From 923639283d2bae0b82cb605fa4680a3058c9d973 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 25 Jul 2012 12:13:38 +0200
Subject: Add support for defining indexes

New db pragma qualifier: index. New tests: common/index, mysql/index,
pgsql/index.
---
 odb/semantics/elements.cxx         |  4 ++--
 odb/semantics/elements.hxx         | 19 +++++++++++++------
 odb/semantics/relational/index.hxx | 31 ++++++++++++++++++++++++++++++-
 odb/semantics/relational/key.hxx   |  9 +++++++++
 4 files changed, 54 insertions(+), 9 deletions(-)

(limited to 'odb/semantics')

diff --git a/odb/semantics/elements.cxx b/odb/semantics/elements.cxx
index 4b8fcea..ddae187 100644
--- a/odb/semantics/elements.cxx
+++ b/odb/semantics/elements.cxx
@@ -27,13 +27,13 @@ namespace semantics
   //
   node::
   node (path const& file, size_t line, size_t column, tree tn)
-      : tree_node_ (tn), file_ (file), line_ (line), column_ (column)
+      : tree_node_ (tn), loc_ (file, line, column)
   {
   }
 
   node::
   node ()
-      : file_ ("")
+      : loc_ (0)
   {
     // GCC plugin machinery #define's abort as a macro.
     //
diff --git a/odb/semantics/elements.hxx b/odb/semantics/elements.hxx
index 59e058d..ac62ff9 100644
--- a/odb/semantics/elements.hxx
+++ b/odb/semantics/elements.hxx
@@ -20,6 +20,7 @@
 #include <cutl/compiler/context.hxx>
 
 #include <odb/gcc-fwd.hxx>
+#include <odb/location.hxx>
 
 namespace semantics
 {
@@ -134,22 +135,30 @@ namespace semantics
     }
 
   public:
+    typedef ::location location_type;
+
     path const&
     file () const
     {
-      return file_;
+      return loc_.file;
     }
 
     size_t
     line () const
     {
-      return line_;
+      return loc_.line;
     }
 
     size_t
     column () const
     {
-      return column_;
+      return loc_.column;
+    }
+
+    location_type const&
+    location () const
+    {
+      return loc_;
     }
 
   public:
@@ -204,9 +213,7 @@ namespace semantics
     tree tree_node_;
     unit_type* unit_;
 
-    path file_;
-    size_t line_;
-    size_t column_;
+    location_type loc_;
   };
 
   //
diff --git a/odb/semantics/relational/index.hxx b/odb/semantics/relational/index.hxx
index af90b12..bf08a23 100644
--- a/odb/semantics/relational/index.hxx
+++ b/odb/semantics/relational/index.hxx
@@ -17,13 +17,42 @@ namespace semantics
     class index: public key
     {
     public:
-      index (string const& id): key (id) {}
+      index (string const& id,
+             string const& t = string (),
+             string const& m = string (),
+             string const& o = string ())
+          : key (id), type_ (t), method_ (m), options_ (o)
+      {
+      }
+
+      string const&
+      type () const
+      {
+        return type_;
+      }
+
+      string const&
+      method () const
+      {
+        return method_;
+      }
+
+      string const&
+      options () const
+      {
+        return options_;
+      }
 
       virtual string
       kind () const
       {
         return "index";
       }
+
+    private:
+      string type_;    // E.g., "UNIQUE", etc.
+      string method_;  // E.g., "BTREE", etc.
+      string options_; // Database-specific index options.
     };
   }
 }
diff --git a/odb/semantics/relational/key.hxx b/odb/semantics/relational/key.hxx
index 40e7499..3b86f1c 100644
--- a/odb/semantics/relational/key.hxx
+++ b/odb/semantics/relational/key.hxx
@@ -32,7 +32,15 @@ namespace semantics
         return *column_;
       }
 
+      string const&
+      options () const
+      {
+        return options_;
+      }
+
     public:
+      contains (string const& o = string ()) : options_ (o) {}
+
       void
       set_left_node (key_type& n)
       {
@@ -48,6 +56,7 @@ namespace semantics
     protected:
       key_type* key_;
       column_type* column_;
+      string options_;
     };
 
     class key: public unameable
-- 
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