Purpose:
DKImageQuery is a concrete subclass of dkQuery, created by a datastore object to represent and execute a query involving image data. Image queries refer to a class of queries on the visual content of images for an approximate match with the given image query string.
Class summary:
class DKImageQuery : public dkQuery { public: DKImageQuery (dkDatastore* ds, const char* queryString); DKImageQuery (dkDatastore* ds, DKCQExpr* queryExpr); DKImageQuery(const DKImageQuery& query); virtual ~DKImageQuery(); virtual void prepare(const DKNVPair* params = 0); virtual void execute(const DKNVPair* params = 0); virtual DKQueryStatus status(); virtual DKAny result(DKBoolean fDelete = TRUE); virtual dkResultSetCursor* resultSetCursor(); virtual unsigned long numberOfResults(); };
Members:
DKImageQuery (dkDatastore* ds, const char* queryString); DKImageQuery (dkDatastore* ds, DKCQExpr* queryExpr); DKImageQuery(const DKImageQuery& query); virtual ~DKImageQuery();
virtual void prepare(const DKNVPair* params = 0):
virtual void execute(const DKNVPair* params = 0);
virtual DKQueryStatus status();
virtual DKAny result(DKBoolean fDelete = TRUE);
virtual dkResultSetCursor* resultSetCursor();
virtual unsigned long numberOfResults();
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