Examples with BooleanColumnStatsData org.apache.hadoop.hive.metastore.api.BooleanColumnStatsData used on opensource projects

Example 1 with BooleanColumnStatsData

use of org.apache.hadoop.hive.metastore.api.BooleanColumnStatsData in project hive by apache.

the class TestHBaseStoreIntegration method partitionStatistics.

@Test
public void partitionStatistics() throws Exception {
    long now = System.currentTimeMillis();
    String dbname = "default";
    String tableName = "statspart";
    String[] partNames = { "ds=today", "ds=yesterday" };
    String[] partVals = { "today", "yesterday" };
    String boolcol = "boolcol";
    String longcol = "longcol";
    String doublecol = "doublecol";
    String stringcol = "stringcol";
    String binarycol = "bincol";
    String decimalcol = "deccol";
    long trues = 37;
    long falses = 12;
    long booleanNulls = 2;
    long strMaxLen = 1234;
    double strAvgLen = 32.3;
    long strNulls = 987;
    long strDVs = 906;
    List<FieldSchema> cols = new ArrayList<FieldSchema>();
    cols.add(new FieldSchema(boolcol, "boolean", "nocomment"));
    cols.add(new FieldSchema(longcol, "long", "nocomment"));
    cols.add(new FieldSchema(doublecol, "double", "nocomment"));
    cols.add(new FieldSchema(stringcol, "varchar(32)", "nocomment"));
    cols.add(new FieldSchema(binarycol, "binary", "nocomment"));
    cols.add(new FieldSchema(decimalcol, "decimal(5, 3)", "nocomment"));
    SerDeInfo serde = new SerDeInfo("serde", "seriallib", null);
    StorageDescriptor sd = new StorageDescriptor(cols, "file:/tmp", "input", "output", false, 0, serde, null, null, emptyParameters);
    List<FieldSchema> partCols = new ArrayList<FieldSchema>();
    partCols.add(new FieldSchema("ds", "string", ""));
    Table table = new Table(tableName, dbname, "me", (int) now / 1000, (int) now / 1000, 0, sd, partCols, emptyParameters, null, null, null);
    store.createTable(table);
    for (String partVal : partVals) {
        Partition part = new Partition(Arrays.asList(partVal), dbname, tableName, (int) now / 1000, (int) now / 1000, sd, emptyParameters);
        store.addPartition(part);
    }
    for (int i = 0; i < partNames.length; i++) {
        ColumnStatistics stats = new ColumnStatistics();
        ColumnStatisticsDesc desc = new ColumnStatisticsDesc();
        desc.setLastAnalyzed(now);
        desc.setDbName(dbname);
        desc.setTableName(tableName);
        desc.setIsTblLevel(false);
        desc.setPartName(partNames[i]);
        stats.setStatsDesc(desc);
        ColumnStatisticsObj obj = new ColumnStatisticsObj();
        obj.setColName(boolcol);
        obj.setColType("boolean");
        ColumnStatisticsData data = new ColumnStatisticsData();
        BooleanColumnStatsData boolData = new BooleanColumnStatsData();
        boolData.setNumTrues(trues);
        boolData.setNumFalses(falses);
        boolData.setNumNulls(booleanNulls);
        data.setBooleanStats(boolData);
        obj.setStatsData(data);
        stats.addToStatsObj(obj);
        store.updatePartitionColumnStatistics(stats, Arrays.asList(partVals[i]));
    }
    List<ColumnStatistics> statsList = store.getPartitionColumnStatistics(dbname, tableName, Arrays.asList(partNames), Arrays.asList(boolcol));
    Assert.assertEquals(2, statsList.size());
    for (int i = 0; i < partNames.length; i++) {
        Assert.assertEquals(1, statsList.get(i).getStatsObjSize());
    }
    for (int i = 0; i < partNames.length; i++) {
        ColumnStatistics stats = new ColumnStatistics();
        ColumnStatisticsDesc desc = new ColumnStatisticsDesc();
        desc.setLastAnalyzed(now);
        desc.setDbName(dbname);
        desc.setTableName(tableName);
        desc.setIsTblLevel(false);
        desc.setPartName(partNames[i]);
        stats.setStatsDesc(desc);
        ColumnStatisticsObj obj = new ColumnStatisticsObj();
        obj.setColName(stringcol);
        obj.setColType("string");
        ColumnStatisticsData data = new ColumnStatisticsData();
        StringColumnStatsData strData = new StringColumnStatsData();
        strData.setMaxColLen(strMaxLen);
        strData.setAvgColLen(strAvgLen);
        strData.setNumNulls(strNulls);
        strData.setNumDVs(strDVs);
        data.setStringStats(strData);
        obj.setStatsData(data);
        stats.addToStatsObj(obj);
        store.updatePartitionColumnStatistics(stats, Arrays.asList(partVals[i]));
    }
    // Make sure when we ask for one we only get one
    statsList = store.getPartitionColumnStatistics(dbname, tableName, Arrays.asList(partNames), Arrays.asList(boolcol));
    Assert.assertEquals(2, statsList.size());
    for (int i = 0; i < partNames.length; i++) {
        Assert.assertEquals(1, statsList.get(i).getStatsObjSize());
    }
    statsList = store.getPartitionColumnStatistics(dbname, tableName, Arrays.asList(partNames), Arrays.asList(boolcol, stringcol));
    Assert.assertEquals(2, statsList.size());
    for (int i = 0; i < partNames.length; i++) {
        Assert.assertEquals(2, statsList.get(i).getStatsObjSize());
        // Just check one piece of the data, I don't need to check it all again
        Assert.assertEquals(booleanNulls, statsList.get(i).getStatsObj().get(0).getStatsData().getBooleanStats().getNumNulls());
        Assert.assertEquals(strDVs, statsList.get(i).getStatsObj().get(1).getStatsData().getStringStats().getNumDVs());
    }
}

Example 2 with BooleanColumnStatsData

use of org.apache.hadoop.hive.metastore.api.BooleanColumnStatsData in project hive by apache.

the class TestHBaseAggrStatsCacheIntegration method alterInvalidation.

@Test
public void alterInvalidation() throws Exception {
    try {
        String dbName = "default";
        String tableName = "ai";
        List<String> partVals1 = Arrays.asList("today");
        List<String> partVals2 = Arrays.asList("yesterday");
        List<String> partVals3 = Arrays.asList("tomorrow");
        long now = System.currentTimeMillis();
        List<FieldSchema> cols = new ArrayList<>();
        cols.add(new FieldSchema("col1", "boolean", "nocomment"));
        SerDeInfo serde = new SerDeInfo("serde", "seriallib", null);
        StorageDescriptor sd = new StorageDescriptor(cols, "file:/tmp", "input", "output", false, 0, serde, null, null, Collections.<String, String>emptyMap());
        List<FieldSchema> partCols = new ArrayList<>();
        partCols.add(new FieldSchema("ds", "string", ""));
        Table table = new Table(tableName, dbName, "me", (int) now, (int) now, 0, sd, partCols, Collections.<String, String>emptyMap(), null, null, null);
        store.createTable(table);
        Partition[] partitions = new Partition[3];
        int partnum = 0;
        for (List<String> partVals : Arrays.asList(partVals1, partVals2, partVals3)) {
            StorageDescriptor psd = new StorageDescriptor(sd);
            psd.setLocation("file:/tmp/default/invalidation/ds=" + partVals.get(0));
            Partition part = new Partition(partVals, dbName, tableName, (int) now, (int) now, psd, Collections.<String, String>emptyMap());
            partitions[partnum++] = part;
            store.addPartition(part);
            ColumnStatistics cs = new ColumnStatistics();
            ColumnStatisticsDesc desc = new ColumnStatisticsDesc(false, dbName, tableName);
            desc.setLastAnalyzed(now);
            desc.setPartName("ds=" + partVals.get(0));
            cs.setStatsDesc(desc);
            ColumnStatisticsObj obj = new ColumnStatisticsObj();
            obj.setColName("col1");
            obj.setColType("boolean");
            ColumnStatisticsData data = new ColumnStatisticsData();
            BooleanColumnStatsData bcsd = new BooleanColumnStatsData();
            bcsd.setNumFalses(10);
            bcsd.setNumTrues(20);
            bcsd.setNumNulls(30);
            data.setBooleanStats(bcsd);
            obj.setStatsData(data);
            cs.addToStatsObj(obj);
            store.updatePartitionColumnStatistics(cs, partVals);
        }
        AggrStats aggrStats = store.get_aggr_stats_for(dbName, tableName, Arrays.asList("ds=today", "ds=tomorrow"), Arrays.asList("col1"));
        aggrStats = store.get_aggr_stats_for(dbName, tableName, Arrays.asList("ds=today", "ds=yesterday"), Arrays.asList("col1"));
        // Check that we had to build it from the stats
        Assert.assertEquals(0, store.backdoor().getStatsCache().hbaseHits.getCnt());
        Assert.assertEquals(2, store.backdoor().getStatsCache().totalGets.getCnt());
        Assert.assertEquals(2, store.backdoor().getStatsCache().misses.getCnt());
        // wake the invalidator and check again to make sure it isn't too aggressive about
        // removing our stuff.
        store.backdoor().getStatsCache().wakeInvalidator();
        Partition newPart = new Partition(partitions[2]);
        newPart.setLastAccessTime((int) System.currentTimeMillis());
        store.alterPartition(dbName, tableName, partVals3, newPart);
        store.backdoor().getStatsCache().setRunInvalidatorEvery(100);
        store.backdoor().getStatsCache().wakeInvalidator();
        aggrStats = store.get_aggr_stats_for(dbName, tableName, Arrays.asList("ds=tomorrow", "ds=today"), Arrays.asList("col1"));
        // Check that we missed, which means this aggregate was dropped from the cache.
        Assert.assertEquals(0, store.backdoor().getStatsCache().hbaseHits.getCnt());
        Assert.assertEquals(3, store.backdoor().getStatsCache().totalGets.getCnt());
        Assert.assertEquals(3, store.backdoor().getStatsCache().misses.getCnt());
        // Check that our other aggregate is still in the cache.
        aggrStats = store.get_aggr_stats_for(dbName, tableName, Arrays.asList("ds=yesterday", "ds=today"), Arrays.asList("col1"));
        Assert.assertEquals(0, store.backdoor().getStatsCache().hbaseHits.getCnt());
        Assert.assertEquals(4, store.backdoor().getStatsCache().totalGets.getCnt());
        Assert.assertEquals(3, store.backdoor().getStatsCache().misses.getCnt());
    } finally {
        store.backdoor().getStatsCache().setRunInvalidatorEvery(5000);
        store.backdoor().getStatsCache().setMaxTimeInCache(500000);
        store.backdoor().getStatsCache().wakeInvalidator();
    }
}

Example 3 with BooleanColumnStatsData

use of org.apache.hadoop.hive.metastore.api.BooleanColumnStatsData in project hive by apache.

the class TestHBaseAggregateStatsCache method allWithStats.

// Do to limitations in the Mock infrastructure we use for HBase testing we can only test
// this for a single column table and we can't really test hits in hbase, only in memory or
// build from scratch.  But it's still useful to cover many bugs.  More in depth testing with
// multiple columns and with HBase hits is done in TestHBaseAggrStatsCacheIntegration.
@Test
public void allWithStats() throws Exception {
    String dbName = "default";
    String tableName = "hit";
    List<String> partVals1 = Arrays.asList("today");
    List<String> partVals2 = Arrays.asList("yesterday");
    long now = System.currentTimeMillis();
    List<FieldSchema> cols = new ArrayList<>();
    cols.add(new FieldSchema("col1", "boolean", "nocomment"));
    SerDeInfo serde = new SerDeInfo("serde", "seriallib", null);
    StorageDescriptor sd = new StorageDescriptor(cols, "file:/tmp", "input", "output", false, 0, serde, null, null, Collections.<String, String>emptyMap());
    List<FieldSchema> partCols = new ArrayList<>();
    partCols.add(new FieldSchema("ds", "string", ""));
    Table table = new Table(tableName, dbName, "me", (int) now, (int) now, 0, sd, partCols, Collections.<String, String>emptyMap(), null, null, null);
    store.createTable(table);
    for (List<String> partVals : Arrays.asList(partVals1, partVals2)) {
        StorageDescriptor psd = new StorageDescriptor(sd);
        psd.setLocation("file:/tmp/default/hit/ds=" + partVals.get(0));
        Partition part = new Partition(partVals, dbName, tableName, (int) now, (int) now, psd, Collections.<String, String>emptyMap());
        store.addPartition(part);
        ColumnStatistics cs = new ColumnStatistics();
        ColumnStatisticsDesc desc = new ColumnStatisticsDesc(false, dbName, tableName);
        desc.setLastAnalyzed(now);
        desc.setPartName("ds=" + partVals.get(0));
        cs.setStatsDesc(desc);
        ColumnStatisticsObj obj = new ColumnStatisticsObj();
        obj.setColName("col1");
        obj.setColType("boolean");
        ColumnStatisticsData data = new ColumnStatisticsData();
        BooleanColumnStatsData bcsd = new BooleanColumnStatsData();
        bcsd.setNumFalses(10);
        bcsd.setNumTrues(20);
        bcsd.setNumNulls(30);
        data.setBooleanStats(bcsd);
        obj.setStatsData(data);
        cs.addToStatsObj(obj);
        store.updatePartitionColumnStatistics(cs, partVals);
    }
    Checker statChecker = new Checker() {

        @Override
        public void checkStats(AggrStats aggrStats) throws Exception {
            Assert.assertEquals(2, aggrStats.getPartsFound());
            Assert.assertEquals(1, aggrStats.getColStatsSize());
            ColumnStatisticsObj cso = aggrStats.getColStats().get(0);
            Assert.assertEquals("col1", cso.getColName());
            Assert.assertEquals("boolean", cso.getColType());
            BooleanColumnStatsData bcsd = cso.getStatsData().getBooleanStats();
            Assert.assertEquals(20, bcsd.getNumFalses());
            Assert.assertEquals(40, bcsd.getNumTrues());
            Assert.assertEquals(60, bcsd.getNumNulls());
        }
    };
    AggrStats aggrStats = store.get_aggr_stats_for(dbName, tableName, Arrays.asList("ds=today", "ds=yesterday"), Arrays.asList("col1"));
    statChecker.checkStats(aggrStats);
    // Check that we had to build it from the stats
    Assert.assertEquals(0, store.backdoor().getStatsCache().hbaseHits.getCnt());
    Assert.assertEquals(1, store.backdoor().getStatsCache().totalGets.getCnt());
    Assert.assertEquals(1, store.backdoor().getStatsCache().misses.getCnt());
    // Call again, this time it should come from memory.  Also, reverse the name order this time
    // to assure that we still hit.
    aggrStats = store.get_aggr_stats_for(dbName, tableName, Arrays.asList("ds=yesterday", "ds=today"), Arrays.asList("col1"));
    statChecker.checkStats(aggrStats);
    Assert.assertEquals(0, store.backdoor().getStatsCache().hbaseHits.getCnt());
    Assert.assertEquals(2, store.backdoor().getStatsCache().totalGets.getCnt());
    Assert.assertEquals(1, store.backdoor().getStatsCache().misses.getCnt());
}

Example 4 with BooleanColumnStatsData

use of org.apache.hadoop.hive.metastore.api.BooleanColumnStatsData in project hive by apache.

the class TestHBaseStore method booleanTableStatistics.

// Due to the way our mock stuff works, we can only insert one column at a time, so we'll test
// each stat type separately.  We'll test them together in the integration tests.
@Test
public void booleanTableStatistics() throws Exception {
    // Add a boolean table stats for BOOLEAN_COL to DB
    // Because of the way our mock implementation works we actually need to not create the table
    // before we set statistics on it.
    ColumnStatistics stats = new ColumnStatistics();
    // Get a default ColumnStatisticsDesc for table level stats
    ColumnStatisticsDesc desc = getMockTblColStatsDesc();
    stats.setStatsDesc(desc);
    // Get one of the pre-created ColumnStatisticsObj
    ColumnStatisticsObj obj = booleanColStatsObjs.get(0);
    BooleanColumnStatsData boolData = obj.getStatsData().getBooleanStats();
    // Add to DB
    stats.addToStatsObj(obj);
    store.updateTableColumnStatistics(stats);
    // Get from DB
    ColumnStatistics statsFromDB = store.getTableColumnStatistics(DB, TBL, Arrays.asList(BOOLEAN_COL));
    // Compare ColumnStatisticsDesc
    Assert.assertEquals(desc.getLastAnalyzed(), statsFromDB.getStatsDesc().getLastAnalyzed());
    Assert.assertEquals(DB, statsFromDB.getStatsDesc().getDbName());
    Assert.assertEquals(TBL, statsFromDB.getStatsDesc().getTableName());
    Assert.assertTrue(statsFromDB.getStatsDesc().isIsTblLevel());
    // Compare ColumnStatisticsObj
    Assert.assertEquals(1, statsFromDB.getStatsObjSize());
    ColumnStatisticsObj objFromDB = statsFromDB.getStatsObj().get(0);
    ColumnStatisticsData dataFromDB = objFromDB.getStatsData();
    // Compare ColumnStatisticsData
    Assert.assertEquals(ColumnStatisticsData._Fields.BOOLEAN_STATS, dataFromDB.getSetField());
    // Compare BooleanColumnStatsData
    BooleanColumnStatsData boolDataFromDB = dataFromDB.getBooleanStats();
    Assert.assertEquals(boolData.getNumTrues(), boolDataFromDB.getNumTrues());
    Assert.assertEquals(boolData.getNumFalses(), boolDataFromDB.getNumFalses());
    Assert.assertEquals(boolData.getNumNulls(), boolDataFromDB.getNumNulls());
}

Example 5 with BooleanColumnStatsData

use of org.apache.hadoop.hive.metastore.api.BooleanColumnStatsData in project hive by apache.

the class TestHBaseStore method mockBooleanStats.

private static ColumnStatisticsObj mockBooleanStats(int i) {
    long trues = 37 + 100 * i;
    long falses = 12 + 50 * i;
    long nulls = 2 + i;
    ColumnStatisticsObj colStatsObj = new ColumnStatisticsObj();
    colStatsObj.setColName(BOOLEAN_COL);
    colStatsObj.setColType(BOOLEAN_TYPE);
    ColumnStatisticsData data = new ColumnStatisticsData();
    BooleanColumnStatsData boolData = new BooleanColumnStatsData();
    boolData.setNumTrues(trues);
    boolData.setNumFalses(falses);
    boolData.setNumNulls(nulls);
    data.setBooleanStats(boolData);
    colStatsObj.setStatsData(data);
    return colStatsObj;
}