Add support for mapping char[N] to CHAR/VARCHAR database types

Also improve query support for arrays (decaying).

1 files changed, 607 insertions, 0 deletions

diff --git a/common/query/basics/driver.cxx b/common/query/basics/driver.cxx
new file mode 100644
index 0000000..686b4b6
--- /dev/null
+++ b/common/query/basics/driver.cxx
@@ -0,0 +1,607 @@
+// file      : common/query/basics/driver.cxx
+// copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+// Test basic query support.
+//
+
+#include <memory>   // std::auto_ptr
+#include <cassert>
+#include <iostream>
+
+#include <odb/database.hxx>
+#include <odb/transaction.hxx>
+
+#include <common/config.hxx>  // DATABASE_XXX
+#include <common/common.hxx>
+
+#include "test.hxx"
+#include "test-odb.hxx"
+
+using namespace std;
+using namespace odb::core;
+
+void
+print (result<person>& r)
+{
+  for (result<person>::iterator i (r.begin ()); i != r.end (); ++i)
+  {
+    auto_ptr<person> o (i.load ());
+    cout << *o << endl;
+  }
+  cout << endl;
+}
+
+const char* names[] = { "John", "Jane", "Joe" };
+const char** names_end = names + sizeof (names)/sizeof (names[0]);
+
+const char* key_data[] = { "\x23\x03\x15", "\x13\x13\x54", "\x08\x62\x35" };
+
+int
+main (int argc, char* argv[])
+{
+  buffer
+    key1 (key_data[0], key_data[0] + 3),
+    key2 (key_data[1], key_data[1] + 3),
+    key3 (key_data[2], key_data[2] + 3);
+
+  try
+  {
+    auto_ptr<database> db (create_database (argc, argv));
+
+    typedef odb::query<person> query;
+    typedef odb::result<person> result;
+
+    //
+    //
+    {
+      person p1 (1, "John", "Doe", 30, true, key1);
+      person p2 (2, "Jane", "Doe", 29, true, key2);
+      person p3 (3, "Joe", "Dirt", 31, false, key3);
+      p3.middle_name_.reset (new string ("Squeaky"));
+      person p4 (4, "Johansen", "Johansen", 32, false);
+      p4.middle_name_.reset (new string ("J"));
+
+      transaction t (db->begin ());
+      db->persist (p1);
+      db->persist (p2);
+      db->persist (p3);
+      db->persist (p4);
+      t.commit ();
+    }
+
+    // Compilation tests.
+    //
+    if (false)
+    {
+      string name;
+      unsigned short age;
+
+      db->query<person> ("age = " + query::_ref (age));
+      db->query<person> ("age = " + query::_val (age));
+
+      query age_q (query::_ref (age) + " = age");
+      query name_q ("first = " + query::_val (name));
+      query q (age_q + "AND" + name_q);
+
+      db->query<person> (q);
+      db->query<person> (age_q + "OR" +
+                         name_q + "OR" +
+                         "age < " + query::_ref (age));
+
+      query q1 (query::_val (name));
+      q1 += " = first";
+    }
+
+    // Select-all query.
+    //
+    cout << "test 001" << endl;
+    {
+      transaction t (db->begin ());
+      result r (db->query<person> ());
+
+      for (result::iterator i (r.begin ()); i != r.end (); ++i)
+      {
+        person p;
+        i.load (p);
+        cout << p << endl;
+      }
+
+      t.commit ();
+    }
+
+    // Select-all query with order by.
+    //
+    cout << "test 002" << endl;
+    {
+      transaction t (db->begin ());
+      result r (db->query<person> ("ORDER BY" + query::age));
+
+      for (result::iterator i (r.begin ()); i != r.end (); ++i)
+      {
+        person& p (*i);
+
+        cout << p.first_name_;
+
+        if (i->middle_name_.get () != 0)
+          cout << ' '  << *i->middle_name_;
+
+        cout << ' ' << i->last_name_ << ' ' << i->age_ <<
+          (i->married_ ? " married" : " single") << endl;
+      }
+      cout << endl;
+
+      t.commit ();
+    }
+
+    // String query.
+    //
+    cout << "test 003" << endl;
+    {
+      transaction t (db->begin ());
+#ifndef DATABASE_ORACLE
+      result r (db->query<person> ("age >= 30 AND last = 'Doe'"));
+#else
+      result r (db->query<person> ("\"age\" >= 30 AND \"last\" = 'Doe'"));
+#endif
+      print (r);
+      t.commit ();
+    }
+
+    // Value binding.
+    //
+    cout << "test 004" << endl;
+    {
+      transaction t (db->begin ());
+
+      const char* name = "Doe";
+
+#ifndef DATABASE_ORACLE
+      result r (
+        db->query<person> (
+          "age >= " + query::_ref (30) + "AND" +
+          "last = " + query::_val (name)));
+#else
+      result r (
+        db->query<person> (
+          "\"age\" >= " + query::_ref (30) + "AND" +
+          "\"last\" = " + query::_val (name)));
+#endif
+
+      print (r);
+      t.commit ();
+    }
+
+    // Reference binding.
+    //
+    cout << "test 005" << endl;
+    {
+      transaction t (db->begin ());
+
+      string name;
+      unsigned short age;
+
+#ifndef DATABASE_ORACLE
+      query q ("age >= " + query::_ref (age) + "AND" +
+               "last = " + query::_ref (name));
+#else
+      query q ("\"age\" >= " + query::_ref (age) + "AND" +
+               "\"last\" = " + query::_ref (name));
+#endif
+
+      name = "Doe";
+      age = 30;
+      result r (db->query<person> (q));
+      print (r);
+
+      name = "Dirt";
+      age = 31;
+      r = db->query<person> (q);
+      print (r);
+
+      t.commit ();
+    }
+
+    //
+    // Language-embedded queries.
+    //
+
+    // Compilation tests.
+    //
+    if (false)
+    {
+      string name;
+      unsigned short age;
+
+      // Column operators.
+      //
+      query q1 (query::married);
+      db->query<person> (query::married);
+      db->query<person> (query::married == true);
+
+      //db->query<person> (query::age);
+
+      db->query<person> (query::age == 30);
+      db->query<person> (query::age == age);
+      db->query<person> (query::age == query::_val (30));
+      db->query<person> (query::age == query::_val (age));
+      db->query<person> (query::age == query::_ref (age));
+      //db->query<person> (query::age == "123");
+      //db->query<person> ("123" == query::age);
+      //db->query<person> (query::age == query::_val ("123"));
+      //db->query<person> (query::age == query::_ref (name));
+      db->query<person> (query::last_name == "Doe");
+      db->query<person> (query::last_name == name);
+      db->query<person> (query::last_name == query::_val ("Doe"));
+      db->query<person> (query::last_name == query::_val (name));
+      db->query<person> (query::last_name == query::_ref (name));
+      //db->query<person> (query::last_name == 30);
+      //db->query<person> (query::last_name == query::_val (30));
+      //db->query<person> (query::last_name == query::_ref (age));
+
+      db->query<person> (query::last_name.is_null ());
+      db->query<person> (query::last_name.is_not_null ());
+
+      db->query<person> (query::first_name == query::last_name);
+
+      db->query<person> (query::first_name.in ("John", "Jane"));
+      db->query<person> (query::first_name.in_range (names, names_end));
+
+      // Query operators.
+      //
+      db->query<person> (query::age == 30 && query::last_name == "Doe");
+      db->query<person> (query::age == 30 || query::last_name == "Doe");
+      db->query<person> (!(query::age == 30 || query::last_name == "Doe"));
+      db->query<person> ((query::last_name == "Doe") + "ORDER BY age");
+    }
+
+    // Test is_null/is_not_null.
+    //
+    cout << "test 006" << endl;
+    {
+      transaction t (db->begin ());
+      result r (db->query<person> (query::middle_name.is_null ()));
+      print (r);
+      r = db->query<person> (query::middle_name.is_not_null ());
+      print (r);
+      t.commit ();
+    }
+
+    // Test boolean columns.
+    //
+    cout << "test 007" << endl;
+    {
+      transaction t (db->begin ());
+      result r (db->query<person> (query::married));
+      print (r);
+      r = db->query<person> (!query::married);
+      print (r);
+      t.commit ();
+    }
+
+    // Test implicit by-value, explicit by-value, and by-reference.
+    //
+    cout << "test 008" << endl;
+    {
+      string name ("Dirt");
+
+      transaction t (db->begin ());
+      result r (db->query<person> (query::last_name == "Doe"));
+      print (r);
+      r = db->query<person> (query::last_name == query::_val (name));
+      print (r);
+      query q (query::last_name == query::_ref (name));
+      name = "Doe";
+      r = db->query<person> (q);
+      print (r);
+      t.commit ();
+    }
+
+    // Test column operators (==, !=, <, >, <=, >=).
+    //
+    cout << "test 009" << endl;
+    {
+      transaction t (db->begin ());
+
+      // ==
+      //
+      result r (db->query<person> (query::last_name == "Doe"));
+      print (r);
+
+      // !=
+      //
+      r = db->query<person> (query::last_name != "Doe");
+      print (r);
+
+      // <
+      //
+      r = db->query<person> (query::age < 31);
+      print (r);
+
+      // >
+      //
+      r = db->query<person> (query::age > 30);
+      print (r);
+
+      // <=
+      //
+      r = db->query<person> (query::age <= 30);
+      print (r);
+
+      // >=
+      //
+      r = db->query<person> (query::age >= 31);
+      print (r);
+
+      t.commit ();
+    }
+
+    // Test query operators (&&, ||, (), !, +).
+    //
+    cout << "test 010" << endl;
+    {
+      transaction t (db->begin ());
+
+      // &&
+      //
+      result r (db->query<person> (
+                  query::last_name == "Doe" && query::age == 29));
+      print (r);
+
+      // ||
+      //
+      r = db->query<person> (query::last_name == "Doe" || query::age == 31);
+      print (r);
+
+      // ()
+      //
+      r = db->query<person> (
+        (query::last_name != "Doe" || query::age == 29) && query::married);
+      print (r);
+
+      // !=
+      //
+      r = db->query<person> (!(query::last_name == "Doe"));
+      print (r);
+
+      // +
+      //
+      r = db->query<person> ((query::last_name == "Doe") +
+                             "ORDER BY" + query::age);
+      print (r);
+
+      t.commit ();
+    }
+
+    // Test in/in_range.
+    //
+    cout << "test 011" << endl;
+    {
+      transaction t (db->begin ());
+
+      result r (db->query<person> (query::first_name.in ("John", "Jane")));
+      print (r);
+
+      r = db->query<person> (query::first_name.in_range (names, names_end));
+      print (r);
+
+      t.commit ();
+    }
+
+    // Test column-to-column comparison.
+    //
+    cout << "test 012" << endl;
+    {
+      transaction t (db->begin ());
+      result r (db->query<person> (query::first_name == query::last_name));
+      print (r);
+      t.commit ();
+    }
+
+    // Test value_traits::value_type != value_traits::query_type.
+    //
+    cout << "test 013" << endl;
+    {
+      transaction t (db->begin ());
+      result r (db->query<person> (query::middle_name == "Squeaky"));
+      print (r);
+      t.commit ();
+    }
+
+    // Test that loading of the same object type during iteration does
+    // not invalidate the result.
+    //
+    cout << "test 014" << endl;
+    {
+      transaction t (db->begin ());
+      result r (db->query<person> (query::last_name == "Doe"));
+
+      result::iterator i (r.begin ());
+      assert (i != r.end ());
+      ++i;
+      assert (i != r.end ());
+
+      {
+        auto_ptr<person> joe (db->load<person> (3));
+      }
+
+      {
+        person p (5, "Peter", "Peterson", 70, false, key3);
+        db->persist (p);
+        db->erase (p);
+      }
+
+      // SQL Server does not support re-loading of an object with long data
+      // from a query result.
+      //
+#ifndef DATABASE_MSSQL
+      assert (i->last_name_ == "Doe"); // Actual load.
+#endif
+
+      // Overwrite object image again.
+      //
+      auto_ptr<person> joe (db->load<person> (3));
+      person p;
+      i.load (p);
+      assert (p.last_name_ == "Doe");
+
+      t.commit ();
+    }
+
+    // Test uncached result.
+    //
+    cout << "test 015" << endl;
+    {
+      transaction t (db->begin ());
+      result r (db->query<person> (query::last_name == "Doe", false));
+      print (r);
+      t.commit ();
+    }
+
+    // Test BLOB column operations.
+    //
+    cout << "test 016" << endl;
+    {
+      transaction t (db->begin ());
+
+      result r;
+      result::iterator i;
+
+      // Oracle does not support LOB comparisons.
+      //
+#ifndef DATABASE_ORACLE
+      // ==
+      //
+      r = db->query<person> (query::public_key == key2);
+
+      i = r.begin ();
+      assert (i != r.end ());
+
+      assert (*i->public_key_ == key2);
+      assert (++i == r.end ());
+#endif
+
+      // is_null
+      //
+      r = db->query<person> (query::public_key.is_null ());
+
+      i = r.begin ();
+      assert (i != r.end ());
+
+      assert (i->first_name_ == "Johansen" && i->last_name_ == "Johansen");
+      assert (++i == r.end ());
+
+      // is_not_null
+      //
+      r = db->query<person> (query::public_key.is_not_null ());
+
+      i = r.begin ();
+      assert (i != r.end ());
+
+      assert (i->first_name_ == "John" && i->last_name_ == "Doe");
+      assert (++i != r.end ());
+
+      assert (i->first_name_ == "Jane" && i->last_name_ == "Doe");
+      assert (++i != r.end ());
+
+      assert (i->first_name_ == "Joe" && i->last_name_ == "Dirt");
+      assert (++i == r.end ());
+
+      t.commit ();
+    }
+
+    // Test iterator::id().
+    //
+    cout << "test 017" << endl;
+    {
+      transaction t (db->begin ());
+      result r (db->query<person> (query::last_name == "Dirt"));
+
+      result::iterator i (r.begin ());
+      assert (i != r.end ());
+      assert (i.id () == 3);
+
+      t.commit ();
+    }
+
+    // Test empty result set.
+    //
+    cout << "test 018" << endl;
+    {
+      {
+        transaction t (db->begin ());
+        result r (db->query<person> (query::last_name == "None"));
+        assert (r.empty ());
+        t.commit ();
+      }
+
+      {
+        transaction t (db->begin ());
+        result r (db->query<person> (query::last_name == "None"));
+        assert (r.begin () == r.end ());
+        t.commit ();
+      }
+    }
+
+    // Test size() validity at the beginning/middle/end of result set.
+    //
+    cout << "test 019" << endl;
+#if !defined(DATABASE_SQLITE) && \
+    !defined(DATABASE_ORACLE) && \
+    !defined(DATABASE_MSSQL)
+    {
+      {
+        transaction t (db->begin ());
+        result r (db->query<person> ());
+        assert (r.size () == 4);
+        result::iterator i (r.begin ());
+        assert (r.size () == 4);
+        ++i;
+        ++i;
+        ++i;
+        assert (r.size () == 4);
+        ++i;
+        assert (r.size () == 4);
+      }
+
+      {
+        transaction t (db->begin ());
+        result r (db->query<person> (false));
+        result::iterator i (r.begin ());
+        ++i;
+        ++i;
+        r.cache (); // Cache in the middle.
+        assert (r.size () == 4);
+        ++i;
+        assert (r.size () == 4);
+        ++i;
+        assert (r.size () == 4);
+      }
+
+      {
+        transaction t (db->begin ());
+        result r (db->query<person> (false));
+        result::iterator i (r.begin ());
+        ++i;
+        ++i;
+        ++i;
+        r.cache (); // Cache at the end.
+        assert (r.size () == 4);
+      }
+
+      {
+        transaction t (db->begin ());
+        result r (db->query<person> (query::last_name == "None"));
+        assert (r.size () == 0);
+        for (result::iterator i (r.begin ()); i != r.end (); ++i) ;
+        assert (r.size () == 0);
+      }
+    }
+#endif
+  }
+  catch (const odb::exception& e)
+  {
+    cerr << e.what () << endl;
+    return 1;
+  }
+}