118 lines
2.2 KiB
Perl
118 lines
2.2 KiB
Perl
package WebGUI::Persistent::Query::Update;
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=head1 LEGAL
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-------------------------------------------------------------------
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WebGUI is Copyright 2001-2003 Plain Black LLC.
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-------------------------------------------------------------------
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Please read the legal notices (docs/legal.txt) and the license
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(docs/license.txt) that came with this distribution before using
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this software.
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-------------------------------------------------------------------
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http://www.plainblack.com info@plainblack.com
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-------------------------------------------------------------------
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=cut
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use strict;
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use warnings;
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use WebGUI::Persistent::Query;
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our @ISA = qw(WebGUI::Persistent::Query);
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=head1 NAME
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Package WebGUI::Persistent::Query::Insert
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=head1 DESCRIPTION
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This class allows reliable dynamic building of Sql insert queries.
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=head1 SYNOPSIS
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my $query = WebGUI::Persistent::Query::Insert->new(
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table => 'myTable',
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where => [A => [1,2],[{C => 'hello',B => 1}]],
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data => {
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A => 1,
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B => 2,
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C => 'hello',
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D => 'world'
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},
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properties => {
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A => { },
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B => { },
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C => { quote => 1 },
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D => { quote => 1 },
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}
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);
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$query->buildQuery();
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Returns:
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UPDATE myTable SET A = 1, B = 2, C = 'hello' C = 'world'
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WHERE A IN (1,2) AND (C = 'hello' OR B = 1)
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=cut
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=head2 buildQuery
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=cut
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sub buildQuery {
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my ($self) = @_;
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my @clauses = ('UPDATE',$self->{_table},$self->buildSet());
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if (my $where = $self->buildWhere()) {
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push @clauses,$where;
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}
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return join(' ',@clauses);
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}
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sub buildSet {
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my ($self) = @_;
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'SET '.join(', ',map {
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"$_ = ". $self->quote($_,$self->{_data}{$_})
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} keys %{$self->{_data}});
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}
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=head2 new( %p )
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=over
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=item data
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A hash reference of field name to value.
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=item properties
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=over
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=item * quote
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If true values for this field are automatically quoted.
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=back
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=item table
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=item where
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A hash reference or array reference of arguments to build a where clause from.
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See WebGUI::Persistent::Query::parseWhereArgs for details.
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=back
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=cut
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sub new {
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my ($class,%p) = @_;
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my $self = $class->SUPER::new(%p);
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$self->{_data} = $p{data} || {};
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return $self;
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}
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1;
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