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Subject [GitHub] [phoenix] gokceni commented on a change in pull request #514: PHOENIX-5261: Implement ALTER TABLE/VIEW ADD COLUMN CASCADE
Date Wed, 05 Jun 2019 22:30:24 GMT
gokceni commented on a change in pull request #514: PHOENIX-5261: Implement ALTER TABLE/VIEW
ADD COLUMN CASCADE
URL: https://github.com/apache/phoenix/pull/514#discussion_r290960622
 
 

 ##########
 File path: phoenix-core/src/it/java/org/apache/phoenix/end2end/ParameterizedAlterTableCascadeIT.java
 ##########
 @@ -0,0 +1,217 @@
+/*
+ * 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;
+
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Properties;
+
+@RunWith(Parameterized.class)
+public class ParameterizedAlterTableCascadeIT extends ParallelStatsDisabledIT {
+
+    @Rule
+    public ExpectedException exception = ExpectedException.none();
+    private static Connection conn;
+    private Properties prop;
+    boolean isViewIndex;
+    String databaseObject;
+    String databaseObjectName;
+    String indexesName;
+    String planOutput;
+
+    public ParameterizedAlterTableCascadeIT(boolean isViewIndex) {
+		this.isViewIndex = isViewIndex;
+	}
+
+	@Parameterized.Parameters(name = "ParameterizedAlterTableCascadeIT_isViewIndex={0}")
+	public static Collection parametersList() {
+		return Arrays.asList(new Object[] {
+				true, false
+		});
+	}
+
+    @Before
+    public void setup() throws SQLException {
+        prop = new Properties();
+        conn = DriverManager.getConnection(getUrl(), prop);
+        conn.setAutoCommit(true);
+        conn.createStatement().execute("CREATE TABLE IF NOT EXISTS us_population (\n" +
+                "      state CHAR(2) NOT NULL,\n" +
+                "      city VARCHAR NOT NULL,\n" +
+                "      population BIGINT,\n" +
+                "      CONSTRAINT my_pk PRIMARY KEY (state, city)) COLUMN_ENCODED_BYTES=0");
+
+        loadData();
+
+		conn.createStatement().execute("CREATE VIEW IF NOT EXISTS us_population_gv" +
+                "(city_area INTEGER, avg_fam_size INTEGER) AS " +
+                "SELECT * FROM us_population WHERE state = 'CA'");
+
+        if(isViewIndex) {
+
+            conn.createStatement().execute("CREATE INDEX IF NOT EXISTS us_population_gv_gi
ON " +
+                    "us_population_gv (city_area) INCLUDE (population)");
+            conn.createStatement().execute("CREATE INDEX IF NOT EXISTS us_population_gv_gi_2
ON " +
+                    "us_population_gv (avg_fam_size) INCLUDE (population)");
+            databaseObject = "VIEW";
+            databaseObjectName = "us_population_gv";
+            indexesName = "us_population_gv_gi, us_population_gv_gi_2";
+            planOutput = "_IDX_US_POPULATION";
+
+        } else {
+            conn.createStatement().execute("CREATE INDEX IF NOT EXISTS us_population_gi ON
" +
+                    "us_population (population)");
+            conn.createStatement().execute("CREATE INDEX IF NOT EXISTS us_population_gi_2
ON " +
+                    "us_population (state, population)");
+            databaseObject = "TABLE";
+            databaseObjectName = "us_population";
+            indexesName = "us_population_gi, us_population_gi_2";
+            planOutput = "us_population_gi";
+        }
+    }
+
+    private void loadData() throws SQLException {
+        PreparedStatement ps = conn.prepareStatement("UPSERT INTO us_population VALUES('NY','New
York',8143197)");
+        ps.executeUpdate();
+        ps = conn.prepareStatement("UPSERT INTO us_population VALUES('CA','Los Angeles',3844829)");
+        ps.executeUpdate();
+        ps = conn.prepareStatement("UPSERT INTO us_population VALUES('IL','Chicago',2842518)");
+        ps.executeUpdate();
+        ps = conn.prepareStatement("UPSERT INTO us_population VALUES('TX','Houston',2016582)");
+        ps.executeUpdate();
+        ps = conn.prepareStatement("UPSERT INTO us_population VALUES('PA','Philadelphia',1463281)");
+        ps.executeUpdate();
+        ps = conn.prepareStatement("UPSERT INTO us_population VALUES('AZ','Phoenix',1461575)");
+        ps.executeUpdate();
+        ps = conn.prepareStatement("UPSERT INTO us_population VALUES('TX','San Antonio',1256509)");
+        ps.executeUpdate();
+        ps = conn.prepareStatement("UPSERT INTO us_population VALUES('CA','San Diego',1255540)");
+        ps.executeUpdate();
+        ps = conn.prepareStatement("UPSERT INTO us_population VALUES('TX','Dallas',1213825)");
+        ps.executeUpdate();
+        ps = conn.prepareStatement("UPSERT INTO us_population VALUES('CA','San Jose',912332)");
+        ps.executeUpdate();
+    }
+
+    // Test with ALTER TABLE CASCADE INDEX ALL
+    @Test
+    public void testAlterDBOAddCascadeIndexAll() throws SQLException {
+
+
+        String query = "ALTER "+ databaseObject + " " + databaseObjectName +" ADD new_column
VARCHAR CASCADE INDEX ALL";
+        conn.createStatement().execute(query);
+        query = "EXPLAIN SELECT new_column FROM "+databaseObjectName;
+        ResultSet rs = conn.prepareStatement(query).executeQuery();
+        rs.next();
+        //confirm it is using global index to access the column
+        Assert.assertTrue(rs.getString(1).contains(planOutput.toUpperCase()));
+    }
+
+    // Test with ALTER VIEW CASCADE INDEX ALL
+    @Test
+    public void testAlterDBOAddCascadeIndexAllUpsert() throws SQLException {
+        String query = "ALTER "+ databaseObject + " " + databaseObjectName +" ADD new_column_3
VARCHAR CASCADE INDEX ALL";
+        conn.createStatement().execute(query);
+        PreparedStatement ps;
+        if(isViewIndex) {
+            ps = conn.prepareStatement("UPSERT INTO us_population_gv(state,city,population,city_area,avg_fam_size,new_column_3)
" +
+                    "VALUES('CA','Santa Barbara',912332,1300,4,'test_column')");
+        } else {
+            ps = conn.prepareStatement("UPSERT INTO us_population(state,city,population,new_column_3)
" +
+                    "VALUES('CA','Santa Barbara',912332,'test_column')");
+        }
+        ps.executeUpdate();
+        query = "EXPLAIN SELECT new_column_3 FROM "+databaseObjectName+" where new_column_3
= 'test_column'";
+        ResultSet rs = conn.prepareStatement(query).executeQuery();
+        rs.next();
+        //confirm it is using global index to access the column
+        Assert.assertTrue(rs.getString(1).contains(planOutput.toUpperCase()));
+        query = "SELECT new_column_3 FROM "+databaseObjectName+" where new_column_3 = 'test_column'";
+        rs = conn.prepareStatement(query).executeQuery();
+        rs.next();
+        Assert.assertEquals(rs.getString(1),"test_column");
+    }
+
+
+
+    // Test with CASCADE INDEX <index_name>
+    @Test
+    public void testAlterDBOAddCascadeIndex() throws SQLException {
+        String query = "ALTER "+databaseObject+" "+databaseObjectName + " ADD new_column_1
FLOAT CASCADE INDEX "+indexesName.split(",")[0];
 
 Review comment:
   Can you add multiple columns? If yes, can they all cascade? If yes, let's add a test for
that.

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