Add test for TABLE OF %ROWTYPE parameter in package

Reproduces the issue reported in #200 where ensure_tmp_tables_created
generates invalid DDL containing %ROWTYPE literally.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: yahonda

spec/plsql/procedure_spec.rb

@@ -1508,7 +1508,6 @@ def new_candidate(status)
       before(:all) do
         # get actual database_version
         plsql.connect! CONNECTION_PARAMS
-        skip "Skip if the actual database version is 18c or higher" if (plsql.connection.database_version <=> [18, 0, 0, 0]) >= 0
       end
 
       before do
@@ -2385,3 +2384,37 @@ def new_candidate(status)
     expect { plsql.test_func(p_STRING: "xxx") }.not_to raise_error
   end
 end
+
+describe "Function with TABLE OF %ROWTYPE parameter defined in package" do
+  before(:all) do
+    plsql.connect! CONNECTION_PARAMS
+    plsql.execute "DROP PACKAGE test_rowtype_pkg" rescue nil
+    plsql.execute "DROP TABLE test_rowtype_tbl" rescue nil
+    plsql.execute "CREATE TABLE test_rowtype_tbl (id NUMBER, name VARCHAR2(50))"
+    plsql.execute <<-SQL
+      CREATE OR REPLACE PACKAGE test_rowtype_pkg IS
+        TYPE t_tab IS TABLE OF test_rowtype_tbl%ROWTYPE;
+        FUNCTION test_fn(p_tab IN t_tab) RETURN NUMBER;
+      END;
+    SQL
+    plsql.execute <<-SQL
+      CREATE OR REPLACE PACKAGE BODY test_rowtype_pkg IS
+        FUNCTION test_fn(p_tab IN t_tab) RETURN NUMBER IS
+        BEGIN
+          RETURN p_tab.COUNT;
+        END;
+      END;
+    SQL
+  end
+
+  after(:all) do
+    plsql.execute "DROP PACKAGE test_rowtype_pkg" rescue nil
+    plsql.execute "DROP TABLE test_rowtype_tbl" rescue nil
+    plsql.logoff
+  end
+
+  it "should execute function with TABLE OF %ROWTYPE parameter" do
+    result = plsql.test_rowtype_pkg.test_fn([{id: 1, name: "test"}])
+    expect(result).to eq(1)
+  end
+end