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#include "clickhouse_config.h"
#if USE_RDKAFKA
#include <DataTypes/DataTypeArray.h>
#include <DataTypes/DataTypeString.h>
#include <DataTypes/DataTypesNumber.h>
#include <DataTypes/DataTypeDateTime.h>
#include <DataTypes/DataTypeDateTime64.h>
#include <DataTypes/DataTypeUUID.h>
#include <Columns/ColumnString.h>
#include <Columns/ColumnsNumber.h>
#include <Columns/ColumnsDateTime.h>
#include <Access/ContextAccess.h>
#include <Storages/System/StorageSystemKafkaConsumers.h>
#error #include <Storages/Kafka/StorageKafka.h>
#include <Interpreters/Context.h>
#include <Interpreters/DatabaseCatalog.h>
#include "base/types.h"
namespace DB
{
NamesAndTypesList StorageSystemKafkaConsumers::getNamesAndTypes()
{
NamesAndTypesList names_and_types{
{"database", std::make_shared<DataTypeString>()},
{"table", std::make_shared<DataTypeString>()},
{"consumer_id", std::make_shared<DataTypeString>()}, //(number? or string? - single clickhouse table can have many consumers)
{"assignments.topic", std::make_shared<DataTypeArray>(std::make_shared<DataTypeString>())},
{"assignments.partition_id", std::make_shared<DataTypeArray>(std::make_shared<DataTypeInt32>())},
{"assignments.current_offset", std::make_shared<DataTypeArray>(std::make_shared<DataTypeInt64>())},
{"exceptions.time", std::make_shared<DataTypeArray>(std::make_shared<DataTypeDateTime>())},
{"exceptions.text", std::make_shared<DataTypeArray>(std::make_shared<DataTypeString>())},
{"last_poll_time", std::make_shared<DataTypeDateTime>()},
{"num_messages_read", std::make_shared<DataTypeUInt64>()},
{"last_commit_time", std::make_shared<DataTypeDateTime>()},
{"num_commits", std::make_shared<DataTypeUInt64>()},
{"last_rebalance_time", std::make_shared<DataTypeDateTime>()},
{"num_rebalance_revocations", std::make_shared<DataTypeUInt64>()},
{"num_rebalance_assignments", std::make_shared<DataTypeUInt64>()},
{"is_currently_used", std::make_shared<DataTypeUInt8>()},
{"rdkafka_stat", std::make_shared<DataTypeString>()},
};
return names_and_types;
}
void StorageSystemKafkaConsumers::fillData(MutableColumns & res_columns, ContextPtr context, const SelectQueryInfo &) const
{
auto tables_mark_dropped = DatabaseCatalog::instance().getTablesMarkedDropped();
size_t index = 0;
auto & database = assert_cast<ColumnString &>(*res_columns[index++]);
auto & table = assert_cast<ColumnString &>(*res_columns[index++]);
auto & consumer_id = assert_cast<ColumnString &>(*res_columns[index++]); //(number? or string? - single clickhouse table can have many consumers)
auto & assigments_topics = assert_cast<ColumnString &>(assert_cast<ColumnArray &>(*res_columns[index]).getData());
auto & assigments_topics_offsets = assert_cast<ColumnArray &>(*res_columns[index++]).getOffsets();
auto & assigments_partition_id = assert_cast<ColumnInt32 &>(assert_cast<ColumnArray &>(*res_columns[index]).getData());
auto & assigments_partition_id_offsets = assert_cast<ColumnArray &>(*res_columns[index++]).getOffsets();
auto & assigments_current_offset = assert_cast<ColumnInt64 &>(assert_cast<ColumnArray &>(*res_columns[index]).getData());
auto & assigments_current_offset_offsets = assert_cast<ColumnArray &>(*res_columns[index++]).getOffsets();
auto & exceptions_time = assert_cast<ColumnDateTime &>(assert_cast<ColumnArray &>(*res_columns[index]).getData());
auto & exceptions_time_offset = assert_cast<ColumnArray &>(*res_columns[index++]).getOffsets();
auto & exceptions_text = assert_cast<ColumnString &>(assert_cast<ColumnArray &>(*res_columns[index]).getData());
auto & exceptions_text_offset = assert_cast<ColumnArray &>(*res_columns[index++]).getOffsets();
auto & last_poll_time = assert_cast<ColumnDateTime &>(*res_columns[index++]);
auto & num_messages_read = assert_cast<ColumnUInt64 &>(*res_columns[index++]);
auto & last_commit_time = assert_cast<ColumnDateTime &>(*res_columns[index++]);
auto & num_commits = assert_cast<ColumnUInt64 &>(*res_columns[index++]);
auto & last_rebalance_time = assert_cast<ColumnDateTime &>(*res_columns[index++]);
auto & num_rebalance_revocations = assert_cast<ColumnUInt64 &>(*res_columns[index++]);
auto & num_rebalance_assigments = assert_cast<ColumnUInt64 &>(*res_columns[index++]);
auto & is_currently_used = assert_cast<ColumnUInt8 &>(*res_columns[index++]);
auto & rdkafka_stat = assert_cast<ColumnString &>(*res_columns[index++]);
const auto access = context->getAccess();
size_t last_assignment_num = 0;
size_t exceptions_num = 0;
auto add_row = [&](const DatabaseTablesIteratorPtr & it, StorageKafka * storage_kafka_ptr)
{
if (!access->isGranted(AccessType::SHOW_TABLES, it->databaseName(), it->name()))
{
return;
}
std::string database_str = it->databaseName();
std::string table_str = it->name();
auto safe_consumers = storage_kafka_ptr->getSafeConsumers();
for (const auto & weak_consumer : safe_consumers.consumers)
{
if (auto consumer = weak_consumer.lock())
{
auto consumer_stat = consumer->getStat();
database.insertData(database_str.data(), database_str.size());
table.insertData(table_str.data(), table_str.size());
consumer_id.insertData(consumer_stat.consumer_id.data(), consumer_stat.consumer_id.size());
const auto num_assignnemts = consumer_stat.assignments.size();
for (size_t num = 0; num < num_assignnemts; ++num)
{
const auto & assign = consumer_stat.assignments[num];
assigments_topics.insertData(assign.topic_str.data(), assign.topic_str.size());
assigments_partition_id.insert(assign.partition_id);
assigments_current_offset.insert(assign.current_offset);
}
last_assignment_num += num_assignnemts;
assigments_topics_offsets.push_back(last_assignment_num);
assigments_partition_id_offsets.push_back(last_assignment_num);
assigments_current_offset_offsets.push_back(last_assignment_num);
for (const auto & exc : consumer_stat.exceptions_buffer)
{
exceptions_text.insertData(exc.text.data(), exc.text.size());
exceptions_time.insert(exc.timestamp_usec);
}
exceptions_num += consumer_stat.exceptions_buffer.size();
exceptions_text_offset.push_back(exceptions_num);
exceptions_time_offset.push_back(exceptions_num);
last_poll_time.insert(consumer_stat.last_poll_time);
num_messages_read.insert(consumer_stat.num_messages_read);
last_commit_time.insert(consumer_stat.last_commit_timestamp_usec);
num_commits.insert(consumer_stat.num_commits);
last_rebalance_time.insert(consumer_stat.last_rebalance_timestamp_usec);
num_rebalance_revocations.insert(consumer_stat.num_rebalance_revocations);
num_rebalance_assigments.insert(consumer_stat.num_rebalance_assignments);
is_currently_used.insert(consumer_stat.in_use);
rdkafka_stat.insertData(consumer_stat.rdkafka_stat.data(), consumer_stat.rdkafka_stat.size());
}
}
};
const bool show_tables_granted = access->isGranted(AccessType::SHOW_TABLES);
if (show_tables_granted)
{
auto databases = DatabaseCatalog::instance().getDatabases();
for (const auto & db : databases)
{
for (auto iterator = db.second->getTablesIterator(context); iterator->isValid(); iterator->next())
{
StoragePtr storage = iterator->table();
if (auto * kafka_table = dynamic_cast<StorageKafka *>(storage.get()))
{
add_row(iterator, kafka_table);
}
}
}
}
}
}
#endif
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