/* * 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.db; import org.junit.Test; import org.apache.cassandra.cql3.CQLTester; public class RemoveCellTest extends CQLTester { @Test public void testDeleteCell() throws Throwable { String tableName = createTable("CREATE TABLE %s (a int, b int, c int, PRIMARY KEY (a, b))"); ColumnFamilyStore cfs = Keyspace.open(KEYSPACE).getColumnFamilyStore(tableName); execute("INSERT INTO %s (a, b, c) VALUES (?, ?, ?) USING TIMESTAMP ?", 0, 0, 0, 0L); cfs.forceBlockingFlush(); execute("DELETE c FROM %s USING TIMESTAMP ? WHERE a = ? AND b = ?", 1L, 0, 0); assertRows(execute("SELECT * FROM %s WHERE a = ? AND b = ?", 0, 0), row(0, 0, null)); assertRows(execute("SELECT c FROM %s WHERE a = ? AND b = ?", 0, 0), row(new Object[]{null})); } }