content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file 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 with
   * the License.  You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.calcite.sql.fun;
  
  import org.apache.calcite.sql.SqlFunctionalOperator;
  import org.apache.calcite.sql.SqlKind;
  import org.apache.calcite.sql.type.OperandTypes;
  import org.apache.calcite.sql.type.ReturnTypes;
  import org.apache.calcite.sql.validate.SqlModality;
  
  /**
   * SqlCollectionTableOperator is the "table function derived table" operator. It
   * converts a table-valued function into a relation, e.g. "<code>SELECT * FROM
   * TABLE(ramp(5))</code>".
   *
   * <p>This operator has function syntax (with one argument), whereas
   * {@link SqlStdOperatorTable#EXPLICIT_TABLE} is a prefix operator.
   */
  public class SqlCollectionTableOperator extends SqlFunctionalOperator {
    private final SqlModality modality;
  
    //~ Constructors -----------------------------------------------------------
  
    public SqlCollectionTableOperator(String name, SqlModality modality) {
      super(name, SqlKind.COLLECTION_TABLE, 200, true, ReturnTypes.ARG0, null,
          OperandTypes.CURSOR);
      this.modality = modality;
    }
  
    //~ Methods ----------------------------------------------------------------
  
    public SqlModality getModality() {
      return modality;
    }
  }
  