.
- --- This program is free software; you can redistribute it and/or modify
- --- it under the terms of either:
-
- --- a) the GNU General Public License as published by the Free
- --- Software Foundation; either version 1, or (at your option) any
- --- later version, or
-
- --- b) the "Artistic License" which comes with this Kit.
-
- --- This program is distributed in the hope that it will be useful,
- --- but WITHOUT ANY WARRANTY; without even the implied warranty of
- --- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See either
- --- the GNU General Public License or the Artistic License for more details.
-
- --- You should have received a copy of the Artistic License with this
- --- Kit, in the file named "Artistic". If not, I'll be glad to provide one.
-
- --- You should also have received a copy of the GNU General Public License
- --- along with this program in the file named "Copying". If not, write to the
- --- Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- --- 02111-1307, USA or visit their web page on the internet at
- --- http://www.gnu.org/copyleft/gpl.html.
-
- drop function clean_text (text);
- CREATE FUNCTION clean_text (text) RETURNS text AS '
- my $Text = shift;
- # Get rid of whitespace in front.
- $Text =~ s/^\\s+//;
- # Get rid of whitespace at end.
- $Text =~ s/\\s+$//;
- # Get rid of anything not text.
- $Text =~ s/[^ a-z0-9\\/\\`\\~\\!\\@\\#\\$\\%\\^\\&\\*\\(\\)\\-\\_\\=\\+\\\\\\|\[\\{\\]\\}\\;\\:\\''\\"\\,\\<\\.\\>\\?\\t\\n]//gi;
- # Replace all multiple whitespace with one space.
- $Text =~ s/\\s+/ /g;
- return $Text;
- ' LANGUAGE 'plperl';
- -- Just to show you what this function cleans up.
- select clean_text (' ,./<>?aaa aa !@#$%^&*()_+| ');
-
- drop function clean_alpha (text);
- CREATE FUNCTION clean_alpha (text) RETURNS text AS '
- my $Text = shift;
- $Text =~ s/[^a-z0-9_]//gi;
- return $Text;
- ' LANGUAGE 'plperl';
- -- Just to show you what this function cleans up.
- select clean_alpha (' ,./<>?aaa aa !@#$%^&*()_+| ');
-
- drop function clean_numeric (text);
- CREATE FUNCTION clean_numeric (text) RETURNS int4 AS '
- my $Text = shift;
- $Text =~ s/[^0-9]//gi;
- return $Text;
- ' LANGUAGE 'plperl';
- -- Just to show you what this function cleans up.
- select clean_numeric (' ,./<>?aaa aa !@#$%^&*()_+| ');
-
- drop function clean_numeric (int4);
- CREATE FUNCTION clean_numeric (int4) RETURNS int4 AS '
- my $Text = shift;
- $Text =~ s/[^0-9]//gi;
- return $Text;
- ' LANGUAGE 'plperl';
- -- Just do show you what this function cleans up.
- select clean_numeric (1111);
-
-
-