bang overrides example name change

[dbsrgits/SQL-Abstract.git] / examples / bangdbic.pl

diff --git a/examples/bangdbic.pl b/examples/bangdbic.pl
new file mode 100644 (file)
index 0000000..72815d1
--- /dev/null
+++ b/examples/bangdbic.pl
@@ -0,0 +1,56 @@
+use strict;
+use warnings;
+{
+  package MySchema;
+  use Object::Tap;
+  use base qw(DBIx::Class::Schema);
+  use DBIx::Class::ResultSource::Table;
+  __PACKAGE__->register_source(
+    Foo => DBIx::Class::ResultSource::Table->new({ name => 'foo' })
+             ->$_tap(add_columns => qw(x y z))
+  );
+  __PACKAGE__->register_source(
+    Bar => DBIx::Class::ResultSource::Table->new({ name => 'bar' })
+             ->$_tap(add_columns => qw(a b c))
+  );
+}
+
+my $s = MySchema->connect('dbi:SQLite:dbname=:memory:');
+
+my $rs = $s->resultset('Foo')->search({ z => 1 });
+
+warn ${$rs->as_query}->[0]."\n";
+
+$s->storage->ensure_connected;
+
+$s->storage
+  ->sql_maker->plugin('+ExtraClauses')->plugin('+BangOverrides');
+
+my $rs2 = $s->resultset('Foo')->search({
+  -op => [ '=', { -ident => 'outer.y' }, { -ident => 'me.x' } ]
+});
+
+warn ${$rs2->as_query}->[0]."\n";
+
+my $rs3 = $rs2->search({}, {
+  '!from' => sub { my ($sqla, $from) = @_;
+    my $base = $sqla->expand_expr({ -old_from => $from });
+    return [ $base, -join => [ 'wub', on => [ 'me.z' => 'wub.z' ] ] ];
+  }
+});
+
+warn ${$rs3->as_query}->[0]."\n";
+
+my $rs4 = $rs3->search({}, {
+  '!with' => [ [ qw(wub x y z) ], $s->resultset('Bar')->as_query ],
+});
+
+warn ${$rs4->as_query}->[0]."\n";
+
+my $rs5 = $rs->search({}, { select => [ { -coalesce => [ { -ident => 'x' }, { -value => 7 } ] } ] });
+
+warn ${$rs5->as_query}->[0]."\n";
+
+my $rs6 = $rs->search({}, { '!select' => [ { -coalesce => [ { -ident => 'x' }, { -value => 7 } ] } ] });
+
+warn ${$rs6->as_query}->[0]."\n";