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

Example 46 with FieldSchema

use of org.apache.hadoop.hive.metastore.api.FieldSchema 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 47 with FieldSchema

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

the class TestHBaseStoreIntegration method createTable.

@Test
public void createTable() throws Exception {
    int startTime = (int) (System.currentTimeMillis() / 1000);
    List<FieldSchema> cols = new ArrayList<FieldSchema>();
    cols.add(new FieldSchema("col1", "int", "nocomment"));
    SerDeInfo serde = new SerDeInfo("serde", "seriallib", null);
    StorageDescriptor sd = new StorageDescriptor(cols, "file:/tmp", "input", "output", false, 0, serde, null, null, emptyParameters);
    Table table = new Table("mytable", "default", "me", startTime, startTime, 0, sd, null, emptyParameters, null, null, null);
    store.createTable(table);
    Table t = store.getTable("default", "mytable");
    Assert.assertEquals(1, t.getSd().getColsSize());
    Assert.assertEquals("col1", t.getSd().getCols().get(0).getName());
    Assert.assertEquals("int", t.getSd().getCols().get(0).getType());
    Assert.assertEquals("nocomment", t.getSd().getCols().get(0).getComment());
    Assert.assertEquals("serde", t.getSd().getSerdeInfo().getName());
    Assert.assertEquals("seriallib", t.getSd().getSerdeInfo().getSerializationLib());
    Assert.assertEquals("file:/tmp", t.getSd().getLocation());
    Assert.assertEquals("input", t.getSd().getInputFormat());
    Assert.assertEquals("output", t.getSd().getOutputFormat());
    Assert.assertEquals("me", t.getOwner());
    Assert.assertEquals("default", t.getDbName());
    Assert.assertEquals("mytable", t.getTableName());
}

Example 48 with FieldSchema

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

the class TestHBaseStoreIntegration method listPartitions.

@Test
public void listPartitions() throws Exception {
    String dbName = "default";
    String tableName = "listParts";
    int startTime = (int) (System.currentTimeMillis() / 1000);
    List<FieldSchema> cols = new ArrayList<FieldSchema>();
    cols.add(new FieldSchema("col1", "int", "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("pc", "string", ""));
    partCols.add(new FieldSchema("region", "string", ""));
    Table table = new Table(tableName, dbName, "me", startTime, startTime, 0, sd, partCols, emptyParameters, null, null, null);
    store.createTable(table);
    String[][] partVals = new String[][] { { "today", "north america" }, { "tomorrow", "europe" } };
    for (String[] pv : partVals) {
        List<String> vals = new ArrayList<String>();
        for (String v : pv) vals.add(v);
        StorageDescriptor psd = new StorageDescriptor(sd);
        psd.setLocation("file:/tmp/pc=" + pv[0] + "/region=" + pv[1]);
        Partition part = new Partition(vals, dbName, tableName, startTime, startTime, psd, emptyParameters);
        store.addPartition(part);
    }
    List<String> names = store.listPartitionNames(dbName, tableName, (short) -1);
    Assert.assertEquals(2, names.size());
    String[] resultNames = names.toArray(new String[names.size()]);
    Arrays.sort(resultNames);
    Assert.assertArrayEquals(resultNames, new String[] { "pc=today/region=north america", "pc=tomorrow/region=europe" });
    List<Partition> parts = store.getPartitionsByNames(dbName, tableName, names);
    Assert.assertArrayEquals(partVals[0], parts.get(0).getValues().toArray(new String[2]));
    Assert.assertArrayEquals(partVals[1], parts.get(1).getValues().toArray(new String[2]));
    store.dropPartitions(dbName, tableName, names);
    List<Partition> afterDropParts = store.getPartitions(dbName, tableName, -1);
    Assert.assertEquals(0, afterDropParts.size());
}

Example 49 with FieldSchema

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

the class TestHBaseStoreIntegration method getAllTables.

@Test
public void getAllTables() throws Exception {
    // named to match getAllDbs so we get the
    String[] dbNames = new String[] { "db0", "db1" };
    // right number of databases in that test.
    String[] tableNames = new String[] { "curly", "larry", "moe" };
    for (int i = 0; i < dbNames.length; i++) {
        store.createDatabase(new Database(dbNames[i], "no description", "file:///tmp", emptyParameters));
    }
    for (int i = 0; i < dbNames.length; i++) {
        for (int j = 0; j < tableNames.length; j++) {
            int startTime = (int) (System.currentTimeMillis() / 1000);
            List<FieldSchema> cols = new ArrayList<FieldSchema>();
            cols.add(new FieldSchema("col1", "int", "nocomment"));
            SerDeInfo serde = new SerDeInfo("serde", "seriallib", null);
            StorageDescriptor sd = new StorageDescriptor(cols, "file:/tmp", "input", "output", false, 0, serde, null, null, emptyParameters);
            Table table = new Table(tableNames[j], dbNames[i], "me", startTime, startTime, 0, sd, null, emptyParameters, null, null, null);
            store.createTable(table);
        }
    }
    List<String> fetchedNames = store.getAllTables(dbNames[0]);
    Assert.assertEquals(3, fetchedNames.size());
    String[] sortedFetchedNames = fetchedNames.toArray(new String[fetchedNames.size()]);
    Arrays.sort(sortedFetchedNames);
    Assert.assertArrayEquals(tableNames, sortedFetchedNames);
    List<String> regexNames = store.getTables(dbNames[0], "*y");
    Assert.assertEquals(2, regexNames.size());
    String[] sortedRegexNames = regexNames.toArray(new String[regexNames.size()]);
    Arrays.sort(sortedRegexNames);
    Assert.assertArrayEquals(Arrays.copyOfRange(tableNames, 0, 2), sortedRegexNames);
    List<Table> fetchedTables = store.getTableObjectsByName(dbNames[1], Arrays.asList(Arrays.copyOfRange(tableNames, 1, 3)));
    Assert.assertEquals(2, fetchedTables.size());
    sortedFetchedNames = new String[fetchedTables.size()];
    for (int i = 0; i < fetchedTables.size(); i++) {
        sortedFetchedNames[i] = fetchedTables.get(i).getTableName();
    }
    Arrays.sort(sortedFetchedNames);
    Assert.assertArrayEquals(Arrays.copyOfRange(tableNames, 1, 3), sortedFetchedNames);
}

Example 50 with FieldSchema

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

the class TestHBaseStoreIntegration method dropTable.

@Test
public void dropTable() throws Exception {
    String tableName = "dtable";
    int startTime = (int) (System.currentTimeMillis() / 1000);
    List<FieldSchema> cols = new ArrayList<FieldSchema>();
    cols.add(new FieldSchema("col1", "int", "nocomment"));
    SerDeInfo serde = new SerDeInfo("serde", "seriallib", null);
    StorageDescriptor sd = new StorageDescriptor(cols, "file:/tmp", "input", "output", false, 0, serde, null, null, emptyParameters);
    Table table = new Table(tableName, "default", "me", startTime, startTime, 0, sd, null, emptyParameters, null, null, null);
    store.createTable(table);
    Table t = store.getTable("default", tableName);
    Assert.assertNotNull(t);
    store.dropTable("default", tableName);
    Assert.assertNull(store.getTable("default", tableName));
}