/sqlite3cc

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  • Committer: edam
  • Date: 2010-07-29 20:56:19 UTC
  • Revision ID: edam@waxworlds.org-20100729205619-a9yo4uzu647nvnsj
- renamed database to connection to better identify what it is (would database_connection be better though?)
- moved basic_statement and basic_transaction to sqlite::detail
- made sqlite::threadsafe() return the threading mode int, not a bool
- renamed row::index() to row_number() so it isn't confused with column index
- added typedef for deferred_transaction
- added early rollback method to transaction_guard
- allowed transaction_guard::~transaction_guard() to throw exceptions, since when it needs to, we're really screwed anyway
- bugfix: query::reset() didn't reset the internal row counter
- added query::num_results()
- added docs/design-notes
- reimplemented query::iterator so that increment() (which performs a step() on the query) now caches the returned row to be returned during dereference() (previously it stashed details and returned new row!?)
- bugfix: resetting active queries during rollbacks would hang!

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Lines of Context:
src/command.cc
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 */
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#include <sqlite3cc/command.h>
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#include <sqlite3cc/database.h>
 
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#include <sqlite3cc/connection.h>
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#include <sqlite3cc/manipulator.h>
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#include <cassert>
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sqlite::command::command(
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        database &database,
 
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        connection &connection,
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        const std::string &sql )
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        :
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        basic_statement( database, sql ),
 
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        detail::basic_statement( connection, sql ),
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        _changes( 0 ),
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        _total_changes( 0 ),
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        _last_insert_rowid( 0 )
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sqlite::command::command(
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        database &database )
 
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        connection &connection )
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        :
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        basic_statement( database ),
 
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        detail::basic_statement( connection ),
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        _changes( 0 ),
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        _total_changes( 0 ),
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        _last_insert_rowid( 0 )
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int sqlite::command::prepare(
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        const std::string &sql )
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{
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        int code = basic_statement::prepare( sql );
 
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        int code = detail::basic_statement::prepare( sql );
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        assert( code != SQLITE_OK || sqlite3_column_count( _handle ) == 0 );
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        return code;
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}
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int sqlite::command::step()
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{
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        database::database_mutex_guard lock( _database );
 
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        connection::mutex_guard lock( _connection );
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        int code = basic_statement::step();
 
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        int code = detail::basic_statement::step();
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        if( code == SQLITE_ROW ) throw sqlite_error( "command has results" );
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        if( code != SQLITE_DONE ) throw sqlite_error( _database, code );
 
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        if( code != SQLITE_DONE ) throw sqlite_error( _connection, code );
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        _changes = sqlite3_changes( _database._handle );
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        _total_changes = sqlite3_total_changes( _database._handle );
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        _last_insert_rowid = sqlite3_last_insert_rowid( _database._handle );
 
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        _changes = sqlite3_changes( _connection._handle );
 
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        _total_changes = sqlite3_total_changes( _connection._handle );
 
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        _last_insert_rowid = sqlite3_last_insert_rowid( _connection._handle );
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        lock.leave();
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template< >
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sqlite::basic_statement &sqlite::basic_statement::operator <<
 
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sqlite::detail::basic_statement &sqlite::detail::basic_statement::operator <<
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        < sqlite::detail::exec_t >(
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        const sqlite::detail::exec_t & )
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{
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                if( code == SQLITE_ROW )
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                        throw sqlite_error( "statement returned results" );
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                else
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                        throw sqlite_error( _database, code );
 
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                        throw sqlite_error( _connection, code );
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        }
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        return *this;
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}