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  • Committer: edam
  • Date: 2010-07-29 06:39:13 UTC
  • Revision ID: edam@waxworlds.org-20100729063913-wvcvkogsa2alwkhr
- moved basic_statement::operator <<() back to basic_statement and just create another specialisation in command so that it can use sqlite::exec

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include/sqlite3cc/database.h
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/*
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 * connection.h
 
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 * database.h
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 *
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 * Copyright (C) 2009 Tim Marston <edam@waxworlds.org>
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 *
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 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 */
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#ifndef SQLITE3CC_CONNECTION_H_
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#define SQLITE3CC_CONNECTION_H_
 
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#ifndef SQLITE3CC_DATABASE_H_
 
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#define SQLITE3CC_DATABASE_H_
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#include <sqlite3.h>
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{
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namespace detail {
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        class basic_statement;
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        class basic_transaction;
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}
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class connection
 
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class basic_statement;
 
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class basic_transaction;
 
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class database
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        :
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        private boost::noncopyable
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{
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//______________________________________________________________________________
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//                                                                         types
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public:
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        /**
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         * Class to provide a scope lock for the connection mutex
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         */
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        class mutex_guard
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        {
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        public:
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                /**
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                 * Constructor that provides a connection upon which to act
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                 * @param connection reference to a connection
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                 * @see sqlite3_db_mutex()
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                 * @see sqlite3_mutex_enter()
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                 */
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                mutex_guard(
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                        connection &connection );
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                ~mutex_guard();
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                /**
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                 * Release the mutex early
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                 * @see sqlite3_mutex_leave()
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                 */
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                void leave();
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        private:
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                sqlite3_mutex *_mutex;
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        };
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//______________________________________________________________________________
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//                                                                 instantiation
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public:
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         * @param filename the filename of the database file to open
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         * @throws database_error on error
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         */
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        explicit connection(
 
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        explicit database(
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                const std::string &filename );
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        explicit connection();
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        virtual ~connection();
 
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        explicit database();
 
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        virtual ~database();
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//______________________________________________________________________________
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//                                                              public interface
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        /**
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         * Sets a default busy handler which will
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         * wait for the specified number of milliseconds.
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         * @param duration number of milliseconds to wait
 
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         * @param milliseconds number of milliseconds to wait
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         * @returns an sqlite error code
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         * @see sqlite3_busy_timeout()
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         */
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//______________________________________________________________________________
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//                                                                implementation
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private:
 
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protected:
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        friend class detail::basic_statement;
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        friend class detail::basic_transaction;
 
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        friend class basic_statement;
 
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        friend class basic_transaction;
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        friend class command;
 
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        friend class query;
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        friend class sqlite_error;
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        /** the connection handle */
 
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        /** class to provide a scope lock for the database mutex */
 
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        class database_mutex_guard
 
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        {
 
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        public:
 
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                /** constructor that provides a database */
 
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                database_mutex_guard(
 
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                        database &database );
 
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                ~database_mutex_guard();
 
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                /** release the mutex early */
 
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                void leave();
 
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        private:
 
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                sqlite3_mutex *_mutex;
 
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        };
 
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private:
 
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        /** the database handle */
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        sqlite3 *_handle;
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};
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} // namespace sqlite
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#endif /* SQLITE3CC_CONNECTION_H_ */
 
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#endif /* SQLITE3CC_DATABASE_H_ */