--- /dev/null
+package DBIx::Class::CDBICompat::SQLTransformer;
+
+use strict;
+use warnings;
+
+=head1 NAME
+
+DBIx::Class::CDBICompat::SQLTransformer - Transform SQL
+
+=head1 DESCRIPTION
+
+This is a copy of L<Class::DBI::SQL::Transformer> from Class::DBI 3.0.17.
+It is here so we can be compatible with L<Class::DBI> without having it
+installed.
+
+=cut
+
+sub new {
+ my ($me, $caller, $sql, @args) = @_;
+ bless {
+ _caller => $caller,
+ _sql => $sql,
+ _args => [@args],
+ _transformed => 0,
+ } => $me;
+}
+
+sub sql {
+ my $self = shift;
+ $self->_do_transformation if !$self->{_transformed};
+ return $self->{_transformed_sql};
+}
+
+sub args {
+ my $self = shift;
+ $self->_do_transformation if !$self->{_transformed};
+ return @{ $self->{_transformed_args} };
+}
+
+sub _expand_table {
+ my $self = shift;
+ my ($class, $alias) = split /=/, shift, 2;
+ my $caller = $self->{_caller};
+ my $table = $class ? $class->table : $caller->table;
+ $self->{cmap}{ $alias || $table } = $class || ref $caller || $caller;
+ ($alias ||= "") &&= " $alias";
+ return $table . $alias;
+}
+
+sub _expand_join {
+ my $self = shift;
+ my $joins = shift;
+ my @table = split /\s+/, $joins;
+
+ my $caller = $self->{_caller};
+ my %tojoin = map { $table[$_] => $table[ $_ + 1 ] } 0 .. $#table - 1;
+ my @sql;
+ while (my ($t1, $t2) = each %tojoin) {
+ my ($c1, $c2) = map $self->{cmap}{$_}
+ || $caller->_croak("Don't understand table '$_' in JOIN"), ($t1, $t2);
+
+ my $join_col = sub {
+ my ($c1, $c2) = @_;
+ my $meta = $c1->meta_info('has_a');
+ my ($col) = grep $meta->{$_}->foreign_class eq $c2, keys %$meta;
+ $col;
+ };
+
+ my $col = $join_col->($c1 => $c2) || do {
+ ($c1, $c2) = ($c2, $c1);
+ ($t1, $t2) = ($t2, $t1);
+ $join_col->($c1 => $c2);
+ };
+
+ $caller->_croak("Don't know how to join $c1 to $c2") unless $col;
+ push @sql, sprintf " %s.%s = %s.%s ", $t1, $col, $t2, $c2->primary_column;
+ }
+ return join " AND ", @sql;
+}
+
+sub _do_transformation {
+ my $me = shift;
+ my $sql = $me->{_sql};
+ my @args = @{ $me->{_args} };
+ my $caller = $me->{_caller};
+
+ $sql =~ s/__TABLE\(?(.*?)\)?__/$me->_expand_table($1)/eg;
+ $sql =~ s/__JOIN\((.*?)\)__/$me->_expand_join($1)/eg;
+ $sql =~ s/__ESSENTIAL__/join ", ", $caller->_essential/eg;
+ $sql =~
+ s/__ESSENTIAL\((.*?)\)__/join ", ", map "$1.$_", $caller->_essential/eg;
+ if ($sql =~ /__IDENTIFIER__/) {
+ my $key_sql = join " AND ", map "$_=?", $caller->primary_columns;
+ $sql =~ s/__IDENTIFIER__/$key_sql/g;
+ }
+
+ $me->{_transformed_sql} = $sql;
+ $me->{_transformed_args} = [@args];
+ $me->{_transformed} = 1;
+ return 1;
+}
+
+1;
+
--- /dev/null
+use strict;
+use Test::More;
+
+BEGIN {
+ eval "use DBD::SQLite";
+ plan $@ ? (skip_all => 'needs DBD::SQLite for testing')
+ : (tests => 19);
+}
+
+my $DB = "t/testdb";
+unlink $DB if -e $DB;
+
+my @DSN = ("dbi:SQLite:dbname=$DB", '', '', { AutoCommit => 0 });
+
+package Music::DBI;
+use base qw(DBIx::Class::CDBICompat);
+use Class::DBI::Plugin::DeepAbstractSearch;
+__PACKAGE__->connection(@DSN);
+
+my $sql = <<'SQL_END';
+
+---------------------------------------
+-- Artists
+---------------------------------------
+CREATE TABLE artists (
+ id INTEGER NOT NULL PRIMARY KEY,
+ name VARCHAR(32)
+);
+
+INSERT INTO artists VALUES (1, "Willie Nelson");
+INSERT INTO artists VALUES (2, "Patsy Cline");
+
+---------------------------------------
+-- Labels
+---------------------------------------
+CREATE TABLE labels (
+ id INTEGER NOT NULL PRIMARY KEY,
+ name VARCHAR(32)
+);
+
+INSERT INTO labels VALUES (1, "Columbia");
+INSERT INTO labels VALUES (2, "Sony");
+INSERT INTO labels VALUES (3, "Supraphon");
+
+---------------------------------------
+-- CDs
+---------------------------------------
+CREATE TABLE cds (
+ id INTEGER NOT NULL PRIMARY KEY,
+ label INTEGER,
+ artist INTEGER,
+ title VARCHAR(32),
+ year INTEGER
+);
+INSERT INTO cds VALUES (1, 1, 1, "Songs", 2005);
+INSERT INTO cds VALUES (2, 2, 1, "Read Headed Stanger", 2000);
+INSERT INTO cds VALUES (3, 1, 1, "Wanted! The Outlaws", 2004);
+INSERT INTO cds VALUES (4, 2, 1, "The Very Best of Willie Nelson", 1999);
+
+INSERT INTO cds VALUES (5, 1, 2, "12 Greates Hits", 1999);
+INSERT INTO cds VALUES (6, 2, 2, "Sweet Dreams", 1995);
+INSERT INTO cds VALUES (7, 3, 2, "The Best of Patsy Cline", 1991);
+
+---------------------------------------
+-- Tracks
+---------------------------------------
+CREATE TABLE tracks (
+ id INTEGER NOT NULL PRIMARY KEY,
+ cd INTEGER,
+ position INTEGER,
+ title VARCHAR(32)
+);
+INSERT INTO tracks VALUES (1, 1, 1, "Songs: Track 1");
+INSERT INTO tracks VALUES (2, 1, 2, "Songs: Track 2");
+INSERT INTO tracks VALUES (3, 1, 3, "Songs: Track 3");
+INSERT INTO tracks VALUES (4, 1, 4, "Songs: Track 4");
+
+INSERT INTO tracks VALUES (5, 2, 1, "Read Headed Stanger: Track 1");
+INSERT INTO tracks VALUES (6, 2, 2, "Read Headed Stanger: Track 2");
+INSERT INTO tracks VALUES (7, 2, 3, "Read Headed Stanger: Track 3");
+INSERT INTO tracks VALUES (8, 2, 4, "Read Headed Stanger: Track 4");
+
+INSERT INTO tracks VALUES (9, 3, 1, "Wanted! The Outlaws: Track 1");
+INSERT INTO tracks VALUES (10, 3, 2, "Wanted! The Outlaws: Track 2");
+
+INSERT INTO tracks VALUES (11, 4, 1, "The Very Best of Willie Nelson: Track 1");
+INSERT INTO tracks VALUES (12, 4, 2, "The Very Best of Willie Nelson: Track 2");
+INSERT INTO tracks VALUES (13, 4, 3, "The Very Best of Willie Nelson: Track 3");
+INSERT INTO tracks VALUES (14, 4, 4, "The Very Best of Willie Nelson: Track 4");
+INSERT INTO tracks VALUES (15, 4, 5, "The Very Best of Willie Nelson: Track 5");
+INSERT INTO tracks VALUES (16, 4, 6, "The Very Best of Willie Nelson: Track 6");
+
+INSERT INTO tracks VALUES (17, 5, 1, "12 Greates Hits: Track 1");
+INSERT INTO tracks VALUES (18, 5, 2, "12 Greates Hits: Track 2");
+INSERT INTO tracks VALUES (19, 5, 3, "12 Greates Hits: Track 3");
+INSERT INTO tracks VALUES (20, 5, 4, "12 Greates Hits: Track 4");
+
+INSERT INTO tracks VALUES (21, 6, 1, "Sweet Dreams: Track 1");
+INSERT INTO tracks VALUES (22, 6, 2, "Sweet Dreams: Track 2");
+INSERT INTO tracks VALUES (23, 6, 3, "Sweet Dreams: Track 3");
+INSERT INTO tracks VALUES (24, 6, 4, "Sweet Dreams: Track 4");
+
+INSERT INTO tracks VALUES (25, 7, 1, "The Best of Patsy Cline: Track 1");
+INSERT INTO tracks VALUES (26, 7, 2, "The Best of Patsy Cline: Track 2");
+
+SQL_END
+
+foreach my $statement (split /;/, $sql) {
+ $statement =~ s/^\s*//gs;
+ $statement =~ s/\s*$//gs;
+ next unless $statement;
+ Music::DBI->db_Main->do($statement) or die "$@ $!";
+}
+
+Music::DBI->dbi_commit;
+
+package Music::Artist;
+use base 'Music::DBI';
+Music::Artist->table('artists');
+Music::Artist->columns(All => qw/id name/);
+
+
+package Music::Label;
+use base 'Music::DBI';
+Music::Label->table('labels');
+Music::Label->columns(All => qw/id name/);
+
+package Music::CD;
+use base 'Music::DBI';
+Music::CD->table('cds');
+Music::CD->columns(All => qw/id label artist title year/);
+
+
+package Music::Track;
+use base 'Music::DBI';
+Music::Track->table('tracks');
+Music::Track->columns(All => qw/id cd position title/);
+
+Music::Artist->has_many(cds => 'Music::CD');
+Music::Label->has_many(cds => 'Music::CD');
+Music::CD->has_many(tracks => 'Music::Track');
+Music::CD->has_a(artist => 'Music::Artist');
+Music::CD->has_a(label => 'Music::Label');
+Music::Track->has_a(cd => 'Music::CD');
+
+package main;
+
+{
+ my $where = { };
+ my $attr;
+ my @artists = Music::Artist->deep_search_where($where, $attr);
+ is_deeply [ sort @artists ], [ 1, 2 ], "all without order";
+}
+
+{
+ my $where = { };
+ my $attr = { order_by => 'name' };
+ my @artists = Music::Artist->deep_search_where($where, $attr);
+ is_deeply \@artists, [ 2, 1 ], "all with ORDER BY name";
+}
+
+{
+ my $where = { };
+ my $attr = { order_by => 'name DESC' };
+ my @artists = Music::Artist->deep_search_where($where, $attr);
+ is_deeply \@artists, [ 1, 2 ], "all with ORDER BY name DESC";
+}
+
+{
+ my $where = { name => { -like => 'Patsy Cline' }, };
+ my $attr;
+ my @artists = Music::Artist->deep_search_where($where, $attr);
+ is_deeply \@artists, [ 2 ], "simple search";
+}
+
+{
+ my $where = { 'artist.name' => 'Patsy Cline' };
+ my $attr = { } ;
+ my @cds = Music::CD->deep_search_where($where, $attr);
+ is_deeply [ sort @cds ], [ 5, 6, 7 ], "Patsy's CDs";
+}
+
+{
+ my $where = { 'artist.name' => 'Patsy Cline' };
+ my $attr = { order_by => "title" } ;
+ my @cds = Music::CD->deep_search_where($where, $attr);
+ is_deeply [ @cds ], [ 5, 6, 7 ], "Patsy's CDs by title";
+
+ my $count = Music::CD->count_deep_search_where($where);
+ is_deeply $count, 3, "count Patsy's CDs by title";
+}
+
+{
+ my $where = { 'cd.title' => { -like => 'S%' }, };
+ my $attr = { order_by => "cd.title, title" } ;
+ my @cds = Music::Track->deep_search_where($where, $attr);
+ is_deeply [ @cds ], [1, 2, 3, 4, 21, 22, 23, 24 ], "Tracks from CDs whose name starts with 'S'";
+}
+
+{
+ my $where = {
+ 'cd.artist.name' => { -like => 'W%' },
+ 'cd.year' => { '>' => 2000 },
+ 'position' => { '<' => 3 }
+ };
+ my $attr = { order_by => "cd.title DESC, title" } ;
+ my @cds = Music::Track->deep_search_where($where, $attr);
+ is_deeply [ @cds ], [ 9, 10, 1, 2 ], "First 2 tracks from W's albums after 2000 ";
+
+ my $count = Music::Track->count_deep_search_where($where);
+ is_deeply $count, 4, "Count First 2 tracks from W's albums after 2000";
+}
+
+{
+ my $where = {
+ 'cd.artist.name' => { -like => 'W%' },
+ 'cd.year' => { '>' => 2000 },
+ 'position' => { '<' => 3 }
+ };
+ my $attr = { order_by => [ 'cd.title DESC' , 'title' ] } ;
+ my @cds = Music::Track->deep_search_where($where, $attr);
+ is_deeply [ @cds ], [ 9, 10, 1, 2 ], "First 2 tracks from W's albums after 2000, array ref order ";
+
+ my $count = Music::Track->count_deep_search_where($where);
+ is_deeply $count, 4, "Count First 2 tracks from W's albums after 2000, array ref order";
+}
+
+{
+ my $where = { 'cd.title' => [ -and => { -like => '%o%' }, { -like => '%W%' } ] };
+ my $attr = { order_by => [ 'cd.id' ] } ;
+
+ my @tracks = Music::Track->deep_search_where($where, $attr);
+ is_deeply [ @tracks ], [ 3, 3, 4, 4, 4, 4, 4, 4 ], "Tracks from CD titles containing 'o' AND 'W'";
+}
+
+{
+ my $where = { 'cd.year' => [ 1995, 1999 ] };
+ my $attr = { order_by => [ 'cd.id' ] } ;
+
+ my @tracks = Music::Track->deep_search_where($where, $attr);
+ is_deeply [ @tracks ], [ 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6 ],
+ "Tracks from CDs from 1995, 1999";
+}
+
+{
+ my $where = { 'cd.year' => { -in => [ 1995, 1999 ] } };
+ my $attr = { order_by => [ 'cd.id' ] } ;
+
+ my @tracks = Music::Track->deep_search_where($where, $attr);
+ is_deeply [ @tracks ], [ 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6 ],
+ "Tracks from CDs in 1995, 1999";
+}
+
+{
+ my $where = { -and => [ 'cd.year' => [ 1995, 1999 ], position => { '<=', 2 } ] };
+ my $attr = { order_by => [ 'cd.id' ] } ;
+
+ my @tracks = Music::Track->deep_search_where($where, $attr);
+ is_deeply [ @tracks ], [ 4, 4, 5, 5, 6, 6 ],
+ "First 2 tracks Tracks from CDs from 1995, 1999";
+}
+
+{
+ my $where = { -and => [ 'cd.year' => { -in => [ 1995, 1999 ] }, position => { '<=', 2 } ] };
+ my $attr = { order_by => [ 'cd.id' ] } ;
+
+ my @tracks = Music::Track->deep_search_where($where, $attr);
+ is_deeply [ @tracks ], [ 4, 4, 5, 5, 6, 6 ],
+ "First 2 tracks Tracks from CDs in 1995, 1999";
+}
+
+{
+ my $where = { 'label.name' => { -in => [ 'Sony', 'Supraphon', 'Bogus' ] } };
+ my $attr = { order_by => [ 'id' ] } ;
+
+ my @cds = Music::CD->deep_search_where($where, $attr);
+ is_deeply [ @cds ], [ 2, 4, 6, 7 ],
+ "CDs from Sony or Supraphon";
+}
+
+{
+ my $where = { 'label.name' => [ 'Sony', 'Supraphon', 'Bogus' ] };
+ my $attr = { order_by => [ 'id' ] } ;
+
+ my @cds = Music::CD->deep_search_where($where, $attr);
+ is_deeply [ @cds ], [ 2, 4, 6, 7 ],
+ "CDs from Sony or Supraphon";
+}
+
+END { unlink $DB if -e $DB }
+
projects / dbsrgits/DBIx-Class.git / commitdiff