phoenix-core/src/it/java/org/apache/phoenix/end2end/salted/SaltedTableUpsertSelectIT.java

/*
 * 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.end2end.salted;

import static org.apache.phoenix.util.TestUtil.TEST_PROPERTIES;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Properties;

import org.apache.phoenix.end2end.ParallelStatsDisabledIT;
import org.apache.phoenix.util.PropertiesUtil;
import org.junit.Test;


public class SaltedTableUpsertSelectIT extends ParallelStatsDisabledIT {

    @Test
    public void testUpsertIntoSaltedTableFromNormalTable() throws Exception {
        Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES);
        Connection conn = DriverManager.getConnection(getUrl(), props);
        conn.setAutoCommit(false);
        try {
            String source = generateUniqueName();
            String ddl = "CREATE TABLE IF NOT EXISTS " + source +
                    " (pk VARCHAR NOT NULL PRIMARY KEY, col INTEGER)";
            createTestTable(getUrl(), ddl);
            String target = generateUniqueName();
            ddl = "CREATE TABLE IF NOT EXISTS " + target +
                    " (pk VARCHAR NOT NULL PRIMARY KEY, col INTEGER) SALT_BUCKETS=4";
            createTestTable(getUrl(), ddl);
            
            String query = "UPSERT INTO " + source + "(pk, col) VALUES(?,?)";
            PreparedStatement stmt = conn.prepareStatement(query);
            stmt.setString(1, "1");
            stmt.setInt(2, 1);
            stmt.execute();
            conn.commit();
            
            query = "UPSERT INTO " + target + "(pk, col) SELECT pk, col from " + source;
            stmt = conn.prepareStatement(query);
            stmt.execute();
            conn.commit();
            
            query = "SELECT * FROM " + target;
            stmt = conn.prepareStatement(query);
            ResultSet rs = stmt.executeQuery();
            assertTrue(rs.next());
            assertEquals("1", rs.getString(1));
            assertEquals(1, rs.getInt(2));
            assertFalse(rs.next());
        } finally {
            conn.close();
        }
    }

    @Test
    public void testUpsertIntoNormalTableFromSaltedTable() throws Exception {
        Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES);
        Connection conn = DriverManager.getConnection(getUrl(), props);
        conn.setAutoCommit(false);
        try {
            String source = generateUniqueName();
            String ddl = "CREATE TABLE IF NOT EXISTS " + source +
                    " (pk VARCHAR NOT NULL PRIMARY KEY, col INTEGER) SALT_BUCKETS=4";
            createTestTable(getUrl(), ddl);
            String target = generateUniqueName();
            ddl = "CREATE TABLE IF NOT EXISTS " + target +
                    " (pk VARCHAR NOT NULL PRIMARY KEY, col INTEGER)";
            createTestTable(getUrl(), ddl);
            
            String query = "UPSERT INTO " + source + "(pk, col) VALUES(?,?)";
            PreparedStatement stmt = conn.prepareStatement(query);
            stmt.setString(1, "1");
            stmt.setInt(2, 1);
            stmt.execute();
            conn.commit();
            query = "UPSERT INTO " + target + "(pk, col) SELECT pk, col from " + source;
            stmt = conn.prepareStatement(query);
            stmt.execute();
            conn.commit();
            analyzeTable(conn, source);
            analyzeTable(conn, target);
            query = "SELECT * FROM " + target;
            stmt = conn.prepareStatement(query);
            ResultSet rs = stmt.executeQuery();
            assertTrue(rs.next());
            assertEquals("1", rs.getString(1));
            assertEquals(1, rs.getInt(2));
            assertFalse(rs.next());
        } finally {
            conn.close();
        }
    }
    
    private void analyzeTable(Connection conn, String tableName) throws IOException, SQLException {
        String query = "UPDATE STATISTICS " + tableName;
        conn.createStatement().execute(query);
    }

    @Test
    public void testUpsertSaltedTableIntoSaltedTable() throws Exception {
        Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES);
        Connection conn = DriverManager.getConnection(getUrl(), props);
        conn.setAutoCommit(false);
        try {
            String source = generateUniqueName();
            String ddl = "CREATE TABLE IF NOT EXISTS " + source +
                    " (pk VARCHAR NOT NULL PRIMARY KEY, col INTEGER) SALT_BUCKETS=4";
            createTestTable(getUrl(), ddl);
            String target = generateUniqueName();
            ddl = "CREATE TABLE IF NOT EXISTS " + target +
                    " (pk VARCHAR NOT NULL PRIMARY KEY, col INTEGER) SALT_BUCKETS=4";
            createTestTable(getUrl(), ddl);
            
            String query = "UPSERT INTO " + source + "(pk, col) VALUES(?,?)";
            PreparedStatement stmt = conn.prepareStatement(query);
            stmt.setString(1, "1");
            stmt.setInt(2, 1);
            stmt.execute();
            conn.commit();
            
            query = "UPSERT INTO " + target + "(pk, col) SELECT pk, col from " + source;
            stmt = conn.prepareStatement(query);
            stmt.execute();
            conn.commit();
            
            query = "SELECT * FROM " + target;
            stmt = conn.prepareStatement(query);
            ResultSet rs = stmt.executeQuery();
            assertTrue(rs.next());
            assertEquals("1", rs.getString(1));
            assertEquals(1, rs.getInt(2));
            assertFalse(rs.next());
        } finally {
            conn.close();
        }
    }

    @Test
    public void testUpsertSelectOnSameSaltedTable() throws Exception {
        Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES);
        Connection conn = DriverManager.getConnection(getUrl(), props);
        conn.setAutoCommit(false);
        try {
            String source = generateUniqueName();
            String ddl = "CREATE TABLE IF NOT EXISTS " + source +
                    " (pk VARCHAR NOT NULL PRIMARY KEY, col1 INTEGER, col2 INTEGER) SALT_BUCKETS=4";
            createTestTable(getUrl(), ddl);
            
            String query = "UPSERT INTO " + source + "(pk, col1) VALUES(?,?)";
            PreparedStatement stmt = conn.prepareStatement(query);
            stmt.setString(1, "1");
            stmt.setInt(2, 1);
            stmt.execute();
            conn.commit();
            
            query = "UPSERT INTO " + source + "(pk, col2) SELECT pk, col1 from " + source;
            stmt = conn.prepareStatement(query);
            stmt.execute();
            conn.commit();
            
            query = "SELECT col2 FROM " + source;
            stmt = conn.prepareStatement(query);
            ResultSet rs = stmt.executeQuery();
            assertTrue(rs.next());
            assertEquals(1, rs.getInt(1));
            assertFalse(rs.next());
        } finally {
            conn.close();
        }
    }

    @Test
    public void testUpsertSelectOnSameSaltedTableWithEmptyPKColumn() throws Exception {
        Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES);
        Connection conn = DriverManager.getConnection(getUrl(), props);
        conn.setAutoCommit(false);
        try {
            String source1 = generateUniqueName();
            String ddl = "CREATE TABLE IF NOT EXISTS " + source1 +
                    " (pk1 varchar NULL, pk2 varchar NULL, pk3 integer NOT NULL, col1 INTEGER" + 
                    " CONSTRAINT pk PRIMARY KEY (pk1, pk2, pk3)) SALT_BUCKETS=4";
            createTestTable(getUrl(), ddl);
            
            String query = "UPSERT INTO " + source1 + "(pk1, pk2, pk3, col1) VALUES(?,?,?,?)";
            PreparedStatement stmt = conn.prepareStatement(query);
            stmt.setString(1, "1");
            stmt.setString(2, "2");
            stmt.setInt(3, 1);
            stmt.setInt(4, 1);
            stmt.execute();
            conn.commit();
            
            conn.setAutoCommit(true);
            query = "UPSERT INTO " + source1
                + "(pk3, col1, pk1) SELECT pk3+1, col1+1, pk2 from " + source1;
            stmt = conn.prepareStatement(query);
            stmt.execute();
            conn.commit();
            analyzeTable(conn, source1);
            query = "SELECT col1 FROM " + source1;
            stmt = conn.prepareStatement(query);
            ResultSet rs = stmt.executeQuery();
            assertTrue(rs.next());
            assertEquals(1, rs.getInt(1));
            assertTrue(rs.next());
            assertEquals(2, rs.getInt(1));
            assertFalse(rs.next());
        } finally {
            conn.close();
        }
    }

    @Test
    public void testUpsertSelectWithJoinOnSaltedTables() throws Exception {
        Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES);
        Connection conn = DriverManager.getConnection(getUrl(), props);
        conn.setAutoCommit(false);
        try {
            String source1 = generateUniqueName();
            String ddl = "CREATE TABLE IF NOT EXISTS " + source1 +
                    " (pk1 varchar NULL, pk2 varchar NULL, pk3 integer NOT NULL, col1 INTEGER" +
                    " CONSTRAINT pk PRIMARY KEY (pk1, pk2, pk3)) SALT_BUCKETS=4";
            createTestTable(getUrl(), ddl);

            for (int i = 0; i < 1000; i++) {
                String upsert = "UPSERT INTO " + source1 + "(pk1, pk2, pk3, col1) VALUES (?,?,?,?)";
                PreparedStatement stmt = conn.prepareStatement(upsert);
                stmt.setString(1, Integer.toString(i));
                stmt.setString(2, Integer.toString(i));
                stmt.setInt(3, i);
                stmt.setInt(4, i);
                stmt.execute();
            }
            conn.commit();

            String source2 = generateUniqueName();
            String ddl2 = "CREATE TABLE IF NOT EXISTS " + source2 +
                    " (pk1 varchar NULL, pk2 varchar NULL, pk3 integer NOT NULL, col1 INTEGER" +
                    " CONSTRAINT pk PRIMARY KEY (pk1, pk2, pk3)) SALT_BUCKETS=4";
            createTestTable(getUrl(), ddl2);

            for (int i = 0; i < 1000; i++) {
                String upsert = "UPSERT INTO " + source2 + "(pk1, pk2, pk3, col1) VALUES (?,?,?,?)";
                PreparedStatement stmt = conn.prepareStatement(upsert);
                stmt.setString(1, Integer.toString(i));
                stmt.setString(2, Integer.toString(i));
                stmt.setInt(3, i);
                stmt.setInt(4, i);
                stmt.execute();
            }
            conn.commit();

            String dest = generateUniqueName();
            String ddl3 = "CREATE TABLE IF NOT EXISTS " + dest +
                    " (pk1 varchar NULL, pk2 varchar NULL, pk3 integer NOT NULL, col1 INTEGER" +
                    " CONSTRAINT pk PRIMARY KEY (pk1, pk2, pk3)) SALT_BUCKETS=4";
            createTestTable(getUrl(), ddl3);

            String query =
                "UPSERT INTO " + dest
                    + "(pk1, pk2, pk3, col1) SELECT S1.pk1, S1.pk2, S2.pk3, S2.col1 FROM "
                    + source1
                    + " AS S1 JOIN " + source2
                    + " AS S2 ON S1.pk1 = S2.pk1 AND S1.pk2 = S2.pk2 AND S1.pk3 = S2.pk3";
            conn.createStatement().execute(query);
            conn.commit();

            query = "SELECT COUNT(*) FROM " + dest;
            PreparedStatement stmt = conn.prepareStatement(query);
            ResultSet rs = stmt.executeQuery();
            assertTrue(rs.next());
            assertEquals(1000, rs.getInt(1));
        } finally {
            conn.close();
        }
    }
}