ClickHouse/tests/queries/0_stateless/01881_aggregate_functions_versioning.sql

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2021-05-30 13:57:30 +00:00
DROP TABLE IF EXISTS test_table;
CREATE TABLE test_table
(
`col1` DateTime,
`col2` Int64,
`col3` AggregateFunction(sumMap, Tuple(Array(UInt8), Array(UInt8)))
)
ENGINE = AggregatingMergeTree() ORDER BY (col1, col2);
SHOW CREATE TABLE test_table;
-- regression from performance tests comparison script
DROP TABLE IF EXISTS test;
CREATE TABLE test
ENGINE = Null AS
WITH (
SELECT arrayReduce('sumMapState', [(['foo'], arrayMap(x -> -0., ['foo']))])
) AS all_metrics
SELECT
(finalizeAggregation(arrayReduce('sumMapMergeState', [all_metrics])) AS metrics_tuple).1 AS metric_names,
metrics_tuple.2 AS metric_values
FROM system.one;