From 7939f7972cf22ee9a74518978e4f7d4d77535e09 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 24 Mar 2011 14:02:16 +0200
Subject: Add support for clearing connection from active and uncached
 statements

---
 odb/sqlite/statement.cxx | 57 +++++++++++++++++++-----------------------------
 1 file changed, 22 insertions(+), 35 deletions(-)

(limited to 'odb/sqlite/statement.cxx')

diff --git a/odb/sqlite/statement.cxx b/odb/sqlite/statement.cxx
index fc9e780..aa87939 100644
--- a/odb/sqlite/statement.cxx
+++ b/odb/sqlite/statement.cxx
@@ -24,27 +24,11 @@ namespace odb
     statement::
     ~statement ()
     {
-      sqlite3_finalize (stmt_);
+      finilize ();
     }
 
-    statement::
-    statement (connection& conn, const string& s)
-        : conn_ (conn)
-    {
-      if (int e = sqlite3_prepare_v2 (
-            conn_.handle (),
-            s.c_str (),
-            static_cast<int> (s.size () + 1),
-            &stmt_,
-            0))
-      {
-        translate_error (e, conn_);
-      }
-    }
-
-    statement::
-    statement (connection& conn, const char* s, std::size_t n)
-        : conn_ (conn)
+    void statement::
+    init (const char* s, std::size_t n)
     {
       if (int e = sqlite3_prepare_v2 (
             conn_.handle (),
@@ -55,6 +39,14 @@ namespace odb
       {
         translate_error (e, conn_);
       }
+
+      active_ = false;
+      cached_ = false;
+
+      prev_ = 0;
+      next_ = this;
+
+      list_add (); // Add to the list because we are uncached.
     }
 
     void statement::
@@ -233,14 +225,19 @@ namespace odb
     void select_statement::
     execute ()
     {
+      if (active ())
+        reset ();
+
       done_ = false;
       bind_param (cond_.bind, cond_.count);
+      active (true);
     }
 
     void select_statement::
     free_result ()
     {
-      sqlite3_reset (stmt_);
+      reset ();
+      done_ = true;
     }
 
     bool select_statement::
@@ -250,23 +247,13 @@ namespace odb
       {
         int e (sqlite3_step (stmt_));
 
-        switch (e)
+        if (e != SQLITE_ROW)
         {
-        case SQLITE_DONE:
-          {
-            done_ = true;
-            sqlite3_reset (stmt_);
-            break;
-          }
-        case SQLITE_ROW:
-          {
-            break;
-          }
-        default:
-          {
-            sqlite3_reset (stmt_);
+          reset ();
+          done_ = true;
+
+          if (e != SQLITE_DONE)
             translate_error (e, conn_);
-          }
         }
       }
 
-- 
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