| /* |
| * 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.ignite.internal.processors.query; |
| |
| import java.io.Externalizable; |
| |
| /** |
| * Query field descriptor. This descriptor is used to provide metadata |
| * about fields returned in query result. |
| */ |
| public interface GridQueryFieldMetadata extends Externalizable { |
| /** |
| * Gets schema name. |
| * |
| * @return Schema name. |
| */ |
| public String schemaName(); |
| |
| /** |
| * Gets name of type to which this field belongs. |
| * |
| * @return Type name. |
| */ |
| public String typeName(); |
| |
| /** |
| * Gets field name. |
| * |
| * @return Field name. |
| */ |
| public String fieldName(); |
| |
| /** |
| * Gets field type name. |
| * |
| * @return Field type name. |
| */ |
| public String fieldTypeName(); |
| |
| /** |
| * Gets field precision. |
| * |
| * @return Field precision. |
| */ |
| public int precision(); |
| |
| /** |
| * Gets field scale. |
| * |
| * @return Field scale. |
| */ |
| public int scale(); |
| |
| /** |
| * Gets field nullability. |
| * |
| * See {@link java.sql.ResultSetMetaData#isNullable(int)} for more info. |
| * |
| * @return Field nullability. |
| */ |
| public int nullability(); |
| } |