package railo.runtime.functions.query;
import java.util.Iterator;
import railo.runtime.PageContext;
import railo.runtime.config.NullSupportHelper;
import railo.runtime.exp.PageException;
import railo.runtime.functions.BIF;
import railo.runtime.op.Caster;
import railo.runtime.type.Array;
import railo.runtime.type.ArrayImpl;
import railo.runtime.type.KeyImpl;
import railo.runtime.type.Query;
import railo.runtime.type.QueryColumn;
import railo.runtime.type.UDF;
public class QueryColumnData extends BIF {
private static final long serialVersionUID = 3915214686428831274L;
public static Array call(PageContext pc, Query query, String columnName) throws PageException {
return call(pc, query, columnName, null);
}
public static Array call(PageContext pc, Query query, String columnName, UDF udf) throws PageException {
Array arr=new ArrayImpl();
QueryColumn column = query.getColumn(KeyImpl.init(columnName));
Iterator<Object> it = column.valueIterator();
Object value;
while(it.hasNext()) {
value=it.next();
if(!NullSupportHelper.full() && value==null) value="";
if(udf!=null)arr.append(udf.call(pc, new Object[]{value}, true));
else arr.append(value);
}
return arr;
}
@Override
public Object invoke(PageContext pc, Object[] args) throws PageException {
if(args.length==2)return call(pc,Caster.toQuery(args[0]),Caster.toString(args[1]));
return call(pc,Caster.toQuery(args[0]),Caster.toString(args[1]),Caster.toFunction(args[2]));
}
}