From 0d49ea1fe08cf1eab41a00149393a291c65a59d7 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Thu, 25 Jan 2024 20:32:06 +0300
Subject: Turn odb-tests repository into package for muti-package repository

---
 odb-tests/common/erase-query/driver.cxx | 181 ++++++++++++++++++++++++++++++++
 1 file changed, 181 insertions(+)
 create mode 100644 odb-tests/common/erase-query/driver.cxx

(limited to 'odb-tests/common/erase-query/driver.cxx')

diff --git a/odb-tests/common/erase-query/driver.cxx b/odb-tests/common/erase-query/driver.cxx
new file mode 100644
index 0000000..6c11957
--- /dev/null
+++ b/odb-tests/common/erase-query/driver.cxx
@@ -0,0 +1,181 @@
+// file      : common/erase-query/driver.cxx
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+// Test query-based erase.
+//
+
+#include <memory>   // std::unique_ptr
+#include <iostream>
+
+#include <odb/database.hxx>
+#include <odb/transaction.hxx>
+
+#include <libcommon/common.hxx>
+
+#include "test.hxx"
+#include "test-odb.hxx"
+
+#undef NDEBUG
+#include <cassert>
+
+using namespace std;
+using namespace odb::core;
+
+void
+persist (database& db)
+{
+  object o1 (1);
+  object o2 (2);
+  object o3 (3);
+  object o4 (4);
+
+  transaction t (db.begin ());
+  db.persist (o1);
+  db.persist (o2);
+  db.persist (o3);
+  db.persist (o4);
+  t.commit ();
+}
+
+int
+main (int argc, char* argv[])
+{
+  try
+  {
+    typedef odb::query<object> query;
+
+    unique_ptr<database> db (create_database (argc, argv));
+
+    // erase_query()
+    //
+    persist (*db);
+
+    {
+      transaction t (db->begin ());
+      assert (db->erase_query<object> () == 4);
+      t.commit ();
+    }
+
+    // erase_query(const char*)
+    //
+    persist (*db);
+
+    {
+      transaction t (db->begin ());
+
+      if (db->id () != odb::id_oracle)
+        assert (db->erase_query<object> (
+                  "erase_query_object.id < 3") == 2);
+      else
+        assert (db->erase_query<object> (
+                  "\"erase_query_object\".\"id\" < 3") == 2);
+
+      db->erase_query<object> ();
+      t.commit ();
+    }
+
+    // erase_query(query)
+    //
+    persist (*db);
+
+    {
+      transaction t (db->begin ());
+      assert (db->erase_query<object> (query::id == 2 || query::id == 4) == 2);
+      db->erase_query<object> ();
+      t.commit ();
+    }
+
+    // Test predicates involving object pointers (DELETE JOIN).
+    //
+    /*
+    {
+      object o11 (1);
+      object o12 (2);
+      object o13 (3);
+      object2 o2;
+
+      o11.o2 = &o2;
+      o2.num = 123;
+
+      o12.o1 = &o13;
+      o13.num = 123;
+
+      transaction t (db->begin ());
+      db->persist (o2);
+      db->persist (o13);
+      db->persist (o12);
+      db->persist (o11);
+      t.commit ();
+    }
+
+    {
+      transaction t (db->begin ());
+      assert (db->erase_query<object> (query::o1::num == 123) == 1);
+      assert (db->erase_query<object> (query::o2::num == 123) == 1);
+      db->erase_query<object> ();
+      t.commit ();
+    }
+    */
+
+    // For now we can only do column-based tests, like is_null().
+    //
+    {
+      object o11 (1);
+      object o12 (2);
+      object o13 (3);
+      object2 o2;
+
+      o12.o2 = &o2;
+
+      transaction t (db->begin ());
+      db->persist (o2);
+      db->persist (o13);
+      db->persist (o12);
+      db->persist (o11);
+      t.commit ();
+    }
+
+    {
+      transaction t (db->begin ());
+      assert (db->erase_query<object> (query::o2.is_null ()) == 2);
+      db->erase_query<object> ();
+      t.commit ();
+    }
+
+    // Make sure container data is deleted.
+    //
+    {
+      object o (1);
+      o.v.push_back (1);
+      o.v.push_back (2);
+      o.v.push_back (3);
+
+      transaction t (db->begin ());
+      db->persist (o);
+      t.commit ();
+    }
+
+    {
+      transaction t (db->begin ());
+      assert (db->erase_query<object> () == 1);
+      t.commit ();
+    }
+
+    {
+      transaction t (db->begin ());
+
+      if (db->id () != odb::id_oracle)
+        assert (db->execute ("SELECT * FROM erase_query_object_v "
+                             "WHERE object_id = 1") == 0);
+      else
+        assert (db->execute ("SELECT * FROM \"erase_query_object_v\" "
+                             "WHERE \"object_id\" = 1") == 0);
+      t.commit ();
+    }
+  }
+  catch (const odb::exception& e)
+  {
+    cerr << e.what () << endl;
+    return 1;
+  }
+}
-- 
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