{"action":"created","comment":{"url":"https://api.github.com/repos/prestodb/presto/pulls/comments/71959951","id":71959951,"diff_hunk":"@@ -0,0 +1,200 @@\n+/*\n+ * Licensed under the Apache License, Version 2.0 (the \"License\");\n+ * you may not use this file except in compliance with the License.\n+ * You may obtain a copy of the License at\n+ *\n+ *     http://www.apache.org/licenses/LICENSE-2.0\n+ *\n+ * Unless required by applicable law or agreed to in writing, software\n+ * distributed under the License is distributed on an \"AS IS\" BASIS,\n+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n+ * See the License for the specific language governing permissions and\n+ * limitations under the License.\n+ */\n+package com.facebook.presto.raptor.storage.organization;\n+\n+import com.facebook.presto.raptor.metadata.MetadataDao;\n+import com.facebook.presto.raptor.metadata.Table;\n+import com.facebook.presto.spi.type.Type;\n+import com.google.common.collect.ImmutableList;\n+import com.google.common.collect.ImmutableSet;\n+import io.airlift.units.Duration;\n+import org.skife.jdbi.v2.DBI;\n+import org.skife.jdbi.v2.Handle;\n+import org.skife.jdbi.v2.IDBI;\n+import org.testng.annotations.AfterMethod;\n+import org.testng.annotations.BeforeMethod;\n+import org.testng.annotations.Test;\n+\n+import java.util.List;\n+import java.util.Optional;\n+import java.util.OptionalInt;\n+import java.util.OptionalLong;\n+import java.util.Set;\n+import java.util.UUID;\n+\n+import static com.facebook.presto.raptor.metadata.SchemaDaoUtil.createTablesWithRetry;\n+import static com.facebook.presto.raptor.metadata.TestDatabaseShardManager.createShardManager;\n+import static com.facebook.presto.raptor.storage.organization.ShardOrganizationManager.createOrganizationSets;\n+import static com.facebook.presto.raptor.storage.organization.TestCompactionSetCreator.extractIndexes;\n+import static com.facebook.presto.raptor.storage.organization.TestShardOrganizer.createShardOrganizer;\n+import static com.facebook.presto.spi.type.BigintType.BIGINT;\n+import static com.facebook.presto.spi.type.DateType.DATE;\n+import static com.facebook.presto.spi.type.TimestampType.TIMESTAMP;\n+import static com.facebook.presto.spi.type.VarcharType.VARCHAR;\n+import static com.google.common.collect.Iterables.getOnlyElement;\n+import static io.airlift.units.Duration.nanosSince;\n+import static java.util.concurrent.TimeUnit.MILLISECONDS;\n+import static java.util.stream.Collectors.toSet;\n+import static org.testng.Assert.assertEquals;\n+\n+@Test(singleThreaded = true)\n+public class TestShardOrganizationManager\n+{\n+    private IDBI dbi;\n+    private Handle dummyHandle;\n+    private MetadataDao metadataDao;\n+    private ShardOrganizerDao organizerDao;\n+\n+    private static final Table tableInfo = new Table(1L, OptionalLong.empty(), OptionalInt.empty(), OptionalLong.empty());\n+    private static final Table temporalTableInfo = new Table(1L, OptionalLong.empty(), OptionalInt.empty(), OptionalLong.of(1));\n+\n+    private static final List<Type> types = ImmutableList.of(BIGINT, VARCHAR, DATE, TIMESTAMP);\n+\n+    @BeforeMethod\n+    public void setup()\n+    {\n+        dbi = new DBI(\"jdbc:h2:mem:test\" + System.nanoTime());\n+        dummyHandle = dbi.open();\n+        metadataDao = dbi.onDemand(MetadataDao.class);\n+        organizerDao = dbi.onDemand(ShardOrganizerDao.class);\n+\n+        createTablesWithRetry(dbi);\n+    }\n+\n+    @AfterMethod(alwaysRun = true)\n+    public void teardown()\n+    {\n+        dummyHandle.close();\n+    }\n+\n+    @Test\n+    public void testOrganizationEligibleTables()\n+            throws Exception\n+    {\n+        long table1 = metadataDao.insertTable(\"schema\", \"table1\", false, true, null, 0);\n+        metadataDao.insertColumn(table1, 1, \"foo\", 1, \"bigint\", 1, null);\n+\n+        metadataDao.insertTable(\"schema\", \"table2\", false, true, null, 0);\n+        metadataDao.insertTable(\"schema\", \"table3\", false, false, null, 0);\n+        assertEquals(metadataDao.getOrganizationEligibleTables(), ImmutableSet.of(table1));\n+    }\n+\n+    @Test\n+    public void testTableDiscovery()\n+            throws Exception\n+    {\n+        long table1 = metadataDao.insertTable(\"schema\", \"table1\", false, true, null, 0);\n+        metadataDao.insertColumn(table1, 1, \"foo\", 1, \"bigint\", 1, null);\n+\n+        long table2 = metadataDao.insertTable(\"schema\", \"table2\", false, true, null, 0);\n+        metadataDao.insertColumn(table2, 1, \"foo\", 1, \"bigint\", 1, null);\n+\n+        metadataDao.insertTable(\"schema\", \"table3\", false, false, null, 0);\n+\n+        long intervalMillis = 100;\n+        ShardOrganizationManager organizationManager = createShardOrganizationManager(intervalMillis);\n+\n+        // initializes tables\n+        Set<Long> actual = organizationManager.discoverAndInitializeTablesToOrganize();\n+        assertEquals(actual, ImmutableSet.of(table1, table2));\n+\n+        // update the start times and test that the tables are discovered after interval seconds\n+        organizerDao.updateLastStartTime(\"node1\", table1, System.currentTimeMillis());\n+        organizerDao.updateLastStartTime(\"node1\", table2, System.currentTimeMillis());\n+\n+        // wait for some time (interval time) for the tables to be eligible for organization\n+        long start = System.nanoTime();\n+        while (organizationManager.discoverAndInitializeTablesToOrganize().isEmpty() && nanosSince(start).toMillis() < intervalMillis + 1000) {\n+            MILLISECONDS.sleep(10);\n+        }\n+        assertEquals(organizationManager.discoverAndInitializeTablesToOrganize(), ImmutableSet.of(table1, table2));\n+    }\n+\n+    @Test\n+    public void testSimple()\n+            throws Exception\n+    {\n+        long timestamp = 1L;\n+        int day = 1;\n+\n+        List<ShardIndexInfo> shards = ImmutableList.of(\n+                shardWithRange(1, ShardRange.of(new Tuple(types, 5L, \"hello\", day, timestamp), new Tuple(types, 10L, \"hello\", day, timestamp))),\n+                shardWithRange(1, ShardRange.of(new Tuple(types, 7L, \"hello\", day, timestamp), new Tuple(types, 10L, \"hello\", day, timestamp))),\n+                shardWithRange(1, ShardRange.of(new Tuple(types, 6L, \"hello\", day, timestamp), new Tuple(types, 9L, \"hello\", day, timestamp))),\n+                shardWithRange(1, ShardRange.of(new Tuple(types, 1L, \"hello\", day, timestamp), new Tuple(types, 5L, \"hello\", day, timestamp))));\n+\n+        Set<OrganizationSet> actual = createOrganizationSets(tableInfo, shards);\n+\n+        assertEquals(actual.size(), 1);\n+        // Shards 0, 1 and 2 are overlapping, so we should get an organization set with these shards","path":"presto-raptor/src/test/java/com/facebook/presto/raptor/storage/organization/TestShardOrganizationManager.java","position":140,"original_position":140,"commit_id":"b76dc414ca74365ac432d4471ac6aff4a5dc73ba","original_commit_id":"b76dc414ca74365ac432d4471ac6aff4a5dc73ba","user":{"login":"electrum","id":9230,"avatar_url":"https://avatars.githubusercontent.com/u/9230?v=3","gravatar_id":"","url":"https://api.github.com/users/electrum","html_url":"https://github.com/electrum","followers_url":"https://api.github.com/users/electrum/followers","following_url":"https://api.github.com/users/electrum/following{/other_user}","gists_url":"https://api.github.com/users/electrum/gists{/gist_id}","starred_url":"https://api.github.com/users/electrum/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/electrum/subscriptions","organizations_url":"https://api.github.com/users/electrum/orgs","repos_url":"https://api.github.com/users/electrum/repos","events_url":"https://api.github.com/users/electrum/events{/privacy}","received_events_url":"https://api.github.com/users/electrum/received_events","type":"User","site_admin":false},"body":"Thanks! This comment is very helpful.","created_at":"2016-07-22T23:39:05Z","updated_at":"2016-07-22T23:39:05Z","html_url":"https://github.com/prestodb/presto/pull/5450#discussion_r71959951","pull_request_url":"https://api.github.com/repos/prestodb/presto/pulls/5450","_links":{"self":{"href":"https://api.github.com/repos/prestodb/presto/pulls/comments/71959951"},"html":{"href":"https://github.com/prestodb/presto/pull/5450#discussion_r71959951"},"pull_request":{"href":"https://api.github.com/repos/prestodb/presto/pulls/5450"}}},"pull_request":{"url":"https://api.github.com/repos/prestodb/presto/pulls/5450","id":73822378,"html_url":"https://github.com/prestodb/presto/pull/5450","diff_url":"https://github.com/prestodb/presto/pull/5450.diff","patch_url":"https://github.com/prestodb/presto/pull/5450.patch","issue_url":"https://api.github.com/repos/prestodb/presto/issues/5450","number":5450,"state":"open","locked":false,"title":"Add shard organization in 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