content: /*
   * 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.cassandra.index.sai.cql;
  
  import org.junit.Test;
  
  import org.apache.cassandra.cql3.restrictions.StatementRestrictions;
  import org.apache.cassandra.index.sai.SAITester;
  
  import static org.junit.Assert.assertTrue;
  
  public class UnindexedExpressionsTest extends SAITester
  {
      @Test
      public void inOperatorIsNotHandledByIndexTest() throws Throwable
      {
          createTable("CREATE TABLE %s (k int PRIMARY KEY, v1 int, v2 int)");
          createIndex("CREATE INDEX ON %s(v1) USING 'sai'");
          createIndex("CREATE INDEX ON %s(v2) USING 'sai'");
  
          execute("INSERT INTO %s (k, v1, v2) VALUES (1, 1, 1)");
          execute("INSERT INTO %s (k, v1, v2) VALUES (2, 2, 2)");
          execute("INSERT INTO %s (k, v1, v2) VALUES (3, 3, 1)");
          execute("INSERT INTO %s (k, v1, v2) VALUES (4, 4, 2)");
  
          assertInvalidMessage(StatementRestrictions.REQUIRES_ALLOW_FILTERING_MESSAGE, "SELECT * FROM %s WHERE v1 IN (1, 2)");
  
          assertInvalidMessage(StatementRestrictions.REQUIRES_ALLOW_FILTERING_MESSAGE, "SELECT * FROM %s WHERE v1 IN (1, 2) AND v2 = 1");
  
          assertRowsIgnoringOrder(execute("SELECT * FROM %s WHERE v1 IN (1, 2) AND v2 = 1 ALLOW FILTERING"), row(1, 1, 1));
  
          assertRowsIgnoringOrder(execute("SELECT * FROM %s WHERE v1 IN (1, 2) AND v2 = 2 ALLOW FILTERING"), row(2, 2, 2));
  
          assertTrue(execute("SELECT * FROM %s WHERE v1 IN (1, 3) AND v2 = 2 ALLOW FILTERING").isEmpty());
      }
  
      @Test
      public void unsupportedOperatorsAreHandledTest() throws Throwable
      {
          createTable("CREATE TABLE %s (pk int primary key, val1 int, val2 text)");
          createIndex("CREATE INDEX ON %s(val1) USING 'sai'");
          createIndex("CREATE INDEX ON %s(val2) USING 'sai'");
  
          execute("INSERT INTO %s (pk, val1, val2) VALUES (1, 1, '11')");
          execute("INSERT INTO %s (pk, val1, val2) VALUES (2, 2, '22')");
          execute("INSERT INTO %s (pk, val1, val2) VALUES (3, 3, '33')");
          execute("INSERT INTO %s (pk, val1, val2) VALUES (4, 4, '44')");
  
          // The LIKE operator is rejected because it needs to be handled by an index
          assertInvalidMessage(StatementRestrictions.REQUIRES_ALLOW_FILTERING_MESSAGE,
                               "SELECT pk FROM %s WHERE val1 = 1 AND val2 like '1%%'");
  
          // The IS NOT operator is only valid on materialized views
          assertInvalidMessage("Unsupported restriction:", "SELECT pk FROM %s WHERE val1 = 1 AND val2 is not null");
  
          assertInvalidMessage(StatementRestrictions.REQUIRES_ALLOW_FILTERING_MESSAGE, "SELECT pk FROM %s WHERE val1 = 1 AND val2 != '22'");
          assertInvalidMessage(StatementRestrictions.REQUIRES_ALLOW_FILTERING_MESSAGE, "SELECT pk FROM %s WHERE val1 = 1 AND val2 < '22'");
          assertInvalidMessage(StatementRestrictions.REQUIRES_ALLOW_FILTERING_MESSAGE, "SELECT pk FROM %s WHERE val1 = 1 AND val2 <= '11'");
          assertInvalidMessage(StatementRestrictions.REQUIRES_ALLOW_FILTERING_MESSAGE, "SELECT pk FROM %s WHERE val1 = 1 AND val2 >= '11'");
          assertInvalidMessage(StatementRestrictions.REQUIRES_ALLOW_FILTERING_MESSAGE, "SELECT pk FROM %s WHERE val1 = 1 AND val2 > '00'");
          assertInvalidMessage(StatementRestrictions.REQUIRES_ALLOW_FILTERING_MESSAGE, "SELECT pk FROM %s WHERE val1 = 1 AND val2 in ('11', '22')");
  
          assertRows(execute("SELECT pk FROM %s WHERE val1 >= 1 AND val2 < '22' ALLOW FILTERING"), row(1));
          assertRows(execute("SELECT pk FROM %s WHERE val1 >= 1 AND val2 <= '11' ALLOW FILTERING"), row(1));
          assertRows(execute("SELECT pk FROM %s WHERE val1 >= 1 AND val2 >= '11' AND val2 <= '22' ALLOW FILTERING"), row(1), row(2));
          assertRows(execute("SELECT pk FROM %s WHERE val1 >= 1 AND val2 > '00' AND val2 <= '11' ALLOW FILTERING"), row(1));
          assertRows(execute("SELECT pk FROM %s WHERE val1 >= 1 AND val2 in ('11', '22') ALLOW FILTERING"), row(1), row(2));
      }
  
      @Test
      public void unindexedMapColumnTest() throws Throwable
      {
          createTable("CREATE TABLE %s (pk int primary key, val1 int, val2 map<int, text>)");
          createIndex("CREATE INDEX ON %s(val1) USING 'sai'");
  
          execute("INSERT INTO %s (pk, val1, val2) VALUES (1, 1, {1 : '1', 2 : '2', 3 : '3'})");
          execute("INSERT INTO %s (pk, val1, val2) VALUES (2, 2, {2 : '2', 3 : '3', 4 : '4'})");
          execute("INSERT INTO %s (pk, val1, val2) VALUES (3, 3, {3 : '3', 4 : '4', 5 : '5'})");
          execute("INSERT INTO %s (pk, val1, val2) VALUES (4, 4, {4 : '4', 5 : '5', 6 : '6'})");
  
          assertInvalidMessage(StatementRestrictions.REQUIRES_ALLOW_FILTERING_MESSAGE, "SELECT pk FROM %s WHERE val1 = 1 AND val2 CONTAINS KEY 1");
          assertInvalidMessage(StatementRestrictions.REQUIRES_ALLOW_FILTERING_MESSAGE, "SELECT pk FROM %s WHERE val1 = 1 AND val2 CONTAINS '2'");
  
          assertRows(execute("SELECT pk FROM %s WHERE val1 >= 1 AND val2 CONTAINS KEY 2 ALLOW FILTERING"), row(1), row(2));
          assertRows(execute("SELECT pk FROM %s WHERE val1 >= 1 AND val2 CONTAINS '2' ALLOW FILTERING"), row(1), row(2));
          assertRows(execute("SELECT pk FROM %s WHERE val1 >= 1 AND val2[2] = '2' ALLOW FILTERING"), row(1), row(2));
      }
  }