From 3e35d69611534c57f06bfc7ec11f505ba97c8aab Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 30 Apr 2021 12:05:57 +0200
Subject: Add transaction::connection(database&) overload

---
 odb/oracle/database.cxx                      |  4 +++-
 odb/oracle/database.ixx                      |  2 +-
 odb/oracle/polymorphic-object-statements.txx |  2 +-
 odb/oracle/transaction-impl.hxx              |  5 -----
 odb/oracle/transaction-impl.ixx              | 14 --------------
 odb/oracle/transaction.hxx                   |  3 +++
 odb/oracle/transaction.ixx                   |  8 +++++++-
 7 files changed, 15 insertions(+), 23 deletions(-)
 delete mode 100644 odb/oracle/transaction-impl.ixx

diff --git a/odb/oracle/database.cxx b/odb/oracle/database.cxx
index a141fa0..3b720be 100644
--- a/odb/oracle/database.cxx
+++ b/odb/oracle/database.cxx
@@ -304,7 +304,9 @@ namespace odb
         cp = factory_->connect ();
 
       oracle::connection& c (
-        cp != 0 ? *cp : transaction::current ().connection ());
+        cp != 0
+        ? *cp
+        : transaction::current ().connection (const_cast<database&> (*this)));
 
       try
       {
diff --git a/odb/oracle/database.ixx b/odb/oracle/database.ixx
index c416b00..ea41aca 100644
--- a/odb/oracle/database.ixx
+++ b/odb/oracle/database.ixx
@@ -624,7 +624,7 @@ namespace odb
     {
       // Throws if not in transaction.
       //
-      oracle::connection& c (transaction::current ().connection ());
+      oracle::connection& c (transaction::current ().connection (*this));
       return c.prepare_query<T> (n, q);
     }
 
diff --git a/odb/oracle/polymorphic-object-statements.txx b/odb/oracle/polymorphic-object-statements.txx
index 96ff18a..9d190e5 100644
--- a/odb/oracle/polymorphic-object-statements.txx
+++ b/odb/oracle/polymorphic-object-statements.txx
@@ -107,7 +107,7 @@ namespace odb
                     root_type& robj,
                     const schema_version_migration* svm)
     {
-      connection_type& conn (transaction::current ().connection ());
+      connection_type& conn (transaction::current ().connection (db));
       polymorphic_derived_object_statements& sts (
         conn.statement_cache ().find_object<object_type> ());
       root_statements_type& rsts (sts.root_statements ());
diff --git a/odb/oracle/transaction-impl.hxx b/odb/oracle/transaction-impl.hxx
index 5fe3edf..0b7e9bf 100644
--- a/odb/oracle/transaction-impl.hxx
+++ b/odb/oracle/transaction-impl.hxx
@@ -39,17 +39,12 @@ namespace odb
       virtual void
       rollback ();
 
-      connection_type&
-      connection ();
-
     private:
       connection_ptr connection_;
     };
   }
 }
 
-#include <odb/oracle/transaction-impl.ixx>
-
 #include <odb/post.hxx>
 
 #endif // ODB_ORACLE_TRANSACTION_IMPL_HXX
diff --git a/odb/oracle/transaction-impl.ixx b/odb/oracle/transaction-impl.ixx
deleted file mode 100644
index 1c80b10..0000000
--- a/odb/oracle/transaction-impl.ixx
+++ /dev/null
@@ -1,14 +0,0 @@
-// file      : odb/oracle/transaction-impl.ixx
-// license   : ODB NCUEL; see accompanying LICENSE file
-
-namespace odb
-{
-  namespace oracle
-  {
-    inline transaction_impl::connection_type& transaction_impl::
-    connection ()
-    {
-      return *connection_;
-    }
-  }
-}
diff --git a/odb/oracle/transaction.hxx b/odb/oracle/transaction.hxx
index 057167c..8d06b2f 100644
--- a/odb/oracle/transaction.hxx
+++ b/odb/oracle/transaction.hxx
@@ -41,6 +41,9 @@ namespace odb
       connection_type&
       connection ();
 
+      connection_type&
+      connection (odb::database&);
+
       // Return current transaction or throw if there is no transaction
       // in effect.
       //
diff --git a/odb/oracle/transaction.ixx b/odb/oracle/transaction.ixx
index 4f09505..d75a399 100644
--- a/odb/oracle/transaction.ixx
+++ b/odb/oracle/transaction.ixx
@@ -39,7 +39,13 @@ namespace odb
     inline transaction::connection_type& transaction::
     connection ()
     {
-      return implementation ().connection ();
+      return static_cast<connection_type&> (odb::transaction::connection ());
+    }
+
+    inline transaction::connection_type& transaction::
+    connection (odb::database& db)
+    {
+      return static_cast<connection_type&> (odb::transaction::connection (db));
     }
 
     inline void transaction::
-- 
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