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Oracle® Objects for OLE C++ Class Library Developer's Guide
10g Release 2 (10.2)

Part Number B14308-01
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OField

A field object represents a single column of data in a single record. OField objects are not independently opened; rather, you get them from an ODynaset. When navigation occurs on the dynaset, the OField object's value changes to the value of the column in the new current record. OFields are convenient because they always reflect the value of the field in the current record. (In some cases, however, you may find it more straightforward to manipulate field values directly from the ODynaset using the GetFieldValue and SetFieldValue methods.) OField is a subclass of OOracleObject.

You can get OField objects from either an ODynaset or OFieldCollection object, using the GetField method.

The OField class supports the following methods:

Construction and destruction:

OField

~OField

operator=

Attributes:

operator==
operator!=
GetName
GetOriginalName
GetPrecision
GetScale
GetServerSize
GetServerType
GetSize


GetXMLAsAttribute
GetXMLTagName
IsNullOK
IsOpen
IsTruncated
SetXMLAsAttribute
SetXMLTagName

Operations:
AppendChunk
Close
GetChunk
GetDynaset
GetValue
operator const char *
operator double
operator int
operator long

operator OBfile
operator OBlob
operator OClob
operator OCollection
operator OObject
operator ORef
SetValue
Error Handling:

ErrorNumber

ErrorReset

GetErrorText

LookupErrorText