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1558 lines
45 KiB
1558 lines
45 KiB
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 2000.
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//
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// File: qryperf.CXX
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//
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// Contents: performance test program
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//
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// History: 16 March 1996 dlee Created (from fsdbdrt)
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//
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//--------------------------------------------------------------------------
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#include "pch.cxx"
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#pragma hdrstop
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#define STRESS
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#ifdef STRESS
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#define GET_DATA_TOO
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unsigned cThreads = 8;
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const unsigned cLoopTimes = 0xffffffff;
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WCHAR *pwcCatalog = L"system";
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WCHAR *pwcMachine = L".";
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BOOL g_fStopNow = FALSE;
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const unsigned cmsSleep = 3000; // 0
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unsigned g_cmsSleep;
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BOOL g_fFetchRowsAtWill = TRUE;
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#else
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const unsigned cThreads = 8;
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const unsigned cLoopTimes = 1000;
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WCHAR *pwcCatalog = L"encarta";
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WCHAR *pwcMachine = L".";
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#endif
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BOOL g_fSQL = FALSE;
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#define DBINITCONSTANTS
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#include <crt\io.h>
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#include <time.h>
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#include <process.h>
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#include <propvar.h>
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#include <olectl.h>
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#include <doquery.hxx>
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WCHAR g_awcCatalog[ MAX_PATH ];
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WCHAR g_awcMachine[ MAX_PATH ];
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BOOL g_fSequential = FALSE;
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template<class T> T Rand2( T t ) { return (T) abs( (int) ( rand() % t ) ); }
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template<class T> T Rand( T t ) { return (T) abs( GetTickCount() % t ); }
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CCoTaskAllocator CoTaskAllocator;
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void * CCoTaskAllocator::Allocate(ULONG cbSize)
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{
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return CoTaskMemAlloc( cbSize );
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}
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void CCoTaskAllocator::Free( void *pv )
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{
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CoTaskMemFree( pv );
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}
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BOOL isEven(unsigned n)
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{
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return ( 0 == ( n & 1 ) );
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}
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static const GUID guidSystem = PSGUID_STORAGE;
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static const GUID guidQuery = PSGUID_QUERY;
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static const GUID guidRowsetProps = DBPROPSET_ROWSET;
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static CDbColId psName( guidSystem, PID_STG_NAME );
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static CDbColId psPath( guidSystem, PID_STG_PATH );
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static CDbColId psSize( guidSystem, PID_STG_SIZE );
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static CDbColId psWriteTime( guidSystem, PID_STG_WRITETIME );
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static CDbColId psContents( guidSystem, PID_STG_CONTENTS );
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static CDbColId psRank( guidQuery, DISPID_QUERY_RANK );
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static CDbColId * aColIds[] =
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{
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&psName, &psPath, &psSize, &psWriteTime, &psRank
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};
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static ULONG cColIds = sizeof aColIds / sizeof aColIds[0];
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CDbCmdTreeNode * FormQueryTree( CDbCmdTreeNode * pRst,
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CDbColumns & Cols,
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CDbSortSet * pSort );
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IRowsetScroll * InstantiateRowset(
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ICommand *pCommandIn,
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DWORD dwDepth,
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LPWSTR pwszScope,
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XPtr<CDbCmdTreeNode> & xTree,
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WCHAR const * pwcQuery,
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REFIID riid,
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BOOL fAsynchronous );
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HACCESSOR MapColumns(
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IUnknown * pUnknown,
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ULONG cCols,
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DBBINDING * pBindings,
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const DBID * pColIds );
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void ReleaseAccessor( IUnknown * pUnknown, HACCESSOR hAcc );
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DWORD __stdcall RunPerfTest(void *pv);
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void LogError( char const * pszFormat, ... );
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void GetProcessInfo(
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WCHAR * pwcImage,
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LARGE_INTEGER & liUserTime,
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LARGE_INTEGER & liKernelTime,
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ULONG & cHandles,
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ULONGLONG & cbWorkingSet,
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ULONGLONG & cbPeakWorkingSet,
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ULONGLONG & cbPeakVirtualSize,
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ULONGLONG & cbNonPagedPoolUsage,
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ULONGLONG & cbPeakNonPagedPoolUsage );
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inline _int64 mkTime( FILETIME ft )
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{
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return (_int64) ft.dwLowDateTime +
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( ( (_int64 ) ft.dwHighDateTime ) << 32 );
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} //mkTime
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inline _int64 mkTime( FILETIME ftK, FILETIME ftU )
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{
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return mkTime( ftK ) + mkTime( ftU );
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} //mkTime
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inline _int64 mkTime( LARGE_INTEGER li )
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{
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return (_int64) li.LowPart +
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( ( (_int64) li.HighPart ) << 32 );
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} //mkTime
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inline _int64 mkTime( LARGE_INTEGER liK, LARGE_INTEGER liU )
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{
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return mkTime( liK ) + mkTime( liU );
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} //mkTime
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void GetCiSvcTimes(
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LARGE_INTEGER & liCiSvcKernelTime,
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LARGE_INTEGER & liCiSvcUserTime )
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{
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ULONG cHandles;
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ULONGLONG cbWorkingSet;
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ULONGLONG cbPeakWorkingSet;
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ULONGLONG cbPeakVirtualSize;
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ULONGLONG cbNonPagedPoolUsage;
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ULONGLONG cbPeakNonPagedPoolUsage;
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GetProcessInfo( L"cisvc.exe",
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liCiSvcUserTime,
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liCiSvcKernelTime,
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cHandles,
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cbWorkingSet,
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cbPeakWorkingSet,
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cbPeakVirtualSize,
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cbNonPagedPoolUsage,
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cbPeakNonPagedPoolUsage );
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} //GetCiSvcTimes
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void RunQuerySuite()
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{
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HANDLE ah[ 200 ];
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DWORD dwID;
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for ( unsigned x = 0; x < cThreads; x++ )
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{
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#ifdef STRESS
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Sleep( GetCurrentThreadId() );
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#endif // STRESS
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ah[x] = CreateThread( 0,
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65536,
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RunPerfTest,
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0,
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0,
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&dwID );
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}
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WaitForMultipleObjects( cThreads, ah, TRUE, INFINITE );
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for ( x = 0; x < cThreads; x++ )
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CloseHandle( ah[x] );
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} //RunQuerySuite
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void Usage()
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{
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printf( "usage: qryperf [-c:catalog] [-m:machine] [-d:delay(ms)] [-q(onarch)] [-s:(0|1)] [-t:threads] -f(etch at will)\n" );
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exit(1);
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} //Usage
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extern "C" int __cdecl wmain( int argc, WCHAR * argv[] )
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{
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HRESULT hr = CoInitialize( 0 );
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if ( FAILED( hr ) )
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exit( 1 );
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wcscpy( g_awcCatalog, pwcCatalog );
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wcscpy( g_awcMachine, pwcMachine );
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#ifdef STRESS
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g_cmsSleep = cmsSleep;
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#endif
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for ( int i = 1; i < argc; i++ )
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{
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if ( '/' == argv[i][0] || '-' == argv[i][0] )
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{
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WCHAR c = (WCHAR) tolower( argv[i][1] );
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if ( L':' != argv[i][2] && c != L'q' && c != 'f' )
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Usage();
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if ( L'c' == c )
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{
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if ( wcslen( argv[i] + 3 ) >= MAX_PATH )
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Usage();
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wcscpy( g_awcCatalog, argv[i] + 3 );
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}
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else if ( L'm' == c )
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{
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if ( wcslen( argv[i] + 3 ) >= MAX_PATH )
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Usage();
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wcscpy( g_awcMachine, argv[i] + 3 );
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}
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#ifdef STRESS
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else if ( L'd' == c )
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g_cmsSleep = _wtoi( argv[i] + 3 );
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else if ( 't' == c )
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cThreads = _wtoi( argv[i] + 3 );
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else if ( 'f' == c )
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g_fFetchRowsAtWill = FALSE;
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#endif
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else if ( 'q' == c )
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g_fSQL = TRUE;
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else if ( L's' == c )
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g_fSequential = _wtoi( argv[i] + 3 );
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else
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Usage();
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}
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else
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Usage();
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}
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HANDLE hproc = GetCurrentProcess();
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FILETIME ftCreate,ftExit,ftKernel,ftUser;
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GetProcessTimes( hproc, &ftCreate, &ftExit, &ftKernel, &ftUser );
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_int64 openTime = mkTime( ftKernel, ftUser );
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{
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CI_STATE state;
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state.cbStruct = sizeof state;
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CIState( g_awcCatalog, g_awcMachine, &state );
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}
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LARGE_INTEGER liCiSvcUserTime;
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LARGE_INTEGER liCiSvcKernelTime;
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GetCiSvcTimes( liCiSvcKernelTime, liCiSvcUserTime );
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_int64 ciStartTime = mkTime( liCiSvcKernelTime, liCiSvcUserTime );
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GetProcessTimes( hproc, &ftCreate, &ftExit, &ftKernel, &ftUser );
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_int64 startTime = mkTime( ftKernel, ftUser );
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RunQuerySuite();
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CIShutdown();
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GetProcessTimes( hproc, &ftCreate, &ftExit, &ftKernel, &ftUser );
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_int64 endTime = mkTime( ftKernel, ftUser );
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GetCiSvcTimes( liCiSvcKernelTime, liCiSvcUserTime );
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_int64 ciEndTime = mkTime( liCiSvcKernelTime, liCiSvcUserTime );
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#ifdef STRESS
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printf( "stress test client time: %d ms cisvc time: %d ms\n",
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(DWORD) ((endTime - startTime) / 10000 ),
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(DWORD) ((ciEndTime - ciStartTime) / 10000 ) );
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#else
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printf( "%s test client time: %d ms cisvc time: %d ms\n",
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g_fSequential ? "sequential" : "non-sequential",
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(DWORD) ((endTime - startTime) / 10000 ),
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(DWORD) ((ciEndTime - ciStartTime) / 10000 ) );
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#endif
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CoUninitialize();
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return 0;
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} //main
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#ifdef GET_DATA_TOO
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class CBookMark
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{
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public:
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CBookMark() : cbBmk (0) {}
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CBookMark( DBBOOKMARK bmkSpecial ) : cbBmk (1)
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{
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abBmk[0] = (BYTE) bmkSpecial;
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}
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BOOL IsValid() const { return 0 != cbBmk; }
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void Invalidate () { cbBmk = 0; }
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BOOL IsEqual ( CBookMark& bmk)
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{
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if (cbBmk != bmk.cbBmk)
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return FALSE;
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return memcmp ( abBmk, bmk.abBmk, cbBmk ) == 0;
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}
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void MakeFirst()
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{
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cbBmk = sizeof (BYTE);
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abBmk[0] = (BYTE) DBBMK_FIRST;
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}
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BOOL IsFirst()
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{
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return cbBmk == sizeof(BYTE) && abBmk[0] == (BYTE) DBBMK_FIRST;
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}
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DBLENGTH cbBmk;
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BYTE abBmk[ 50 ];
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};
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void FetchAtWill(
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IRowset * pRowset,
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IUnknown * pAccessor,
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HACCESSOR hAccessor,
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DBCOUNTITEM cHits )
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{
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if ( 0 == cHits )
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return;
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XInterface<IRowsetScroll> xRS;
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SCODE sc = pRowset->QueryInterface( IID_IRowsetScroll, xRS.GetQIPointer() );
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if ( FAILED( sc ) )
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{
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LogError( "Can't QI for IID_IRowsetScroll\n" );
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return;
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}
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const DBROWCOUNT cMaxToGet = 8;
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HROW aHRows[ cMaxToGet ];
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HROW * paHRows = aHRows;
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// Fetch relative to first
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const BYTE bmkFirst = (BYTE) DBBMK_FIRST;
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for ( unsigned i = 0; i < 5 && !g_fStopNow; i++ )
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{
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DBCOUNTITEM cRows;
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DBROWCOUNT cToGet = 1 + Rand2( cMaxToGet - 1 );
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DBROWOFFSET iStart = Rand2( cHits );
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sc = xRS->GetRowsAt( 0, 0, 1, &bmkFirst, iStart, cToGet, &cRows, &paHRows );
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if ( SUCCEEDED( sc ) )
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xRS->ReleaseRows( cRows, aHRows, 0, 0, 0 );
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else
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LogError( "can't get %d rows at %d out of %d\n", cToGet, iStart, cHits );
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}
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// Fetch relative to last
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const BYTE bmkLast = (BYTE) DBBMK_LAST;
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for ( i = 0; i < 5 && !g_fStopNow; i++ )
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{
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DBCOUNTITEM cRows;
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DBROWCOUNT cToGet = 1 + Rand2( cMaxToGet - 1 );
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DBROWOFFSET iStart = Rand2( cHits );
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sc = xRS->GetRowsAt( 0, 0, 1, &bmkLast, -iStart, cToGet, &cRows, &paHRows );
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if ( SUCCEEDED( sc ) )
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xRS->ReleaseRows( cRows, aHRows, 0, 0, 0 );
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else
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LogError( "can't get %d rows at %d from last out of %d\n", cToGet, -iStart, cHits );
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}
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// Fetch relative to a random location
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static GUID guidBmk = DBBMKGUID;
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static CDbColId dbcolBookMark( guidBmk, PROPID_DBBMK_BOOKMARK );
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DBBINDING aBmkColumn[] = { 0, sizeof DBLENGTH, 0, 0, 0, 0, 0,
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DBPART_VALUE | DBPART_LENGTH,
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DBMEMOWNER_CLIENTOWNED,
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DBPARAMIO_NOTPARAM,
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50,
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0,
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DBTYPE_BYTES,
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0, 0 };
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XInterface<IAccessor> xAccessor;
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sc = xRS->QueryInterface( IID_IAccessor, xAccessor.GetQIPointer() );
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if ( FAILED( sc ) )
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{
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LogError( "can't create bookmark accessor IAccessor: %#x\n", sc );
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return;
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}
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HACCESSOR hBmkAccessor;
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sc = xAccessor->CreateAccessor( DBACCESSOR_ROWDATA,
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1,
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aBmkColumn,
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0,
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&hBmkAccessor,
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0 );
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if ( FAILED(sc) )
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{
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LogError( "can't create accessor\n" );
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return;
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}
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HROW aBmkHRows[ 1 ];
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HROW * paBmkHRows = aBmkHRows;
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DBROWOFFSET iBmkStart = Rand2( cHits );
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DBCOUNTITEM cBmkRows;
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sc = xRS->GetRowsAt( 0, 0, 1, &bmkFirst, iBmkStart, 1, &cBmkRows, &paBmkHRows );
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if ( SUCCEEDED( sc ) )
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{
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CBookMark bmk;
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sc = xRS->GetData( aBmkHRows[0], hBmkAccessor, &bmk );
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if ( SUCCEEDED( sc ) && ( DB_S_ERRORSOCCURRED != sc ) )
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{
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for ( unsigned i = 0; i < 5 && !g_fStopNow; i++ )
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{
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DBCOUNTITEM cRows;
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DBROWCOUNT cToGet = 1 + Rand2( cMaxToGet - 1 );
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DBROWOFFSET iStart = Rand2( cHits ) - iBmkStart;
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sc = xRS->GetRowsAt( 0, 0, bmk.cbBmk, bmk.abBmk, iStart,
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cToGet, &cRows, &paHRows );
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if ( SUCCEEDED( sc ) )
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xRS->ReleaseRows( cRows, aHRows, 0, 0, 0 );
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else
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LogError( "can't getrowsat %d rows %d relative to bmk at %d, rowset has %d: %#x\n",
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cToGet, iStart, iBmkStart, cHits, sc );
|
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}
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}
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else
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LogError( "can't GetData the bmk row: %#x\n", sc );
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xRS->ReleaseRows( 1, aBmkHRows, 0, 0, 0 );
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}
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else
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LogError( "can't GetRowsAt the bmk row: %#x\n", sc );
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ReleaseAccessor( pAccessor, hBmkAccessor );
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} //FetchAtWill
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#endif
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static DBBINDING aPropTestCols[] =
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{
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{ 0,(sizeof ULONG_PTR)*0,0,0,0,0,0, DBPART_VALUE, DBMEMOWNER_PROVIDEROWNED, DBPARAMIO_NOTPARAM, 0, 0, DBTYPE_VARIANT|DBTYPE_BYREF, 0, 0 },
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{ 0,(sizeof ULONG_PTR)*1,0,0,0,0,0, DBPART_VALUE, DBMEMOWNER_PROVIDEROWNED, DBPARAMIO_NOTPARAM, 0, 0, DBTYPE_VARIANT|DBTYPE_BYREF, 0, 0 },
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{ 0,(sizeof ULONG_PTR)*2,0,0,0,0,0, DBPART_VALUE, DBMEMOWNER_PROVIDEROWNED, DBPARAMIO_NOTPARAM, 0, 0, DBTYPE_VARIANT|DBTYPE_BYREF, 0, 0 },
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{ 0,(sizeof ULONG_PTR)*3,0,0,0,0,0, DBPART_VALUE, DBMEMOWNER_PROVIDEROWNED, DBPARAMIO_NOTPARAM, 0, 0, DBTYPE_VARIANT|DBTYPE_BYREF, 0, 0 },
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{ 0,(sizeof ULONG_PTR)*4,0,0,0,0,0, DBPART_VALUE, DBMEMOWNER_PROVIDEROWNED, DBPARAMIO_NOTPARAM, 0, 0, DBTYPE_VARIANT|DBTYPE_BYREF, 0, 0 },
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};
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|
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void RunPerfQuery(
|
|
CDbRestriction & CiRst,
|
|
WCHAR const * pwcQuery,
|
|
unsigned cExpectedHits,
|
|
ICommand * pCommand,
|
|
BOOL fSeq,
|
|
BOOL fAsynchronous )
|
|
{
|
|
CDbColumns cols( 5 );
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|
BOOL fOk = cols.Add( psName, 0 );
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if ( fOk )
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|
cols.Add( psSize, 1 );
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if ( fOk )
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cols.Add( psWriteTime, 2 );
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if ( fOk )
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cols.Add( psPath, 3 );
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if ( fOk )
|
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cols.Add( psRank, 4 );
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|
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if ( !fOk )
|
|
{
|
|
LogError(" can't create column specification\n" );
|
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return;
|
|
}
|
|
|
|
unsigned cRetries = 0;
|
|
DBCOUNTITEM cRowsReturned = 0;
|
|
IRowset * pRowset = 0;
|
|
|
|
{
|
|
CDbSortSet ss( 1 );
|
|
|
|
#ifdef STRESS
|
|
int x = Rand( cColIds );
|
|
int y = rand();
|
|
fOk = ss.Add( *aColIds[x],
|
|
isEven( rand() ) ? QUERY_SORTDESCEND : QUERY_SORTASCEND,
|
|
0 );
|
|
#else
|
|
fOk = ss.Add( psRank, QUERY_SORTDESCEND, 0);
|
|
#endif
|
|
|
|
if ( !fOk )
|
|
{
|
|
LogError(" can't create sort specification\n" );
|
|
return;
|
|
}
|
|
|
|
XPtr<CDbCmdTreeNode> xCmdTree( FormQueryTree( &CiRst,
|
|
cols,
|
|
fSeq ? 0 : &ss ) );
|
|
|
|
if ( xCmdTree.IsNull() )
|
|
return;
|
|
|
|
pRowset = InstantiateRowset( pCommand,
|
|
QUERY_DEEP, // Depth
|
|
L"\\", // Scope
|
|
xCmdTree, // DBCOMMANDTREE
|
|
pwcQuery,
|
|
fSeq ? IID_IRowset :
|
|
IID_IRowsetScroll,
|
|
fAsynchronous );
|
|
|
|
if ( 0 == pRowset )
|
|
{
|
|
LogError(" can't get rowset\n" );
|
|
return;
|
|
}
|
|
|
|
XInterface<IRowset> xRowset( pRowset );
|
|
|
|
#ifdef GET_DATA_TOO
|
|
|
|
// Get data
|
|
|
|
DBID aDbCols[5];
|
|
aDbCols[0] = psName;
|
|
aDbCols[1] = psSize;
|
|
aDbCols[2] = psWriteTime;
|
|
aDbCols[3] = psPath;
|
|
aDbCols[4] = psRank;
|
|
|
|
IUnknown * pAccessor = pRowset;
|
|
HACCESSOR hAccessor = MapColumns( pAccessor,
|
|
5,
|
|
aPropTestCols,
|
|
aDbCols );
|
|
if ( 0 == hAccessor )
|
|
return;
|
|
|
|
#endif // GET_DATA_TOO
|
|
|
|
DBCOUNTITEM cTotal = 0;
|
|
|
|
#ifdef STRESS
|
|
const unsigned cFetchPasses = g_fFetchRowsAtWill ? 1000 : 5;
|
|
#else
|
|
const unsigned cFetchPasses = 3;
|
|
#endif
|
|
|
|
for ( unsigned i = 0; i < cFetchPasses; i++ )
|
|
{
|
|
#ifdef STRESS
|
|
if ( g_fStopNow )
|
|
break;
|
|
#endif
|
|
HROW aHRow[10];
|
|
HROW * pgrhRows = aHRow;
|
|
|
|
SCODE sc = pRowset->GetNextRows(0, 0, 10, &cRowsReturned, &pgrhRows);
|
|
|
|
if ( FAILED( sc ) )
|
|
{
|
|
LogError( "'%ws' IRowset->GetNextRows returned 0x%x, cTotal: %d, cRowsReturned: %d\n",
|
|
pwcQuery, sc, cTotal, cRowsReturned );
|
|
break;
|
|
}
|
|
|
|
cTotal += cRowsReturned;
|
|
|
|
#ifdef GET_DATA_TOO
|
|
PROPVARIANT* data[5];
|
|
|
|
for ( ULONG r = 0; r < cRowsReturned; r++ )
|
|
{
|
|
SCODE sc = pRowset->GetData( pgrhRows[r],
|
|
hAccessor,
|
|
&data );
|
|
}
|
|
#endif // GET_DATA_TOO
|
|
|
|
if ( 0 != cRowsReturned )
|
|
pRowset->ReleaseRows( cRowsReturned, pgrhRows, 0, 0, 0 );
|
|
|
|
if ( DB_S_ENDOFROWSET == sc )
|
|
break;
|
|
}
|
|
|
|
#ifdef GET_DATA_TOO
|
|
|
|
if ( !fSeq && g_fFetchRowsAtWill )
|
|
FetchAtWill( pRowset, pAccessor, hAccessor, cTotal );
|
|
|
|
ReleaseAccessor( pAccessor, hAccessor );
|
|
|
|
//printf( "query %ws returned %d hits\n", pwcQuery, cTotal );
|
|
#endif // GET_DATA_TOO
|
|
|
|
if ( 0 == cTotal )
|
|
printf( "query %ws returned no hits\n", pwcQuery );
|
|
|
|
#if 0
|
|
if ( cTotal < __min( 30, cExpectedHits ) )
|
|
printf( "query %ws returned %d hits, expecting %d\n",
|
|
pwcQuery, cTotal, cExpectedHits );
|
|
#endif
|
|
}
|
|
|
|
} //RunPerfQuery
|
|
|
|
struct SQuery
|
|
{
|
|
WCHAR const * pwcQuery;
|
|
unsigned cEncartaHits;
|
|
};
|
|
|
|
static SQuery aQueries[] =
|
|
{
|
|
|
|
#ifdef STRESS
|
|
|
|
{ L"stereo", 4 },
|
|
{ L"flex", 2 },
|
|
{ L"agassi", 1 },
|
|
{ L"detroit", 108 },
|
|
{ L"miami", 60 },
|
|
{ L"edison", 25 },
|
|
{ L"bulb", 33 },
|
|
{ L"elephant", 87 },
|
|
{ L"radius", 43 },
|
|
{ L"amplifier", 17 },
|
|
{ L"drunk", 10 },
|
|
{ L"grunt", 3 },
|
|
{ L"war", 4241 },
|
|
{ L"peace", 812 },
|
|
{ L"river", 3402 },
|
|
{ L"not", 4002 },
|
|
{ L"city", 5567 },
|
|
{ L"century", 4470 },
|
|
|
|
#else
|
|
|
|
{ L"stereo", 4 },
|
|
{ L"flex", 2 },
|
|
{ L"agassi", 1 },
|
|
{ L"detroit", 108 },
|
|
{ L"miami", 60 },
|
|
{ L"edison", 25 },
|
|
{ L"web", 57 },
|
|
{ L"bulb", 33 },
|
|
{ L"microsoft", 15 },
|
|
{ L"elephant", 87 },
|
|
{ L"radius", 43 },
|
|
{ L"amplifier", 17 },
|
|
{ L"drunk", 10 },
|
|
{ L"grunt", 3 },
|
|
|
|
#endif // STRESS
|
|
|
|
};
|
|
|
|
DWORD __stdcall RunPerfTest(void *pv)
|
|
{
|
|
static long cQueriesSoFar = 0;
|
|
|
|
// #ifdef STRESS
|
|
// srand( GetTickCount() + GetCurrentThreadId() );
|
|
// #endif
|
|
|
|
XInterface<ICommand> xCommand;
|
|
|
|
do
|
|
{
|
|
ICommand * pCommand = 0;
|
|
SCODE sc = CICreateCommand( (IUnknown **) &pCommand,
|
|
0,
|
|
IID_ICommand,
|
|
g_awcCatalog,
|
|
g_awcMachine );
|
|
if ( FAILED( sc ) )
|
|
LogError( "CICreateCommand failed: 0x%x\n", sc );
|
|
else
|
|
xCommand.Set( pCommand );
|
|
} while ( xCommand.IsNull() );
|
|
|
|
for ( int x = 0; x < cLoopTimes; x++ )
|
|
{
|
|
try
|
|
{
|
|
const int cQueries = sizeof aQueries / sizeof aQueries[0];
|
|
|
|
#ifdef STRESS
|
|
int j = Rand( cQueries );
|
|
#else
|
|
int j = ( x % cQueries );
|
|
#endif // STRESS
|
|
|
|
CDbContentRestriction CiRst( aQueries[j].pwcQuery, psContents );
|
|
|
|
if ( !CiRst.IsValid() )
|
|
continue;
|
|
|
|
#ifdef STRESS
|
|
if ( 0 != g_cmsSleep )
|
|
Sleep( Rand( g_cmsSleep ) );
|
|
|
|
ICommand *pCmd = isEven( x ) ? xCommand.GetPointer() : 0;
|
|
BOOL fSeq = ( Rand( 100 ) < 70 );
|
|
BOOL fAsynchronous = FALSE;
|
|
if ( !fSeq )
|
|
fAsynchronous = ( Rand( 100 ) < 30 );
|
|
|
|
RunPerfQuery( CiRst,
|
|
aQueries[j].pwcQuery,
|
|
aQueries[j].cEncartaHits,
|
|
pCmd,
|
|
fSeq,
|
|
fAsynchronous );
|
|
|
|
InterlockedIncrement( &cQueriesSoFar );
|
|
if ( 0 == ( cQueriesSoFar % 10 ) )
|
|
printf( "%d queries on catalog '%ws', machine '%ws'\n",
|
|
cQueriesSoFar, g_awcCatalog, g_awcMachine );
|
|
|
|
if ( g_fStopNow )
|
|
return 0;
|
|
#else
|
|
RunPerfQuery( CiRst,
|
|
aQueries[j].pwcQuery,
|
|
aQueries[j].cEncartaHits,
|
|
xCommand.GetPointer(),
|
|
g_fSequential,
|
|
FALSE );
|
|
#endif //STRESS
|
|
}
|
|
catch( CException & e )
|
|
{
|
|
// ignore
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
} //RunPerfTest
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Function: FormQueryTree
|
|
//
|
|
// Synopsis: Forms a query tree consisting of the projection nodes,
|
|
// sort node(s), selection node and the restriction tree.
|
|
//
|
|
// Arguments: [pRst] - pointer to Restriction tree describing the query
|
|
// [Cols] - Columns in the resulting table
|
|
// [pSort] - pointer to sort set; may be null
|
|
//
|
|
// Returns: A pointer to the query tree. It is the responsibility of
|
|
// the caller to later free it.
|
|
//
|
|
// History: 06 July 1995 AlanW Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
CDbCmdTreeNode * FormQueryTree( CDbCmdTreeNode * pRst,
|
|
CDbColumns & Cols,
|
|
CDbSortSet * pSort )
|
|
{
|
|
CDbCmdTreeNode * pTree = 0; // return value
|
|
|
|
if ( 0 != pRst )
|
|
{
|
|
//
|
|
// First create a selection node and append the restriction tree to it
|
|
//
|
|
CDbSelectNode * pSelect = new CDbSelectNode();
|
|
if ( 0 == pSelect )
|
|
{
|
|
LogError("FormQueryTree: can't make CDbSelectNode\n" );
|
|
return 0;
|
|
}
|
|
|
|
pTree = pSelect;
|
|
if ( !pSelect->IsValid() )
|
|
{
|
|
delete pTree;
|
|
LogError("FormQueryTree: select node isn't valid\n" );
|
|
return 0;
|
|
}
|
|
|
|
//
|
|
// Clone the restriction and use it.
|
|
//
|
|
CDbCmdTreeNode * pExpr = pRst->Clone();
|
|
if ( 0 == pExpr )
|
|
{
|
|
delete pTree;
|
|
LogError("FormQueryTree: can't clone the restriction\n" );
|
|
return 0;
|
|
}
|
|
#ifdef STRESS
|
|
else
|
|
{
|
|
CDbContentRestriction * p = (CDbContentRestriction *) pExpr;
|
|
if ( !p->IsValid() )
|
|
{
|
|
LogError( "clone failed illegally!\n" );
|
|
DebugBreak();
|
|
}
|
|
}
|
|
#endif
|
|
|
|
//
|
|
// Now make the restriction a child of the selection node.
|
|
//
|
|
pSelect->AddRestriction( pExpr );
|
|
}
|
|
else
|
|
{
|
|
//
|
|
// No restriction. Just use table ID node as start of tree.
|
|
//
|
|
pTree = new CDbTableId();
|
|
if ( 0 == pTree )
|
|
{
|
|
LogError("FormQueryTree: can't make CDbTableId\n" );
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
//
|
|
// Next create the projection nodes
|
|
//
|
|
CDbProjectNode * pProject = new CDbProjectNode();
|
|
if ( 0 == pProject )
|
|
{
|
|
delete pTree;
|
|
LogError("FormQueryTree: can't make CDbProjectNode\n" );
|
|
return 0;
|
|
}
|
|
|
|
//
|
|
// Make the selection a child of the projection node.
|
|
//
|
|
pProject->AddTable( pTree );
|
|
pTree = pProject;
|
|
|
|
//
|
|
// Next add all the columns in the state.
|
|
//
|
|
unsigned int cCol = Cols.Count();
|
|
for ( unsigned int i = 0; i < cCol; i++ )
|
|
{
|
|
if ( !pProject->AddProjectColumn( Cols.Get(i) ))
|
|
{
|
|
delete pTree;
|
|
LogError("FormQueryTree: can't add project column\n" );
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
//
|
|
// Next add a sort node and make the project node a child of the
|
|
// sort node
|
|
//
|
|
|
|
if (pSort && pSort->Count())
|
|
{
|
|
unsigned int cSortProp = pSort->Count();
|
|
CDbSortNode * pSortNode = new CDbSortNode();
|
|
|
|
if ( 0 == pSortNode )
|
|
{
|
|
delete pTree;
|
|
LogError("FormQueryTree: create sort node\n" );
|
|
return 0;
|
|
}
|
|
|
|
//
|
|
// Make the project node a child of the sort node.
|
|
//
|
|
if ( ! pSortNode->AddTable( pTree ) )
|
|
{
|
|
delete pTree;
|
|
delete pSortNode;
|
|
LogError( "FormQueryTree: can't add table to sortnode\n" );
|
|
return 0;
|
|
}
|
|
|
|
pTree = pSortNode;
|
|
|
|
for( i = 0; i < cSortProp; i++ )
|
|
{
|
|
//
|
|
// Add the sort column.
|
|
//
|
|
|
|
CDbSortKey const &key = pSort->Get( i );
|
|
|
|
#ifdef STRESS
|
|
|
|
if ( 0 == &key )
|
|
{
|
|
LogError( "0 sort key!\n" );
|
|
DebugBreak();
|
|
}
|
|
#endif
|
|
|
|
if ( !pSortNode->AddSortColumn( key ) )
|
|
{
|
|
delete pTree;
|
|
LogError("FormQueryTree: can't add sort column\n");
|
|
return 0;
|
|
}
|
|
|
|
#ifdef STRESS
|
|
DBCOMMANDTREE *p = (DBCOMMANDTREE *) (void *) pSortNode;
|
|
p = p->pctFirstChild;
|
|
p = p->pctNextSibling;
|
|
p = p->pctFirstChild;
|
|
|
|
if ( DBOP_sort_list_element != p->op ||
|
|
DBVALUEKIND_SORTINFO != p->wKind ||
|
|
0 == p->value.pdbsrtinfValue )
|
|
{
|
|
LogError( "p: %#p, bad sort element!\n", p );
|
|
DebugBreak();
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
return pTree;
|
|
} //FormQueryTree
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Class: CAsynchNotify
|
|
//
|
|
// Synopsis: Class for the IDBAsynchNotify callbacks
|
|
//
|
|
// History: 07 May 1999 dlee Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
class CAsynchNotify : public IDBAsynchNotify
|
|
{
|
|
public:
|
|
CAsynchNotify() :
|
|
_cRef( 1 ),
|
|
_cLowResource( 0 ),
|
|
_hEvent( 0 )
|
|
{
|
|
_hEvent = CreateEventW( 0, TRUE, FALSE, 0 );
|
|
|
|
if ( 0 == _hEvent )
|
|
LogError( "can't create notify event, %d\n", GetLastError() );
|
|
}
|
|
|
|
~CAsynchNotify()
|
|
{
|
|
if ( 0 != _cRef )
|
|
LogError( "CAsynchNotify refcounting is broken: %d\n", _cRef );
|
|
|
|
if ( 0 != _hEvent )
|
|
CloseHandle( _hEvent );
|
|
}
|
|
|
|
BOOL IsValid() const { return 0 != _hEvent; }
|
|
|
|
//
|
|
// IUnknown methods.
|
|
//
|
|
|
|
STDMETHOD(QueryInterface) ( REFIID riid, LPVOID *ppiuk )
|
|
{
|
|
*ppiuk = (void **) this; // hold our breath and jump
|
|
AddRef();
|
|
return S_OK;
|
|
}
|
|
|
|
STDMETHOD_( ULONG, AddRef ) () { return InterlockedIncrement( &_cRef ); }
|
|
|
|
STDMETHOD_( ULONG, Release) () { return InterlockedDecrement( &_cRef ); }
|
|
|
|
//
|
|
// IDBAsynchNotify methods
|
|
//
|
|
|
|
STDMETHOD( OnLowResource ) ( DB_DWRESERVE dwReserved )
|
|
{
|
|
_cLowResource++;
|
|
|
|
// If we've failed a few times due to low resource, give up
|
|
// on the query since there may not be sufficient resources
|
|
// to ever get an OnStop call.
|
|
|
|
if ( _cLowResource >= 5 )
|
|
SetEvent( _hEvent );
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
STDMETHOD( OnProgress ) ( HCHAPTER hChap, DBASYNCHOP ulOp,
|
|
DBCOUNTITEM ulProg, DBCOUNTITEM ulProgMax,
|
|
DBASYNCHPHASE ulStat, LPOLESTR pwszStatus )
|
|
{
|
|
return S_OK;
|
|
}
|
|
|
|
STDMETHOD( OnStop ) ( HCHAPTER hChap, ULONG ulOp,
|
|
HRESULT hrStat, LPOLESTR pwszStatus )
|
|
{
|
|
// If the query is complete (successfully or not), set the event
|
|
|
|
if ( DBASYNCHOP_OPEN == ulOp )
|
|
SetEvent( _hEvent );
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
void Wait()
|
|
{
|
|
WaitForSingleObject( _hEvent, INFINITE );
|
|
}
|
|
|
|
private:
|
|
LONG _cRef;
|
|
LONG _cLowResource;
|
|
HANDLE _hEvent;
|
|
};
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Function: WaitForQueryToComplete
|
|
//
|
|
// Synopsis: Waits for the query to complete.
|
|
//
|
|
// Arguments: [pRowset] -- the asynchronous rowset
|
|
//
|
|
// History: 07 May 1999 dlee Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
SCODE WaitForQueryCompletion( IRowset * pRowset )
|
|
{
|
|
SCODE sc = S_OK;
|
|
|
|
if ( Rand( 100 ) < 50 )
|
|
{
|
|
// Register for notifications
|
|
|
|
XInterface<IConnectionPointContainer> xCPC;
|
|
sc = pRowset->QueryInterface( IID_IConnectionPointContainer,
|
|
xCPC.GetQIPointer() );
|
|
if (FAILED(sc))
|
|
{
|
|
LogError( "Can't QI for IConnectionPointContainer: %#x\n",sc );
|
|
return sc;
|
|
}
|
|
|
|
XInterface<IConnectionPoint> xCP;
|
|
sc = xCPC->FindConnectionPoint( IID_IDBAsynchNotify,
|
|
xCP.GetPPointer() );
|
|
if (FAILED(sc) && CONNECT_E_NOCONNECTION != sc )
|
|
{
|
|
LogError( "FindConnectionPoint failed: %#x\n",sc );
|
|
return sc;
|
|
}
|
|
|
|
CAsynchNotify Notify;
|
|
|
|
if ( !Notify.IsValid() )
|
|
return HRESULT_FROM_WIN32( GetLastError() );
|
|
|
|
DWORD dwAdviseID;
|
|
sc = xCP->Advise( (IUnknown *) &Notify, &dwAdviseID );
|
|
if (FAILED(sc))
|
|
{
|
|
LogError( "IConnectionPoint->Advise failed: %#x\n",sc );
|
|
return sc;
|
|
}
|
|
|
|
//
|
|
// In a real app, we'd be off doing other work rather than waiting
|
|
// for the query to complete, but this will do.
|
|
// MsgWaitForSingleObject is a good choice for a GUI app. You could
|
|
// also post a user-defined windows message when a notification is
|
|
// received.
|
|
//
|
|
|
|
Notify.Wait();
|
|
|
|
sc = xCP->Unadvise( dwAdviseID );
|
|
|
|
if ( S_OK != sc )
|
|
{
|
|
LogError( "IConnectionPoint->Unadvise returned %#x\n", sc );
|
|
return sc;
|
|
}
|
|
|
|
Notify.Release();
|
|
}
|
|
else
|
|
{
|
|
// Poll. In a real app, real work would happen between checks.
|
|
|
|
XInterface<IDBAsynchStatus> xIDBAsynch;
|
|
sc = pRowset->QueryInterface( IID_IDBAsynchStatus,
|
|
xIDBAsynch.GetQIPointer() );
|
|
if ( FAILED( sc ) )
|
|
return sc;
|
|
|
|
do
|
|
{
|
|
DBCOUNTITEM Numerator, Denominator;
|
|
DBASYNCHPHASE Phase;
|
|
sc = xIDBAsynch->GetStatus( DB_NULL_HCHAPTER,
|
|
DBASYNCHOP_OPEN,
|
|
&Numerator,
|
|
&Denominator,
|
|
&Phase,
|
|
0 );
|
|
if ( FAILED( sc ) || ( DBASYNCHPHASE_COMPLETE == Phase ) )
|
|
break;
|
|
|
|
Sleep( 20 ); // Give the query a chance to run
|
|
} while ( TRUE );
|
|
}
|
|
|
|
return sc;
|
|
} //WaitForQueryCompletion
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Function: InstantiateRowset
|
|
//
|
|
// Synopsis: Forms a query tree consisting of the projection nodes,
|
|
// sort node(s), selection node and the restriction tree.
|
|
//
|
|
// Arguments: [dwDepth] - Query depth, one of QUERY_DEEP or QUERY_SHALLOW
|
|
// [pswzScope] - Query scope
|
|
// [pTree] - pointer to DBCOMMANDTREE for the query
|
|
// [riid] - Interface ID of the desired rowset interface
|
|
//
|
|
// Returns: IRowsetScroll* - a pointer to an instantiated rowset
|
|
//
|
|
// History: 22 July 1995 AlanW Created
|
|
//
|
|
// Notes: Although the returned pointer is to IRowsetScroll, the
|
|
// returned pointer may only support IRowset, depending
|
|
// upon the riid parameter.
|
|
//
|
|
// Ownership of the query tree is given to the ICommandTree
|
|
// object. The caller does not need to delete it.
|
|
//
|
|
// Use InstantiateMultipleRowsets for categorized queries.
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
static const DBID dbcolNull = { {0,0,0,{0,0,0,0,0,0,0,0}},DBKIND_GUID_PROPID,0};
|
|
static const GUID guidQueryExt = DBPROPSET_QUERYEXT;
|
|
|
|
IRowsetScroll * InstantiateRowset(
|
|
ICommand * pCommandIn,
|
|
DWORD dwDepth,
|
|
LPWSTR pwszScope,
|
|
XPtr<CDbCmdTreeNode> & xTree,
|
|
WCHAR const * pwcQuery,
|
|
REFIID riid,
|
|
BOOL fAsynchronous )
|
|
{
|
|
ICommand * pCommand;
|
|
XInterface<ICommand> xCommand;
|
|
if ( 0 == pCommandIn )
|
|
{
|
|
SCODE sc = CICreateCommand( (IUnknown **) &pCommand,
|
|
0,
|
|
IID_ICommand,
|
|
g_awcCatalog,
|
|
g_awcMachine );
|
|
if ( FAILED( sc ) )
|
|
{
|
|
LogError( "InstantiateRowset - error 0x%x, Unable to create icommand'\n", sc );
|
|
return 0;
|
|
}
|
|
|
|
xCommand.Set( pCommand );
|
|
}
|
|
else
|
|
{
|
|
pCommand = pCommandIn;
|
|
}
|
|
|
|
if ( 0 == pCommand )
|
|
return 0;
|
|
|
|
if ( g_fSQL )
|
|
{
|
|
XInterface<ICommandText> xCommandText;
|
|
SCODE sc = pCommand->QueryInterface( IID_ICommandText,
|
|
xCommandText.GetQIPointer() );
|
|
if ( FAILED( sc ) )
|
|
{
|
|
LogError( "InstantiateRowset error %#x, can't qi ICommandText\n", sc );
|
|
return 0;
|
|
}
|
|
|
|
WCHAR awc[ 300 ];
|
|
swprintf( awc,
|
|
L"SELECT %ws FROM %ws..SCOPE('\"%ws\"') WHERE CONTAINS('%ws')",
|
|
L"Filename, Size, Write, Path, Rank",
|
|
//g_awcMachine,
|
|
g_awcCatalog,
|
|
pwszScope,
|
|
pwcQuery );
|
|
|
|
sc = xCommandText->SetCommandText( DBGUID_SQL, awc );
|
|
if ( FAILED( sc ) )
|
|
{
|
|
LogError( "InstantiateRowset error %#x, can't set text\n", sc );
|
|
return 0;
|
|
}
|
|
|
|
#if 1
|
|
XInterface<ICommandProperties> xCommandProperties;
|
|
sc = xCommandText->QueryInterface( IID_ICommandProperties,
|
|
xCommandProperties.GetQIPointer() );
|
|
if ( FAILED (sc) )
|
|
{
|
|
LogError( "InstantiateRowset error %#x, can't qi commandprops\n", sc );
|
|
return 0;
|
|
}
|
|
|
|
// set the machine name
|
|
|
|
DBPROPSET PropSet;
|
|
DBPROP Prop;
|
|
|
|
const GUID guidQueryCorePropset = DBPROPSET_CIFRMWRKCORE_EXT;
|
|
|
|
PropSet.rgProperties = &Prop;
|
|
PropSet.cProperties = 1;
|
|
PropSet.guidPropertySet = guidQueryCorePropset;
|
|
|
|
Prop.dwPropertyID = DBPROP_MACHINE;
|
|
Prop.colid = DB_NULLID;
|
|
Prop.vValue.vt = VT_BSTR;
|
|
Prop.vValue.bstrVal = SysAllocString( g_awcMachine );
|
|
|
|
if ( 0 == Prop.vValue.bstrVal )
|
|
{
|
|
LogError( "InstantiateRowset error %#x, can't allocate sql machine\n", sc );
|
|
return 0;
|
|
}
|
|
|
|
sc = xCommandProperties->SetProperties ( 1, &PropSet );
|
|
|
|
VariantClear( &Prop.vValue );
|
|
|
|
if ( FAILED (sc) )
|
|
{
|
|
LogError( "InstantiateRowset error %#x can't set sql machine\n", sc );
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
XInterface<ICommandPrepare> xCommandPrepare;
|
|
sc = xCommandText->QueryInterface( IID_ICommandPrepare,
|
|
xCommandPrepare.GetQIPointer() );
|
|
if ( FAILED (sc) )
|
|
{
|
|
LogError( "InstantiateRowset error %#x, can't qi prepare\n", sc );
|
|
return 0;
|
|
}
|
|
|
|
sc = xCommandPrepare->Prepare( 1 );
|
|
if ( FAILED (sc) )
|
|
{
|
|
LogError( "InstantiateRowset error %#x, can't prepare\n", sc );
|
|
return 0;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
XInterface<ICommandTree> xCmdTree;
|
|
HRESULT sc = pCommand->QueryInterface( IID_ICommandTree,
|
|
xCmdTree.GetQIPointer() );
|
|
if (FAILED (sc) )
|
|
{
|
|
LogError( "QI for ICommandTree failed %#x\n", sc );
|
|
return 0;
|
|
}
|
|
|
|
DBCOMMANDTREE * pRoot = xTree->CastToStruct();
|
|
|
|
sc = xCmdTree->SetCommandTree( &pRoot, DBCOMMANDREUSE_NONE, FALSE);
|
|
if (FAILED (sc) )
|
|
{
|
|
LogError("SetCommandTree failed, %08x\n", sc);
|
|
return 0;
|
|
}
|
|
|
|
xTree.Acquire();
|
|
}
|
|
|
|
#ifdef GET_DATA_TOO
|
|
{
|
|
const unsigned MAX_PROPS = 8;
|
|
DBPROPSET aPropSet[MAX_PROPS];
|
|
DBPROP aProp[MAX_PROPS];
|
|
ULONG cProps = 0;
|
|
|
|
// We can handle PROPVARIANTs
|
|
|
|
aProp[cProps].dwPropertyID = DBPROP_USEEXTENDEDDBTYPES;
|
|
aProp[cProps].dwOptions = DBPROPOPTIONS_OPTIONAL;
|
|
aProp[cProps].dwStatus = 0;
|
|
aProp[cProps].colid = dbcolNull;
|
|
aProp[cProps].vValue.vt = VT_BOOL;
|
|
aProp[cProps].vValue.boolVal = VARIANT_TRUE;
|
|
|
|
aPropSet[cProps].rgProperties = &aProp[cProps];
|
|
aPropSet[cProps].cProperties = 1;
|
|
aPropSet[cProps].guidPropertySet = guidQueryExt;
|
|
|
|
cProps++;
|
|
|
|
XInterface<ICommandProperties> xCmdProp;
|
|
SCODE sc = pCommand->QueryInterface( IID_ICommandProperties,
|
|
xCmdProp.GetQIPointer() );
|
|
if (FAILED (sc) )
|
|
{
|
|
LogError( "can't qi to commandprops\n", sc );
|
|
return 0;
|
|
}
|
|
|
|
sc = xCmdProp->SetProperties( cProps, aPropSet );
|
|
|
|
if (FAILED (sc) || DB_S_ERRORSOCCURRED == sc )
|
|
{
|
|
LogError( "can't set commandprops: 0x%lx\n", sc );
|
|
return 0;
|
|
}
|
|
}
|
|
#endif // GET_DATA_TOO
|
|
|
|
#ifdef STRESS
|
|
{
|
|
const unsigned MAX_PROPS = 1;
|
|
DBPROPSET aPropSet[MAX_PROPS];
|
|
DBPROP aProp[MAX_PROPS];
|
|
ULONG cProps = 0;
|
|
|
|
// Mark the icommand as synch or asynch. Note that we always have
|
|
// to set it since we may have an old ICommand that previously had
|
|
// a different state set.
|
|
|
|
aProp[cProps].dwPropertyID = DBPROP_IDBAsynchStatus;
|
|
aProp[cProps].dwOptions = DBPROPOPTIONS_REQUIRED;
|
|
aProp[cProps].dwStatus = 0;
|
|
aProp[cProps].colid = dbcolNull;
|
|
aProp[cProps].vValue.vt = VT_BOOL;
|
|
aProp[cProps].vValue.boolVal = fAsynchronous ? VARIANT_TRUE : VARIANT_FALSE;
|
|
|
|
aPropSet[cProps].rgProperties = &aProp[cProps];
|
|
aPropSet[cProps].cProperties = 1;
|
|
aPropSet[cProps].guidPropertySet = guidRowsetProps;
|
|
|
|
cProps++;
|
|
|
|
XInterface<ICommandProperties> xCmdProp;
|
|
SCODE sc = pCommand->QueryInterface( IID_ICommandProperties,
|
|
xCmdProp.GetQIPointer() );
|
|
if (FAILED (sc) )
|
|
{
|
|
LogError( "can't qi to commandprops\n", sc );
|
|
return 0;
|
|
}
|
|
|
|
sc = xCmdProp->SetProperties( cProps, aPropSet );
|
|
|
|
if (FAILED (sc) || DB_S_ERRORSOCCURRED == sc )
|
|
{
|
|
LogError( "can't set commandprops: 0x%lx\n", sc );
|
|
return 0;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
XInterface<IRowsetScroll> xRowset;
|
|
SCODE sc = pCommand->Execute( 0, // no aggr. IUnknown
|
|
riid, // IID for i/f to return
|
|
0, // disp. params
|
|
0, // chapter
|
|
(IUnknown **) xRowset.GetPPointer() );
|
|
|
|
if ( FAILED (sc) )
|
|
{
|
|
LogError("ICommand::Execute failed, %08x\n", sc);
|
|
if ( !xRowset.IsNull() )
|
|
LogError( "pRowset is 0x%x when it should be 0\n", xRowset.GetPointer() );
|
|
}
|
|
|
|
if ( SUCCEEDED( sc ) && fAsynchronous )
|
|
{
|
|
sc = WaitForQueryCompletion( xRowset.GetPointer() );
|
|
|
|
if ( FAILED( sc ) )
|
|
xRowset.Free();
|
|
}
|
|
|
|
return xRowset.Acquire();
|
|
} //InstantiateRowset
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Function: MapColumns, public
|
|
//
|
|
// Synopsis: Map column IDs in column bindings. Create an accessor
|
|
// for the binding array.
|
|
//
|
|
// Arguments: [pUnknown] -- Interface capable of returning IColumnsInfo and
|
|
// IAccessor
|
|
// [cCols] -- number of columns in arrays
|
|
// [pBindings] -- column data binding array
|
|
// [pDbCols] -- column IDs array
|
|
//
|
|
// Returns: HACCESSOR - a read accessor for the column bindings.
|
|
//
|
|
// History: 18 May 1995 AlanW Created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
static DBORDINAL aMappedColumnIDs[20];
|
|
|
|
HACCESSOR MapColumns(
|
|
IUnknown * pUnknown,
|
|
ULONG cCols,
|
|
DBBINDING * pBindings,
|
|
const DBID * pDbCols )
|
|
{
|
|
XInterface<IColumnsInfo> xColumnsInfo;
|
|
SCODE sc = pUnknown->QueryInterface( IID_IColumnsInfo,
|
|
xColumnsInfo.GetQIPointer() );
|
|
if ( FAILED( sc ) )
|
|
{
|
|
LogError( "IUnknown::QueryInterface for IColumnsInfo returned 0x%lx\n", sc );
|
|
return 0;
|
|
}
|
|
|
|
sc = xColumnsInfo->MapColumnIDs(cCols, pDbCols, aMappedColumnIDs);
|
|
|
|
if (S_OK != sc)
|
|
{
|
|
LogError( "IColumnsInfo->MapColumnIDs returned 0x%lx\n",sc);
|
|
return 0;
|
|
}
|
|
|
|
for (ULONG i = 0; i < cCols; i++)
|
|
pBindings[i].iOrdinal = aMappedColumnIDs[i];
|
|
|
|
XInterface<IAccessor> xAccessor;
|
|
sc = pUnknown->QueryInterface( IID_IAccessor, xAccessor.GetQIPointer() );
|
|
if ( FAILED( sc ) )
|
|
{
|
|
LogError( "IRowset::QueryInterface for IAccessor returned 0x%lx\n", sc );
|
|
return 0;
|
|
}
|
|
|
|
HACCESSOR hAcc = 0;
|
|
sc = xAccessor->CreateAccessor( DBACCESSOR_ROWDATA,
|
|
cCols, pBindings, 0, &hAcc, 0 );
|
|
|
|
if (S_OK != sc)
|
|
LogError( "IAccessor->CreateAccessor returned 0x%lx\n",sc);
|
|
|
|
return hAcc;
|
|
} //MapColumns
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Function: ReleaseAccessor, public
|
|
//
|
|
// Synopsis: Release an accessor obtained from MapColumns
|
|
//
|
|
// Arguments: [pUnknown] -- Something that we can QI the IAccessor on
|
|
// [hAcc] -- Accessor handle to be released.
|
|
//
|
|
// Returns: nothing
|
|
//
|
|
// History: 14 June 1995 AlanW Created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
void ReleaseAccessor( IUnknown * pUnknown, HACCESSOR hAcc )
|
|
{
|
|
XInterface<IAccessor> xAccessor;
|
|
SCODE sc = pUnknown->QueryInterface( IID_IAccessor, xAccessor.GetQIPointer() );
|
|
if ( FAILED( sc ) )
|
|
{
|
|
LogError( "IUnknown::QueryInterface for IAccessor returned 0x%lx\n", sc );
|
|
return;
|
|
}
|
|
|
|
sc = xAccessor->ReleaseAccessor( hAcc, 0 );
|
|
|
|
if (S_OK != sc)
|
|
LogError( "IAccessor->ReleaseAccessor returned 0x%lx\n",sc);
|
|
} //ReleaseAccessor
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Function: LogError, public
|
|
//
|
|
// Synopsis: Prints a verbose-mode message.
|
|
//
|
|
// Arguments: [pszfmt] -- Format string
|
|
//
|
|
// History: 13-Jul-93 KyleP Created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
void LogError( char const * pszfmt, ... )
|
|
{
|
|
va_list pargs;
|
|
va_start(pargs, pszfmt);
|
|
vprintf( pszfmt, pargs );
|
|
va_end(pargs);
|
|
_flushall();
|
|
} //LogError
|
|
|