use of com.netflix.metacat.connector.hive.util.PartitionDetail in project metacat by Netflix.
the class HiveConnectorFastPartitionService method getpartitions.
private List<PartitionInfo> getpartitions(@Nonnull @NonNull final String databaseName, @Nonnull @NonNull final String tableName, @Nullable final List<String> partitionIds, final String filterExpression, final Sort sort, final Pageable pageable, final boolean includePartitionDetails) {
final FilterPartition filter = 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 ResultSetHandler<List<PartitionDetail>> handler = rs -> {
final List<PartitionDetail> result = Lists.newArrayList();
while (rs.next()) {
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 PartitionDetail(id, sdId, serdeId, PartitionInfo.builder().name(QualifiedName.ofPartition(catalogName, databaseName, tableName, name)).auditInfo(auditInfo).serde(storageInfo).build()));
}
}
return result;
};
final List<PartitionInfo> partitionInfos = new ArrayList<>();
final List<PartitionDetail> partitions = getHandlerResults(databaseName, tableName, filterExpression, partitionIds, SQL_GET_PARTITIONS, handler, sort, pageable);
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 (PartitionDetail partitionDetail : partitions) {
partIds.add(partitionDetail.getId());
sdIds.add(partitionDetail.getSdId());
serdeIds.add(partitionDetail.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_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_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_GET_SERDE_PARAMS, "serde_id", serdeParams)));
}
try {
Futures.transform(Futures.successfulAsList(futures), Functions.constant(null)).get(1, TimeUnit.HOURS);
} catch (Exception e) {
Throwables.propagate(e);
}
for (PartitionDetail partitionDetail : partitions) {
partitionDetail.getPartitionInfo().setMetadata(partitionParams.get(partitionDetail.getId()));
partitionDetail.getPartitionInfo().getSerde().setParameters(sdParams.get(partitionDetail.getSdId()));
partitionDetail.getPartitionInfo().getSerde().setSerdeInfoParameters(serdeParams.get(partitionDetail.getSerdeId()));
}
}
for (PartitionDetail partitionDetail : partitions) {
partitionInfos.add(partitionDetail.getPartitionInfo());
}
return partitionInfos;
}
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