Supported variant type mapping (FAST Search Server 2010 for SharePoint)

 

Applies to: FAST Search Server 2010

When you map a crawled property into a managed property, there has to exist a supported conversion from the variant type of the crawled property into the data type specified for the managed property in Microsoft FAST Search Server 2010 for SharePoint.

Supported variant type conversions

The following variant types can be converted into the native FAST Search Server 2010 for SharePoint types. Variant types that have no mapping will be dropped during processing. For more information about variants, see PROPVARIANT Structure.

Variant Id Propvariant type FAST Search Server 2010 for SharePoint type

0

VT_EMPTY

1

VT_NULL

2

VT_I2

int,bool

3

VT_I4

int,bool

4

VT_R4

Float

5

VT_R8

decimal

6

VT_CY

int,bool

7

VT_DATE

datetime

8

VT_BSTR

string

9

VT_DISPATCH

10

VT_ERROR

11

VT_BOOL

bool

12

VT_VARIANT

13

VT_UNKNOWN

14

VT_DECIMAL

decimal

16

VT_I1

int,bool

17

VT_UI1

int,bool

18

VT_UI2

int,bool

19

VT_UI4

int,bool

20

VT_I8

int,bool

21

VT_UI8

int,bool

22

VT_INT

int,bool

23

VT_UINT

int,bool

30

VT_LPSTR

string

31

VT_LPWSTR

string

64

VT_FILETIME

datetime

72

VT_CLSID

string

Note

All variant types are masked by VT_TYPEMASK = 0xFFF prior to mapping.

See Also

Reference

New-FASTSearchMetadataCrawledPropertyMapping