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Direktori : /proc/self/root/lib64/perl5/vendor_perl/DBI/Const/ |
Current File : //proc/self/root/lib64/perl5/vendor_perl/DBI/Const/GetInfoReturn.pm |
# $Id: GetInfoReturn.pm 8696 2007-01-24 23:12:38Z Tim $ # # Copyright (c) 2002 Tim Bunce Ireland # # Constant data describing return values from the DBI getinfo function. # # You may distribute under the terms of either the GNU General Public # License or the Artistic License, as specified in the Perl README file. package DBI::Const::GetInfoReturn; use strict; use Exporter (); use vars qw(@ISA @EXPORT @EXPORT_OK %GetInfoReturnTypes %GetInfoReturnValues); @ISA = qw(Exporter); @EXPORT = qw(%GetInfoReturnTypes %GetInfoReturnValues); my $VERSION = sprintf("2.%06d", q$Revision: 8696 $ =~ /(\d+)/o); =head1 NAME DBI::Const::GetInfoReturn - Data and functions for describing GetInfo results =head1 SYNOPSIS The interface to this module is undocumented and liable to change. =head1 DESCRIPTION Data and functions for describing GetInfo results =cut use DBI::Const::GetInfoType; use DBI::Const::GetInfo::ANSI (); use DBI::Const::GetInfo::ODBC (); %GetInfoReturnTypes = ( %DBI::Const::GetInfo::ANSI::ReturnTypes , %DBI::Const::GetInfo::ODBC::ReturnTypes ); %GetInfoReturnValues = (); { my $A = \%DBI::Const::GetInfo::ANSI::ReturnValues; my $O = \%DBI::Const::GetInfo::ODBC::ReturnValues; while ( my ($k, $v) = each %$A ) { my %h = ( exists $O->{$k} ) ? ( %$v, %{$O->{$k}} ) : %$v; $GetInfoReturnValues{$k} = \%h; } while ( my ($k, $v) = each %$O ) { next if exists $A->{$k}; my %h = %$v; $GetInfoReturnValues{$k} = \%h; } } # ----------------------------------------------------------------------------- sub Format { my $InfoType = shift; my $Value = shift; return '' unless defined $Value; my $ReturnType = $GetInfoReturnTypes{$InfoType}; return sprintf '0x%08X', $Value if $ReturnType eq 'SQLUINTEGER bitmask'; return sprintf '0x%08X', $Value if $ReturnType eq 'SQLINTEGER bitmask'; # return '"' . $Value . '"' if $ReturnType eq 'SQLCHAR'; return $Value; } sub Explain { my $InfoType = shift; my $Value = shift; return '' unless defined $Value; return '' unless exists $GetInfoReturnValues{$InfoType}; $Value = int $Value; my $ReturnType = $GetInfoReturnTypes{$InfoType}; my %h = reverse %{$GetInfoReturnValues{$InfoType}}; if ( $ReturnType eq 'SQLUINTEGER bitmask'|| $ReturnType eq 'SQLINTEGER bitmask') { my @a = (); for my $k ( sort { $a <=> $b } keys %h ) { push @a, $h{$k} if $Value & $k; } return wantarray ? @a : join(' ', @a ); } else { return $h{$Value} ||'?'; } } 1;