public SqlRexConvertlet get(SqlCall call) {
    SqlRexConvertlet convertlet;
    final SqlOperator op = call.getOperator();

    // Is there a convertlet for this operator
    // (e.g. SqlStdOperatorTable.plusOperator)?
    convertlet = (SqlRexConvertlet) map.get(op);
    if (convertlet != null) {
      return convertlet;
    }

    // Is there a convertlet for this class of operator
    // (e.g. SqlBinaryOperator)?
    Class<? extends Object> clazz = op.getClass();
    while (clazz != null) {
      convertlet = (SqlRexConvertlet) map.get(clazz);
      if (convertlet != null) {
        return convertlet;
      }
      clazz = clazz.getSuperclass();
    }

    // Is there a convertlet for this class of expression
    // (e.g. SqlCall)?
    clazz = call.getClass();
    while (clazz != null) {
      convertlet = (SqlRexConvertlet) map.get(clazz);
      if (convertlet != null) {
        return convertlet;
      }
      clazz = clazz.getSuperclass();
    }
    return null;
  }
Ejemplo n.º 2
0
 public List<SqlMoniker> getAllSchemaObjectNames(List<String> names) {
   List<SqlMoniker> result;
   switch (names.size()) {
     case 0:
       // looking for schema names
       result = new ArrayList<SqlMoniker>();
       for (MockSchema schema : schemas.values()) {
         result.add(new SqlMonikerImpl(schema.name, SqlMonikerType.Schema));
       }
       return result;
     case 1:
       // looking for table names in the given schema
       MockSchema schema = schemas.get(names.get(0));
       if (schema == null) {
         return Collections.emptyList();
       }
       result = new ArrayList<SqlMoniker>();
       for (String tableName : schema.tableNames) {
         result.add(new SqlMonikerImpl(tableName, SqlMonikerType.Table));
       }
       return result;
     default:
       return Collections.emptyList();
   }
 }