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Fix fuzzed query.

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This commit is contained in:
Nikolai Kochetov 2023-04-04 11:41:42 +00:00
parent b327a93cf7
commit 8f4fb2aa3b
3 changed files with 38 additions and 17 deletions
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47
src/Processors/QueryPlan/Optimizations/optimizeUseAggregateProjection.cpp
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@ -245,6 +245,35 @@ std::optional<AggregateFunctionMatches> matchAggregateFunctions(
return res;
}
static void appendAggregateFunctions(
ActionsDAG & proj_dag,
const AggregateDescriptions & aggregates,
const AggregateFunctionMatches & matched_aggregates)
{
std::unordered_map<const AggregateDescription *, const ActionsDAG::Node *> inputs;
/// Just add all the aggregates to dag inputs.
auto & proj_dag_outputs = proj_dag.getOutputs();
size_t num_aggregates = aggregates.size();
for (size_t i = 0; i < num_aggregates; ++i)
{
const auto & aggregate = aggregates[i];
const auto & match = matched_aggregates[i];
auto type = std::make_shared<DataTypeAggregateFunction>(aggregate.function, match.argument_types, aggregate.parameters);
auto & input = inputs[match.description];
if (!input)
input = &proj_dag.addInput(match.description->column_name, std::move(type));
const auto * node = input;
if (node->result_name != aggregate.column_name)
node = &proj_dag.addAlias(*node, aggregate.column_name);
proj_dag_outputs.push_back(node);
}
}
ActionsDAGPtr analyzeAggregateProjection(
const AggregateProjectionInfo & info,
const QueryDAG & query,
@ -365,23 +394,7 @@ ActionsDAGPtr analyzeAggregateProjection(
// LOG_TRACE(&Poco::Logger::get("optimizeUseProjections"), "Folding actions by projection");
auto proj_dag = query.dag->foldActionsByProjection(new_inputs, query_key_nodes);
/// Just add all the aggregates to dag inputs.
auto & proj_dag_outputs = proj_dag->getOutputs();
size_t num_aggregates = aggregates.size();
for (size_t i = 0; i < num_aggregates; ++i)
{
const auto & aggregate = aggregates[i];
const auto & match = (*matched_aggregates)[i];
auto type = std::make_shared<DataTypeAggregateFunction>(aggregate.function, match.argument_types, aggregate.parameters);
const auto * node = &proj_dag->addInput(match.description->column_name, std::move(type));
if (aggregate.column_name != match.description->column_name)
node = &proj_dag->addAlias(*node, aggregate.column_name);
proj_dag_outputs.push_back(node);
}
appendAggregateFunctions(*proj_dag, aggregates, *matched_aggregates);
return proj_dag;
}

0
tests/queries/0_stateless/01710_projections_and_duplicate_columms.reference Normal file
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8
tests/queries/0_stateless/01710_projections_and_duplicate_columms.sql Normal file
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@ -0,0 +1,8 @@
drop table if exists projection_test__fuzz_0;
set allow_suspicious_low_cardinality_types=1;
CREATE TABLE projection_test__fuzz_0 (`sum(block_count)` UInt64, `domain_alias` UInt64 ALIAS length(domain), `datetime` DateTime, `domain` LowCardinality(String), `x_id` String, `y_id` String, `block_count` Int64, `retry_count` Int64, `duration` Decimal(76, 13), `kbytes` LowCardinality(Int64), `buffer_time` Int64, `first_time` UInt256, `total_bytes` LowCardinality(Nullable(UInt64)), `valid_bytes` Nullable(UInt64), `completed_bytes` Nullable(UInt64), `fixed_bytes` LowCardinality(Nullable(UInt64)), `force_bytes` Int256, PROJECTION p (SELECT toStartOfMinute(datetime) AS dt_m, countIf(first_time = 0) / count(), avg((kbytes * 8) / duration), count(), sum(block_count) / sum(duration), avg(block_count / duration), sum(buffer_time) / sum(duration), avg(buffer_time / duration), sum(valid_bytes) / sum(total_bytes), sum(completed_bytes) / sum(total_bytes), sum(fixed_bytes) / sum(total_bytes), sum(force_bytes) / sum(total_bytes), sum(valid_bytes) / sum(total_bytes), sum(retry_count) / sum(duration), avg(retry_count / duration), countIf(block_count > 0) / count(), countIf(first_time = 0) / count(), uniqHLL12(x_id), uniqHLL12(y_id) GROUP BY dt_m, domain)) ENGINE = MergeTree PARTITION BY toDate(datetime) ORDER BY (toStartOfTenMinutes(datetime), domain) SETTINGS index_granularity_bytes = 10000000;
INSERT INTO projection_test__fuzz_0 SETTINGS max_threads = 1 WITH rowNumberInAllBlocks() AS id SELECT 1, toDateTime('2020-10-24 00:00:00') + (id / 20), toString(id % 100), * FROM generateRandom('x_id String, y_id String, block_count Int64, retry_count Int64, duration Int64, kbytes Int64, buffer_time Int64, first_time Int64, total_bytes Nullable(UInt64), valid_bytes Nullable(UInt64), completed_bytes Nullable(UInt64), fixed_bytes Nullable(UInt64), force_bytes Nullable(UInt64)', 10, 10, 1) LIMIT 1000 SETTINGS max_threads = 1;
SELECT '-21474836.48', 10000000000., '', count(kbytes), '', 10.0001, toStartOfMinute(datetime) AS dt_m, 10, NULL FROM projection_test__fuzz_0 GROUP BY dt_m WITH ROLLUP WITH TOTALS ORDER BY count(retry_count / duration) ASC NULLS LAST, 100000000000000000000. ASC NULLS FIRST format Null;
drop table projection_test__fuzz_0;