);
{
+my $subq = $schema->resultset('Owners')->search({
+ 'count.id' => { -ident => 'owner.id' },
+ 'count.name' => 'fail', # no one would do this in real life
+}, { alias => 'owner' })->count_rs;
+
+my $rs_selectas_rel = $schema->resultset('BooksInLibrary')->search ({}, {
+ columns => [
+ { owner_name => 'owner.name' },
+ { owner_books => $subq->as_query },
+ ],
+ join => 'owner',
+ rows => 1,
+});
+
+is_same_sql_bind(
+ $rs_selectas_rel->as_query,
+ '(
+ SELECT [owner_name], [owner_books]
+ FROM (
+ SELECT [owner_name], [owner_books], ROW_NUMBER() OVER( ) AS [rno__row__index]
+ FROM (
+ SELECT [owner].[name] AS [owner_name],
+ ( SELECT COUNT( * ) FROM [owners] [owner]
+ WHERE [count].[id] = [owner].[id] and [count].[name] = ? ) AS [owner_books]
+ FROM [books] [me]
+ JOIN [owners] [owner] ON [owner].[id] = [me].[owner]
+ WHERE ( [source] = ? )
+ ) [me]
+ ) [me]
+ WHERE [rno__row__index] >= ? AND [rno__row__index] <= ?
+ )',
+ [
+ [ { dbic_colname => 'count.name' } => 'fail' ],
+ [ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' } => 'Library' ],
+ [ $OFFSET => 1 ],
+ [ $TOTAL => 1 ],
+ ],
+);
+
+}{
+my $subq = $schema->resultset('Owners')->search({
+ 'count.id' => { -ident => 'owner.id' },
+}, { alias => 'owner' })->count_rs;
+
+my $rs_selectas_rel = $schema->resultset('BooksInLibrary')->search ({}, {
+ columns => [
+ { owner_name => 'owner.name' },
+ { owner_books => $subq->as_query },
+ ],
+ join => 'owner',
+ rows => 1,
+});
+
+is_same_sql_bind(
+ $rs_selectas_rel->as_query,
+ '(
+ SELECT [owner_name], [owner_books]
+ FROM (
+ SELECT [owner_name], [owner_books], ROW_NUMBER() OVER( ) AS [rno__row__index]
+ FROM (
+ SELECT [owner].[name] AS [owner_name],
+ ( SELECT COUNT( * ) FROM [owners] [owner] WHERE [count].[id] = [owner].[id] ) AS [owner_books]
+ FROM [books] [me]
+ JOIN [owners] [owner] ON [owner].[id] = [me].[owner]
+ WHERE ( [source] = ? )
+ ) [me]
+ ) [me]
+ WHERE [rno__row__index] >= ? AND [rno__row__index] <= ?
+ )',
+ [
+ [ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' }
+ => 'Library' ],
+ [ $OFFSET => 1 ],
+ [ $TOTAL => 1 ],
+ ],
+);
+
+}
+
+{
my $rs = $schema->resultset('Artist')->search({}, {
columns => 'name',
offset => 1,