Examples with HiveFilterPartition com.netflix.metacat.connector.hive.util.HiveFilterPartition used on opensource projects

Example 1 with HiveFilterPartition

use of com.netflix.metacat.connector.hive.util.HiveFilterPartition in project metacat by Netflix.

the class DirectSqlGetPartition method filterPartitionsColumn.

/**
 * query partitions using filters from name or uri column.
 */
private List<String> filterPartitionsColumn(final String databaseName, final String tableName, final List<String> partitionNames, final String columnName, final String filterExpression, final Sort sort, final Pageable pageable, final boolean forceDisableAudit) {
    final FilterPartition filter = config.escapePartitionNameOnFilter() ? new HiveFilterPartition() : new FilterPartition();
    // batch exists
    final boolean isBatched = !Strings.isNullOrEmpty(filterExpression) && filterExpression.contains(FIELD_BATCHID);
    final boolean hasDateCreated = !Strings.isNullOrEmpty(filterExpression) && filterExpression.contains(FIELD_DATE_CREATED);
    ResultSetExtractor<List<String>> handler = rs -> {
        final List<String> columns = Lists.newArrayList();
        while (rs.next()) {
            final String name = rs.getString(PARTITION_NAME);
            final String uri = rs.getString(PARTITION_URI);
            final long createdDate = rs.getLong(FIELD_DATE_CREATED);
            Map<String, String> values = null;
            if (hasDateCreated) {
                values = Maps.newHashMap();
                values.put(FIELD_DATE_CREATED, createdDate + "");
            }
            if (Strings.isNullOrEmpty(filterExpression) || filter.evaluatePartitionExpression(filterExpression, name, uri, isBatched, values)) {
                columns.add(rs.getString(columnName));
            }
        }
        return columns;
    };
    return getHandlerResults(databaseName, tableName, filterExpression, partitionNames, SQL.SQL_GET_PARTITIONS_WITH_KEY_URI, handler, sort, pageable, forceDisableAudit);
}

Example 2 with HiveFilterPartition

use of com.netflix.metacat.connector.hive.util.HiveFilterPartition in project metacat by Netflix.

the class DirectSqlGetPartition method getPartitions.

private List<PartitionHolder> getPartitions(final String databaseName, final String tableName, @Nullable final List<String> partitionIds, @Nullable final String filterExpression, @Nullable final Sort sort, @Nullable final Pageable pageable, final boolean includePartitionDetails, final boolean forceDisableAudit) {
    final FilterPartition filter = config.escapePartitionNameOnFilter() ? new HiveFilterPartition() : new FilterPartition();
    // batch exists
    final boolean isBatched = !Strings.isNullOrEmpty(filterExpression) && filterExpression.contains(FIELD_BATCHID);
    final boolean hasDateCreated = !Strings.isNullOrEmpty(filterExpression) && filterExpression.contains(FIELD_DATE_CREATED);
    // Handler for reading the result set
    final ResultSetExtractor<List<PartitionHolder>> handler = rs -> {
        final List<PartitionHolder> result = Lists.newArrayList();
        final QualifiedName tableQName = QualifiedName.ofTable(catalogName, databaseName, tableName);
        int noOfRows = 0;
        while (rs.next()) {
            noOfRows++;
            final String name = rs.getString("name");
            final String uri = rs.getString("uri");
            final long createdDate = rs.getLong(FIELD_DATE_CREATED);
            Map<String, String> values = null;
            if (hasDateCreated) {
                values = Maps.newHashMap();
                values.put(FIELD_DATE_CREATED, createdDate + "");
            }
            if (Strings.isNullOrEmpty(filterExpression) || filter.evaluatePartitionExpression(filterExpression, name, uri, isBatched, values)) {
                final Long id = rs.getLong("id");
                final Long sdId = rs.getLong("sd_id");
                final Long serdeId = rs.getLong("serde_id");
                final String inputFormat = rs.getString("input_format");
                final String outputFormat = rs.getString("output_format");
                final String serializationLib = rs.getString("slib");
                final StorageInfo storageInfo = new StorageInfo();
                storageInfo.setUri(uri);
                storageInfo.setInputFormat(inputFormat);
                storageInfo.setOutputFormat(outputFormat);
                storageInfo.setSerializationLib(serializationLib);
                final AuditInfo auditInfo = new AuditInfo();
                auditInfo.setCreatedDate(Date.from(Instant.ofEpochSecond(createdDate)));
                auditInfo.setLastModifiedDate(Date.from(Instant.ofEpochSecond(createdDate)));
                result.add(new PartitionHolder(id, sdId, serdeId, PartitionInfo.builder().name(QualifiedName.ofPartition(catalogName, databaseName, tableName, name)).auditInfo(auditInfo).serde(storageInfo).build()));
            }
            // Fail if the number of partitions exceeds the threshold limit.
            if (result.size() > config.getMaxPartitionsThreshold()) {
                registry.counter(registry.createId(HiveMetrics.CounterHiveGetPartitionsExceedThresholdFailure.getMetricName()).withTags(tableQName.parts())).increment();
                final String message = String.format("Number of partitions queried for table %s exceeded the threshold %d", tableQName, config.getMaxPartitionsThreshold());
                log.warn(message);
                throw new IllegalArgumentException(message);
            }
        }
        registry.gauge(registry.createId(HiveMetrics.GaugePreExpressionFilterGetPartitionsCount.getMetricName()).withTags(tableQName.parts())).set(noOfRows);
        return result;
    };
    final List<PartitionHolder> partitions = this.getHandlerResults(databaseName, tableName, filterExpression, partitionIds, SQL.SQL_GET_PARTITIONS, handler, sort, pageable, forceDisableAudit);
    if (includePartitionDetails && !partitions.isEmpty()) {
        final List<Long> partIds = Lists.newArrayListWithCapacity(partitions.size());
        final List<Long> sdIds = Lists.newArrayListWithCapacity(partitions.size());
        final List<Long> serdeIds = Lists.newArrayListWithCapacity(partitions.size());
        for (PartitionHolder partitionHolder : partitions) {
            partIds.add(partitionHolder.getId());
            sdIds.add(partitionHolder.getSdId());
            serdeIds.add(partitionHolder.getSerdeId());
        }
        final List<ListenableFuture<Void>> futures = Lists.newArrayList();
        final Map<Long, Map<String, String>> partitionParams = Maps.newHashMap();
        futures.add(threadServiceManager.getExecutor().submit(() -> populateParameters(partIds, SQL.SQL_GET_PARTITION_PARAMS, "part_id", partitionParams)));
        final Map<Long, Map<String, String>> sdParams = Maps.newHashMap();
        if (!sdIds.isEmpty()) {
            futures.add(threadServiceManager.getExecutor().submit(() -> populateParameters(sdIds, SQL.SQL_GET_SD_PARAMS, "sd_id", sdParams)));
        }
        final Map<Long, Map<String, String>> serdeParams = Maps.newHashMap();
        if (!serdeIds.isEmpty()) {
            futures.add(threadServiceManager.getExecutor().submit(() -> populateParameters(serdeIds, SQL.SQL_GET_SERDE_PARAMS, "serde_id", serdeParams)));
        }
        ListenableFuture<List<Void>> future = null;
        try {
            future = Futures.allAsList(futures);
            final int getPartitionsDetailsTimeout = Integer.parseInt(configuration.getOrDefault(HiveConfigConstants.GET_PARTITION_DETAILS_TIMEOUT, "120"));
            future.get(getPartitionsDetailsTimeout, TimeUnit.SECONDS);
        } catch (InterruptedException | ExecutionException | TimeoutException e) {
            try {
                if (future != null) {
                    future.cancel(true);
                }
            } catch (Exception ignored) {
                log.warn("Failed cancelling the task that gets the partition details.");
            }
            Throwables.propagate(e);
        }
        for (PartitionHolder partitionHolder : partitions) {
            partitionHolder.getPartitionInfo().setMetadata(partitionParams.get(partitionHolder.getId()));
            partitionHolder.getPartitionInfo().getSerde().setParameters(sdParams.get(partitionHolder.getSdId()));
            partitionHolder.getPartitionInfo().getSerde().setSerdeInfoParameters(serdeParams.get(partitionHolder.getSerdeId()));
        }
    }
    return partitions;
}