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// 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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