private RelOptTableImpl getTableFrom(List<String> names, List<String> schemaNames) {
OptiqSchema schema = getSchema(Iterables.concat(schemaNames, Util.skipLast(names)));
if (schema == null) {
return null;
}
final String name = Util.last(names);
Pair<String, Table> pair = schema.getTable(name, caseSensitive);
if (pair == null) {
pair = schema.getTableBasedOnNullaryFunction(name, caseSensitive);
}
if (pair != null) {
final Table table = pair.getValue();
final String name2 = pair.getKey();
return RelOptTableImpl.create(this, table.getRowType(typeFactory), schema.add(name2, table));
}
return null;
}
