Use multi-pass table creation in MySQL

This deals with table creation order and circular dependencies.
Unfortunately, there doesn't seem to be a way in MySQL to drop
a foreign key only if it exists without resorting to stored
procedures.

1 files changed, 157 insertions, 0 deletions

diff --git a/common/schema/namespace/test.hxx b/common/schema/namespace/test.hxx
new file mode 100644
index 0000000..44d5c60
--- /dev/null
+++ b/common/schema/namespace/test.hxx
@@ -0,0 +1,157 @@
+// file      : common/schema/namespace/test.hxx
+// copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef TEST_HXX
+#define TEST_HXX
+
+#include <string>
+#include <vector>
+
+#include <odb/core.hxx>
+
+// Table names.
+//
+#pragma db object table("TABLE_EXPLICIT")
+struct table_explicit
+{
+  #pragma db id
+  unsigned long id_;
+};
+
+#pragma db object
+struct table_implicit
+{
+  #pragma db id
+  unsigned long id_;
+};
+
+// Column names.
+//
+#pragma db object
+struct column
+{
+  #pragma db id
+  int m1;
+
+  #pragma db column("foo")
+  int m2;
+
+  int m_m3;
+  int _m4;
+  int m5_;
+  int m_;
+  int m__;
+};
+
+// Column types.
+//
+#pragma db object
+struct type
+{
+  #pragma db id
+  std::string id;
+
+  // Test default C++ to DB type mapping.
+  //
+  bool b;
+  char c;
+  signed char sc;
+  unsigned char uc;
+  short s;
+  unsigned short us;
+  int i;
+  unsigned int ui;
+  long l;
+  unsigned long ul;
+  long long ll;
+  unsigned long long ull;
+  float f;
+  double d;
+  std::string str;
+
+  #pragma db type("INTEGER")
+  bool m1;
+
+  #pragma db transient
+  char* m2;
+};
+
+// Test database schema (aka database namespace).
+//
+#ifdef ODB_COMPILER
+#if defined (ODB_DATABASE_MYSQL)
+//#  define DB_SCHEMA "odb_test"
+#  define DB_SCHEMA ""
+#elif defined (ODB_DATABASE_SQLITE)
+#  define DB_SCHEMA "main"
+#elif defined (ODB_DATABASE_PGSQL)
+#  define DB_SCHEMA "public"
+#elif defined (ODB_DATABASE_ORACLE)
+//#  define DB_SCHEMA "ODB_TEST"
+#  define DB_SCHEMA ""
+#elif defined(ODB_DATABASE_MSSQL)
+#  define DB_SCHEMA "dbo"
+#else
+#  error unknown database
+#endif
+#endif
+
+namespace ns {typedef int my_int;} // Original.
+
+#pragma db object table(DB_SCHEMA."object_1")
+struct object1
+{
+  #pragma db id auto
+  unsigned long id;
+
+  #pragma db column("str")
+  std::string str;
+};
+
+inline bool
+operator== (const object1& x, const object1& y)
+{
+  return x.id == y.id && x.str == y.str;
+}
+
+#pragma db namespace schema(DB_SCHEMA)
+namespace ns // Extension.
+{
+  #pragma db object
+  struct object2
+  {
+    object2 (): obj1 (0) {}
+    ~object2 () {delete obj1;}
+
+    #pragma db id
+    std::string id;
+
+    std::vector<unsigned int> nums;
+    object1* obj1;
+  };
+
+  inline bool
+  operator== (const object2& x, const object2& y)
+  {
+    return x.id == y.id && x.nums == y.nums && *x.obj1 == *y.obj1;
+  }
+}
+
+#pragma db view object(object1) object(ns::object2)
+struct object_view
+{
+  #pragma db column(ns::object2::id)
+  std::string id2;
+
+  std::string str;
+};
+
+#pragma db view table(DB_SCHEMA."schema_object_1")
+struct table_view
+{
+  #pragma db column(DB_SCHEMA."schema_object_1"."str")
+  std::string str;
+};
+
+#endif // TEST_HXX