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// file : odb/sqlite/section-statements.hxx
// copyright : Copyright (c) 2005-2015 Code Synthesis Tools CC
// license : GNU GPL v2; see accompanying LICENSE file
#ifndef ODB_SQLITE_SECTION_STATEMENTS_HXX
#define ODB_SQLITE_SECTION_STATEMENTS_HXX
#include <odb/pre.hxx>
#include <cstddef> // std::size_t
#include <odb/forward.hxx>
#include <odb/schema-version.hxx>
#include <odb/traits.hxx>
#include <odb/sqlite/version.hxx>
#include <odb/sqlite/sqlite-types.hxx>
#include <odb/sqlite/binding.hxx>
#include <odb/sqlite/statement.hxx>
#include <odb/sqlite/connection.hxx>
#include <odb/sqlite/database.hxx>
#include <odb/sqlite/details/export.hxx>
namespace odb
{
namespace sqlite
{
class connection;
// Template argument is the section traits type.
//
template <typename T, typename ST>
class section_statements
{
public:
typedef ST traits;
typedef typename traits::image_type image_type;
typedef typename traits::id_image_type id_image_type;
typedef sqlite::select_statement select_statement_type;
typedef sqlite::update_statement update_statement_type;
typedef sqlite::connection connection_type;
section_statements (connection_type&,
image_type&, id_image_type&,
binding& id, binding& idv);
connection_type&
connection () {return conn_;}
const schema_version_migration&
version_migration (const char* name = "") const
{
if (svm_ == 0)
svm_ = &conn_.database ().schema_version_migration (name);
return *svm_;
}
image_type&
image () {return image_;}
const binding&
id_binding () {return id_binding_;}
// Id and optimistic concurrency version (if any).
//
const binding&
idv_binding () {return idv_binding_;}
// Select binding.
//
std::size_t
select_image_version () const { return select_image_version_;}
void
select_image_version (std::size_t v) {select_image_version_ = v;}
binding&
select_image_binding () {return select_image_binding_;}
bool*
select_image_truncated () {return select_image_truncated_;}
// Update binding.
//
std::size_t
update_image_version () const { return update_image_version_;}
void
update_image_version (std::size_t v) {update_image_version_ = v;}
std::size_t
update_id_binding_version () const { return update_id_binding_version_;}
void
update_id_binding_version (std::size_t v) {update_id_binding_version_ = v;}
binding&
update_image_binding () {return update_image_binding_;}
//
// Statements.
//
select_statement_type&
select_statement ()
{
if (select_ == 0)
select_.reset (
new (details::shared) select_statement_type (
conn_,
traits::select_statement,
traits::versioned, // Process if versioned.
false, // Don't optimize.
id_binding_,
select_image_binding_));
return *select_;
}
update_statement_type&
update_statement ()
{
if (update_ == 0)
update_.reset (
new (details::shared) update_statement_type (
conn_,
traits::update_statement,
traits::versioned, // Process if versioned.
update_image_binding_));
return *update_;
}
public:
static const std::size_t id_column_count = traits::id_column_count;
static const std::size_t managed_optimistic_load_column_count =
traits::managed_optimistic_load_column_count;
static const std::size_t managed_optimistic_update_column_count =
traits::managed_optimistic_update_column_count;
static const std::size_t select_column_count = traits::load_column_count;
static const std::size_t update_column_count =
traits::update_column_count;
private:
section_statements (const section_statements&);
section_statements& operator= (const section_statements&);
protected:
connection_type& conn_;
mutable const schema_version_migration* svm_;
// These come from object_statements.
//
image_type& image_;
binding& id_binding_;
binding& idv_binding_;
// Select binding.
//
std::size_t select_image_version_;
static const std::size_t select_bind_count =
select_column_count != 0 || managed_optimistic_load_column_count != 0
? select_column_count + managed_optimistic_load_column_count
: 1;
binding select_image_binding_;
bind select_image_bind_[select_bind_count];
bool select_image_truncated_[select_bind_count];
// Update binding.
//
std::size_t update_image_version_;
std::size_t update_id_binding_version_;
static const std::size_t update_bind_count =
update_column_count != 0 || managed_optimistic_update_column_count != 0
? update_column_count + id_column_count +
managed_optimistic_update_column_count
: 1;
binding update_image_binding_;
bind update_image_bind_[update_bind_count];
details::shared_ptr<select_statement_type> select_;
details::shared_ptr<update_statement_type> update_;
};
}
}
#include <odb/sqlite/section-statements.txx>
#include <odb/post.hxx>
#endif // ODB_SQLITE_SECTION_STATEMENTS_HXX
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