From 5706781c54820002799ce3a1d2d4893256b9b755 Mon Sep 17 00:00:00 2001
From: ivan <ivan>
Date: Tue, 30 Mar 2010 03:28:14 +0000
Subject: [PATCH] regexp_sql

---
 FS/FS/Record.pm | 44 +++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 43 insertions(+), 1 deletion(-)

diff --git a/FS/FS/Record.pm b/FS/FS/Record.pm
index 3b1967e42..0845cc6f3 100644
--- a/FS/FS/Record.pm
+++ b/FS/FS/Record.pm
@@ -31,7 +31,7 @@ use Tie::IxHash;
 
 #export dbdef for now... everything else expects to find it here
 @EXPORT_OK = qw(dbh fields hfields qsearch qsearchs dbdef jsearch
-                str2time_sql str2time_sql_closing );
+                str2time_sql str2time_sql_closing regexp_sql not_regexp_sql );
 
 $DEBUG = 0;
 $me = '[FS::Record]';
@@ -2942,6 +2942,48 @@ sub str2time_sql_closing {
   return ' ) ';
 }
 
+=item regexp_sql [ DRIVER_NAME ]
+
+Returns the operator to do a regular expression comparison based on database
+type, such as '~' for Pg or 'REGEXP' for mysql.
+
+You can pass an optional driver name such as "Pg", "mysql" or
+$dbh->{Driver}->{Name} to return a function for that database instead of
+the current database.
+
+=cut
+
+sub regexp_sql {
+  my $driver = shift || driver_name;
+
+  return '~'      if $driver =~ /^Pg/i;
+  return 'REGEXP' if $driver =~ /^mysql/i;
+
+  die "don't know how to use regular expressions in ". driver_name." databases";
+
+}
+
+=item not_regexp_sql [ DRIVER_NAME ]
+
+Returns the operator to do a regular expression negation based on database
+type, such as '!~' for Pg or 'NOT REGEXP' for mysql.
+
+You can pass an optional driver name such as "Pg", "mysql" or
+$dbh->{Driver}->{Name} to return a function for that database instead of
+the current database.
+
+=cut
+
+sub not_regexp_sql {
+  my $driver = shift || driver_name;
+
+  return '!~'         if $driver =~ /^Pg/i;
+  return 'NOT REGEXP' if $driver =~ /^mysql/i;
+
+  die "don't know how to use regular expressions in ". driver_name." databases";
+
+}
+
 =back
 
 =head1 BUGS
-- 
2.20.1