| /* |
| * 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.h2; |
| |
| import java.util.List; |
| import org.apache.ignite.cache.query.SqlFieldsQuery; |
| import org.apache.ignite.internal.processors.odbc.jdbc.JdbcParameterMeta; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * Result of parsing and splitting SQL from {@link SqlFieldsQuery}. |
| */ |
| public class QueryParserResult { |
| /** Query descriptor. */ |
| private final QueryDescriptor qryDesc; |
| |
| /** Query parameters. */ |
| private final QueryParameters qryParams; |
| |
| /** Remaining query. */ |
| private final SqlFieldsQuery remainingQry; |
| |
| /** Metadata for the positional query parameters ('?'). */ |
| private final List<JdbcParameterMeta> paramsMeta; |
| |
| /** Select. */ |
| private final QueryParserResultSelect select; |
| |
| /** DML. */ |
| private final QueryParserResultDml dml; |
| |
| /** Command. */ |
| private final QueryParserResultCommand cmd; |
| |
| /** |
| * Constructor. |
| * |
| * @param qryDesc Query descriptor. |
| * @param qryParams Query parameters. |
| * @param remainingQry Remaining query. |
| * @param paramsMeta metadata info about positional parameters of current parsed query (not includes remainingSql). |
| * @param select Select. |
| * @param dml DML. |
| * @param cmd Command. |
| */ |
| public QueryParserResult( |
| QueryDescriptor qryDesc, |
| QueryParameters qryParams, |
| SqlFieldsQuery remainingQry, |
| @NotNull List<JdbcParameterMeta> paramsMeta, |
| @Nullable QueryParserResultSelect select, |
| @Nullable QueryParserResultDml dml, |
| @Nullable QueryParserResultCommand cmd |
| ) { |
| assert paramsMeta != null; |
| |
| this.qryDesc = qryDesc; |
| this.qryParams = qryParams; |
| this.remainingQry = remainingQry; |
| this.paramsMeta = paramsMeta; |
| this.select = select; |
| this.dml = dml; |
| this.cmd = cmd; |
| } |
| |
| /** |
| * @return Query descriptor. |
| */ |
| public QueryDescriptor queryDescriptor() { |
| return qryDesc; |
| } |
| |
| /** |
| * @return Query parameters. |
| */ |
| public QueryParameters queryParameters() { |
| return qryParams; |
| } |
| |
| /** |
| * @return Remaining query. |
| */ |
| @Nullable public SqlFieldsQuery remainingQuery() { |
| return remainingQry; |
| } |
| |
| /** |
| * @return SELECT. |
| */ |
| @Nullable public QueryParserResultSelect select() { |
| return select; |
| } |
| |
| /** |
| * @return DML. |
| */ |
| @Nullable public QueryParserResultDml dml() { |
| return dml; |
| } |
| |
| /** |
| * @return Command. |
| */ |
| @Nullable public QueryParserResultCommand command() { |
| return cmd; |
| } |
| |
| /** |
| * @return Check whether this is SELECT. |
| */ |
| public boolean isSelect() { |
| return select != null; |
| } |
| |
| /** |
| * @return Check whether this is DML. |
| */ |
| public boolean isDml() { |
| return dml != null; |
| } |
| |
| /** |
| * @return Check whether this is a command. |
| */ |
| public boolean isCommand() { |
| return cmd != null; |
| } |
| |
| /** |
| * @return Number of current statement parameters. |
| */ |
| public int parametersCount() { |
| return paramsMeta.size(); |
| } |
| |
| /** |
| * @return Descriptions of each query parameter of current statement. Empty list in case of native command, never |
| * {@code null}. |
| */ |
| @NotNull public List<JdbcParameterMeta> parametersMeta() { |
| return paramsMeta; |
| } |
| } |