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

Example 51 with StorageDescriptor

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

the class TestHBaseStore method createMultiColumnTable.

private Table createMultiColumnTable(String tblName, String... types) throws Exception {
    List<FieldSchema> cols = new ArrayList<FieldSchema>();
    for (int i = 0; i < types.length; i++) cols.add(new FieldSchema("col" + i, types[i], ""));
    SerDeInfo serde = new SerDeInfo("serde", "seriallib", null);
    Map<String, String> params = new HashMap<String, String>();
    params.put("key", "value");
    StorageDescriptor sd = new StorageDescriptor(cols, "file:/tmp", "input", "output", false, 17, serde, Arrays.asList("bucketcol"), Arrays.asList(new Order("sortcol", 1)), params);
    int currentTime = (int) (System.currentTimeMillis() / 1000);
    Table table = new Table(tblName, DB, "me", currentTime, currentTime, 0, sd, cols, emptyParameters, null, null, null);
    store.createTable(table);
    return table;
}

Example 52 with StorageDescriptor

use of org.apache.hadoop.hive.metastore.api.StorageDescriptor in project presto by prestodb.

the class MetastoreUtil method fromMetastoreApiPartition.

public static Partition fromMetastoreApiPartition(org.apache.hadoop.hive.metastore.api.Partition partition) {
    StorageDescriptor storageDescriptor = partition.getSd();
    if (storageDescriptor == null) {
        throw new PrestoException(HIVE_INVALID_METADATA, "Partition does not contain a storage descriptor: " + partition);
    }
    Partition.Builder partitionBuilder = Partition.builder().setDatabaseName(partition.getDbName()).setTableName(partition.getTableName()).setValues(partition.getValues()).setColumns(storageDescriptor.getCols().stream().map(MetastoreUtil::fromMetastoreApiFieldSchema).collect(toList())).setParameters(partition.getParameters());
    fromMetastoreApiStorageDescriptor(storageDescriptor, partitionBuilder.getStorageBuilder(), format("%s.%s", partition.getTableName(), partition.getValues()));
    return partitionBuilder.build();
}

Example 53 with StorageDescriptor

use of org.apache.hadoop.hive.metastore.api.StorageDescriptor in project presto by prestodb.

the class MetastoreUtil method fromMetastoreApiTable.

public static Table fromMetastoreApiTable(org.apache.hadoop.hive.metastore.api.Table table) {
    StorageDescriptor storageDescriptor = table.getSd();
    if (storageDescriptor == null) {
        throw new PrestoException(HIVE_INVALID_METADATA, "Table is missing storage descriptor");
    }
    Table.Builder tableBuilder = Table.builder().setDatabaseName(table.getDbName()).setTableName(table.getTableName()).setOwner(nullToEmpty(table.getOwner())).setTableType(table.getTableType()).setDataColumns(storageDescriptor.getCols().stream().map(MetastoreUtil::fromMetastoreApiFieldSchema).collect(toList())).setPartitionColumns(table.getPartitionKeys().stream().map(MetastoreUtil::fromMetastoreApiFieldSchema).collect(toList())).setParameters(table.getParameters() == null ? ImmutableMap.of() : table.getParameters()).setViewOriginalText(Optional.ofNullable(emptyToNull(table.getViewOriginalText()))).setViewExpandedText(Optional.ofNullable(emptyToNull(table.getViewExpandedText())));
    fromMetastoreApiStorageDescriptor(storageDescriptor, tableBuilder.getStorageBuilder(), table.getTableName());
    return tableBuilder.build();
}

Example 54 with StorageDescriptor

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

the class DDLTask method alterTableOrSinglePartition.

private List<Task<?>> alterTableOrSinglePartition(AlterTableDesc alterTbl, Table tbl, Partition part) throws HiveException {
    EnvironmentContext environmentContext = alterTbl.getEnvironmentContext();
    if (environmentContext == null) {
        environmentContext = new EnvironmentContext();
        alterTbl.setEnvironmentContext(environmentContext);
    }
    // do not need update stats in alter table/partition operations
    if (environmentContext.getProperties() == null || environmentContext.getProperties().get(StatsSetupConst.DO_NOT_UPDATE_STATS) == null) {
        environmentContext.putToProperties(StatsSetupConst.DO_NOT_UPDATE_STATS, StatsSetupConst.TRUE);
    }
    if (alterTbl.getOp() == AlterTableDesc.AlterTableTypes.RENAME) {
        tbl.setDbName(Utilities.getDatabaseName(alterTbl.getNewName()));
        tbl.setTableName(Utilities.getTableName(alterTbl.getNewName()));
    } else if (alterTbl.getOp() == AlterTableDesc.AlterTableTypes.ADDCOLS) {
        StorageDescriptor sd = retrieveStorageDescriptor(tbl, part);
        String serializationLib = sd.getSerdeInfo().getSerializationLib();
        AvroSerdeUtils.handleAlterTableForAvro(conf, serializationLib, tbl.getTTable().getParameters());
        List<FieldSchema> oldCols = (part == null ? tbl.getColsForMetastore() : part.getColsForMetastore());
        List<FieldSchema> newCols = alterTbl.getNewCols();
        if (serializationLib.equals("org.apache.hadoop.hive.serde.thrift.columnsetSerDe")) {
            console.printInfo("Replacing columns for columnsetSerDe and changing to LazySimpleSerDe");
            sd.getSerdeInfo().setSerializationLib(LazySimpleSerDe.class.getName());
            sd.setCols(newCols);
        } else {
            // make sure the columns does not already exist
            Iterator<FieldSchema> iterNewCols = newCols.iterator();
            while (iterNewCols.hasNext()) {
                FieldSchema newCol = iterNewCols.next();
                String newColName = newCol.getName();
                Iterator<FieldSchema> iterOldCols = oldCols.iterator();
                while (iterOldCols.hasNext()) {
                    String oldColName = iterOldCols.next().getName();
                    if (oldColName.equalsIgnoreCase(newColName)) {
                        throw new HiveException(ErrorMsg.DUPLICATE_COLUMN_NAMES, newColName);
                    }
                }
                oldCols.add(newCol);
            }
            sd.setCols(oldCols);
        }
    } else if (alterTbl.getOp() == AlterTableDesc.AlterTableTypes.RENAMECOLUMN) {
        StorageDescriptor sd = retrieveStorageDescriptor(tbl, part);
        String serializationLib = sd.getSerdeInfo().getSerializationLib();
        AvroSerdeUtils.handleAlterTableForAvro(conf, serializationLib, tbl.getTTable().getParameters());
        List<FieldSchema> oldCols = (part == null ? tbl.getColsForMetastore() : part.getColsForMetastore());
        List<FieldSchema> newCols = new ArrayList<FieldSchema>();
        Iterator<FieldSchema> iterOldCols = oldCols.iterator();
        String oldName = alterTbl.getOldColName();
        String newName = alterTbl.getNewColName();
        String type = alterTbl.getNewColType();
        String comment = alterTbl.getNewColComment();
        boolean first = alterTbl.getFirst();
        String afterCol = alterTbl.getAfterCol();
        // if orc table, restrict reordering columns as it will break schema evolution
        boolean isOrcSchemaEvolution = sd.getInputFormat().equals(OrcInputFormat.class.getName()) && isSchemaEvolutionEnabled(tbl);
        if (isOrcSchemaEvolution && (first || (afterCol != null && !afterCol.trim().isEmpty()))) {
            throw new HiveException(ErrorMsg.CANNOT_REORDER_COLUMNS, alterTbl.getOldName());
        }
        FieldSchema column = null;
        boolean found = false;
        int position = -1;
        if (first) {
            position = 0;
        }
        int i = 1;
        while (iterOldCols.hasNext()) {
            FieldSchema col = iterOldCols.next();
            String oldColName = col.getName();
            if (oldColName.equalsIgnoreCase(newName) && !oldColName.equalsIgnoreCase(oldName)) {
                throw new HiveException(ErrorMsg.DUPLICATE_COLUMN_NAMES, newName);
            } else if (oldColName.equalsIgnoreCase(oldName)) {
                col.setName(newName);
                if (type != null && !type.trim().equals("")) {
                    col.setType(type);
                }
                if (comment != null) {
                    col.setComment(comment);
                }
                found = true;
                if (first || (afterCol != null && !afterCol.trim().equals(""))) {
                    column = col;
                    continue;
                }
            }
            if (afterCol != null && !afterCol.trim().equals("") && oldColName.equalsIgnoreCase(afterCol)) {
                position = i;
            }
            i++;
            newCols.add(col);
        }
        // did not find the column
        if (!found) {
            throw new HiveException(ErrorMsg.INVALID_COLUMN, oldName);
        }
        // after column is not null, but we did not find it.
        if ((afterCol != null && !afterCol.trim().equals("")) && position < 0) {
            throw new HiveException(ErrorMsg.INVALID_COLUMN, afterCol);
        }
        if (position >= 0) {
            newCols.add(position, column);
        }
        sd.setCols(newCols);
    } else if (alterTbl.getOp() == AlterTableDesc.AlterTableTypes.REPLACECOLS) {
        StorageDescriptor sd = retrieveStorageDescriptor(tbl, part);
        // change SerDe to LazySimpleSerDe if it is columnsetSerDe
        String serializationLib = sd.getSerdeInfo().getSerializationLib();
        if (serializationLib.equals("org.apache.hadoop.hive.serde.thrift.columnsetSerDe")) {
            console.printInfo("Replacing columns for columnsetSerDe and changing to LazySimpleSerDe");
            sd.getSerdeInfo().setSerializationLib(LazySimpleSerDe.class.getName());
        } else if (!serializationLib.equals(MetadataTypedColumnsetSerDe.class.getName()) && !serializationLib.equals(LazySimpleSerDe.class.getName()) && !serializationLib.equals(ColumnarSerDe.class.getName()) && !serializationLib.equals(DynamicSerDe.class.getName()) && !serializationLib.equals(ParquetHiveSerDe.class.getName()) && !serializationLib.equals(OrcSerde.class.getName())) {
            throw new HiveException(ErrorMsg.CANNOT_REPLACE_COLUMNS, alterTbl.getOldName());
        }
        final boolean isOrcSchemaEvolution = serializationLib.equals(OrcSerde.class.getName()) && isSchemaEvolutionEnabled(tbl);
        // adding columns and limited integer type promotion is supported for ORC schema evolution
        if (isOrcSchemaEvolution) {
            final List<FieldSchema> existingCols = sd.getCols();
            final List<FieldSchema> replaceCols = alterTbl.getNewCols();
            if (replaceCols.size() < existingCols.size()) {
                throw new HiveException(ErrorMsg.REPLACE_CANNOT_DROP_COLUMNS, alterTbl.getOldName());
            }
        }
        boolean partitioned = tbl.isPartitioned();
        boolean droppingColumns = alterTbl.getNewCols().size() < sd.getCols().size();
        if (ParquetHiveSerDe.isParquetTable(tbl) && isSchemaEvolutionEnabled(tbl) && !alterTbl.getIsCascade() && droppingColumns && partitioned) {
            LOG.warn("Cannot drop columns from a partitioned parquet table without the CASCADE option");
            throw new HiveException(ErrorMsg.REPLACE_CANNOT_DROP_COLUMNS, alterTbl.getOldName());
        }
        sd.setCols(alterTbl.getNewCols());
    } else if (alterTbl.getOp() == AlterTableDesc.AlterTableTypes.ADDPROPS) {
        return alterTableAddProps(alterTbl, tbl, part, environmentContext);
    } else if (alterTbl.getOp() == AlterTableDesc.AlterTableTypes.DROPPROPS) {
        return alterTableDropProps(alterTbl, tbl, part, environmentContext);
    } else if (alterTbl.getOp() == AlterTableDesc.AlterTableTypes.ADDSERDEPROPS) {
        StorageDescriptor sd = retrieveStorageDescriptor(tbl, part);
        sd.getSerdeInfo().getParameters().putAll(alterTbl.getProps());
    } else if (alterTbl.getOp() == AlterTableDesc.AlterTableTypes.ADDSERDE) {
        StorageDescriptor sd = retrieveStorageDescriptor(tbl, part);
        String serdeName = alterTbl.getSerdeName();
        String oldSerdeName = sd.getSerdeInfo().getSerializationLib();
        // if orc table, restrict changing the serde as it can break schema evolution
        if (isSchemaEvolutionEnabled(tbl) && oldSerdeName.equalsIgnoreCase(OrcSerde.class.getName()) && !serdeName.equalsIgnoreCase(OrcSerde.class.getName())) {
            throw new HiveException(ErrorMsg.CANNOT_CHANGE_SERDE, OrcSerde.class.getSimpleName(), alterTbl.getOldName());
        }
        sd.getSerdeInfo().setSerializationLib(serdeName);
        if ((alterTbl.getProps() != null) && (alterTbl.getProps().size() > 0)) {
            sd.getSerdeInfo().getParameters().putAll(alterTbl.getProps());
        }
        if (part != null) {
            // TODO: wtf? This doesn't do anything.
            part.getTPartition().getSd().setCols(part.getTPartition().getSd().getCols());
        } else {
            if (Table.shouldStoreFieldsInMetastore(conf, serdeName, tbl.getParameters()) && !Table.hasMetastoreBasedSchema(conf, oldSerdeName)) {
                // from old SerDe are too long to be stored in metastore, but there's nothing we can do.
                try {
                    Deserializer oldSerde = HiveMetaStoreUtils.getDeserializer(conf, tbl.getTTable(), false, oldSerdeName);
                    tbl.setFields(Hive.getFieldsFromDeserializer(tbl.getTableName(), oldSerde));
                } catch (MetaException ex) {
                    throw new HiveException(ex);
                }
            }
        }
    } else if (alterTbl.getOp() == AlterTableDesc.AlterTableTypes.ADDFILEFORMAT) {
        StorageDescriptor sd = retrieveStorageDescriptor(tbl, part);
        // if orc table, restrict changing the file format as it can break schema evolution
        if (isSchemaEvolutionEnabled(tbl) && sd.getInputFormat().equals(OrcInputFormat.class.getName()) && !alterTbl.getInputFormat().equals(OrcInputFormat.class.getName())) {
            throw new HiveException(ErrorMsg.CANNOT_CHANGE_FILEFORMAT, "ORC", alterTbl.getOldName());
        }
        sd.setInputFormat(alterTbl.getInputFormat());
        sd.setOutputFormat(alterTbl.getOutputFormat());
        if (alterTbl.getSerdeName() != null) {
            sd.getSerdeInfo().setSerializationLib(alterTbl.getSerdeName());
        }
    } else if (alterTbl.getOp() == AlterTableDesc.AlterTableTypes.ADDCLUSTERSORTCOLUMN) {
        StorageDescriptor sd = retrieveStorageDescriptor(tbl, part);
        // validate sort columns and bucket columns
        List<String> columns = Utilities.getColumnNamesFromFieldSchema(tbl.getCols());
        if (!alterTbl.isTurnOffSorting()) {
            Utilities.validateColumnNames(columns, alterTbl.getBucketColumns());
        }
        if (alterTbl.getSortColumns() != null) {
            Utilities.validateColumnNames(columns, Utilities.getColumnNamesFromSortCols(alterTbl.getSortColumns()));
        }
        if (alterTbl.isTurnOffSorting()) {
            sd.setSortCols(new ArrayList<Order>());
        } else if (alterTbl.getNumberBuckets() == -1) {
            // -1 buckets means to turn off bucketing
            sd.setBucketCols(new ArrayList<String>());
            sd.setNumBuckets(-1);
            sd.setSortCols(new ArrayList<Order>());
        } else {
            sd.setBucketCols(alterTbl.getBucketColumns());
            sd.setNumBuckets(alterTbl.getNumberBuckets());
            sd.setSortCols(alterTbl.getSortColumns());
        }
    } else if (alterTbl.getOp() == AlterTableDesc.AlterTableTypes.ALTERLOCATION) {
        StorageDescriptor sd = retrieveStorageDescriptor(tbl, part);
        String newLocation = alterTbl.getNewLocation();
        try {
            URI locUri = new URI(newLocation);
            if (!new Path(locUri).isAbsolute()) {
                throw new HiveException(ErrorMsg.BAD_LOCATION_VALUE, newLocation);
            }
            sd.setLocation(newLocation);
        } catch (URISyntaxException e) {
            throw new HiveException(e);
        }
        environmentContext.getProperties().remove(StatsSetupConst.DO_NOT_UPDATE_STATS);
    } else if (alterTbl.getOp() == AlterTableDesc.AlterTableTypes.ADDSKEWEDBY) {
        // Validation's been done at compile time. no validation is needed here.
        List<String> skewedColNames = null;
        List<List<String>> skewedValues = null;
        if (alterTbl.isTurnOffSkewed()) {
            // Convert skewed table to non-skewed table.
            skewedColNames = new ArrayList<String>();
            skewedValues = new ArrayList<List<String>>();
        } else {
            skewedColNames = alterTbl.getSkewedColNames();
            skewedValues = alterTbl.getSkewedColValues();
        }
        if (null == tbl.getSkewedInfo()) {
            // Convert non-skewed table to skewed table.
            SkewedInfo skewedInfo = new SkewedInfo();
            skewedInfo.setSkewedColNames(skewedColNames);
            skewedInfo.setSkewedColValues(skewedValues);
            tbl.setSkewedInfo(skewedInfo);
        } else {
            tbl.setSkewedColNames(skewedColNames);
            tbl.setSkewedColValues(skewedValues);
        }
        tbl.setStoredAsSubDirectories(alterTbl.isStoredAsSubDirectories());
    } else if (alterTbl.getOp() == AlterTableDesc.AlterTableTypes.ALTERSKEWEDLOCATION) {
        // process location one-by-one
        Map<List<String>, String> locMaps = alterTbl.getSkewedLocations();
        Set<List<String>> keys = locMaps.keySet();
        for (List<String> key : keys) {
            String newLocation = locMaps.get(key);
            try {
                URI locUri = new URI(newLocation);
                if (part != null) {
                    List<String> slk = new ArrayList<String>(key);
                    part.setSkewedValueLocationMap(slk, locUri.toString());
                } else {
                    List<String> slk = new ArrayList<String>(key);
                    tbl.setSkewedValueLocationMap(slk, locUri.toString());
                }
            } catch (URISyntaxException e) {
                throw new HiveException(e);
            }
        }
        environmentContext.getProperties().remove(StatsSetupConst.DO_NOT_UPDATE_STATS);
    } else if (alterTbl.getOp() == AlterTableTypes.ALTERBUCKETNUM) {
        if (part != null) {
            if (part.getBucketCount() == alterTbl.getNumberBuckets()) {
                return null;
            }
            part.setBucketCount(alterTbl.getNumberBuckets());
        } else {
            if (tbl.getNumBuckets() == alterTbl.getNumberBuckets()) {
                return null;
            }
            tbl.setNumBuckets(alterTbl.getNumberBuckets());
        }
    } else {
        throw new HiveException(ErrorMsg.UNSUPPORTED_ALTER_TBL_OP, alterTbl.getOp().toString());
    }
    return null;
}

Example 55 with StorageDescriptor

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

the class DDLTask method showCreateTable.

private int showCreateTable(Hive db, DataOutputStream outStream, String tableName) throws HiveException {
    final String EXTERNAL = "external";
    final String TEMPORARY = "temporary";
    final String LIST_COLUMNS = "columns";
    final String TBL_COMMENT = "tbl_comment";
    final String LIST_PARTITIONS = "partitions";
    final String SORT_BUCKET = "sort_bucket";
    final String SKEWED_INFO = "tbl_skewedinfo";
    final String ROW_FORMAT = "row_format";
    final String TBL_LOCATION = "tbl_location";
    final String TBL_PROPERTIES = "tbl_properties";
    boolean needsLocation = true;
    StringBuilder createTab_str = new StringBuilder();
    Table tbl = db.getTable(tableName, false);
    List<String> duplicateProps = new ArrayList<String>();
    try {
        needsLocation = doesTableNeedLocation(tbl);
        if (tbl.isView()) {
            String createTab_stmt = "CREATE VIEW `" + tableName + "` AS " + tbl.getViewExpandedText();
            outStream.write(createTab_stmt.getBytes(StandardCharsets.UTF_8));
            return 0;
        }
        createTab_str.append("CREATE <" + TEMPORARY + "><" + EXTERNAL + ">TABLE `");
        createTab_str.append(tableName + "`(\n");
        createTab_str.append("<" + LIST_COLUMNS + ">)\n");
        createTab_str.append("<" + TBL_COMMENT + ">\n");
        createTab_str.append("<" + LIST_PARTITIONS + ">\n");
        createTab_str.append("<" + SORT_BUCKET + ">\n");
        createTab_str.append("<" + SKEWED_INFO + ">\n");
        createTab_str.append("<" + ROW_FORMAT + ">\n");
        if (needsLocation) {
            createTab_str.append("LOCATION\n");
            createTab_str.append("<" + TBL_LOCATION + ">\n");
        }
        createTab_str.append("TBLPROPERTIES (\n");
        createTab_str.append("<" + TBL_PROPERTIES + ">)\n");
        ST createTab_stmt = new ST(createTab_str.toString());
        // For cases where the table is temporary
        String tbl_temp = "";
        if (tbl.isTemporary()) {
            duplicateProps.add("TEMPORARY");
            tbl_temp = "TEMPORARY ";
        }
        // For cases where the table is external
        String tbl_external = "";
        if (tbl.getTableType() == TableType.EXTERNAL_TABLE) {
            duplicateProps.add("EXTERNAL");
            tbl_external = "EXTERNAL ";
        }
        // Columns
        String tbl_columns = "";
        List<FieldSchema> cols = tbl.getCols();
        List<String> columns = new ArrayList<String>();
        for (FieldSchema col : cols) {
            String columnDesc = "  `" + col.getName() + "` " + col.getType();
            if (col.getComment() != null) {
                columnDesc = columnDesc + " COMMENT '" + HiveStringUtils.escapeHiveCommand(col.getComment()) + "'";
            }
            columns.add(columnDesc);
        }
        tbl_columns = StringUtils.join(columns, ", \n");
        // Table comment
        String tbl_comment = "";
        String tabComment = tbl.getProperty("comment");
        if (tabComment != null) {
            duplicateProps.add("comment");
            tbl_comment = "COMMENT '" + HiveStringUtils.escapeHiveCommand(tabComment) + "'";
        }
        // Partitions
        String tbl_partitions = "";
        List<FieldSchema> partKeys = tbl.getPartitionKeys();
        if (partKeys.size() > 0) {
            tbl_partitions += "PARTITIONED BY ( \n";
            List<String> partCols = new ArrayList<String>();
            for (FieldSchema partKey : partKeys) {
                String partColDesc = "  `" + partKey.getName() + "` " + partKey.getType();
                if (partKey.getComment() != null) {
                    partColDesc = partColDesc + " COMMENT '" + HiveStringUtils.escapeHiveCommand(partKey.getComment()) + "'";
                }
                partCols.add(partColDesc);
            }
            tbl_partitions += StringUtils.join(partCols, ", \n");
            tbl_partitions += ")";
        }
        // Clusters (Buckets)
        String tbl_sort_bucket = "";
        List<String> buckCols = tbl.getBucketCols();
        if (buckCols.size() > 0) {
            duplicateProps.add("SORTBUCKETCOLSPREFIX");
            tbl_sort_bucket += "CLUSTERED BY ( \n  ";
            tbl_sort_bucket += StringUtils.join(buckCols, ", \n  ");
            tbl_sort_bucket += ") \n";
            List<Order> sortCols = tbl.getSortCols();
            if (sortCols.size() > 0) {
                tbl_sort_bucket += "SORTED BY ( \n";
                // Order
                List<String> sortKeys = new ArrayList<String>();
                for (Order sortCol : sortCols) {
                    String sortKeyDesc = "  " + sortCol.getCol() + " ";
                    if (sortCol.getOrder() == BaseSemanticAnalyzer.HIVE_COLUMN_ORDER_ASC) {
                        sortKeyDesc = sortKeyDesc + "ASC";
                    } else if (sortCol.getOrder() == BaseSemanticAnalyzer.HIVE_COLUMN_ORDER_DESC) {
                        sortKeyDesc = sortKeyDesc + "DESC";
                    }
                    sortKeys.add(sortKeyDesc);
                }
                tbl_sort_bucket += StringUtils.join(sortKeys, ", \n");
                tbl_sort_bucket += ") \n";
            }
            tbl_sort_bucket += "INTO " + tbl.getNumBuckets() + " BUCKETS";
        }
        // Skewed Info
        StringBuilder tbl_skewedinfo = new StringBuilder();
        SkewedInfo skewedInfo = tbl.getSkewedInfo();
        if (skewedInfo != null && !skewedInfo.getSkewedColNames().isEmpty()) {
            tbl_skewedinfo.append("SKEWED BY (" + StringUtils.join(skewedInfo.getSkewedColNames(), ",") + ")\n");
            tbl_skewedinfo.append("  ON (");
            List<String> colValueList = new ArrayList<String>();
            for (List<String> colValues : skewedInfo.getSkewedColValues()) {
                colValueList.add("('" + StringUtils.join(colValues, "','") + "')");
            }
            tbl_skewedinfo.append(StringUtils.join(colValueList, ",") + ")");
            if (tbl.isStoredAsSubDirectories()) {
                tbl_skewedinfo.append("\n  STORED AS DIRECTORIES");
            }
        }
        // Row format (SerDe)
        StringBuilder tbl_row_format = new StringBuilder();
        StorageDescriptor sd = tbl.getTTable().getSd();
        SerDeInfo serdeInfo = sd.getSerdeInfo();
        Map<String, String> serdeParams = serdeInfo.getParameters();
        tbl_row_format.append("ROW FORMAT SERDE \n");
        tbl_row_format.append("  '" + HiveStringUtils.escapeHiveCommand(serdeInfo.getSerializationLib()) + "' \n");
        if (tbl.getStorageHandler() == null) {
            // SERDE properties
            if (Warehouse.DEFAULT_SERIALIZATION_FORMAT.equals(serdeParams.get(serdeConstants.SERIALIZATION_FORMAT))) {
                serdeParams.remove(serdeConstants.SERIALIZATION_FORMAT);
            }
            if (!serdeParams.isEmpty()) {
                appendSerdeParams(tbl_row_format, serdeParams).append(" \n");
            }
            tbl_row_format.append("STORED AS INPUTFORMAT \n  '" + HiveStringUtils.escapeHiveCommand(sd.getInputFormat()) + "' \n");
            tbl_row_format.append("OUTPUTFORMAT \n  '" + HiveStringUtils.escapeHiveCommand(sd.getOutputFormat()) + "'");
        } else {
            duplicateProps.add(META_TABLE_STORAGE);
            tbl_row_format.append("STORED BY \n  '" + HiveStringUtils.escapeHiveCommand(tbl.getParameters().get(META_TABLE_STORAGE)) + "' \n");
            // SerDe Properties
            if (!serdeParams.isEmpty()) {
                appendSerdeParams(tbl_row_format, serdeInfo.getParameters());
            }
        }
        String tbl_location = "  '" + HiveStringUtils.escapeHiveCommand(sd.getLocation()) + "'";
        // Table properties
        duplicateProps.addAll(Arrays.asList(StatsSetupConst.TABLE_PARAMS_STATS_KEYS));
        String tbl_properties = propertiesToString(tbl.getParameters(), duplicateProps);
        createTab_stmt.add(TEMPORARY, tbl_temp);
        createTab_stmt.add(EXTERNAL, tbl_external);
        createTab_stmt.add(LIST_COLUMNS, tbl_columns);
        createTab_stmt.add(TBL_COMMENT, tbl_comment);
        createTab_stmt.add(LIST_PARTITIONS, tbl_partitions);
        createTab_stmt.add(SORT_BUCKET, tbl_sort_bucket);
        createTab_stmt.add(SKEWED_INFO, tbl_skewedinfo);
        createTab_stmt.add(ROW_FORMAT, tbl_row_format);
        // Table location should not be printed with hbase backed tables
        if (needsLocation) {
            createTab_stmt.add(TBL_LOCATION, tbl_location);
        }
        createTab_stmt.add(TBL_PROPERTIES, tbl_properties);
        outStream.write(createTab_stmt.render().getBytes(StandardCharsets.UTF_8));
    } catch (IOException e) {
        LOG.info("show create table: ", e);
        return 1;
    }
    return 0;
}