take more care in mangling SELECT when applying subquery limits

[dbsrgits/DBIx-Class.git] / t / sqlmaker / limit_dialects / rownum.t

diff --git a/t/sqlmaker/limit_dialects/rownum.t b/t/sqlmaker/limit_dialects/rownum.t
index f263166..d9bc1a4 100644 (file)
--- a/t/sqlmaker/limit_dialects/rownum.t
+++ b/t/sqlmaker/limit_dialects/rownum.t
@@ -125,5 +125,29 @@ is_same_sql_bind(
   );
 }
 
+{
+my $subq = $s->resultset('Owners')->search({
+   'books.owner' => { -ident => 'owner.id' },
+}, { alias => 'owner', select => ['id'] } )->count_rs;
+
+my $rs_selectas_rel = $s->resultset('BooksInLibrary')->search( { -exists => $subq->as_query }, { select => ['id','owner'], rows => 1 } );
+
+is_same_sql_bind(
+  $rs_selectas_rel->as_query,
+  '(  SELECT id, owner FROM (
+     SELECT me.id, me.owner
+     FROM books me
+     WHERE ( ( (EXISTS (SELECT COUNT( * ) FROM owners owner WHERE ( books.owner = owner.id ))) AND source = ? ) )
+   ) me WHERE ROWNUM <= ?
+ )',
+  [
+    [ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' } => 'Library' ],
+    [ $TOTAL => 1 ],
+  ],
+  'Pagination with sub-query in WHERE works'
+);
+
+}
+
 
 done_testing;