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Merge pull request #48195 from ClickHouse/disable-compile-aggregations

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Remove a feature
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Alexey Milovidov 2023-04-06 18:09:48 +03:00 committed by GitHub
commit 3066d5df52
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3 changed files with 37 additions and 1 deletions
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2
src/Core/Settings.h
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@ -131,7 +131,7 @@ class IColumn;
M(Bool, allow_suspicious_fixed_string_types, false, "In CREATE TABLE statement allows creating columns of type FixedString(n) with n > 256. FixedString with length >= 256 is suspicious and most likely indicates misusage", 0) \
M(Bool, compile_expressions, true, "Compile some scalar functions and operators to native code.", 0) \
M(UInt64, min_count_to_compile_expression, 3, "The number of identical expressions before they are JIT-compiled", 0) \
M(Bool, compile_aggregate_expressions, true, "Compile aggregate functions to native code.", 0) \
M(Bool, compile_aggregate_expressions, false, "Compile aggregate functions to native code. This feature has a bug and should not be used.", 0) \
M(UInt64, min_count_to_compile_aggregate_expression, 3, "The number of identical aggregate expressions before they are JIT-compiled", 0) \
M(Bool, compile_sort_description, true, "Compile sort description to native code.", 0) \
M(UInt64, min_count_to_compile_sort_description, 3, "The number of identical sort descriptions before they are JIT-compiled", 0) \

1
tests/queries/0_stateless/02703_jit_external_aggregation.reference Normal file
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@ -0,0 +1 @@
.....

35
tests/queries/0_stateless/02703_jit_external_aggregation.sh Executable file
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@ -0,0 +1,35 @@
#!/usr/bin/env bash
# Tags: long, no-asan, no-msan, no-tsan, no-ubsan
CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
# shellcheck source=../shell_config.sh
. "$CURDIR"/../shell_config.sh
# This query should return empty result in every of five runs:
for _ in {1..5}
do
$CLICKHOUSE_CLIENT --compile_aggregate_expressions 0 --query "
SELECT
COUNT() AS c,
group_key,
anyIf(r, key = 0) AS x0,
anyIf(r, key = 1) AS x1,
anyIf(r, key = 2) AS x2
FROM
(
SELECT
CRC32(toString(number)) % 1000000 AS group_key,
number % 3 AS key,
number AS r
FROM numbers(10000000)
)
GROUP BY group_key
HAVING (c = 2) AND (x0 > 0) AND (x1 > 0) AND (x2 > 0)
ORDER BY group_key ASC
LIMIT 10
SETTINGS max_bytes_before_external_group_by = 200000
" && echo -n '.'
done
echo