This document is archived and information here might be outdated. Recommended version. |
Provides access to the associated query definition. Note: the IQueryName interface has been superseded byIQueryName2. Please consider using the more recent version.
Name | Description | |
---|---|---|
QueryDef | QueryDef of feature class name. |
CoClasses and Classes | Description |
---|---|
FeatureQueryName | Esri Feature Query Name object. |
TableQueryName | Esri Table Query Name object. |
public void IQueryName__(IWorkspace workspace)
{
IFeatureWorkspace featureWorkspace=(IFeatureWorkspace)workspace;
IQueryDef queryDef=featureWorkspace.CreateQueryDef();
//examples of query def construction
//Valid sub fields
queryDef.SubFields="Parcel.Area, Parcel.Parcel_ID";
//Invalid sub fields
//queryDef.SubFields="max(Parcel.Area) as Max_Area";
//Valid tables
queryDef.Tables="Parcels, Owners";
//Invalid tables
//queryDef.Tables="Parcels p, Owners o";
//queryDef.Tables="Owners INNER JOIN parcels ON Owners.Parcel_id=parcels.Parcel_id";
//Valid where clause
queryDef.WhereClause="Owner.Name like '%Smith%' and Owner.Address like '%Main Street%'";
//Invalid where clause
//queryDef.WhereClause="Owner.Name like '%Smith%' group by Owner.City_Address";
//set QueryDef property
IQueryName queryName=new TableQueryNameClass();
queryName.QueryDef=queryDef;
}