return new int[ getPropertySpan() ];
}
protected String generateSubquery(PersistentClass model, Mapping mapping) {
Dialect dialect = getFactory().getDialect();
Settings settings = getFactory().getSettings();
if ( !model.hasSubclasses() ) {
return model.getTable().getQualifiedName(
dialect,
settings.getDefaultCatalogName(),
settings.getDefaultSchemaName()
);
}
HashSet columns = new LinkedHashSet();
Iterator titer = model.getSubclassTableClosureIterator();
while ( titer.hasNext() ) {
Table table = (Table) titer.next();
if ( !table.isAbstractUnionTable() ) {
Iterator citer = table.getColumnIterator();
while ( citer.hasNext() ) columns.add( citer.next() );
}
}
StringBuilder buf = new StringBuilder()
.append("( ");
Iterator siter = new JoinedIterator(
new SingletonIterator(model),
model.getSubclassIterator()
);
while ( siter.hasNext() ) {
PersistentClass clazz = (PersistentClass) siter.next();
Table table = clazz.getTable();
if ( !table.isAbstractUnionTable() ) {
//TODO: move to .sql package!!
buf.append("select ");
Iterator citer = columns.iterator();
while ( citer.hasNext() ) {
Column col = (Column) citer.next();
if ( !table.containsColumn(col) ) {
int sqlType = col.getSqlTypeCode(mapping);
buf.append( dialect.getSelectClauseNullString(sqlType) )
.append(" as ");
}
buf.append( col.getQuotedName(dialect) );
buf.append(", ");
}
buf.append( clazz.getSubclassId() )
.append(" as clazz_");
buf.append(" from ")
.append( table.getQualifiedName(
dialect,
settings.getDefaultCatalogName(),
settings.getDefaultSchemaName()
) );
buf.append(" union ");
if ( dialect.supportsUnionAll() ) {
buf.append("all ");
}
}
}
if ( buf.length() > 2 ) {
//chop the last union (all)
buf.setLength( buf.length() - ( dialect.supportsUnionAll() ? 11 : 7 ) );
}
return buf.append(" )").toString();
}