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   *  distributed with this work for additional information
   *  regarding copyright ownership.  The ASF licenses this file
   *  to you under the Apache License, Version 2.0 (the
   *  "License"); you may not use this file except in compliance
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  package org.apache.cayenne.dba.sybase;
  
  import org.apache.cayenne.access.translator.ejbql.EJBQLSelectTranslator;
  import org.apache.cayenne.access.translator.ejbql.EJBQLTranslationContext;
  import org.apache.cayenne.ejbql.EJBQLExpression;
  
  class SybaseEJBQLSubselectTranslator extends EJBQLSelectTranslator {
  
      boolean isExists;
  
      SybaseEJBQLSubselectTranslator(EJBQLTranslationContext context, boolean isExists) {
          super(context);
          this.isExists = isExists;
      }
  
      @Override
      public boolean visitSelectExpressions(EJBQLExpression expression) {
          if (isExists) {
              context.append(" * ");
              isExists = false;
          }
          else {
              super.visitSelectExpressions(expression);
          }
          return false;
      }
  }
  