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/*
 * 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 com.hazelcast.org.apache.calcite.sql;

import com.hazelcast.org.apache.calcite.sql.parser.SqlParserPos;

import com.hazelcast.com.google.common.collect.ImmutableList;

import com.hazelcast.org.checkerframework.checker.nullness.qual.Nullable;

import java.util.List;

import static java.util.Objects.requireNonNull;

/**
 *  A SqlTableRef is a node of a parse tree which represents
 *  a table reference.
 *
 *  

It can be attached with a sql hint statement, see {@link SqlHint} for details. */ public class SqlTableRef extends SqlCall { //~ Instance fields -------------------------------------------------------- private final SqlIdentifier tableName; private final SqlNodeList hints; //~ Static fields/initializers --------------------------------------------- private static final SqlOperator OPERATOR = new SqlSpecialOperator("TABLE_REF", SqlKind.TABLE_REF) { @Override public SqlCall createCall( @Nullable SqlLiteral functionQualifier, SqlParserPos pos, @Nullable SqlNode... operands) { return new SqlTableRef(pos, (SqlIdentifier) requireNonNull(operands[0], "tableName"), (SqlNodeList) requireNonNull(operands[1], "hints")); } }; //~ Constructors ----------------------------------------------------------- public SqlTableRef(SqlParserPos pos, SqlIdentifier tableName, SqlNodeList hints) { super(pos); this.tableName = tableName; this.hints = hints; } //~ Methods ---------------------------------------------------------------- @Override public SqlOperator getOperator() { return OPERATOR; } @Override public List getOperandList() { return ImmutableList.of(tableName, hints); } @Override public void unparse(SqlWriter writer, int leftPrec, int rightPrec) { tableName.unparse(writer, leftPrec, rightPrec); if (this.hints != null && this.hints.size() > 0) { writer.getDialect().unparseTableScanHints(writer, this.hints, leftPrec, rightPrec); } } }





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