How to use

SelectClause

in

org.nuxeo.ecm.core.query.sql.model

  @Override
  public void visitSelectClause(SelectClause selectClause) {
    SchemaManager schemaManager = Framework.getService(SchemaManager.class);
    for (int i = 0; i < selectClause.getSelectList().size(); i++) {
      Operand op = selectClause.get(i);
      if (!(op instanceof Reference)) {
        // ignore it
        continue;
      }
      String name = ((Reference) op).name;
      Field field = schemaManager.getField(name);
      fieldsAndTypes.put(name, field == null ? null : field.getType());
    }
  }
});

if (selectClause.isEmpty()) {
  selectClause.add(new Reference(NXQL.ECM_UUID));
boolean selectStar = selectClause.getSelectList().size() == 1
    && (selectClause.get(0).equals(new Reference(NXQL.ECM_UUID)));
boolean distinct = selectClause.isDistinct();
if (selectStar && queryAnalyzer.hasWildcardIndex) {
  distinct = true;
  selectClause.add(new Reference(NXQL.ECM_FULLTEXT_SCORE));
  reAnalyze = true;
    selectClause.add(new Reference(name));
  selectClause.accept(whereBuilder);
  whatColumns = whereBuilder.whatColumns;
  whatKeys = whereBuilder.whatKeys;

protected void walkProjection() {
  projection = new Document();
  boolean projectionOnFulltextScore = false;
  for (Operand op : selectClause.getSelectList().values()) {
    if (!(op instanceof Reference)) {
      throw new QueryParseException("Projection not supported: " + op);
    }
    FieldInfo fieldInfo = walkReference((Reference) op);
    String propertyField = fieldInfo.prop;
    if (!propertyField.equals(NXQL.ECM_UUID) //
        && !propertyField.equals(fieldInfo.projectionField) //
        && !propertyField.contains("/")) {
      propertyKeys.put(fieldInfo.projectionField, propertyField);
    }
    projection.put(fieldInfo.projectionField, ONE);
    if (propertyField.contains("*")) {
      projectionHasWildcard = true;
    }
    if (fieldInfo.projectionField.equals(KEY_FULLTEXT_SCORE)) {
      projectionOnFulltextScore = true;
    }
  }
  if (projectionOnFulltextScore || sortOnFulltextScore) {
    if (!hasFulltext) {
      throw new QueryParseException(NXQL.ECM_FULLTEXT_SCORE + " cannot be used without " + NXQL.ECM_FULLTEXT);
    }
    projection.put(KEY_FULLTEXT_SCORE, new Document(MONGODB_META, MONGODB_TEXT_SCORE));
  }
}