| /* |
| * 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.phoenix.compile; |
| |
| import static org.apache.phoenix.util.TestUtil.TEST_PROPERTIES; |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| import java.sql.DriverManager; |
| import java.sql.SQLException; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.apache.hadoop.hbase.client.Scan; |
| import org.apache.phoenix.jdbc.PhoenixConnection; |
| import org.apache.phoenix.jdbc.PhoenixPreparedStatement; |
| import org.apache.phoenix.query.BaseConnectionlessQueryTest; |
| import org.apache.phoenix.schema.types.PVarchar; |
| import org.apache.phoenix.util.ByteUtil; |
| import org.apache.phoenix.util.PropertiesUtil; |
| import org.apache.phoenix.util.TestUtil; |
| import org.junit.Test; |
| |
| |
| public class LimitCompilerTest extends BaseConnectionlessQueryTest { |
| |
| private static QueryPlan compileStatement(String query, List<Object> binds) throws SQLException { |
| PhoenixConnection pconn = DriverManager.getConnection(getUrl(), PropertiesUtil.deepCopy(TEST_PROPERTIES)).unwrap(PhoenixConnection.class); |
| PhoenixPreparedStatement pstmt = new PhoenixPreparedStatement(pconn, query); |
| TestUtil.bindParams(pstmt, binds); |
| return pstmt.compileQuery(); |
| } |
| |
| @Test |
| public void testLimit() throws SQLException { |
| String tenantId = "000000000000001"; |
| String query = "select * from atable where organization_id='" + tenantId + "' limit 5"; |
| List<Object> binds = Collections.emptyList(); |
| QueryPlan plan = compileStatement(query, binds); |
| Scan scan = plan.getContext().getScan(); |
| |
| assertNull(scan.getFilter()); |
| assertArrayEquals(PVarchar.INSTANCE.toBytes(tenantId), scan.getStartRow()); |
| assertArrayEquals(ByteUtil.nextKey(PVarchar.INSTANCE.toBytes(tenantId)), scan.getStopRow()); |
| assertEquals(plan.getLimit(),Integer.valueOf(5)); |
| } |
| |
| @Test |
| public void testNoLimit() throws SQLException { |
| String tenantId = "000000000000001"; |
| String query = "select * from atable where organization_id='" + tenantId + "'"; |
| List<Object> binds = Collections.emptyList(); |
| QueryPlan plan = compileStatement(query, binds); |
| Scan scan = plan.getContext().getScan(); |
| |
| assertNull(scan.getFilter()); |
| assertNull(plan.getLimit()); |
| assertArrayEquals(PVarchar.INSTANCE.toBytes(tenantId), scan.getStartRow()); |
| assertArrayEquals(ByteUtil.nextKey(PVarchar.INSTANCE.toBytes(tenantId)), scan.getStopRow()); |
| } |
| |
| @Test |
| public void testBoundLimit() throws SQLException { |
| String tenantId = "000000000000001"; |
| String query = "select * from atable where organization_id='" + tenantId + "' limit ?"; |
| List<Object> binds = Arrays.<Object>asList(5); |
| QueryPlan plan = compileStatement(query, binds); |
| Scan scan = plan.getContext().getScan(); |
| |
| assertNull(scan.getFilter()); |
| assertArrayEquals(PVarchar.INSTANCE.toBytes(tenantId), scan.getStartRow()); |
| assertArrayEquals(ByteUtil.nextKey(PVarchar.INSTANCE.toBytes(tenantId)), scan.getStopRow()); |
| assertEquals(plan.getLimit(),Integer.valueOf(5)); |
| } |
| |
| @Test |
| public void testTypeMismatchBoundLimit() throws SQLException { |
| String query = "select * from atable limit ?"; |
| List<Object> binds = Arrays.<Object>asList("foo"); |
| try { |
| compileStatement(query, binds); |
| fail(); |
| } catch (SQLException e) { |
| assertTrue(e.getMessage().contains("Type mismatch")); |
| } |
| } |
| |
| @Test |
| public void testNegativeBoundLimit() throws SQLException { |
| String query = "select * from atable limit ?"; |
| List<Object> binds = Arrays.<Object>asList(-1); |
| QueryPlan plan = compileStatement(query, binds); |
| assertNull(plan.getLimit()); |
| } |
| |
| @Test |
| public void testBindTypeMismatch() throws SQLException { |
| Long tenantId = Long.valueOf(0); |
| String keyPrefix = "002"; |
| List<Object> binds = Arrays.<Object>asList(tenantId,keyPrefix); |
| String query = "select * from atable where organization_id=? and substr(entity_id,1,3)=?"; |
| try { |
| compileStatement(query, binds); |
| fail(); |
| } catch (SQLException e) { |
| assertTrue(e.getMessage(), e.getMessage().contains("ERROR 203 (22005): Type mismatch.")); |
| } |
| } |
| } |