core/src/main/java/org/apache/calcite/prepare/CalciteSqlValidator.java

/*
 * 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.prepare;

import org.apache.calcite.adapter.java.JavaTypeFactory;
import org.apache.calcite.rel.type.RelDataType;
import org.apache.calcite.sql.SqlInsert;
import org.apache.calcite.sql.SqlOperatorTable;
import org.apache.calcite.sql.validate.SqlValidatorImpl;

/** Validator.
 */
public class CalciteSqlValidator extends SqlValidatorImpl {

  public CalciteSqlValidator(SqlOperatorTable opTab,
      CalciteCatalogReader catalogReader, JavaTypeFactory typeFactory,
      Config config) {
    super(opTab, catalogReader, typeFactory, config);
  }

  @Override protected RelDataType getLogicalSourceRowType(
      RelDataType sourceRowType, SqlInsert insert) {
    final RelDataType superType =
        super.getLogicalSourceRowType(sourceRowType, insert);
    return ((JavaTypeFactory) typeFactory).toSql(superType);
  }

  @Override protected RelDataType getLogicalTargetRowType(
      RelDataType targetRowType, SqlInsert insert) {
    final RelDataType superType =
        super.getLogicalTargetRowType(targetRowType, insert);
    return ((JavaTypeFactory) typeFactory).toSql(superType);
  }
}