From dac72baef46897b80fc98632cef182fb266a5d60 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 21 Mar 2011 17:24:35 +0200
Subject: Add base SQLite database classes

---
 odb/sqlite/statement.cxx | 99 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 99 insertions(+)
 create mode 100644 odb/sqlite/statement.cxx

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

diff --git a/odb/sqlite/statement.cxx b/odb/sqlite/statement.cxx
new file mode 100644
index 0000000..e7d197b
--- /dev/null
+++ b/odb/sqlite/statement.cxx
@@ -0,0 +1,99 @@
+// file      : odb/sqlite/statement.cxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2005-2011 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#include <odb/sqlite/statement.hxx>
+#include <odb/sqlite/connection.hxx>
+#include <odb/sqlite/error.hxx>
+
+using namespace std;
+
+namespace odb
+{
+  namespace sqlite
+  {
+    // statement
+    //
+
+    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)
+    {
+      if (int e = sqlite3_prepare_v2 (
+            conn_.handle (),
+            s,
+            static_cast<int> (n),
+            &stmt_,
+            0))
+      {
+        translate_error (e, conn_);
+      }
+    }
+
+
+
+    statement::
+    ~statement ()
+    {
+      sqlite3_finalize (stmt_);
+    }
+
+    // simple_statement
+    //
+
+    simple_statement::
+    simple_statement (connection& conn, const string& s)
+        : statement (conn, s),
+          result_set_ (stmt_ ? sqlite3_column_count (stmt_) != 0: false)
+    {
+    }
+
+    simple_statement::
+    simple_statement (connection& conn, const char* s, std::size_t n)
+        : statement (conn, s, n),
+          result_set_ (stmt_ ? sqlite3_column_count (stmt_) != 0: false)
+    {
+    }
+
+    unsigned long long simple_statement::
+    execute ()
+    {
+      if (stmt_ == 0) // Empty statement or comment.
+        return 0;
+
+      if (int e = sqlite3_reset (stmt_))
+        translate_error (e, conn_);
+
+      unsigned long long r (0);
+
+      int e;
+      for (e = sqlite3_step (stmt_); e == SQLITE_ROW; e = sqlite3_step (stmt_))
+        r++;
+
+      if (e != SQLITE_DONE)
+        translate_error (e, conn_);
+
+      if (!result_set_)
+        r = static_cast<unsigned long long> (
+          sqlite3_changes (conn_.handle ()));
+
+      return r;
+    }
+  }
+}
-- 
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