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.arrow.driver.jdbc.converter.impl;
  
  import org.apache.arrow.driver.jdbc.converter.AvaticaParameterConverter;
  import org.apache.arrow.driver.jdbc.utils.SqlTypes;
  import org.apache.arrow.vector.types.pojo.ArrowType;
  import org.apache.arrow.vector.types.pojo.Field;
  import org.apache.calcite.avatica.AvaticaParameter;
  import org.apache.calcite.avatica.SqlType;
  
  /**
   * Base AvaticaParameterConverter with a generic createParameter method that can be used by most
   * Arrow types.
   */
  abstract class BaseAvaticaParameterConverter implements AvaticaParameterConverter {
    protected AvaticaParameter createParameter(Field field, boolean signed) {
      final String name = field.getName();
      final ArrowType arrowType = field.getType();
      final String typeName = arrowType.toString();
      final int precision = 0; // Would have to know about the actual number
      final int scale =
          0; // According to https://www.postgresql.org/docs/current/datatype-numeric.html
      final int jdbcType = SqlTypes.getSqlTypeIdFromArrowType(arrowType);
      final String className = SqlType.valueOf(jdbcType).clazz.getCanonicalName();
      return new AvaticaParameter(signed, precision, scale, jdbcType, typeName, className, name);
    }
  }
  