| /* |
| * 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.sysds.lops; |
| |
| import org.apache.sysds.parser.DataExpression; |
| |
| import java.util.HashMap; |
| |
| import static org.apache.sysds.common.Types.*; |
| import static org.apache.sysds.parser.DataExpression.*; |
| |
| public class Sql extends Lop { |
| private HashMap<String, Lop> _inputParams; |
| |
| public Sql(HashMap<String, Lop> inputParametersLops, DataType dt, ValueType vt) { |
| super(Lop.Type.Sql, dt, vt); |
| |
| _inputParams = inputParametersLops; |
| |
| Lop lop = inputParametersLops.get(SQL_CONN); |
| addInput(lop); |
| lop.addOutput(this); |
| lop = inputParametersLops.get(SQL_USER); |
| addInput(lop); |
| lop.addOutput(this); |
| lop = inputParametersLops.get(SQL_PASS); |
| addInput(lop); |
| lop.addOutput(this); |
| lop = inputParametersLops.get(SQL_QUERY); |
| addInput(lop); |
| lop.addOutput(this); |
| } |
| |
| @Override |
| public String getInstructions(String input1, String input2, String input3, String input4, String output) { |
| StringBuilder sb = new StringBuilder(); |
| // TODO spark |
| sb.append("CP"); |
| sb.append(OPERAND_DELIMITOR); |
| sb.append("sql"); |
| sb.append(OPERAND_DELIMITOR); |
| Lop inLop = _inputParams.get(SQL_CONN); |
| boolean literal = (inLop instanceof Data && ((Data) inLop).isLiteral()); |
| sb.append(prepOperand(input1, DataType.SCALAR, ValueType.STRING, literal)); |
| sb.append(OPERAND_DELIMITOR); |
| inLop = _inputParams.get(DataExpression.SQL_USER); |
| literal = (inLop instanceof Data && ((Data) inLop).isLiteral()); |
| sb.append(prepOperand(input2, DataType.SCALAR, ValueType.STRING, literal)); |
| sb.append(OPERAND_DELIMITOR); |
| inLop = _inputParams.get(DataExpression.SQL_PASS); |
| literal = (inLop instanceof Data && ((Data) inLop).isLiteral()); |
| sb.append(prepOperand(input3, DataType.SCALAR, ValueType.STRING, literal)); |
| sb.append(OPERAND_DELIMITOR); |
| inLop = _inputParams.get(DataExpression.SQL_QUERY); |
| literal = (inLop instanceof Data && ((Data) inLop).isLiteral()); |
| sb.append(prepOperand(input4, DataType.SCALAR, ValueType.STRING, literal)); |
| sb.append(OPERAND_DELIMITOR); |
| sb.append(prepOutputOperand(output)); |
| return sb.toString(); |
| } |
| |
| @Override |
| public String toString() { |
| // TODO Sql.toString() lop |
| return null; |
| } |
| } |