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

Also improve query support for arrays (decaying).

1 files changed, 170 insertions, 0 deletions

diff --git a/common/query/array/driver.cxx b/common/query/array/driver.cxx
new file mode 100644
index 0000000..2bda0a9
--- /dev/null
+++ b/common/query/array/driver.cxx
@@ -0,0 +1,170 @@
+// file      : common/query/array/driver.cxx
+// copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+// Test query support for C arrays.
+//
+
+#include <string>
+#include <memory>   // std::auto_ptr
+#include <cassert>
+#include <iostream>
+
+#include <odb/database.hxx>
+#include <odb/transaction.hxx>
+
+#include <common/config.hxx> // DATABASE_*
+#include <common/common.hxx>
+
+#include "test.hxx"
+#include "test-odb.hxx"
+
+using namespace std;
+using namespace odb::core;
+
+#if defined(DATABASE_MYSQL)
+const odb::mysql::database_type_id bt = odb::mysql::id_blob;
+const odb::mysql::database_type_id st = odb::mysql::id_string;
+#elif defined(DATABASE_SQLITE)
+const odb::sqlite::database_type_id bt = odb::sqlite::id_blob;
+const odb::sqlite::database_type_id st = odb::sqlite::id_text;
+#elif defined(DATABASE_PGSQL)
+const odb::pgsql::database_type_id bt = odb::pgsql::id_bytea;
+const odb::pgsql::database_type_id st = odb::pgsql::id_string;
+#elif defined(DATABASE_ORACLE)
+const odb::oracle::database_type_id bt = odb::oracle::id_raw;
+const odb::oracle::database_type_id st = odb::oracle::id_string;
+#elif defined(DATABASE_MSSQL)
+const odb::mssql::database_type_id bt = odb::mssql::id_binary;
+const odb::mssql::database_type_id st = odb::mssql::id_string;
+#else
+#  error unknown database
+#endif
+
+int
+main (int argc, char* argv[])
+{
+  try
+  {
+    auto_ptr<database> db (create_database (argc, argv));
+
+    typedef odb::query<object> query;
+
+    const char buf[16] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6};
+
+    //
+    //
+    {
+      object o1 (1, "abc", buf);
+      object o2 (2, "bcd", buf);
+      object o3 (3, "cde", buf);
+
+      transaction t (db->begin ());
+      db->persist (o1);
+      db->persist (o2);
+      db->persist (o3);
+      t.commit ();
+    }
+
+    {
+      transaction t (db->begin ());
+
+      // string
+      //
+      assert (size (db->query<object> (query::s == "abc")) == 1);
+      assert (size (db->query<object> (query::s == query::_val ("bcd"))) == 1);
+      assert (size (db->query<object> ("s = " + query::_val ("bcd"))) == 1);
+      assert (size (db->query<object> ("s = " + query::_ref ("bcd"))) == 1);
+
+      {
+        char a[] = "bcd";
+        char* ra = a;
+        assert (size (db->query<object> (query::s == a)) == 1);
+        assert (size (db->query<object> (query::s == query::_val (a))) == 1);
+        assert (size (db->query<object> (query::s == query::_ref (ra))) == 1);
+        assert (size (db->query<object> ("s = " + query::_val (a))) == 1);
+        assert (size (db->query<object> ("s = " + query::_ref (a))) == 1);
+      }
+
+      {
+        const char a[] = "bcd";
+        const char* ra = a;
+        assert (size (db->query<object> (query::s == a)) == 1);
+        assert (size (db->query<object> (query::s == query::_val (a))) == 1);
+        assert (size (db->query<object> (query::s == query::_ref (ra))) == 1);
+        assert (size (db->query<object> ("s = " + query::_val (a))) == 1);
+        assert (size (db->query<object> ("s = " + query::_ref (a))) == 1);
+      }
+
+      {
+        const char* p = "cde";
+        assert (size (db->query<object> (query::s == p)) == 1);
+        assert (size (db->query<object> (query::s == query::_val (p))) == 1);
+        assert (size (db->query<object> (query::s == query::_ref (p))) == 1);
+        assert (size (db->query<object> ("s = " + query::_val (p))) == 1);
+        assert (size (db->query<object> ("s = " + query::_ref (p))) == 1);
+      }
+
+      {
+        char a[] = "cde";
+        char* p = a;
+        assert (size (db->query<object> (query::s == p)) == 1);
+        assert (size (db->query<object> (query::s == query::_val (p))) == 1);
+        assert (size (db->query<object> (query::s == query::_ref (p))) == 1);
+        assert (size (db->query<object> ("s = " + query::_val (p))) == 1);
+        assert (size (db->query<object> ("s = " + query::_ref (p))) == 1);
+      }
+
+      string s ("abc");
+      //assert (size (db->query<object> (query::s == s)) == 1);
+      assert (size (db->query<object> (query::s == s.c_str ())) == 1);
+      //assert (size (db->query<object> (query::s == query::_val (s))) == 1);
+      assert (size (db->query<object> (query::s == query::_val (s.c_str ()))) == 1);
+      assert (size (db->query<object> ("s = " + query::_val (s))) == 1);
+      assert (size (db->query<object> ("s = " + query::_ref (s))) == 1);
+
+      assert (size (db->query<object> (query::s == query::s1)) == 3);
+
+      // std::array
+      //
+#ifdef ODB_CXX11
+      array<char, 17> a;
+      strcpy (a.data (), "abc");
+
+      assert (size (db->query<object> (query::a == a)) == 1);
+      assert (size (db->query<object> (query::a == query::_val (a))) == 1);
+      assert (size (db->query<object> (query::a == query::_ref (a))) == 1);
+      assert (size (db->query<object> ("a = " + query::_val<st> (a))) == 1);
+      assert (size (db->query<object> ("a = " + query::_ref<st> (a))) == 1);
+#endif
+
+      // char
+      //
+      assert (size (db->query<object> (query::c == 'a')) == 1);
+
+      char c ('b');
+      assert (size (db->query<object> (query::c == query::_val (c))) == 1);
+      assert (size (db->query<object> (query::c == query::_ref (c))) == 1);
+
+      assert (size (db->query<object> ("c = " + query::_val ('c'))) == 1);
+      assert (size (db->query<object> ("c = " + query::_ref (c))) == 1);
+
+      assert (size (db->query<object> (query::c == query::c1)) == 3);
+
+      // buffer
+      //
+      assert (size (db->query<object> (query::b == buf)) == 3);
+      assert (size (db->query<object> (query::b == query::_val (buf))) == 3);
+      assert (size (db->query<object> (query::b == query::_ref (buf))) == 3);
+      assert (size (db->query<object> ("b = " + query::_val<bt> (buf))) == 3);
+      assert (size (db->query<object> ("b = " + query::_ref<bt> (buf))) == 3);
+
+      t.commit ();
+    }
+  }
+  catch (const odb::exception& e)
+  {
+    cerr << e.what () << endl;
+    return 1;
+  }
+}