OpenAccess SDK SQL Engine core methods for .NET : Methods for .NET reference : dam_getValueTypeOfExp

dam_getValueTypeOfExp

This method gets the value type of the argument passed into a scalar method implemented by the IP. This method is used when the output type of the scalar method is to be determined based on one of the arguments’ types.

Use the methods dam_getFirstValExp and dam_getNextValExp to step through the argument list.

int dam_getValueTypeOfExp(

int64 pMemTree,

int64 hValExpList,

int64 hValExp)

Table 188: Parameters for dam_ValueTypeOfExp
Parameter	Type	Description
IN
pMemTree	int64	The memory tree to use for temporary storage
hValExpList	int64	The list of arguments as passed into the scalar function
hValExp	int64	The argument for which you want to retrieve the data
RETURN
	int	The data type of the value expression. See Table 33.

dam_getValueTypeOfExp

See also