}
protected abstract Queryable[] getAffectedQueryables();
protected String generateIdInsertSelect(Queryable persister, String tableAlias, AST whereClause) {
Select select = new Select( getFactory().getDialect() );
SelectFragment selectFragment = new SelectFragment()
.addColumns( tableAlias, persister.getIdentifierColumnNames(), persister.getIdentifierColumnNames() );
select.setSelectClause( selectFragment.toFragmentString().substring( 2 ) );
String rootTableName = persister.getTableName();
String fromJoinFragment = persister.fromJoinFragment( tableAlias, true, false );
String whereJoinFragment = persister.whereJoinFragment( tableAlias, true, false );
select.setFromClause( rootTableName + ' ' + tableAlias + fromJoinFragment );
if ( whereJoinFragment == null ) {
whereJoinFragment = "";
}
else {
whereJoinFragment = whereJoinFragment.trim();
if ( whereJoinFragment.startsWith( "and" ) ) {
whereJoinFragment = whereJoinFragment.substring( 4 );
}
}
String userWhereClause = "";
if ( whereClause.getNumberOfChildren() != 0 ) {
// If a where clause was specified in the update/delete query, use it to limit the
// returned ids here...
try {
SqlGenerator sqlGenerator = new SqlGenerator( getFactory() );
sqlGenerator.whereClause( whereClause );
userWhereClause = sqlGenerator.getSQL().substring( 7 ); // strip the " where "
idSelectParameterSpecifications = sqlGenerator.getCollectedParameters();
}
catch ( RecognitionException e ) {
throw new HibernateException( "Unable to generate id select for DML operation", e );
}
if ( whereJoinFragment.length() > 0 ) {
whereJoinFragment += " and ";
}
}
select.setWhereClause( whereJoinFragment + userWhereClause );
InsertSelect insert = new InsertSelect( getFactory().getDialect() );
if ( getFactory().getSettings().isCommentsEnabled() ) {
insert.setComment( "insert-select for " + persister.getEntityName() + " ids" );
}