/*
* 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.apache.phoenix.util.TestUtil.and;
import static org.apache.phoenix.util.TestUtil.constantComparison;
import static org.apache.phoenix.util.TestUtil.multiKVFilter;
import static org.apache.phoenix.util.TestUtil.singleKVFilter;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import java.sql.DriverManager;
import java.sql.SQLException;
import org.apache.hadoop.hbase.filter.CompareFilter.CompareOp;
import org.apache.hadoop.hbase.filter.Filter;
import org.apache.phoenix.jdbc.PhoenixConnection;
import org.apache.phoenix.jdbc.PhoenixPreparedStatement;
import org.apache.phoenix.query.BaseConnectionlessQueryTest;
import org.apache.phoenix.util.PropertiesUtil;
import org.junit.Test;
public class SelectStatementRewriterTest extends BaseConnectionlessQueryTest {
private static Filter compileStatement(String query) throws SQLException {
PhoenixConnection pconn = DriverManager.getConnection(getUrl(), PropertiesUtil.deepCopy(TEST_PROPERTIES)).unwrap(PhoenixConnection.class);
PhoenixPreparedStatement pstmt = new PhoenixPreparedStatement(pconn, query);
QueryPlan plan = pstmt.compileQuery();
return plan.getContext().getScan().getFilter();
}
@Test
public void testCollapseAnd() throws SQLException {
String tenantId = "000000000000001";
String query = "select * from atable where organization_id='" + tenantId + "' and a_integer=0";
Filter filter = compileStatement(query);
assertEquals(
singleKVFilter(constantComparison(
CompareOp.EQUAL,
A_INTEGER,
0)),
filter);
}
@Test
public void testLHSLiteralCollapseAnd() throws SQLException {
String tenantId = "000000000000001";
String query = "select * from atable where '" + tenantId + "'=organization_id and 0=a_integer";
Filter filter = compileStatement(query);
assertEquals(
singleKVFilter(constantComparison(
CompareOp.EQUAL,
A_INTEGER,
0)),
filter);
}
@Test
public void testRewriteAnd() throws SQLException {
String tenantId = "000000000000001";
String query = "select * from atable where organization_id='" + tenantId + "' and a_integer=0 and a_string='foo'";
Filter filter = compileStatement(query);
assertEquals(
multiKVFilter(and(
constantComparison(
CompareOp.EQUAL,
A_INTEGER, 0),
constantComparison(
CompareOp.EQUAL,
A_STRING, "foo")
)),
filter);
}
@Test
public void testCollapseWhere() throws SQLException {
String tenantId = "000000000000001";
String query = "select * from atable where organization_id='" + tenantId + "' and substr(organization_id,1,3)='foo' LIMIT 2";
Filter filter = compileStatement(query);
assertNull(filter);
}
@Test
public void testNoCollapse() throws SQLException {
String query = "select * from atable where a_integer=0 and a_string='foo'";
Filter filter = compileStatement(query);
assertEquals(
multiKVFilter(and(
constantComparison(
CompareOp.EQUAL,
A_INTEGER, 0),
constantComparison(
CompareOp.EQUAL,
A_STRING, "foo")
)),
filter);
}
}