Examples with Database io.prestosql.plugin.hive.metastore.Database used on opensource projects

Example 16 with Database

use of io.prestosql.plugin.hive.metastore.Database in project boostkit-bigdata by kunpengcompute.

the class FileHiveMetastore method getAllTables.

@Override
public synchronized Optional<List<String>> getAllTables(String databaseName) {
    requireNonNull(databaseName, "databaseName is null");
    Optional<Database> database = getDatabase(databaseName);
    if (!database.isPresent()) {
        return Optional.empty();
    }
    Path databaseMetadataDirectory = getDatabaseMetadataDirectory(databaseName);
    List<String> tables = getChildSchemaDirectories(databaseMetadataDirectory).stream().map(Path::getName).collect(toList());
    return Optional.of(ImmutableList.copyOf(tables));
}

Example 17 with Database

use of io.prestosql.plugin.hive.metastore.Database in project boostkit-bigdata by kunpengcompute.

the class HiveMetadata method beginCreateTable.

@Override
public HiveOutputTableHandle beginCreateTable(ConnectorSession session, ConnectorTableMetadata tableMetadata, Optional<ConnectorNewTableLayout> layout) {
    if (getExternalLocation(tableMetadata.getProperties()) != null || isExternalTable(tableMetadata.getProperties())) {
        throw new PrestoException(NOT_SUPPORTED, "External tables cannot be created using CREATE TABLE AS");
    }
    if (HiveTableProperties.getAvroSchemaUrl(tableMetadata.getProperties()) != null) {
        throw new PrestoException(NOT_SUPPORTED, "CREATE TABLE AS not supported when Avro schema url is set");
    }
    HiveStorageFormat tableStorageFormat = HiveTableProperties.getHiveStorageFormat(tableMetadata.getProperties());
    List<String> partitionedBy = getPartitionedBy(tableMetadata.getProperties());
    Optional<HiveBucketProperty> bucketProperty = HiveTableProperties.getBucketProperty(tableMetadata.getProperties());
    // get the root directory for the database
    SchemaTableName schemaTableName = tableMetadata.getTable();
    String schemaName = schemaTableName.getSchemaName();
    String tableName = schemaTableName.getTableName();
    Map<String, String> tableProperties = getEmptyTableProperties(tableMetadata, bucketProperty, new HdfsContext(session, schemaName, tableName));
    List<HiveColumnHandle> columnHandles = getColumnHandles(tableMetadata, ImmutableSet.copyOf(partitionedBy), typeTranslator);
    HiveStorageFormat partitionStorageFormat = HiveSessionProperties.isRespectTableFormat(session) ? tableStorageFormat : HiveSessionProperties.getHiveStorageFormat(session);
    // unpartitioned tables ignore the partition storage format
    HiveStorageFormat actualStorageFormat = partitionedBy.isEmpty() ? tableStorageFormat : partitionStorageFormat;
    actualStorageFormat.validateColumns(columnHandles);
    Map<String, HiveColumnHandle> columnHandlesByName = Maps.uniqueIndex(columnHandles, HiveColumnHandle::getName);
    List<Column> partitionColumns = partitionedBy.stream().map(columnHandlesByName::get).map(column -> new Column(column.getName(), column.getHiveType(), column.getComment())).collect(toList());
    checkPartitionTypesSupported(partitionColumns);
    Optional<String> location = getLocation(tableMetadata.getProperties());
    if (location.isPresent() && !tableCreatesWithLocationAllowed) {
        throw new PrestoException(NOT_SUPPORTED, format("Setting %s property is not allowed", LOCATION_PROPERTY));
    }
    Optional<WriteIdInfo> writeIdInfo = Optional.empty();
    if (AcidUtils.isTransactionalTable(tableProperties)) {
        // Create the HiveTableHandle for just to obtain writeIds.
        List<HiveColumnHandle> partitionColumnHandles = partitionedBy.stream().map(columnHandlesByName::get).collect(toList());
        HiveTableHandle tableHandle = new HiveTableHandle(schemaName, tableName, tableProperties, partitionColumnHandles, Optional.empty());
        Optional<Long> writeId = metastore.getTableWriteId(session, tableHandle, HiveACIDWriteType.INSERT);
        if (!writeId.isPresent()) {
            throw new IllegalStateException("No validWriteIds present");
        }
        writeIdInfo = Optional.of(new WriteIdInfo(writeId.get(), writeId.get(), 0));
    }
    LocationHandle locationHandle;
    if (location.isPresent()) {
        Path path = getPath(new HdfsContext(session, schemaName, tableName), location.get(), false);
        locationHandle = locationService.forNewTable(metastore, session, schemaName, tableName, writeIdInfo, Optional.of(path), HiveWriteUtils.OpertionType.CREATE_TABLE_AS);
    } else {
        locationHandle = locationService.forNewTable(metastore, session, schemaName, tableName, writeIdInfo, Optional.empty(), HiveWriteUtils.OpertionType.CREATE_TABLE_AS);
    }
    HiveOutputTableHandle result = new HiveOutputTableHandle(schemaName, tableName, columnHandles, metastore.generatePageSinkMetadata(new HiveIdentity(session), schemaTableName), locationHandle, tableStorageFormat, partitionStorageFormat, partitionedBy, bucketProperty, session.getUser(), tableProperties);
    LocationService.WriteInfo writeInfo = locationService.getQueryWriteInfo(locationHandle);
    metastore.declareIntentionToWrite(session, writeInfo.getWriteMode(), writeInfo.getWritePath(), schemaTableName);
    return result;
}

Example 18 with Database

use of io.prestosql.plugin.hive.metastore.Database in project boostkit-bigdata by kunpengcompute.

the class SqlStandardAccessControl method isDatabaseOwner.

private boolean isDatabaseOwner(ConnectorTransactionHandle transaction, ConnectorIdentity identity, String databaseName) {
    // all users are "owners" of the default database
    if (DEFAULT_DATABASE_NAME.equalsIgnoreCase(databaseName)) {
        return true;
    }
    if (isAdmin(transaction, identity)) {
        return true;
    }
    SemiTransactionalHiveMetastore metastore = metastoreProvider.apply(((HiveTransactionHandle) transaction));
    Optional<Database> databaseMetadata = metastore.getDatabase(databaseName);
    if (!databaseMetadata.isPresent()) {
        return false;
    }
    Database database = databaseMetadata.get();
    // a database can be owned by a user or role
    if (database.getOwnerType() == USER && identity.getUser().equals(database.getOwnerName())) {
        return true;
    }
    if (database.getOwnerType() == ROLE && isRoleEnabled(identity, metastore::listRoleGrants, database.getOwnerName())) {
        return true;
    }
    return false;
}