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-rw-r--r--common/virtual/driver.cxx25
-rw-r--r--common/virtual/test.hxx35
2 files changed, 59 insertions, 1 deletions
diff --git a/common/virtual/driver.cxx b/common/virtual/driver.cxx
index 05acfcb..1083cab 100644
--- a/common/virtual/driver.cxx
+++ b/common/virtual/driver.cxx
@@ -119,6 +119,31 @@ main (int argc, char* argv[])
t.commit ();
}
}
+
+ // Use virtual data members to implement multi-member composite object id.
+ //
+ {
+ using namespace test3;
+
+ person o;
+ o.first_ = "John";
+ o.last_ = "Doe";
+
+ name id;
+ {
+ transaction t (db->begin ());
+ id = db->persist (o);
+ t.commit ();
+ }
+
+ {
+ transaction t (db->begin ());
+ auto_ptr<person> p (db->load<person> (id));
+ t.commit ();
+
+ assert (o.first_ == p->first_ && o.last_ == p->last_);
+ }
+ }
}
catch (const odb::exception& e)
{
diff --git a/common/virtual/test.hxx b/common/virtual/test.hxx
index 3c0b0f1..a6caf2c 100644
--- a/common/virtual/test.hxx
+++ b/common/virtual/test.hxx
@@ -22,7 +22,7 @@ namespace test1
#pragma db transient
std::string s;
- #pragma db member(s_) virtual(std::string) access (s)
+ #pragma db member(s_) virtual(std::string) access(s)
bool operator== (const comp& v) const
{
@@ -136,4 +136,37 @@ namespace test2
};
}
+// Use virtual data members to implement multi-member composite object id.
+//
+#pragma db namespace table("t3_")
+namespace test3
+{
+ #pragma db value
+ struct name
+ {
+ name () {}
+ name (std::string const& f, std::string const& l)
+ : first (f), last(l) {}
+
+ std::string first;
+ std::string last;
+
+ bool operator< (const name& x) const
+ {
+ return first < x.first || (first == x.first && last < x.last);
+ }
+ };
+
+ #pragma db object transient
+ struct person
+ {
+ std::string first_;
+ std::string last_;
+
+ #pragma db member(name) virtual(name) id \
+ get(::test3::name (this.first_, this.last_)) \
+ set(this.first_ = (?).first; this.last_ = (?).last)
+ };
+}
+
#endif // TEST_HXX