X-Git-Url: http://git.freeside.biz/gitweb/?p=freeside.git;a=blobdiff_plain;f=FS%2FFS%2FRecord.pm;h=758e0f96c42e1266200b33506fc26996e27275ea;hp=9a99aebe725f1d63d401015435dcb6aae6c342e1;hb=b1d445f94514a29e5d4753839798b0291d89aee3;hpb=b63800b2aaca886ae42c0f61f83ae2e2f0b4c44f

diff --git a/FS/FS/Record.pm b/FS/FS/Record.pm
index 9a99aebe7..758e0f96c 100644
--- a/FS/FS/Record.pm
+++ b/FS/FS/Record.pm
@@ -2,18 +2,26 @@ package FS::Record;
 
 use strict;
 use vars qw( $AUTOLOAD @ISA @EXPORT_OK $DEBUG
-             $me %virtual_fields_cache $nowarn_identical );
+             $conf $conf_encryption $me
+             %virtual_fields_cache
+             $nowarn_identical $nowarn_classload
+             $no_update_diff $no_check_foreign
+           );
 use Exporter;
 use Carp qw(carp cluck croak confess);
+use Scalar::Util qw( blessed );
 use File::CounterFile;
 use Locale::Country;
+use Text::CSV_XS;
+use File::Slurp qw( slurp );
 use DBI qw(:sql_types);
-use DBIx::DBSchema 0.25;
+use DBIx::DBSchema 0.38;
 use FS::UID qw(dbh getotaker datasrc driver_name);
+use FS::CurrentUser;
 use FS::Schema qw(dbdef);
 use FS::SearchCache;
 use FS::Msgcat qw(gettext);
-use FS::Conf;
+#use FS::Conf; #dependency loop bs, in install_callback below instead
 
 use FS::part_virtual_field;
 
@@ -22,20 +30,36 @@ use Tie::IxHash;
 @ISA = qw(Exporter);
 
 #export dbdef for now... everything else expects to find it here
-@EXPORT_OK = qw(dbh fields hfields qsearch qsearchs dbdef jsearch);
+@EXPORT_OK = qw(dbh fields hfields qsearch qsearchs dbdef jsearch
+                str2time_sql str2time_sql_closing regexp_sql not_regexp_sql );
 
 $DEBUG = 0;
 $me = '[FS::Record]';
 
 $nowarn_identical = 0;
+$nowarn_classload = 0;
+$no_update_diff = 0;
+$no_check_foreign = 0;
 
 my $rsa_module;
 my $rsa_loaded;
 my $rsa_encrypt;
 my $rsa_decrypt;
 
+$conf = '';
+$conf_encryption = '';
 FS::UID->install_callback( sub {
-  $File::CounterFile::DEFAULT_DIR = "/usr/local/etc/freeside/counters.". datasrc;
+  eval "use FS::Conf;";
+  die $@ if $@;
+  $conf = FS::Conf->new; 
+  $conf_encryption = $conf->exists('encryption');
+  $File::CounterFile::DEFAULT_DIR = $conf->base_dir . "/counters.". datasrc;
+  if ( driver_name eq 'Pg' ) {
+    eval "use DBD::Pg ':pg_types'";
+    die $@ if $@;
+  } else {
+    eval "sub PG_BYTEA { die 'guru meditation #9: calling PG_BYTEA when not running Pg?'; }";
+  }
 } );
 
 =head1 NAME
@@ -80,8 +104,11 @@ FS::Record - Database record objects
     $value = $record->unique('column');
 
     $error = $record->ut_float('column');
+    $error = $record->ut_floatn('column');
     $error = $record->ut_number('column');
     $error = $record->ut_numbern('column');
+    $error = $record->ut_snumber('column');
+    $error = $record->ut_snumbern('column');
     $error = $record->ut_money('column');
     $error = $record->ut_text('column');
     $error = $record->ut_textn('column');
@@ -132,7 +159,8 @@ sub new {
 
   unless ( defined ( $self->table ) ) {
     $self->{'Table'} = shift;
-    carp "warning: FS::Record::new called with table name ". $self->{'Table'};
+    carp "warning: FS::Record::new called with table name ". $self->{'Table'}
+      unless $nowarn_classload;
   }
   
   $self->{'Hash'} = shift;
@@ -192,27 +220,33 @@ objects.
 
 The preferred usage is to pass a hash reference of named parameters:
 
-  my @records = qsearch( {
-                           'table'     => 'table_name',
-                           'hashref'   => { 'field' => 'value'
-                                            'field' => { 'op'    => '<',
-                                                         'value' => '420',
-                                                       },
-                                          },
-
-                           #these are optional...
-                           'select'    => '*',
-                           'extra_sql' => 'AND field ',
-                           #'cache_obj' => '', #optional
-                           'addl_from' => 'LEFT JOIN othtable USING ( field )',
-                         }
-                       );
+  @records = qsearch( {
+                        'table'       => 'table_name',
+                        'hashref'     => { 'field' => 'value'
+                                           'field' => { 'op'    => '<',
+                                                        'value' => '420',
+                                                      },
+                                         },
+
+                        #these are optional...
+                        'select'      => '*',
+                        'extra_sql'   => 'AND field = ? AND intfield = ?',
+                        'extra_param' => [ 'value', [ 5, 'int' ] ],
+                        'order_by'    => 'ORDER BY something',
+                        #'cache_obj'   => '', #optional
+                        'addl_from'   => 'LEFT JOIN othtable USING ( field )',
+                        'debug'       => 1,
+                      }
+                    );
 
 Much code still uses old-style positional parameters, this is also probably
 fine in the common case where there are only two parameters:
 
   my @records = qsearch( 'table', { 'field' => 'value' } );
 
+Also possible is an experimental LISTREF of PARAMS_HASHREFs for a UNION of
+the individual PARAMS_HASHREF queries
+
 ###oops, argh, FS::Record::new only lets us create database fields.
 #Normal behaviour if SELECT is not specified is `*', as in
 #C<SELECT * FROM table WHERE ...>.  However, there is an experimental new
@@ -224,151 +258,192 @@ fine in the common case where there are only two parameters:
 
 =cut
 
+my %TYPE = (); #for debugging
+
+sub _bind_type {
+  my($type, $value) = @_;
+
+  my $bind_type = { TYPE => SQL_VARCHAR };
+
+  if ( $type =~ /(big)?(int|serial)/i && $value =~ /^\d+(\.\d+)?$/ ) {
+
+    $bind_type = { TYPE => SQL_INTEGER };
+
+  } elsif ( $type =~ /^bytea$/i || $type =~ /(blob|varbinary)/i ) {
+
+    if ( driver_name eq 'Pg' ) {
+      no strict 'subs';
+      $bind_type = { pg_type => PG_BYTEA };
+    #} else {
+    #  $bind_type = ? #SQL_VARCHAR could be fine?
+    }
+
+  #DBD::Pg 1.49: Cannot bind ... unknown sql_type 6 with SQL_FLOAT
+  #fixed by DBD::Pg 2.11.8
+  #can change back to SQL_FLOAT in early-mid 2010, once everyone's upgraded
+  #(make a Tron test first)
+  } elsif ( _is_fs_float( $type, $value ) ) {
+
+    $bind_type = { TYPE => SQL_DECIMAL };
+
+  }
+
+  $bind_type;
+
+}
+
+sub _is_fs_float {
+  my($type, $value) = @_;
+  if ( ( $type =~ /(numeric)/i && $value =~ /^[+-]?\d+(\.\d+)?$/ ) ||
+       ( $type =~ /(real|float4)/i && $value =~ /[-+]?\d*\.?\d+([eE][-+]?\d+)?/)
+     ) {
+    return 1;
+  }
+  '';
+}
+
 sub qsearch {
-  my($stable, $record, $select, $extra_sql, $cache, $addl_from );
-  if ( ref($_[0]) ) { #hashref for now, eventually maybe accept a list too
+  my( @stable, @record, @cache );
+  my( @select, @extra_sql, @extra_param, @order_by, @addl_from );
+  my @debug = ();
+  my %union_options = ();
+  if ( ref($_[0]) eq 'ARRAY' ) {
+    my $optlist = shift;
+    %union_options = @_;
+    foreach my $href ( @$optlist ) {
+      push @stable,      ( $href->{'table'} or die "table name is required" );
+      push @record,      ( $href->{'hashref'}     || {} );
+      push @select,      ( $href->{'select'}      || '*' );
+      push @extra_sql,   ( $href->{'extra_sql'}   || '' );
+      push @extra_param, ( $href->{'extra_param'} || [] );
+      push @order_by,    ( $href->{'order_by'}    || '' );
+      push @cache,       ( $href->{'cache_obj'}   || '' );
+      push @addl_from,   ( $href->{'addl_from'}   || '' );
+      push @debug,       ( $href->{'debug'}       || '' );
+    }
+    die "at least one hashref is required" unless scalar(@stable);
+  } elsif ( ref($_[0]) eq 'HASH' ) {
     my $opt = shift;
-    $stable    = $opt->{'table'}     or die "table name is required";
-    $record    = $opt->{'hashref'}   || {};
-    $select    = $opt->{'select'}    || '*';
-    $extra_sql = $opt->{'extra_sql'} || '';
-    $cache     = $opt->{'cache_obj'} || '';
-    $addl_from = $opt->{'addl_from'} || '';
+    $stable[0]      = $opt->{'table'}       or die "table name is required";
+    $record[0]      = $opt->{'hashref'}     || {};
+    $select[0]      = $opt->{'select'}      || '*';
+    $extra_sql[0]   = $opt->{'extra_sql'}   || '';
+    $extra_param[0] = $opt->{'extra_param'} || [];
+    $order_by[0]    = $opt->{'order_by'}    || '';
+    $cache[0]       = $opt->{'cache_obj'}   || '';
+    $addl_from[0]   = $opt->{'addl_from'}   || '';
+    $debug[0]       = $opt->{'debug'}       || '';
   } else {
-    ($stable, $record, $select, $extra_sql, $cache, $addl_from ) = @_;
-    $select ||= '*';
+    ( $stable[0],
+      $record[0],
+      $select[0],
+      $extra_sql[0],
+      $cache[0],
+      $addl_from[0]
+    ) = @_;
+    $select[0] ||= '*';
   }
+  my $cache = $cache[0];
 
-  #$stable =~ /^([\w\_]+)$/ or die "Illegal table: $table";
-  #for jsearch
-  $stable =~ /^([\w\s\(\)\.\,\=]+)$/ or die "Illegal table: $stable";
-  $stable = $1;
+  my @statement = ();
+  my @value = ();
+  my @bind_type = ();
   my $dbh = dbh;
+  foreach my $stable ( @stable ) {
+    my $record      = shift @record;
+    my $select      = shift @select;
+    my $extra_sql   = shift @extra_sql;
+    my $extra_param = shift @extra_param;
+    my $order_by    = shift @order_by;
+    my $cache       = shift @cache;
+    my $addl_from   = shift @addl_from;
+    my $debug       = shift @debug;
+
+    #$stable =~ /^([\w\_]+)$/ or die "Illegal table: $table";
+    #for jsearch
+    $stable =~ /^([\w\s\(\)\.\,\=]+)$/ or die "Illegal table: $stable";
+    $stable = $1;
+
+    my $table = $cache ? $cache->table : $stable;
+    my $dbdef_table = dbdef->table($table)
+      or die "No schema for table $table found - ".
+             "do you need to run freeside-upgrade?";
+    my $pkey = $dbdef_table->primary_key;
+
+    my @real_fields = grep exists($record->{$_}), real_fields($table);
+    my @virtual_fields;
+    if ( eval 'scalar(@FS::'. $table. '::ISA);' ) {
+      @virtual_fields = grep exists($record->{$_}), "FS::$table"->virtual_fields;
+    } else {
+      cluck "warning: FS::$table not loaded; virtual fields not searchable"
+        unless $nowarn_classload;
+      @virtual_fields = ();
+    }
 
-  my $table = $cache ? $cache->table : $stable;
-  my $dbdef_table = dbdef->table($table)
-    or die "No schema for table $table found - ".
-           "do you need to run freeside-upgrade?";
-  my $pkey = $dbdef_table->primary_key;
+    my $statement .= "SELECT $select FROM $stable";
+    $statement .= " $addl_from" if $addl_from;
+    if ( @real_fields or @virtual_fields ) {
+      $statement .= ' WHERE '. join(' AND ',
+        get_real_fields($table, $record, \@real_fields) ,
+        get_virtual_fields($table, $pkey, $record, \@virtual_fields),
+        );
+    }
 
-  my @real_fields = grep exists($record->{$_}), real_fields($table);
-  my @virtual_fields;
-  if ( eval 'scalar(@FS::'. $table. '::ISA);' ) {
-    @virtual_fields = grep exists($record->{$_}), "FS::$table"->virtual_fields;
-  } else {
-    cluck "warning: FS::$table not loaded; virtual fields not searchable";
-    @virtual_fields = ();
-  }
+    $statement .= " $extra_sql" if defined($extra_sql);
+    $statement .= " $order_by"  if defined($order_by);
 
-  my $statement = "SELECT $select FROM $stable";
-  $statement .= " $addl_from" if $addl_from;
-  if ( @real_fields or @virtual_fields ) {
-    $statement .= ' WHERE '. join(' AND ',
-      ( map {
+    push @statement, $statement;
 
-      my $op = '=';
-      my $column = $_;
-      if ( ref($record->{$_}) ) {
-        $op = $record->{$_}{'op'} if $record->{$_}{'op'};
-        #$op = 'LIKE' if $op =~ /^ILIKE$/i && driver_name ne 'Pg';
-        if ( uc($op) eq 'ILIKE' ) {
-          $op = 'LIKE';
-          $record->{$_}{'value'} = lc($record->{$_}{'value'});
-          $column = "LOWER($_)";
-        }
-        $record->{$_} = $record->{$_}{'value'}
-      }
+    warn "[debug]$me $statement\n" if $DEBUG > 1 || $debug;
+ 
 
-      if ( ! defined( $record->{$_} ) || $record->{$_} eq '' ) {
-        if ( $op eq '=' ) {
-          if ( driver_name eq 'Pg' ) {
-            my $type = dbdef->table($table)->column($column)->type;
-            if ( $type =~ /(int|(big)?serial)/i ) {
-              qq-( $column IS NULL )-;
-            } else {
-              qq-( $column IS NULL OR $column = '' )-;
-            }
-          } else {
-            qq-( $column IS NULL OR $column = "" )-;
-          }
-        } elsif ( $op eq '!=' ) {
-          if ( driver_name eq 'Pg' ) {
-            my $type = dbdef->table($table)->column($column)->type;
-            if ( $type =~ /(int|(big)?serial)/i ) {
-              qq-( $column IS NOT NULL )-;
-            } else {
-              qq-( $column IS NOT NULL AND $column != '' )-;
-            }
-          } else {
-            qq-( $column IS NOT NULL AND $column != "" )-;
-          }
-        } else {
-          if ( driver_name eq 'Pg' ) {
-            qq-( $column $op '' )-;
-          } else {
-            qq-( $column $op "" )-;
-          }
-        }
-      } else {
-        "$column $op ?";
-      }
-    } @real_fields ), 
-    ( map {
-      my $op = '=';
-      my $column = $_;
-      if ( ref($record->{$_}) ) {
-        $op = $record->{$_}{'op'} if $record->{$_}{'op'};
-	if ( uc($op) eq 'ILIKE' ) {
-	  $op = 'LIKE';
-	  $record->{$_}{'value'} = lc($record->{$_}{'value'});
-	  $column = "LOWER($_)";
-	}
-	$record->{$_} = $record->{$_}{'value'};
-      }
+    foreach my $field (
+      grep defined( $record->{$_} ) && $record->{$_} ne '', @real_fields
+    ) {
 
-      # ... EXISTS ( SELECT name, value FROM part_virtual_field
-      #              JOIN virtual_field
-      #              ON part_virtual_field.vfieldpart = virtual_field.vfieldpart
-      #              WHERE recnum = svc_acct.svcnum
-      #              AND (name, value) = ('egad', 'brain') )
+      my $value = $record->{$field};
+      my $op = (ref($value) && $value->{op}) ? $value->{op} : '=';
+      $value = $value->{'value'} if ref($value);
+      my $type = dbdef->table($table)->column($field)->type;
 
-      my $value = $record->{$_};
+      my $bind_type = _bind_type($type, $value);
 
-      my $subq;
+      #if ( $DEBUG > 2 ) {
+      #  no strict 'refs';
+      #  %TYPE = map { &{"DBI::$_"}() => $_ } @{ $DBI::EXPORT_TAGS{sql_types} }
+      #    unless keys %TYPE;
+      #  warn "  bind_param $bind (for field $field), $value, TYPE $TYPE{$TYPE}\n";
+      #}
 
-      $subq = ($value ? 'EXISTS ' : 'NOT EXISTS ') .
-      "( SELECT part_virtual_field.name, virtual_field.value ".
-      "FROM part_virtual_field JOIN virtual_field ".
-      "ON part_virtual_field.vfieldpart = virtual_field.vfieldpart ".
-      "WHERE virtual_field.recnum = ${table}.${pkey} ".
-      "AND part_virtual_field.name = '${column}'".
-      ($value ? 
-        " AND virtual_field.value ${op} '${value}'"
-      : "") . ")";
-      $subq;
+      push @value, $value;
+      push @bind_type, $bind_type;
 
-    } @virtual_fields ) );
+    }
 
+    foreach my $param ( @$extra_param ) {
+      my $bind_type = { TYPE => SQL_VARCHAR };
+      my $value = $param;
+      if ( ref($param) ) {
+        $value = $param->[0];
+        my $type = $param->[1];
+        $bind_type = _bind_type($type, $value);
+      }
+      push @value, $value;
+      push @bind_type, $bind_type;
+    }
   }
 
-  $statement .= " $extra_sql" if defined($extra_sql);
+  my $statement = join( ' ) UNION ( ', @statement );
+  $statement = "( $statement )" if scalar(@statement) > 1;
+  $statement .= " $union_options{order_by}" if $union_options{order_by};
 
-  warn "[debug]$me $statement\n" if $DEBUG > 1;
   my $sth = $dbh->prepare($statement)
     or croak "$dbh->errstr doing $statement";
 
   my $bind = 1;
-
-  foreach my $field (
-    grep defined( $record->{$_} ) && $record->{$_} ne '', @real_fields
-  ) {
-    if ( $record->{$field} =~ /^\d+(\.\d+)?$/
-         && dbdef->table($table)->column($field)->type =~ /(int|(big)?serial)/i
-    ) {
-      $sth->bind_param($bind++, $record->{$field}, { TYPE => SQL_INTEGER } );
-    } else {
-      $sth->bind_param($bind++, $record->{$field}, { TYPE => SQL_VARCHAR } );
-    }
+  foreach my $value ( @value ) {
+    my $bind_type = shift @bind_type;
+    $sth->bind_param($bind++, $value, $bind_type );
   }
 
 #  $sth->execute( map $record->{$_},
@@ -377,17 +452,25 @@ sub qsearch {
 
   $sth->execute or croak "Error executing \"$statement\": ". $sth->errstr;
 
+  # virtual fields and blessings are nonsense in a heterogeneous UNION, right?
+  my $table = $stable[0];
+  my $pkey = '';
+  $table = '' if grep { $_ ne $table } @stable;
+  $pkey = dbdef->table($table)->primary_key if $table;
+
+  my @virtual_fields = ();
   if ( eval 'scalar(@FS::'. $table. '::ISA);' ) {
     @virtual_fields = "FS::$table"->virtual_fields;
   } else {
-    cluck "warning: FS::$table not loaded; virtual fields not returned either";
+    cluck "warning: FS::$table not loaded; virtual fields not returned either"
+      unless $nowarn_classload;
     @virtual_fields = ();
   }
 
   my %result;
   tie %result, "Tie::IxHash";
   my @stuff = @{ $sth->fetchall_arrayref( {} ) };
-  if($pkey) {
+  if ( $pkey && scalar(@stuff) && $stuff[0]->{$pkey} ) {
     %result = map { $_->{$pkey}, $_ } @stuff;
   } else {
     @result{@stuff} = @stuff;
@@ -439,8 +522,9 @@ sub qsearch {
     }
 
     # Check for encrypted fields and decrypt them.
-    my $conf = new FS::Conf; 
-    if ($conf->exists('encryption') && eval 'defined(@FS::'. $table . '::encrypted_fields)') {
+   ## only in the local copy, not the cached object
+    if ( $conf_encryption 
+         && eval 'defined(@FS::'. $table . '::encrypted_fields)' ) {
       foreach my $record (@return) {
         foreach my $field (eval '@FS::'. $table . '::encrypted_fields') {
           # Set it directly... This may cause a problem in the future...
@@ -449,7 +533,8 @@ sub qsearch {
       }
     }
   } else {
-    cluck "warning: FS::$table not loaded; returning FS::Record objects";
+    cluck "warning: FS::$table not loaded; returning FS::Record objects"
+      unless $nowarn_classload;
     @return = map {
       FS::Record->new( $table, { %{$_} } );
     } values(%result);
@@ -457,6 +542,116 @@ sub qsearch {
   return @return;
 }
 
+## makes this easier to read
+
+sub get_virtual_fields {
+   my $table = shift;
+   my $pkey = shift;
+   my $record = shift;
+   my $virtual_fields = shift;
+   
+   return
+    ( map {
+      my $op = '=';
+      my $column = $_;
+      if ( ref($record->{$_}) ) {
+        $op = $record->{$_}{'op'} if $record->{$_}{'op'};
+	if ( uc($op) eq 'ILIKE' ) {
+	  $op = 'LIKE';
+	  $record->{$_}{'value'} = lc($record->{$_}{'value'});
+	  $column = "LOWER($_)";
+	}
+	$record->{$_} = $record->{$_}{'value'};
+      }
+
+      # ... EXISTS ( SELECT name, value FROM part_virtual_field
+      #              JOIN virtual_field
+      #              ON part_virtual_field.vfieldpart = virtual_field.vfieldpart
+      #              WHERE recnum = svc_acct.svcnum
+      #              AND (name, value) = ('egad', 'brain') )
+
+      my $value = $record->{$_};
+
+      my $subq;
+
+      $subq = ($value ? 'EXISTS ' : 'NOT EXISTS ') .
+      "( SELECT part_virtual_field.name, virtual_field.value ".
+      "FROM part_virtual_field JOIN virtual_field ".
+      "ON part_virtual_field.vfieldpart = virtual_field.vfieldpart ".
+      "WHERE virtual_field.recnum = ${table}.${pkey} ".
+      "AND part_virtual_field.name = '${column}'".
+      ($value ? 
+        " AND virtual_field.value ${op} '${value}'"
+      : "") . ")";
+      $subq;
+
+    } @{ $virtual_fields } ) ;
+}
+
+sub get_real_fields {
+  my $table = shift;
+  my $record = shift;
+  my $real_fields = shift;
+
+   ## this huge map was previously inline, just broke it out to help read the qsearch method, should be optimized for readability
+      return ( 
+      map {
+
+      my $op = '=';
+      my $column = $_;
+      my $type = dbdef->table($table)->column($column)->type;
+      my $value = $record->{$column};
+      $value = $value->{'value'} if ref($value);
+      if ( ref($record->{$_}) ) {
+        $op = $record->{$_}{'op'} if $record->{$_}{'op'};
+        #$op = 'LIKE' if $op =~ /^ILIKE$/i && driver_name ne 'Pg';
+        if ( uc($op) eq 'ILIKE' ) {
+          $op = 'LIKE';
+          $record->{$_}{'value'} = lc($record->{$_}{'value'});
+          $column = "LOWER($_)";
+        }
+        $record->{$_} = $record->{$_}{'value'}
+      }
+
+      if ( ! defined( $record->{$_} ) || $record->{$_} eq '' ) {
+        if ( $op eq '=' ) {
+          if ( driver_name eq 'Pg' ) {
+            if ( $type =~ /(int|numeric|real|float4|(big)?serial)/i ) {
+              qq-( $column IS NULL )-;
+            } else {
+              qq-( $column IS NULL OR $column = '' )-;
+            }
+          } else {
+            qq-( $column IS NULL OR $column = "" )-;
+          }
+        } elsif ( $op eq '!=' ) {
+          if ( driver_name eq 'Pg' ) {
+            if ( $type =~ /(int|numeric|real|float4|(big)?serial)/i ) {
+              qq-( $column IS NOT NULL )-;
+            } else {
+              qq-( $column IS NOT NULL AND $column != '' )-;
+            }
+          } else {
+            qq-( $column IS NOT NULL AND $column != "" )-;
+          }
+        } else {
+          if ( driver_name eq 'Pg' ) {
+            qq-( $column $op '' )-;
+          } else {
+            qq-( $column $op "" )-;
+          }
+        }
+      #if this needs to be re-enabled, it needs to use a custom op like
+      #"APPROX=" or something (better name?, not '=', to avoid affecting other
+      # searches
+      #} elsif ( $op eq 'APPROX=' && _is_fs_float( $type, $value ) ) {
+      #  ( "$column <= ?", "$column >= ?" );
+      } else {
+        "$column $op ?";
+      }
+    } @{ $real_fields } );  
+}
+
 =item by_key PRIMARY_KEY_VALUE
 
 This is a class method that returns the record with the given primary key
@@ -553,6 +748,17 @@ sub dbdef_table {
   dbdef->table($table);
 }
 
+=item primary_key
+
+Returns the primary key for the table.
+
+=cut
+
+sub primary_key {
+  my $self = shift;
+  my $pkey = $self->dbdef_table->primary_key;
+}
+
 =item get, getfield COLUMN
 
 Returns the value of the column/field/key COLUMN.
@@ -589,6 +795,17 @@ sub setfield {
   $self->set(@_);
 }
 
+=item exists COLUMN
+
+Returns true if the column/field/key COLUMN exists.
+
+=cut
+
+sub exists {
+  my($self,$field) = @_;
+  exists($self->{Hash}->{$field});
+}
+
 =item AUTLOADED METHODS
 
 $record->column is a synonym for $record->get('column');
@@ -604,11 +821,11 @@ sub AUTOLOAD {
   $field =~ s/.*://;
   if ( defined($value) ) {
     confess "errant AUTOLOAD $field for $self (arg $value)"
-      unless ref($self) && $self->can('setfield');
+      unless blessed($self) && $self->can('setfield');
     $self->setfield($field,$value);
   } else {
     confess "errant AUTOLOAD $field for $self (no args)"
-      unless ref($self) && $self->can('getfield');
+      unless blessed($self) && $self->can('getfield');
     $self->getfield($field);
   }    
 }
@@ -667,6 +884,68 @@ sub modified {
   $self->{'modified'};
 }
 
+=item select_for_update
+
+Selects this record with the SQL "FOR UPDATE" command.  This can be useful as
+a mutex.
+
+=cut
+
+sub select_for_update {
+  my $self = shift;
+  my $primary_key = $self->primary_key;
+  qsearchs( {
+    'select'    => '*',
+    'table'     => $self->table,
+    'hashref'   => { $primary_key => $self->$primary_key() },
+    'extra_sql' => 'FOR UPDATE',
+  } );
+}
+
+=item lock_table
+
+Locks this table with a database-driver specific lock method.  This is used
+as a mutex in order to do a duplicate search.
+
+For PostgreSQL, does "LOCK TABLE tablename IN SHARE ROW EXCLUSIVE MODE".
+
+For MySQL, does a SELECT FOR UPDATE on the duplicate_lock table.
+
+Errors are fatal; no useful return value.
+
+Note: To use this method for new tables other than svc_acct and svc_phone,
+edit freeside-upgrade and add those tables to the duplicate_lock list.
+
+=cut
+
+sub lock_table {
+  my $self = shift;
+  my $table = $self->table;
+
+  warn "$me locking $table table\n" if $DEBUG;
+
+  if ( driver_name =~ /^Pg/i ) {
+
+    dbh->do("LOCK TABLE $table IN SHARE ROW EXCLUSIVE MODE")
+      or die dbh->errstr;
+
+  } elsif ( driver_name =~ /^mysql/i ) {
+
+    dbh->do("SELECT * FROM duplicate_lock
+               WHERE lockname = '$table'
+	       FOR UPDATE"
+	   ) or die dbh->errstr;
+
+  } else {
+
+    die "unknown database ". driver_name. "; don't know how to lock table";
+
+  }
+
+  warn "$me acquired $table table lock\n" if $DEBUG;
+
+}
+
 =item insert
 
 Inserts this record to the database.  If there is an error, returns the error,
@@ -678,12 +957,14 @@ sub insert {
   my $self = shift;
   my $saved = {};
 
+  warn "$self -> insert" if $DEBUG;
+
   my $error = $self->check;
   return $error if $error;
 
   #single-field unique keys are given a value if false
   #(like MySQL's AUTO_INCREMENT or Pg SERIAL)
-  foreach ( $self->dbdef_table->unique->singles ) {
+  foreach ( $self->dbdef_table->unique_singles) {
     $self->unique($_) unless $self->getfield($_);
   }
 
@@ -692,12 +973,12 @@ sub insert {
   my $db_seq = 0;
   if ( $primary_key ) {
     my $col = $self->dbdef_table->column($primary_key);
-    
+
     $db_seq =
       uc($col->type) =~ /^(BIG)?SERIAL\d?/
       || ( driver_name eq 'Pg'
              && defined($col->default)
-             && $col->default =~ /^nextval\(/i
+             && $col->quoted_default =~ /^nextval\(/i
          )
       || ( driver_name eq 'mysql'
              && defined($col->local)
@@ -707,21 +988,21 @@ sub insert {
   }
 
   my $table = $self->table;
-
   
   # Encrypt before the database
-  my $conf = new FS::Conf;
-  if ($conf->exists('encryption') && defined(eval '@FS::'. $table . 'encrypted_fields')) {
+  if (    defined(eval '@FS::'. $table . '::encrypted_fields')
+       && scalar( eval '@FS::'. $table . '::encrypted_fields')
+       && $conf->exists('encryption')
+  ) {
     foreach my $field (eval '@FS::'. $table . '::encrypted_fields') {
       $self->{'saved'} = $self->getfield($field);
-      $self->setfield($field, $self->enrypt($self->getfield($field)));
+      $self->setfield($field, $self->encrypt($self->getfield($field)));
     }
   }
 
-
   #false laziness w/delete
   my @real_fields =
-    grep defined($self->getfield($_)) && $self->getfield($_) ne "",
+    grep { defined($self->getfield($_)) && $self->getfield($_) ne "" }
     real_fields($table)
   ;
   my @values = map { _quote( $self->getfield($_), $table, $_) } @real_fields;
@@ -762,7 +1043,7 @@ sub insert {
       #my $oid = $sth->{'pg_oid_status'};
       #my $i_sql = "SELECT $primary_key FROM $table WHERE oid = ?";
 
-      my $default = $self->dbdef_table->column($primary_key)->default;
+      my $default = $self->dbdef_table->column($primary_key)->quoted_default;
       unless ( $default =~ /^nextval\(\(?'"?([\w\.]+)"?'/i ) {
         dbh->rollback if $FS::UID::AutoCommit;
         return "can't parse $table.$primary_key default value".
@@ -775,8 +1056,7 @@ sub insert {
         dbh->rollback if $FS::UID::AutoCommit;
         return dbh->errstr;
       };
-      #$i_sth->execute($oid) or do {
-      $i_sth->execute() or do {
+      $i_sth->execute() or do { #$i_sth->execute($oid)
         dbh->rollback if $FS::UID::AutoCommit;
         return $i_sth->errstr;
       };
@@ -965,21 +1245,9 @@ returns the error, otherwise returns false.
 =cut
 
 sub replace {
-  my $new = shift;
-  my $old = shift;  
-
-  if (!defined($old)) { 
-    warn "[debug]$me replace called with no arguments; autoloading old record\n"
-     if $DEBUG;
-    my $primary_key = $new->dbdef_table->primary_key;
-    if ( $primary_key ) {
-      $old = qsearchs($new->table, { $primary_key => $new->$primary_key() } )
-        or croak "can't find ". $new->table. ".$primary_key ".
-                 $new->$primary_key();
-    } else {
-      croak $new->table. " has no primary key; pass old record as argument";
-    }
-  }
+  my ($new, $old) = (shift, shift);
+
+  $old = $new->replace_old unless defined($old);
 
   warn "[debug]$me $new ->replace $old\n" if $DEBUG;
 
@@ -1001,9 +1269,11 @@ sub replace {
   return $error if $error;
   
   # Encrypt for replace
-  my $conf = new FS::Conf;
   my $saved = {};
-  if ($conf->exists('encryption') && defined(eval '@FS::'. $new->table . 'encrypted_fields')) {
+  if (    $conf->exists('encryption')
+       && defined(eval '@FS::'. $new->table . '::encrypted_fields')
+       && scalar( eval '@FS::'. $new->table . '::encrypted_fields')
+  ) {
     foreach my $field (eval '@FS::'. $new->table . '::encrypted_fields') {
       $saved->{$field} = $new->getfield($field);
       $new->setfield($field, $new->encrypt($new->getfield($field)));
@@ -1014,7 +1284,7 @@ sub replace {
   my %diff = map { ($new->getfield($_) ne $old->getfield($_))
                    ? ($_, $new->getfield($_)) : () } $old->fields;
                    
-  unless ( keys(%diff) ) {
+  unless (keys(%diff) || $no_update_diff ) {
     carp "[warning]$me $new -> replace $old: records identical"
       unless $nowarn_identical;
     return '';
@@ -1149,6 +1419,22 @@ sub replace {
 
 }
 
+sub replace_old {
+  my( $self ) = shift;
+  warn "[$me] replace called with no arguments; autoloading old record\n"
+    if $DEBUG;
+
+  my $primary_key = $self->dbdef_table->primary_key;
+  if ( $primary_key ) {
+    $self->by_key( $self->$primary_key() ) #this is what's returned
+      or croak "can't find ". $self->table. ".$primary_key ".
+        $self->$primary_key();
+  } else {
+    croak $self->table. " has no primary key; pass old record as argument";
+  }
+
+}
+
 =item rep
 
 Depriciated (use replace instead).
@@ -1193,15 +1479,454 @@ sub check {
   '';
 }
 
+=item process_batch_import JOB OPTIONS_HASHREF PARAMS
+
+Processes a batch import as a queued JSRPC job
+
+JOB is an FS::queue entry.
+
+OPTIONS_HASHREF can have the following keys:
+
+=over 4
+
+=item table
+
+Table name (required).
+
+=item params
+
+Listref of field names for static fields.  They will be given values from the
+PARAMS hashref and passed as a "params" hashref to batch_import.
+
+=item formats
+
+Formats hashref.  Keys are field names, values are listrefs that define the
+format.
+
+Each listref value can be a column name or a code reference.  Coderefs are run
+with the row object, data and a FS::Conf object as the three parameters.
+For example, this coderef does the same thing as using the "columnname" string:
+
+  sub {
+    my( $record, $data, $conf ) = @_;
+    $record->columnname( $data );
+  },
+
+Coderefs are run after all "column name" fields are assigned.
+
+=item format_types
+
+Optional format hashref of types.  Keys are field names, values are "csv",
+"xls" or "fixedlength".  Overrides automatic determination of file type
+from extension.
+
+=item format_headers
+
+Optional format hashref of header lines.  Keys are field names, values are 0
+for no header, 1 to ignore the first line, or to higher numbers to ignore that
+number of lines.
+
+=item format_sep_chars
+
+Optional format hashref of CSV sep_chars.  Keys are field names, values are the
+CSV separation character.
+
+=item format_fixedlenth_formats
+
+Optional format hashref of fixed length format defintiions.  Keys are field
+names, values Parse::FixedLength listrefs of field definitions.
+
+=item default_csv
+
+Set true to default to CSV file type if the filename does not contain a
+recognizable ".csv" or ".xls" extension (and type is not pre-specified by
+format_types).
+
+=back
+
+PARAMS is a base64-encoded Storable string containing the POSTed data as
+a hash ref.  It normally contains at least one field, "uploaded files",
+generated by /elements/file-upload.html and containing the list of uploaded
+files.  Currently only supports a single file named "file".
+
+=cut
+
+use Storable qw(thaw);
+use Data::Dumper;
+use MIME::Base64;
+sub process_batch_import {
+  my($job, $opt) = ( shift, shift );
+
+  my $table = $opt->{table};
+  my @pass_params = $opt->{params} ? @{ $opt->{params} } : ();
+  my %formats = %{ $opt->{formats} };
+
+  my $param = thaw(decode_base64(shift));
+  warn Dumper($param) if $DEBUG;
+  
+  my $files = $param->{'uploaded_files'}
+    or die "No files provided.\n";
+
+  my (%files) = map { /^(\w+):([\.\w]+)$/ ? ($1,$2):() } split /,/, $files;
+
+  my $dir = '%%%FREESIDE_CACHE%%%/cache.'. $FS::UID::datasrc. '/';
+  my $file = $dir. $files{'file'};
+
+  my %iopt = (
+    #class-static
+    table                      => $table,
+    formats                    => \%formats,
+    format_types               => $opt->{format_types},
+    format_headers             => $opt->{format_headers},
+    format_sep_chars           => $opt->{format_sep_chars},
+    format_fixedlength_formats => $opt->{format_fixedlength_formats},
+    format_row_callbacks       => $opt->{format_row_callbacks},
+    #per-import
+    job                        => $job,
+    file                       => $file,
+    #type                       => $type,
+    format                     => $param->{format},
+    params                     => { map { $_ => $param->{$_} } @pass_params },
+    #?
+    default_csv                => $opt->{default_csv},
+  );
+
+  if ( $opt->{'batch_namecol'} ) {
+    $iopt{'batch_namevalue'} = $param->{ $opt->{'batch_namecol'} };
+    $iopt{$_} = $opt->{$_} foreach qw( batch_keycol batch_table batch_namecol );
+  }
+
+  my $error = FS::Record::batch_import( \%iopt );
+
+  unlink $file;
+
+  die "$error\n" if $error;
+}
+
+=item batch_import PARAM_HASHREF
+
+Class method for batch imports.  Available params:
+
+=over 4
+
+=item table
+
+=item format - usual way to specify import, with this format string selecting data from the formats and format_* info hashes
+
+=item formats
+
+=item format_types
+
+=item format_headers
+
+=item format_sep_chars
+
+=item format_fixedlength_formats
+
+=item format_row_callbacks
+
+=item fields - Alternate way to specify import, specifying import fields directly as a listref
+
+=item postinsert_callback
+
+=item params
+
+=item job
+
+FS::queue object, will be updated with progress
+
+=item file
+
+=item type
+
+csv, xls or fixedlength
+
+=item empty_ok
+
+=back
+
+=cut
+
+sub batch_import {
+  my $param = shift;
+
+  warn "$me batch_import call with params: \n". Dumper($param)
+    if $DEBUG;
+
+  my $table   = $param->{table};
+
+  my $job     = $param->{job};
+  my $file    = $param->{file};
+  my $params  = $param->{params} || {};
+
+  my( $type, $header, $sep_char, $fixedlength_format, $row_callback, @fields );
+  my $postinsert_callback = '';
+  if ( $param->{'format'} ) {
+
+    my $format  = $param->{'format'};
+    my $formats = $param->{formats};
+    die "unknown format $format" unless exists $formats->{ $format };
+
+    $type = $param->{'format_types'}
+            ? $param->{'format_types'}{ $format }
+            : $param->{type} || 'csv';
+
+
+    $header = $param->{'format_headers'}
+               ? $param->{'format_headers'}{ $param->{'format'} }
+               : 0;
+
+    $sep_char = $param->{'format_sep_chars'}
+                  ? $param->{'format_sep_chars'}{ $param->{'format'} }
+                  : ',';
+
+    $fixedlength_format =
+      $param->{'format_fixedlength_formats'}
+        ? $param->{'format_fixedlength_formats'}{ $param->{'format'} }
+        : '';
+
+    $row_callback =
+      $param->{'format_row_callbacks'}
+        ? $param->{'format_row_callbacks'}{ $param->{'format'} }
+        : '';
+
+    @fields = @{ $formats->{ $format } };
+
+  } elsif ( $param->{'fields'} ) {
+
+    $type = ''; #infer from filename
+    $header = 0;
+    $sep_char = ',';
+    $fixedlength_format = '';
+    $row_callback = '';
+    @fields = @{ $param->{'fields'} };
+
+    $postinsert_callback = $param->{'postinsert_callback'}
+      if $param->{'postinsert_callback'}
+
+  } else {
+    die "neither format nor fields specified";
+  }
+
+  #my $file    = $param->{file};
+
+  unless ( $type ) {
+    if ( $file =~ /\.(\w+)$/i ) {
+      $type = lc($1);
+    } else {
+      #or error out???
+      warn "can't parse file type from filename $file; defaulting to CSV";
+      $type = 'csv';
+    }
+    $type = 'csv'
+      if $param->{'default_csv'} && $type ne 'xls';
+  }
+
+
+  my $row = 0;
+  my $count;
+  my $parser;
+  my @buffer = ();
+  if ( $type eq 'csv' || $type eq 'fixedlength' ) {
+
+    if ( $type eq 'csv' ) {
+
+      my %attr = ();
+      $attr{sep_char} = $sep_char if $sep_char;
+      $parser = new Text::CSV_XS \%attr;
+
+    } elsif ( $type eq 'fixedlength' ) {
+
+      eval "use Parse::FixedLength;";
+      die $@ if $@;
+      $parser = new Parse::FixedLength $fixedlength_format;
+ 
+    } else {
+      die "Unknown file type $type\n";
+    }
+
+    @buffer = split(/\r?\n/, slurp($file) );
+    splice(@buffer, 0, ($header || 0) );
+    $count = scalar(@buffer);
+
+  } elsif ( $type eq 'xls' ) {
+
+    eval "use Spreadsheet::ParseExcel;";
+    die $@ if $@;
+
+    eval "use DateTime::Format::Excel;";
+    #for now, just let the error be thrown if it is used, since only CDR
+    # formats bill_west and troop use it, not other excel-parsing things
+    #die $@ if $@;
+
+    my $excel = Spreadsheet::ParseExcel::Workbook->new->Parse($file);
+
+    $parser = $excel->{Worksheet}[0]; #first sheet
+
+    $count = $parser->{MaxRow} || $parser->{MinRow};
+    $count++;
+
+    $row = $header || 0;
+
+  } else {
+    die "Unknown file type $type\n";
+  }
+
+  #my $columns;
+
+  local $SIG{HUP} = 'IGNORE';
+  local $SIG{INT} = 'IGNORE';
+  local $SIG{QUIT} = 'IGNORE';
+  local $SIG{TERM} = 'IGNORE';
+  local $SIG{TSTP} = 'IGNORE';
+  local $SIG{PIPE} = 'IGNORE';
+
+  my $oldAutoCommit = $FS::UID::AutoCommit;
+  local $FS::UID::AutoCommit = 0;
+  my $dbh = dbh;
+
+  #my $params  = $param->{params} || {};
+  if ( $param->{'batch_namecol'} && $param->{'batch_namevalue'} ) {
+    my $batch_col   = $param->{'batch_keycol'};
+
+    my $batch_class = 'FS::'. $param->{'batch_table'};
+    my $batch = $batch_class->new({
+      $param->{'batch_namecol'} => $param->{'batch_namevalue'}
+    });
+    my $error = $batch->insert;
+    if ( $error ) {
+      $dbh->rollback if $oldAutoCommit;
+      return "can't insert batch record: $error";
+    }
+    #primary key via dbdef? (so the column names don't have to match)
+    my $batch_value = $batch->get( $param->{'batch_keycol'} );
+
+    $params->{ $batch_col } = $batch_value;
+  }
+
+  #my $job     = $param->{job};
+  my $line;
+  my $imported = 0;
+  my( $last, $min_sec ) = ( time, 5 ); #progressbar foo
+  while (1) {
+
+    my @columns = ();
+    if ( $type eq 'csv' ) {
+
+      last unless scalar(@buffer);
+      $line = shift(@buffer);
+
+      next if $line =~ /^\s*$/; #skip empty lines
+
+      $line = &{$row_callback}($line) if $row_callback;
+
+      $parser->parse($line) or do {
+        $dbh->rollback if $oldAutoCommit;
+        return "can't parse: ". $parser->error_input();
+      };
+      @columns = $parser->fields();
+
+    } elsif ( $type eq 'fixedlength' ) {
+
+      @columns = $parser->parse($line);
+
+    } elsif ( $type eq 'xls' ) {
+
+      last if $row > ($parser->{MaxRow} || $parser->{MinRow})
+           || ! $parser->{Cells}[$row];
+
+      my @row = @{ $parser->{Cells}[$row] };
+      @columns = map $_->{Val}, @row;
+
+      #my $z = 'A';
+      #warn $z++. ": $_\n" for @columns;
+
+    } else {
+      die "Unknown file type $type\n";
+    }
+
+    my @later = ();
+    my %hash = %$params;
+
+    foreach my $field ( @fields ) {
+
+      my $value = shift @columns;
+     
+      if ( ref($field) eq 'CODE' ) {
+        #&{$field}(\%hash, $value);
+        push @later, $field, $value;
+      } else {
+        #??? $hash{$field} = $value if length($value);
+        $hash{$field} = $value if defined($value) && length($value);
+      }
+
+    }
+
+    #my $table   = $param->{table};
+    my $class = "FS::$table";
+
+    my $record = $class->new( \%hash );
+
+    my $param = {};
+    while ( scalar(@later) ) {
+      my $sub = shift @later;
+      my $data = shift @later;
+      &{$sub}($record, $data, $conf, $param); # $record->&{$sub}($data, $conf);
+      last if exists( $param->{skiprow} );
+    }
+    next if exists( $param->{skiprow} );
+
+    my $error = $record->insert;
+
+    if ( $error ) {
+      $dbh->rollback if $oldAutoCommit;
+      return "can't insert record". ( $line ? " for $line" : '' ). ": $error";
+    }
+
+    $row++;
+    $imported++;
+
+    if ( $postinsert_callback ) {
+      my $error = &{$postinsert_callback}($record, $param);
+      if ( $error ) {
+        $dbh->rollback if $oldAutoCommit;
+        return "postinsert_callback error". ( $line ? " for $line" : '' ).
+               ": $error";
+      }
+    }
+
+    if ( $job && time - $min_sec > $last ) { #progress bar
+      $job->update_statustext( int(100 * $imported / $count) );
+      $last = time;
+    }
+
+  }
+
+  $dbh->commit or die $dbh->errstr if $oldAutoCommit;;
+
+  return "Empty file!" unless $imported || $param->{empty_ok};
+
+  ''; #no error
+
+}
+
 sub _h_statement {
   my( $self, $action, $time ) = @_;
 
   $time ||= time;
 
+  my %nohistory = map { $_=>1 } $self->nohistory_fields;
+
   my @fields =
-    grep defined($self->getfield($_)) && $self->getfield($_) ne "",
+    grep { defined($self->get($_)) && $self->get($_) ne "" && ! $nohistory{$_} }
     real_fields($self->table);
   ;
+
+  # If we're encrypting then don't store the payinfo in the history
+  if ( $conf && $conf->exists('encryption') ) {
+    @fields = grep { $_ ne 'payinfo' } @fields;
+  }
+
   my @values = map { _quote( $self->getfield($_), $self->table, $_) } @fields;
 
   "INSERT INTO h_". $self->table. " ( ".
@@ -1263,30 +1988,101 @@ null.  If there is an error, returns the error, otherwise returns false.
 
 sub ut_float {
   my($self,$field)=@_ ;
-  ($self->getfield($field) =~ /^(\d+\.\d+)$/ ||
-   $self->getfield($field) =~ /^(\d+)$/ ||
-   $self->getfield($field) =~ /^(\d+\.\d+e\d+)$/ ||
-   $self->getfield($field) =~ /^(\d+e\d+)$/)
+  ($self->getfield($field) =~ /^\s*(\d+\.\d+)\s*$/ ||
+   $self->getfield($field) =~ /^\s*(\d+)\s*$/ ||
+   $self->getfield($field) =~ /^\s*(\d+\.\d+e\d+)\s*$/ ||
+   $self->getfield($field) =~ /^\s*(\d+e\d+)\s*$/)
+    or return "Illegal or empty (float) $field: ". $self->getfield($field);
+  $self->setfield($field,$1);
+  '';
+}
+=item ut_floatn COLUMN
+
+Check/untaint floating point numeric data: 1.1, 1, 1.1e10, 1e10.  May be
+null.  If there is an error, returns the error, otherwise returns false.
+
+=cut
+
+#false laziness w/ut_ipn
+sub ut_floatn {
+  my( $self, $field ) = @_;
+  if ( $self->getfield($field) =~ /^()$/ ) {
+    $self->setfield($field,'');
+    '';
+  } else {
+    $self->ut_float($field);
+  }
+}
+
+=item ut_sfloat COLUMN
+
+Check/untaint signed floating point numeric data: 1.1, 1, 1.1e10, 1e10.
+May not be null.  If there is an error, returns the error, otherwise returns
+false.
+
+=cut
+
+sub ut_sfloat {
+  my($self,$field)=@_ ;
+  ($self->getfield($field) =~ /^\s*(-?\d+\.\d+)\s*$/ ||
+   $self->getfield($field) =~ /^\s*(-?\d+)\s*$/ ||
+   $self->getfield($field) =~ /^\s*(-?\d+\.\d+[eE]-?\d+)\s*$/ ||
+   $self->getfield($field) =~ /^\s*(-?\d+[eE]-?\d+)\s*$/)
     or return "Illegal or empty (float) $field: ". $self->getfield($field);
   $self->setfield($field,$1);
   '';
 }
+=item ut_sfloatn COLUMN
+
+Check/untaint signed floating point numeric data: 1.1, 1, 1.1e10, 1e10.  May be
+null.  If there is an error, returns the error, otherwise returns false.
+
+=cut
+
+sub ut_sfloatn {
+  my( $self, $field ) = @_;
+  if ( $self->getfield($field) =~ /^()$/ ) {
+    $self->setfield($field,'');
+    '';
+  } else {
+    $self->ut_sfloat($field);
+  }
+}
 
 =item ut_snumber COLUMN
 
-Check/untaint signed numeric data (whole numbers).  May not be null.  If there
-is an error, returns the error, otherwise returns false.
+Check/untaint signed numeric data (whole numbers).  If there is an error,
+returns the error, otherwise returns false.
 
 =cut
 
 sub ut_snumber {
   my($self, $field) = @_;
-  $self->getfield($field) =~ /^(-?)\s*(\d+)$/
+  $self->getfield($field) =~ /^\s*(-?)\s*(\d+)\s*$/
     or return "Illegal or empty (numeric) $field: ". $self->getfield($field);
   $self->setfield($field, "$1$2");
   '';
 }
 
+=item ut_snumbern COLUMN
+
+Check/untaint signed numeric data (whole numbers).  If there is an error,
+returns the error, otherwise returns false.
+
+=cut
+
+sub ut_snumbern {
+  my($self, $field) = @_;
+  $self->getfield($field) =~ /^\s*(-?)\s*(\d*)\s*$/
+    or return "Illegal (numeric) $field: ". $self->getfield($field);
+  if ($1) {
+    return "Illegal (numeric) $field: ". $self->getfield($field)
+      unless $2;
+  }
+  $self->setfield($field, "$1$2");
+  '';
+}
+
 =item ut_number COLUMN
 
 Check/untaint simple numeric data (whole numbers).  May not be null.  If there
@@ -1296,7 +2092,7 @@ is an error, returns the error, otherwise returns false.
 
 sub ut_number {
   my($self,$field)=@_;
-  $self->getfield($field) =~ /^(\d+)$/
+  $self->getfield($field) =~ /^\s*(\d+)\s*$/
     or return "Illegal or empty (numeric) $field: ". $self->getfield($field);
   $self->setfield($field,$1);
   '';
@@ -1311,7 +2107,7 @@ an error, returns the error, otherwise returns false.
 
 sub ut_numbern {
   my($self,$field)=@_;
-  $self->getfield($field) =~ /^(\d*)$/
+  $self->getfield($field) =~ /^\s*(\d*)\s*$/
     or return "Illegal (numeric) $field: ". $self->getfield($field);
   $self->setfield($field,$1);
   '';
@@ -1327,17 +2123,33 @@ is an error, returns the error, otherwise returns false.
 sub ut_money {
   my($self,$field)=@_;
   $self->setfield($field, 0) if $self->getfield($field) eq '';
-  $self->getfield($field) =~ /^(\-)? ?(\d*)(\.\d{2})?$/
+  $self->getfield($field) =~ /^\s*(\-)?\s*(\d*)(\.\d{2})?\s*$/
     or return "Illegal (money) $field: ". $self->getfield($field);
   #$self->setfield($field, "$1$2$3" || 0);
   $self->setfield($field, ( ($1||''). ($2||''). ($3||'') ) || 0);
   '';
 }
 
+=item ut_moneyn COLUMN
+
+Check/untaint monetary numbers.  May be negative.  If there
+is an error, returns the error, otherwise returns false.
+
+=cut
+
+sub ut_moneyn {
+  my($self,$field)=@_;
+  if ($self->getfield($field) eq '') {
+    $self->setfield($field, '');
+    return '';
+  }
+  $self->ut_money($field);
+}
+
 =item ut_text COLUMN
 
 Check/untaint text.  Alphanumerics, spaces, and the following punctuation
-symbols are currently permitted: ! @ # $ % & ( ) - + ; : ' " , . ? / = [ ]
+symbols are currently permitted: ! @ # $ % & ( ) - + ; : ' " , . ? / = [ ] < >
 May not be null.  If there is an error, returns the error, otherwise returns
 false.
 
@@ -1349,7 +2161,7 @@ sub ut_text {
   #warn "notexist ". \&notexist. "\n";
   #warn "AUTOLOAD ". \&AUTOLOAD. "\n";
   $self->getfield($field)
-    =~ /^([\w \!\@\#\$\%\&\(\)\-\+\;\:\'\"\,\.\?\/\=\[\]]+)$/
+    =~ /^([\w \!\@\#\$\%\&\(\)\-\+\;\:\'\"\,\.\?\/\=\[\]\<\>]+)$/
       or return gettext('illegal_or_empty_text'). " $field: ".
                  $self->getfield($field);
   $self->setfield($field,$1);
@@ -1389,7 +2201,7 @@ sub ut_alpha {
   '';
 }
 
-=item ut_alpha COLUMN
+=item ut_alphan COLUMN
 
 Check/untaint alphanumeric strings (no spaces).  May be null.  If there is an
 error, returns the error, otherwise returns false.
@@ -1404,24 +2216,56 @@ sub ut_alphan {
   '';
 }
 
-=item ut_phonen COLUMN [ COUNTRY ]
-
-Check/untaint phone numbers.  May be null.  If there is an error, returns
-the error, otherwise returns false.
+=item ut_alphasn COLUMN
 
-Takes an optional two-letter ISO country code; without it or with unsupported
-countries, ut_phonen simply calls ut_alphan.
+Check/untaint alphanumeric strings, spaces allowed.  May be null.  If there is
+an error, returns the error, otherwise returns false.
 
 =cut
 
-sub ut_phonen {
-  my( $self, $field, $country ) = @_;
-  return $self->ut_alphan($field) unless defined $country;
-  my $phonen = $self->getfield($field);
-  if ( $phonen eq '' ) {
-    $self->setfield($field,'');
-  } elsif ( $country eq 'US' || $country eq 'CA' ) {
+sub ut_alphasn {
+  my($self,$field)=@_;
+  $self->getfield($field) =~ /^([\w ]*)$/ 
+    or return "Illegal (alphanumeric) $field: ". $self->getfield($field);
+  $self->setfield($field,$1);
+  '';
+}
+
+
+=item ut_alpha_lower COLUMN
+
+Check/untaint lowercase alphanumeric strings (no spaces).  May not be null.  If
+there is an error, returns the error, otherwise returns false.
+
+=cut
+
+sub ut_alpha_lower {
+  my($self,$field)=@_;
+  $self->getfield($field) =~ /[[:upper:]]/
+    and return "Uppercase characters are not permitted in $field";
+  $self->ut_alpha($field);
+}
+
+=item ut_phonen COLUMN [ COUNTRY ]
+
+Check/untaint phone numbers.  May be null.  If there is an error, returns
+the error, otherwise returns false.
+
+Takes an optional two-letter ISO country code; without it or with unsupported
+countries, ut_phonen simply calls ut_alphan.
+
+=cut
+
+sub ut_phonen {
+  my( $self, $field, $country ) = @_;
+  return $self->ut_alphan($field) unless defined $country;
+  my $phonen = $self->getfield($field);
+  if ( $phonen eq '' ) {
+    $self->setfield($field,'');
+  } elsif ( $country eq 'US' || $country eq 'CA' ) {
     $phonen =~ s/\D//g;
+    $phonen = $conf->config('cust_main-default_areacode').$phonen
+      if length($phonen)==7 && $conf->config('cust_main-default_areacode');
     $phonen =~ /^(\d{3})(\d{3})(\d{4})(\d*)$/
       or return gettext('illegal_phone'). " $field: ". $self->getfield($field);
     $phonen = "$1-$2-$3";
@@ -1434,14 +2278,43 @@ sub ut_phonen {
   '';
 }
 
+=item ut_hex COLUMN
+
+Check/untaint hexadecimal values.
+
+=cut
+
+sub ut_hex {
+  my($self, $field) = @_;
+  $self->getfield($field) =~ /^([\da-fA-F]+)$/
+    or return "Illegal (hex) $field: ". $self->getfield($field);
+  $self->setfield($field, uc($1));
+  '';
+}
+
+=item ut_hexn COLUMN
+
+Check/untaint hexadecimal values.  May be null.
+
+=cut
+
+sub ut_hexn {
+  my($self, $field) = @_;
+  $self->getfield($field) =~ /^([\da-fA-F]*)$/
+    or return "Illegal (hex) $field: ". $self->getfield($field);
+  $self->setfield($field, uc($1));
+  '';
+}
 =item ut_ip COLUMN
 
-Check/untaint ip addresses.  IPv4 only for now.
+Check/untaint ip addresses.  IPv4 only for now, though ::1 is auto-translated
+to 127.0.0.1.
 
 =cut
 
 sub ut_ip {
   my( $self, $field ) = @_;
+  $self->setfield($field, '127.0.0.1') if $self->getfield($field) eq '::1';
   $self->getfield($field) =~ /^(\d+)\.(\d+)\.(\d+)\.(\d+)$/
     or return "Illegal (IP address) $field: ". $self->getfield($field);
   for ( $1, $2, $3, $4 ) { return "Illegal (IP address) $field" if $_ > 255; }
@@ -1451,7 +2324,8 @@ sub ut_ip {
 
 =item ut_ipn COLUMN
 
-Check/untaint ip addresses.  IPv4 only for now.  May be null.
+Check/untaint ip addresses.  IPv4 only for now, though ::1 is auto-translated
+to 127.0.0.1.  May be null.
 
 =cut
 
@@ -1465,6 +2339,92 @@ sub ut_ipn {
   }
 }
 
+=item ut_coord COLUMN [ LOWER [ UPPER ] ]
+
+Check/untaint coordinates.
+Accepts the following forms:
+DDD.DDDDD
+-DDD.DDDDD
+DDD MM.MMM
+-DDD MM.MMM
+DDD MM SS
+-DDD MM SS
+DDD MM MMM
+-DDD MM MMM
+
+The "DDD MM SS" and "DDD MM MMM" are potentially ambiguous.
+The latter form (that is, the MMM are thousands of minutes) is
+assumed if the "MMM" is exactly three digits or two digits > 59.
+
+To be safe, just use the DDD.DDDDD form.
+
+If LOWER or UPPER are specified, then the coordinate is checked
+for lower and upper bounds, respectively.
+
+=cut
+
+sub ut_coord {
+
+  my ($self, $field) = (shift, shift);
+
+  my $lower = shift if scalar(@_);
+  my $upper = shift if scalar(@_);
+  my $coord = $self->getfield($field);
+  my $neg = $coord =~ s/^(-)//;
+
+  my ($d, $m, $s) = (0, 0, 0);
+
+  if (
+    (($d) = ($coord =~ /^(\s*\d{1,3}(?:\.\d+)?)\s*$/)) ||
+    (($d, $m) = ($coord =~ /^(\s*\d{1,3})\s+(\d{1,2}(?:\.\d+))\s*$/)) ||
+    (($d, $m, $s) = ($coord =~ /^(\s*\d{1,3})\s+(\d{1,2})\s+(\d{1,3})\s*$/))
+  ) {
+    $s = (((($s =~ /^\d{3}$/) or $s > 59) ? ($s / 1000) : ($s / 60)) / 60);
+    $m = $m / 60;
+    if ($m > 59) {
+      return "Invalid (coordinate with minutes > 59) $field: "
+             . $self->getfield($field);
+    }
+
+    $coord = ($neg ? -1 : 1) * sprintf('%.8f', $d + $m + $s);
+
+    if (defined($lower) and ($coord < $lower)) {
+      return "Invalid (coordinate < $lower) $field: "
+             . $self->getfield($field);;
+    }
+
+    if (defined($upper) and ($coord > $upper)) {
+      return "Invalid (coordinate > $upper) $field: "
+             . $self->getfield($field);;
+    }
+
+    $self->setfield($field, $coord);
+    return '';
+  }
+
+  return "Invalid (coordinate) $field: " . $self->getfield($field);
+
+}
+
+=item ut_coordn COLUMN [ LOWER [ UPPER ] ]
+
+Same as ut_coord, except optionally null.
+
+=cut
+
+sub ut_coordn {
+
+  my ($self, $field) = (shift, shift);
+
+  if ($self->getfield($field) =~ /^$/) {
+    return '';
+  } else {
+    return $self->ut_coord($field, @_);
+  }
+
+}
+
+
 =item ut_domain COLUMN
 
 Check/untaint host and domain names.
@@ -1503,7 +2463,7 @@ Check/untaint zip codes.
 
 =cut
 
-my @zip_reqd_countries = qw( CA ); #US implicit...
+my @zip_reqd_countries = qw( AU CA US ); #CA, US implicit...
 
 sub ut_zip {
   my( $self, $field, $country ) = @_;
@@ -1585,7 +2545,7 @@ sub ut_enum {
   my( $self, $field, $choices ) = @_;
   foreach my $choice ( @$choices ) {
     if ( $self->getfield($field) eq $choice ) {
-      $self->setfield($choice);
+      $self->setfield($field, $choice);
       return '';
     }
   }
@@ -1601,6 +2561,7 @@ on the column first.
 
 sub ut_foreign_key {
   my( $self, $field, $table, $foreign ) = @_;
+  return '' if $no_check_foreign;
   qsearchs($table, { $foreign => $self->getfield($field) })
     or return "Can't find ". $self->table. ".$field ". $self->getfield($field).
               " in $table.$foreign";
@@ -1620,6 +2581,39 @@ sub ut_foreign_keyn {
     : '';
 }
 
+=item ut_agentnum_acl COLUMN [ NULL_RIGHT | NULL_RIGHT_LISTREF ]
+
+Checks this column as an agentnum, taking into account the current users's
+ACLs.  NULL_RIGHT or NULL_RIGHT_LISTREF, if specified, indicates the access
+right or rights allowing no agentnum.
+
+=cut
+
+sub ut_agentnum_acl {
+  my( $self, $field ) = (shift, shift);
+  my $null_acl = scalar(@_) ? shift : [];
+  $null_acl = [ $null_acl ] unless ref($null_acl);
+
+  my $error = $self->ut_foreign_keyn($field, 'agent', 'agentnum');
+  return "Illegal agentnum: $error" if $error;
+
+  my $curuser = $FS::CurrentUser::CurrentUser;
+
+  if ( $self->$field() ) {
+
+    return "Access denied"
+      unless $curuser->agentnum($self->$field());
+
+  } else {
+
+    return "Access denied"
+      unless grep $curuser->access_right($_), @$null_acl;
+
+  }
+
+  '';
+
+}
 
 =item virtual_fields [ TABLE ]
 
@@ -1671,8 +2665,6 @@ sub fields {
   return (real_fields($table), $something->virtual_fields());
 }
 
-=back
-
 =item pvf FIELD_NAME
 
 Returns the FS::part_virtual_field object corresponding to a field in the 
@@ -1690,59 +2682,6 @@ sub pvf {
   ''
 }
 
-=head1 SUBROUTINES
-
-=over 4
-
-=item real_fields [ TABLE ]
-
-Returns a list of the real columns in the specified table.  Called only by 
-fields() and other subroutines elsewhere in FS::Record.
-
-=cut
-
-sub real_fields {
-  my $table = shift;
-
-  my($table_obj) = dbdef->table($table);
-  confess "Unknown table $table" unless $table_obj;
-  $table_obj->columns;
-}
-
-=item _quote VALUE, TABLE, COLUMN
-
-This is an internal function used to construct SQL statements.  It returns
-VALUE DBI-quoted (see L<DBI/"quote">) unless VALUE is a number and the column
-type (see L<DBIx::DBSchema::Column>) does not end in `char' or `binary'.
-
-=cut
-
-sub _quote {
-  my($value, $table, $column) = @_;
-  my $column_obj = dbdef->table($table)->column($column);
-  my $column_type = $column_obj->type;
-  my $nullable = $column_obj->null;
-
-  warn "  $table.$column: $value ($column_type".
-       ( $nullable ? ' NULL' : ' NOT NULL' ).
-       ")\n" if $DEBUG > 2;
-
-  if ( $value eq '' && $column_type =~ /^int/ ) {
-    if ( $nullable ) {
-      'NULL';
-    } else {
-      cluck "WARNING: Attempting to set non-null integer $table.$column null; ".
-            "using 0 instead";
-      0;
-    }
-  } elsif ( $value =~ /^\d+(\.\d+)?$/ && 
-            ! $column_type =~ /(char|binary|text)$/i ) {
-    $value;
-  } else {
-    dbh->quote($value);
-  }
-}
-
 =item vfieldpart_hashref TABLE
 
 Returns a hashref of virtual field names and vfieldparts applicable to the given
@@ -1766,37 +2705,20 @@ sub vfieldpart_hashref {
 
 }
 
+=item encrypt($value)
 
-=item hfields TABLE
+Encrypts the credit card using a combination of PK to encrypt and uuencode to armour.
 
-This is deprecated.  Don't use it.
+Returns the encrypted string.
 
-It returns a hash-type list with the fields of this record's table set true.
+You should generally not have to worry about calling this, as the system handles this for you.
 
 =cut
 
-sub hfields {
-  carp "warning: hfields is deprecated";
-  my($table)=@_;
-  my(%hash);
-  foreach (fields($table)) {
-    $hash{$_}=1;
-  }
-  \%hash;
-}
-
-sub _dump {
-  my($self)=@_;
-  join("\n", map {
-    "$_: ". $self->getfield($_). "|"
-  } (fields($self->table)) );
-}
-
 sub encrypt {
   my ($self, $value) = @_;
   my $encrypted;
 
-  my $conf = new FS::Conf;
   if ($conf->exists('encryption')) {
     if ($self->is_encrypted($value)) {
       # Return the original value if it isn't plaintext.
@@ -1816,26 +2738,41 @@ sub encrypt {
   return $encrypted;
 }
 
+=item is_encrypted($value)
+
+Checks to see if the string is encrypted and returns true or false (1/0) to indicate it's status.
+
+=cut
+
+
 sub is_encrypted {
   my ($self, $value) = @_;
   # Possible Bug - Some work may be required here....
 
-  if (length($value) > 80) {
+  if ($value =~ /^M/ && length($value) > 80) {
     return 1;
   } else {
     return 0;
   }
 }
 
+=item decrypt($value)
+
+Uses the private key to decrypt the string. Returns the decryoted string or undef on failure.
+
+You should generally not have to worry about calling this, as the system handles this for you.
+
+=cut
+
 sub decrypt {
   my ($self,$value) = @_;
   my $decrypted = $value; # Will return the original value if it isn't encrypted or can't be decrypted.
-  my $conf = new FS::Conf;
   if ($conf->exists('encryption') && $self->is_encrypted($value)) {
     $self->loadRSA;
     if (ref($rsa_decrypt) =~ /::RSA/) {
       my $encrypted = unpack ("u*", $value);
-      $decrypted =  unpack("Z*", $rsa_decrypt->decrypt($encrypted));
+      $decrypted =  unpack("Z*", eval{$rsa_decrypt->decrypt($encrypted)});
+      if ($@) {warn "Decryption Failed"};
     }
   }
   return $decrypted;
@@ -1846,7 +2783,6 @@ sub loadRSA {
     #Initialize the Module
     $rsa_module = 'Crypt::OpenSSL::RSA'; # The Default
 
-    my $conf = new FS::Conf;
     if ($conf->exists('encryptionmodule') && $conf->config('encryptionmodule') ne '') {
       $rsa_module = $conf->config('encryptionmodule');
     }
@@ -1868,6 +2804,151 @@ sub loadRSA {
     }
 }
 
+=item h_search ACTION
+
+Given an ACTION, either "insert", or "delete", returns the appropriate history
+record corresponding to this record, if any.
+
+=cut
+
+sub h_search {
+  my( $self, $action ) = @_;
+
+  my $table = $self->table;
+  $table =~ s/^h_//;
+
+  my $primary_key = dbdef->table($table)->primary_key;
+
+  qsearchs({
+    'table'   => "h_$table",
+    'hashref' => { $primary_key     => $self->$primary_key(),
+                   'history_action' => $action,
+                 },
+  });
+
+}
+
+=item h_date ACTION
+
+Given an ACTION, either "insert", or "delete", returns the timestamp of the
+appropriate history record corresponding to this record, if any.
+
+=cut
+
+sub h_date {
+  my($self, $action) = @_;
+  my $h = $self->h_search($action);
+  $h ? $h->history_date : '';
+}
+
+=item scalar_sql SQL [ PLACEHOLDER, ... ]
+
+A class or object method.  Executes the sql statement represented by SQL and
+returns a scalar representing the result: the first column of the first row.
+
+Dies on bogus SQL.  Returns an empty string if no row is returned.
+
+Typically used for statments which return a single value such as "SELECT
+COUNT(*) FROM table WHERE something" OR "SELECT column FROM table WHERE key = ?"
+
+=cut
+
+sub scalar_sql {
+  my($self, $sql) = (shift, shift);
+  my $sth = dbh->prepare($sql) or die dbh->errstr;
+  $sth->execute(@_)
+    or die "Unexpected error executing statement $sql: ". $sth->errstr;
+  my $scalar = $sth->fetchrow_arrayref->[0];
+  defined($scalar) ? $scalar : '';
+}
+
+=back
+
+=head1 SUBROUTINES
+
+=over 4
+
+=item real_fields [ TABLE ]
+
+Returns a list of the real columns in the specified table.  Called only by 
+fields() and other subroutines elsewhere in FS::Record.
+
+=cut
+
+sub real_fields {
+  my $table = shift;
+
+  my($table_obj) = dbdef->table($table);
+  confess "Unknown table $table" unless $table_obj;
+  $table_obj->columns;
+}
+
+=item _quote VALUE, TABLE, COLUMN
+
+This is an internal function used to construct SQL statements.  It returns
+VALUE DBI-quoted (see L<DBI/"quote">) unless VALUE is a number and the column
+type (see L<DBIx::DBSchema::Column>) does not end in `char' or `binary'.
+
+=cut
+
+sub _quote {
+  my($value, $table, $column) = @_;
+  my $column_obj = dbdef->table($table)->column($column);
+  my $column_type = $column_obj->type;
+  my $nullable = $column_obj->null;
+
+  warn "  $table.$column: $value ($column_type".
+       ( $nullable ? ' NULL' : ' NOT NULL' ).
+       ")\n" if $DEBUG > 2;
+
+  if ( $value eq '' && $nullable ) {
+    'NULL';
+  } elsif ( $value eq '' && $column_type =~ /^(int|numeric)/ ) {
+    cluck "WARNING: Attempting to set non-null integer $table.$column null; ".
+          "using 0 instead";
+    0;
+  } elsif ( $value =~ /^\d+(\.\d+)?$/ && 
+            ! $column_type =~ /(char|binary|text)$/i ) {
+    $value;
+  } elsif (( $column_type =~ /^bytea$/i || $column_type =~ /(blob|varbinary)/i )
+           && driver_name eq 'Pg'
+          )
+  {
+    no strict 'subs';
+#    dbh->quote($value, { pg_type => PG_BYTEA() }); # doesn't work right
+    # Pg binary string quoting: convert each character to 3-digit octal prefixed with \\, 
+    # single-quote the whole mess, and put an "E" in front.
+    return ("E'" . join('', map { sprintf('\\\\%03o', ord($_)) } split(//, $value) ) . "'");
+  } else {
+    dbh->quote($value);
+  }
+}
+
+=item hfields TABLE
+
+This is deprecated.  Don't use it.
+
+It returns a hash-type list with the fields of this record's table set true.
+
+=cut
+
+sub hfields {
+  carp "warning: hfields is deprecated";
+  my($table)=@_;
+  my(%hash);
+  foreach (fields($table)) {
+    $hash{$_}=1;
+  }
+  \%hash;
+}
+
+sub _dump {
+  my($self)=@_;
+  join("\n", map {
+    "$_: ". $self->getfield($_). "|"
+  } (fields($self->table)) );
+}
+
 sub DESTROY { return; }
 
 #sub DESTROY {
@@ -1881,6 +2962,91 @@ sub DESTROY { return; }
 #             return ! eval { join('',@_), kill 0; 1; };
 #         }
 
+=item str2time_sql [ DRIVER_NAME ]
+
+Returns a function to convert to unix time based on database type, such as
+"EXTRACT( EPOCH FROM" for Pg or "UNIX_TIMESTAMP(" for mysql.  See
+the str2time_sql_closing method to return a closing string rather than just
+using a closing parenthesis as previously suggested.
+
+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 str2time_sql { 
+  my $driver = shift || driver_name;
+
+  return 'UNIX_TIMESTAMP('      if $driver =~ /^mysql/i;
+  return 'EXTRACT( EPOCH FROM ' if $driver =~ /^Pg/i;
+
+  warn "warning: unknown database type $driver; guessing how to convert ".
+       "dates to UNIX timestamps";
+  return 'EXTRACT(EPOCH FROM ';
+
+}
+
+=item str2time_sql_closing [ DRIVER_NAME ]
+
+Returns the closing suffix of a function to convert to unix time based on
+database type, such as ")::integer" for Pg or ")" for mysql.
+
+You can pass an optional driver name such as "Pg", "mysql" or
+$dbh->{Driver}->{Name} to return a function for that database instead of
+the current database.
+
+=cut
+
+sub str2time_sql_closing { 
+  my $driver = shift || driver_name;
+
+  return ' )::INTEGER ' if $driver =~ /^Pg/i;
+  return ' ) ';
+}
+
+=item regexp_sql [ DRIVER_NAME ]
+
+Returns the operator to do a regular expression comparison based on database
+type, such as '~' for Pg or 'REGEXP' for mysql.
+
+You can pass an optional driver name such as "Pg", "mysql" or
+$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