Examples with LanguageVisitor org.teiid.query.sql.LanguageVisitor used on opensource projects

Example 6 with LanguageVisitor

use of org.teiid.query.sql.LanguageVisitor in project teiid by teiid.

the class QueryRewriter method removeAlias.

/**
 * For backwards compatibility we strip the alias from delete/update
 * @param command
 * @param group
 */
private void removeAlias(ProcedureContainer command, GroupSymbol group) {
    AliasGenerator ag = new AliasGenerator(true);
    ag.setCorrelationGroups(Arrays.asList(group.getDefinition()));
    command.acceptVisitor(ag);
    final GroupSymbol clone = group.clone();
    DeepPostOrderNavigator.doVisit(command, new LanguageVisitor() {

        public void visit(GroupSymbol obj) {
            if (obj.equals(clone) && obj.getMetadataID() == group.getMetadataID()) {
                obj.setName(obj.getDefinition());
                obj.setDefinition(null);
            }
        }
    });
}