From a9515f06d9570cb22565c1c80132aabed416d3f5 Mon Sep 17 00:00:00 2001
From: Constantin Michael <constantin@codesynthesis.com>
Date: Thu, 6 Oct 2011 12:15:06 +0200
Subject: Implement oracle_version comparison operators and initializing
 constructor

---
 odb/option-types.cxx             |  7 ++----
 odb/option-types.hxx             | 49 ++++++++++++++++++++++++++++++++++++++--
 odb/relational/oracle/common.cxx |  4 +---
 3 files changed, 50 insertions(+), 10 deletions(-)

(limited to 'odb')

diff --git a/odb/option-types.cxx b/odb/option-types.cxx
index 870fb1d..d1cccb4 100644
--- a/odb/option-types.cxx
+++ b/odb/option-types.cxx
@@ -120,10 +120,7 @@ operator>> (istream& is, oracle_version& v)
       is >> minor;
 
       if (!is.fail ())
-      {
-        v.major_ = major;
-        v.minor_ = minor;
-      }
+        v = oracle_version (major, minor);
     }
     else
       is.setstate (istream::failbit);
@@ -135,5 +132,5 @@ operator>> (istream& is, oracle_version& v)
 ostream&
 operator<< (ostream& os, oracle_version v)
 {
-  return os << v.major_ << '.' << v.minor_;
+  return os << v.ver_major () << '.' << v.ver_minor ();
 }
diff --git a/odb/option-types.hxx b/odb/option-types.hxx
index 642c149..9d1d98c 100644
--- a/odb/option-types.hxx
+++ b/odb/option-types.hxx
@@ -69,6 +69,12 @@ operator<< (std::ostream&, schema_format);
 //
 struct oracle_version
 {
+  oracle_version () {}
+  oracle_version (unsigned short major, unsigned short minor)
+      : major_ (major), minor_ (minor)
+  {
+  }
+
   unsigned short
   ver_major () const
   {
@@ -81,14 +87,53 @@ struct oracle_version
     return minor_;
   }
 
-  friend std::istream& operator>> (std::istream&, oracle_version&);
-  friend std::ostream& operator<< (std::ostream&, oracle_version);
+  bool
+  equal (const oracle_version& x) const
+  {
+    return major_ == x.major_ && minor_ == x.minor_;
+  }
+
+  bool
+  less (const oracle_version& x) const
+  {
+    return major_ < x.major_ || (major_ == x.major_ && minor_ <  x.minor_);
+  }
+
+  bool
+  greater (const oracle_version& x) const
+  {
+    return major_ > x.major_ || (major_ == x.major_ && minor_ > x.minor_);
+  }
 
 private:
   unsigned short major_;
   unsigned short minor_;
 };
 
+bool
+inline operator< (const oracle_version& x, const oracle_version& y)
+{
+  return x.less (y);
+}
+
+bool
+inline operator> (const oracle_version& x, const oracle_version& y)
+{
+  return x.greater (y);
+}
+
+bool
+inline operator<= (const oracle_version& x, const oracle_version& y)
+{
+  return !x.greater (y);
+}
+
+bool
+inline operator>= (const oracle_version& x, const oracle_version& y)
+{
+  return !x.less (y);
+}
+
 std::istream&
 operator>> (std::istream&, oracle_version&);
 
diff --git a/odb/relational/oracle/common.cxx b/odb/relational/oracle/common.cxx
index f77f391..bf1925d 100644
--- a/odb/relational/oracle/common.cxx
+++ b/odb/relational/oracle/common.cxx
@@ -122,9 +122,7 @@ namespace relational
               // extraction into a 64 bit integer.
               //
               else if (
-                (options.oracle_client_version ().ver_major () > 11 ||
-                 (options.oracle_client_version ().ver_major () == 11 &&
-                  options.oracle_client_version ().ver_minor () >= 2)) &&
+                (options.oracle_client_version () >= oracle_version (11, 2)) &&
                 (r <= 19 || (r == 20 && unsigned_integer (mi.t))))
                 traverse_int64 (mi);
               else
-- 
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