/*@NotNull*/
public SequenceIterator getAnother() throws XPathException {
XPathContext c2 = keyContext.newMinorContext();
return new GroupByIterator(population.getAnother(), keyExpression, c2, collator);
}
private List<?> processRow()
throws ExpressionEvaluationException, BlockedException, TeiidComponentException,
TeiidProcessingException {
List<Object> tuple = new ArrayList<Object>(projectedColumns.size());
for (XMLColumn proColumn : projectedColumns) {
if (proColumn.isOrdinal()) {
if (rowCount > Integer.MAX_VALUE) {
throw new TeiidRuntimeException(
new TeiidProcessingException(
QueryPlugin.Event.TEIID31174, QueryPlugin.Util.gs(QueryPlugin.Event.TEIID31174)));
}
tuple.add((int) rowCount);
} else {
try {
XPathExpression path = proColumn.getPathExpression();
XPathDynamicContext dynamicContext = path.createDynamicContext(item);
SequenceIterator pathIter = path.iterate(dynamicContext);
Item colItem = pathIter.next();
if (colItem == null) {
if (proColumn.getDefaultExpression() != null) {
tuple.add(
getEvaluator(Collections.emptyMap())
.evaluate(proColumn.getDefaultExpression(), null));
} else {
tuple.add(null);
}
continue;
}
if (proColumn.getSymbol().getType() == DataTypeManager.DefaultDataClasses.XML) {
XMLType value =
table
.getXQueryExpression()
.createXMLType(
pathIter.getAnother(), this.getBufferManager(), false, getContext());
tuple.add(value);
continue;
}
Item next = pathIter.next();
if (next != null) {
if (proColumn.getSymbol().getType().isArray()) {
ArrayList<Object> vals = new ArrayList<Object>();
vals.add(
getValue(
proColumn.getSymbol().getType().getComponentType(),
colItem,
this.table.getXQueryExpression().getConfig(),
getContext()));
vals.add(
getValue(
proColumn.getSymbol().getType().getComponentType(),
next,
this.table.getXQueryExpression().getConfig(),
getContext()));
while ((next = pathIter.next()) != null) {
vals.add(
getValue(
proColumn.getSymbol().getType().getComponentType(),
next,
this.table.getXQueryExpression().getConfig(),
getContext()));
}
Object value =
new ArrayImpl(
vals.toArray(
(Object[])
Array.newInstance(
proColumn.getSymbol().getType().getComponentType(),
vals.size())));
tuple.add(value);
continue;
}
throw new TeiidProcessingException(
QueryPlugin.Event.TEIID30171,
QueryPlugin.Util.gs(QueryPlugin.Event.TEIID30171, proColumn.getName()));
}
Object value =
getValue(
proColumn.getSymbol().getType(),
colItem,
this.table.getXQueryExpression().getConfig(),
getContext());
tuple.add(value);
} catch (XPathException e) {
throw new TeiidProcessingException(
QueryPlugin.Event.TEIID30172,
e,
QueryPlugin.Util.gs(QueryPlugin.Event.TEIID30172, proColumn.getName()));
}
}
}
item = null;
return tuple;
}
