///////////////////////////////////////////////////////////////
//
// CDatabaseManagerImpl::QueryWithResultf
//
// Start a query and wait for the result
//
///////////////////////////////////////////////////////////////
bool CDatabaseManagerImpl::QueryWithResultf ( SConnectionHandle hConnection, CRegistryResult* pResult, const char* szQuery, ... )
{
va_list vl;
va_start ( vl, szQuery );
ClearLastErrorMessage ();
// Check connection
if ( !MapContains ( m_ConnectionTypeMap, hConnection ) )
{
SetLastErrorMessage ( "Invalid connection" );
return false;
}
// Insert arguments with correct escapement
SString strEscapedQuery = InsertQueryArguments ( hConnection, szQuery, vl );
// Start query
CDbJobData* pJobData = m_JobQueue->AddCommand ( EJobCommand::QUERY, hConnection, strEscapedQuery );
// Wait for result
QueryPoll ( pJobData, -1 );
// Process result
if ( pJobData->result.status == EJobResult::FAIL )
{
if ( pResult )
*pResult = CRegistryResult ();
return false;
}
else
{
if ( pResult )
*pResult = pJobData->result.registryResult;
return true;
}
}
bool CRegistry::Query ( CRegistryResult* pResult, const char* szQuery, va_list vl )
{
// Clear result
if ( pResult )
*pResult = CRegistryResult ();
if ( m_bOpened == false )
{
SetLastErrorMessage ( "SQLite3 was not opened, cannot perform query!", szQuery );
return false;
}
SString strParsedQuery;
for ( unsigned int i = 0; szQuery[i] != '\0'; i++ )
{
if ( szQuery[i] != SQL_VARIABLE_PLACEHOLDER )
{
strParsedQuery += szQuery[i];
}
else
{
switch ( va_arg( vl, int ) )
{
case SQLITE_INTEGER:
{
int iValue = va_arg( vl, int );
strParsedQuery += SString ( "%d", iValue );
}
break;
case SQLITE_FLOAT:
{
double fValue = va_arg( vl, double );
strParsedQuery += SString ( "%f", fValue );
}
break;
case SQLITE_TEXT:
{
const char* szValue = va_arg( vl, const char* );
assert ( szValue );
strParsedQuery += SString ( "'%s'", SQLEscape ( szValue, true, false ).c_str () );
}
break;
case SQLITE_BLOB:
{
strParsedQuery += "CANT_DO_BLOBS_M8";
}
break;
case SQLITE_NULL:
{
strParsedQuery += "NULL";
}
break;
default:
// someone passed a value without specifying its type
assert ( 0 );
break;
}
}
}
va_end ( vl );
// VACUUM query does not work with transactions
if ( strParsedQuery.BeginsWithI( "VACUUM" ) )
EndAutomaticTransaction ();
else
BeginAutomaticTransaction ();
return QueryInternal ( strParsedQuery.c_str (), pResult );
}