oledb32: Add CanConvert support for DBTYPE_FILETIME.

dlls/oledb32/convert.c

@@ -452,6 +452,7 @@ static HRESULT WINAPI convert_CanConvert(IDataConvert* iface,
         {
         case DBTYPE_DATE:
         case DBTYPE_GUID:
+        case DBTYPE_FILETIME:
             return S_OK;
         default:
             if(dst_base_type == DBTYPE_DBTIMESTAMP) return S_OK;
@@ -462,7 +463,8 @@ static HRESULT WINAPI convert_CanConvert(IDataConvert* iface,
         switch(dst_base_type)
         {
         case DBTYPE_NULL:
-        case DBTYPE_VARIANT: return S_OK;
+        case DBTYPE_VARIANT:
+        case DBTYPE_FILETIME: return S_OK;
         default: return S_FALSE;
         }
 
@@ -486,8 +488,12 @@ static HRESULT WINAPI convert_CanConvert(IDataConvert* iface,
 
     case DBTYPE_I8:
         if(common_class(dst_class)) return S_OK;
-        if(dst_base_type == DBTYPE_BYTES) return S_OK;
-        return S_FALSE;
+        switch(dst_base_type)
+        {
+        case DBTYPE_BYTES:
+        case DBTYPE_FILETIME: return S_OK;
+        default: return S_FALSE;
+        }
 
     case DBTYPE_DATE:
         switch(dst_class)
@@ -502,6 +508,7 @@ static HRESULT WINAPI convert_CanConvert(IDataConvert* iface,
         case DBTYPE_I8:
         case DBTYPE_DATE:
         case DBTYPE_DBDATE:
+        case DBTYPE_FILETIME:
             return S_OK;
         default: return S_FALSE;
         }
@@ -524,6 +531,7 @@ static HRESULT WINAPI convert_CanConvert(IDataConvert* iface,
         case DBTYPE_GUID:
         case DBTYPE_BYTES:
         case DBTYPE_DBDATE:
+        case DBTYPE_FILETIME:
             return S_OK;
         default: return S_FALSE;
         }
@@ -567,6 +575,9 @@ static HRESULT WINAPI convert_CanConvert(IDataConvert* iface,
         default: return S_FALSE;
         }
 
+    case DBTYPE_FILETIME:
+        if(dst_class == DBTYPE_I8) return S_OK;
+        /* fall through */
     case DBTYPE_DBDATE:
         switch(dst_class)
         {
@@ -576,6 +587,7 @@ static HRESULT WINAPI convert_CanConvert(IDataConvert* iface,
         case DBTYPE_BSTR:
         case DBTYPE_VARIANT:
         case DBTYPE_DBDATE:
+        case DBTYPE_FILETIME:
             return S_OK;
         default: return S_FALSE;
         }

dlls/oledb32/tests/convert.c

@@ -150,22 +150,22 @@ struct can_convert
     DWORD can_convert_to;
 } simple_convert[] =
 {
-    {DBTYPE_EMPTY,       0x23bfd9ff},
-    {DBTYPE_NULL,        0x00001002},
+    {DBTYPE_EMPTY,       0x63bfd9ff},
+    {DBTYPE_NULL,        0x40001002},
     {DBTYPE_I2,          0x3b9fd9ff},
     {DBTYPE_I4,          0x3bdfd9ff},
 
     {DBTYPE_R4,          0x3b9fd9ff},
     {DBTYPE_R8,          0x3b9fd9ff},
     {DBTYPE_CY,          0x039fd97f},
-    {DBTYPE_DATE,        0x399f99bf},
+    {DBTYPE_DATE,        0x799f99bf},
 
-    {DBTYPE_BSTR,        0x3bffd9ff},
-    {DBTYPE_IDISPATCH,   0x3bffffff},
+    {DBTYPE_BSTR,        0x7bffd9ff},
+    {DBTYPE_IDISPATCH,   0x7bffffff},
     {DBTYPE_ERROR,       0x01001500},
     {DBTYPE_BOOL,        0x039fd9ff},
 
-    {DBTYPE_VARIANT,     0x3bffffff},
+    {DBTYPE_VARIANT,     0x7bffffff},
     {DBTYPE_IUNKNOWN,    0x00003203},
     {DBTYPE_DECIMAL,     0x3b9fd97f},
     {DBTYPE_I1,          0x3b9fd9ff},
@@ -173,20 +173,21 @@ struct can_convert
     {DBTYPE_UI1,         0x3b9fd9ff},
     {DBTYPE_UI2,         0x3b9fd9ff},
     {DBTYPE_UI4,         0x3bdfd9ff},
-    {DBTYPE_I8,          0x03dfd97f},
+    {DBTYPE_I8,          0x43dfd97f},
 
-    {DBTYPE_UI8,         0x03dfd97f},
+    {DBTYPE_UI8,         0x43dfd97f},
     {DBTYPE_GUID,        0x01e01103},
     {DBTYPE_BYTES,       0x01fc110b},
-    {DBTYPE_STR,         0x3bffd9ff},
+    {DBTYPE_STR,         0x7bffd9ff},
 
-    {DBTYPE_WSTR,        0x3bffd9ff},
+    {DBTYPE_WSTR,        0x7bffd9ff},
     {DBTYPE_NUMERIC,     0x039fd97f},
     {DBTYPE_UDT,         0x00000000},
-    {DBTYPE_DBDATE,      0x39801183},
+    {DBTYPE_DBDATE,      0x79801183},
 
-    {DBTYPE_DBTIME,      0x39801183},
-    {DBTYPE_DBTIMESTAMP, 0x39801183}
+    {DBTYPE_DBTIME,      0x79801183},
+    {DBTYPE_DBTIMESTAMP, 0x79801183},
+    {DBTYPE_FILETIME,    0x79981183}
 };