| /* |
| * 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.sql; |
| |
| import java.util.List; |
| import org.h2.util.StatementBuilder; |
| |
| /** */ |
| public class GridSqlMerge extends GridSqlStatement { |
| /** */ |
| private GridSqlElement into; |
| |
| /** */ |
| private GridSqlColumn[] cols; |
| |
| /** */ |
| private List<GridSqlElement[]> rows; |
| |
| /** Insert subquery. */ |
| private GridSqlQuery qry; |
| |
| /** {@inheritDoc} */ |
| @Override public String getSQL() { |
| StatementBuilder buff = new StatementBuilder(explain() ? "EXPLAIN " : ""); |
| buff.append("MERGE INTO ") |
| .append(into.getSQL()) |
| .append("("); |
| |
| for (GridSqlColumn col : cols) { |
| buff.appendExceptFirst(", "); |
| buff.append('\n') |
| .append(col.getSQL()); |
| } |
| buff.append("\n)\n"); |
| |
| if (!rows.isEmpty()) { |
| buff.append("VALUES\n"); |
| StatementBuilder valuesBuff = new StatementBuilder(); |
| |
| for (GridSqlElement[] row : rows()) { |
| valuesBuff.appendExceptFirst(",\n"); |
| StatementBuilder rowBuff = new StatementBuilder("("); |
| for (GridSqlElement e : row) { |
| rowBuff.appendExceptFirst(", "); |
| rowBuff.append(e != null ? e.getSQL() : "DEFAULT"); |
| } |
| rowBuff.append(')'); |
| valuesBuff.append(rowBuff.toString()); |
| } |
| buff.append(valuesBuff.toString()); |
| } |
| else |
| buff.append('\n') |
| .append(qry.getSQL()); |
| |
| return buff.toString(); |
| } |
| |
| /** */ |
| public GridSqlElement into() { |
| return into; |
| } |
| |
| /** */ |
| public GridSqlMerge into(GridSqlElement from) { |
| this.into = from; |
| return this; |
| } |
| |
| /** */ |
| public List<GridSqlElement[]> rows() { |
| return rows; |
| } |
| |
| /** */ |
| public GridSqlMerge rows(List<GridSqlElement[]> rows) { |
| assert rows != null; |
| this.rows = rows; |
| return this; |
| } |
| |
| /** */ |
| public GridSqlQuery query() { |
| return qry; |
| } |
| |
| /** */ |
| public GridSqlMerge query(GridSqlQuery qry) { |
| this.qry = qry; |
| return this; |
| } |
| |
| /** */ |
| public GridSqlColumn[] columns() { |
| return cols; |
| } |
| |
| /** */ |
| public GridSqlMerge columns(GridSqlColumn[] cols) { |
| this.cols = cols; |
| return this; |
| } |
| } |