Examples with CreateTableOptions org.apache.kudu.client.CreateTableOptions used on opensource projects

Example 1 with CreateTableOptions

use of org.apache.kudu.client.CreateTableOptions in project drill by axbaretto.

the class TestKuduConnect method createKuduTable.

public static void createKuduTable(String tableName, int tablets, int replicas, int rows) throws Exception {
    try (KuduClient client = new KuduClient.KuduClientBuilder(KUDU_MASTER).build()) {
        ListTablesResponse tables = client.getTablesList(tableName);
        if (!tables.getTablesList().isEmpty()) {
            client.deleteTable(tableName);
        }
        List<ColumnSchema> columns = new ArrayList<>(5);
        columns.add(new ColumnSchema.ColumnSchemaBuilder("key", Type.INT32).key(true).build());
        columns.add(new ColumnSchema.ColumnSchemaBuilder("binary", Type.BINARY).nullable(false).build());
        columns.add(new ColumnSchema.ColumnSchemaBuilder("boolean", Type.BOOL).nullable(true).build());
        columns.add(new ColumnSchema.ColumnSchemaBuilder("float", Type.FLOAT).nullable(false).build());
        columns.add(new ColumnSchema.ColumnSchemaBuilder("string", Type.STRING).nullable(true).build());
        Schema schema = new Schema(columns);
        CreateTableOptions builder = new CreateTableOptions();
        builder.setNumReplicas(replicas);
        builder.setRangePartitionColumns(Arrays.asList("key"));
        for (int i = 1; i < tablets; i++) {
            PartialRow splitRow = schema.newPartialRow();
            splitRow.addInt("key", i * 1000);
            builder.addSplitRow(splitRow);
        }
        client.createTable(tableName, schema, builder);
        KuduTable table = client.openTable(tableName);
        KuduSession session = client.newSession();
        session.setFlushMode(SessionConfiguration.FlushMode.AUTO_FLUSH_SYNC);
        for (int i = 0; i < rows; i++) {
            Insert insert = table.newInsert();
            PartialRow row = insert.getRow();
            row.addInt(0, i);
            row.addBinary(1, ("Row " + i).getBytes());
            row.addBoolean(2, i % 2 == 0);
            row.addFloat(3, i + 0.01f);
            row.addString(4, ("Row " + i));
            session.apply(insert);
        }
        List<String> projectColumns = new ArrayList<>(1);
        projectColumns.add("float");
        KuduScanner scanner = client.newScannerBuilder(table).setProjectedColumnNames(projectColumns).build();
        while (scanner.hasMoreRows()) {
            RowResultIterator results = scanner.nextRows();
            while (results.hasNext()) {
                RowResult result = results.next();
                System.out.println(result.toStringLongFormat());
            }
        }
    }
}

Example 2 with CreateTableOptions

use of org.apache.kudu.client.CreateTableOptions in project drill by apache.

the class TestKuduConnect method createKuduTable.

public static void createKuduTable(String tableName, int tablets, int replicas, int rows) throws Exception {
    try (KuduClient client = new KuduClient.KuduClientBuilder(KUDU_MASTER).build()) {
        ListTablesResponse tables = client.getTablesList(tableName);
        if (!tables.getTablesList().isEmpty()) {
            client.deleteTable(tableName);
        }
        List<ColumnSchema> columns = new ArrayList<>(5);
        columns.add(new ColumnSchema.ColumnSchemaBuilder("key", Type.INT32).key(true).build());
        columns.add(new ColumnSchema.ColumnSchemaBuilder("binary", Type.BINARY).nullable(false).build());
        columns.add(new ColumnSchema.ColumnSchemaBuilder("boolean", Type.BOOL).nullable(true).build());
        columns.add(new ColumnSchema.ColumnSchemaBuilder("float", Type.FLOAT).nullable(false).build());
        columns.add(new ColumnSchema.ColumnSchemaBuilder("string", Type.STRING).nullable(true).build());
        Schema schema = new Schema(columns);
        CreateTableOptions builder = new CreateTableOptions();
        builder.setNumReplicas(replicas);
        builder.setRangePartitionColumns(Arrays.asList("key"));
        for (int i = 1; i < tablets; i++) {
            PartialRow splitRow = schema.newPartialRow();
            splitRow.addInt("key", i * 1000);
            builder.addSplitRow(splitRow);
        }
        client.createTable(tableName, schema, builder);
        KuduTable table = client.openTable(tableName);
        KuduSession session = client.newSession();
        session.setFlushMode(SessionConfiguration.FlushMode.AUTO_FLUSH_SYNC);
        for (int i = 0; i < rows; i++) {
            Insert insert = table.newInsert();
            PartialRow row = insert.getRow();
            row.addInt(0, i);
            row.addBinary(1, ("Row " + i).getBytes());
            row.addBoolean(2, i % 2 == 0);
            row.addFloat(3, i + 0.01f);
            row.addString(4, ("Row " + i));
            session.apply(insert);
        }
        List<String> projectColumns = new ArrayList<>(1);
        projectColumns.add("float");
        KuduScanner scanner = client.newScannerBuilder(table).setProjectedColumnNames(projectColumns).build();
        while (scanner.hasMoreRows()) {
            RowResultIterator results = scanner.nextRows();
            while (results.hasNext()) {
                logger.debug(results.next().toString());
            }
        }
    }
}

Example 3 with CreateTableOptions

use of org.apache.kudu.client.CreateTableOptions in project presto by prestodb.

the class KuduClientSession method createTable.

public KuduTable createTable(ConnectorTableMetadata tableMetadata, boolean ignoreExisting) {
    reTryKerberos(kerberosAuthEnabled);
    try {
        String rawName = schemaEmulation.toRawName(tableMetadata.getTable());
        if (ignoreExisting) {
            if (client.tableExists(rawName)) {
                return null;
            }
        }
        if (!schemaEmulation.existsSchema(client, tableMetadata.getTable().getSchemaName())) {
            throw new SchemaNotFoundException(tableMetadata.getTable().getSchemaName());
        }
        List<ColumnMetadata> columns = tableMetadata.getColumns();
        Map<String, Object> properties = tableMetadata.getProperties();
        Schema schema = buildSchema(columns, properties);
        CreateTableOptions options = buildCreateTableOptions(schema, properties);
        return client.createTable(rawName, schema, options);
    } catch (KuduException e) {
        throw new PrestoException(GENERIC_INTERNAL_ERROR, e);
    }
}

Example 4 with CreateTableOptions

use of org.apache.kudu.client.CreateTableOptions in project presto by prestodb.

the class KuduClientSession method buildCreateTableOptions.

private CreateTableOptions buildCreateTableOptions(Schema schema, Map<String, Object> properties) {
    CreateTableOptions options = new CreateTableOptions();
    RangePartitionDefinition rangePartitionDefinition = null;
    PartitionDesign partitionDesign = KuduTableProperties.getPartitionDesign(properties);
    if (partitionDesign.getHash() != null) {
        for (HashPartitionDefinition partition : partitionDesign.getHash()) {
            options.addHashPartitions(partition.getColumns(), partition.getBuckets());
        }
    }
    if (partitionDesign.getRange() != null) {
        rangePartitionDefinition = partitionDesign.getRange();
        options.setRangePartitionColumns(rangePartitionDefinition.getColumns());
    }
    List<RangePartition> rangePartitions = KuduTableProperties.getRangePartitions(properties);
    if (rangePartitionDefinition != null && !rangePartitions.isEmpty()) {
        for (RangePartition rangePartition : rangePartitions) {
            PartialRow lower = KuduTableProperties.toRangeBoundToPartialRow(schema, rangePartitionDefinition, rangePartition.getLower());
            PartialRow upper = KuduTableProperties.toRangeBoundToPartialRow(schema, rangePartitionDefinition, rangePartition.getUpper());
            options.addRangePartition(lower, upper);
        }
    }
    Optional<Integer> numReplicas = KuduTableProperties.getNumReplicas(properties);
    numReplicas.ifPresent(options::setNumReplicas);
    return options;
}

Example 5 with CreateTableOptions

use of org.apache.kudu.client.CreateTableOptions in project hive by apache.

the class KuduTestSetup method createKVTable.

public void createKVTable(KuduClient client) throws KuduException {
    dropKVTable(client);
    CreateTableOptions options = new CreateTableOptions().setRangePartitionColumns(ImmutableList.of("key"));
    client.createTable(KV_TABLE_NAME, KV_SCHEMA, options);
}