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Don't build set for indices when analyzing a query

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This commit is contained in:
Raúl Marín 2021-07-15 13:57:56 +02:00
parent f92a2d3784
commit c2f0d7c514
3 changed files with 152 additions and 1 deletions
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2
src/Interpreters/InterpreterSelectQuery.cpp
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@ -609,7 +609,7 @@ Block InterpreterSelectQuery::getSampleBlockImpl()
query_info.query = query_ptr;
query_info.has_window = query_analyzer->hasWindow();
if (storage)
if (storage && !options.only_analyze)
{
auto & query = getSelectQuery();
query_analyzer->makeSetsForIndex(query.where());

6
tests/queries/0_stateless/01947_mv_subquery.reference Normal file
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@ -0,0 +1,6 @@
{"test":"1947 #1 CHECK - TRUE","sleep_calls":"0","sleep_microseconds":"0"}
{"test":"1947 #2 CHECK - TRUE","sleep_calls":"2","sleep_microseconds":"2000"}
{"test":"1947 #3 CHECK - TRUE","sleep_calls":"0","sleep_microseconds":"0"}
{"test":"1947 #1 CHECK - FALSE","sleep_calls":"0","sleep_microseconds":"0"}
{"test":"1947 #2 CHECK - FALSE","sleep_calls":"2","sleep_microseconds":"2000"}
{"test":"1947 #3 CHECK - FALSE","sleep_calls":"0","sleep_microseconds":"0"}

145
tests/queries/0_stateless/01947_mv_subquery.sql Normal file
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@ -0,0 +1,145 @@
SET log_queries=1;
SET log_profile_events=true;
CREATE TABLE src Engine=MergeTree ORDER BY id AS SELECT number as id, toInt32(1) as value FROM numbers(1);
CREATE TABLE dst (id UInt64, delta Int64) Engine=MergeTree ORDER BY id;
-- First we try with default values (https://github.com/ClickHouse/ClickHouse/issues/9587)
SET use_index_for_in_with_subqueries = 1;
CREATE MATERIALIZED VIEW src2dst_true TO dst AS
SELECT
id,
src.value - deltas_sum as delta
FROM src
LEFT JOIN
(
SELECT id, sum(delta) as deltas_sum FROM dst
WHERE id IN (SELECT id FROM src WHERE not sleepEachRow(0.001))
GROUP BY id
)
USING (id);
-- Inserting 2 numbers should require 2 calls to sleep
INSERT into src SELECT number + 100 as id, 1 FROM numbers(2);
-- Describe should not need to call sleep
DESCRIBE ( SELECT '1947 #3 QUERY - TRUE',
id,
src.value - deltas_sum as delta
FROM src
LEFT JOIN
(
SELECT id, sum(delta) as deltas_sum FROM dst
WHERE id IN (SELECT id FROM src WHERE not sleepEachRow(0.001))
GROUP BY id
)
USING (id)
) FORMAT Null;
SYSTEM FLUSH LOGS;
SELECT '1947 #1 CHECK - TRUE' as test,
ProfileEvents['SleepFunctionCalls'] as sleep_calls,
ProfileEvents['SleepFunctionMicroseconds'] as sleep_microseconds
FROM system.query_log
WHERE query like '%CREATE MATERIALIZED VIEW src2dst_true%'
AND type > 1
AND current_database = currentDatabase()
AND event_date >= yesterday()
FORMAT JSONEachRow;
SELECT '1947 #2 CHECK - TRUE' as test,
ProfileEvents['SleepFunctionCalls'] as sleep_calls,
ProfileEvents['SleepFunctionMicroseconds'] as sleep_microseconds
FROM system.query_log
WHERE query like '%INSERT into src SELECT number + 100 as id, 1 FROM numbers(2)%'
AND type > 1
AND current_database = currentDatabase()
AND event_date >= yesterday()
FORMAT JSONEachRow;
SELECT '1947 #3 CHECK - TRUE' as test,
ProfileEvents['SleepFunctionCalls'] as sleep_calls,
ProfileEvents['SleepFunctionMicroseconds'] as sleep_microseconds
FROM system.query_log
WHERE query like '%DESCRIBE ( SELECT ''1947 #3 QUERY - TRUE'',%'
AND type > 1
AND current_database = currentDatabase()
AND event_date >= yesterday()
FORMAT JSONEachRow;
DROP TABLE src2dst_true;
-- Retry the same but using use_index_for_in_with_subqueries = 0
SET use_index_for_in_with_subqueries = 0;
CREATE MATERIALIZED VIEW src2dst_false TO dst AS
SELECT
id,
src.value - deltas_sum as delta
FROM src
LEFT JOIN
(
SELECT id, sum(delta) as deltas_sum FROM dst
WHERE id IN (SELECT id FROM src WHERE not sleepEachRow(0.001))
GROUP BY id
)
USING (id);
-- Inserting 2 numbers should require 2 calls to sleep
INSERT into src SELECT number + 200 as id, 1 FROM numbers(2);
-- Describe should not need to call sleep
DESCRIBE ( SELECT '1947 #3 QUERY - FALSE',
id,
src.value - deltas_sum as delta
FROM src
LEFT JOIN
(
SELECT id, sum(delta) as deltas_sum FROM dst
WHERE id IN (SELECT id FROM src WHERE not sleepEachRow(0.001))
GROUP BY id
)
USING (id)
) FORMAT Null;
SYSTEM FLUSH LOGS;
SELECT '1947 #1 CHECK - FALSE' as test,
ProfileEvents['SleepFunctionCalls'] as sleep_calls,
ProfileEvents['SleepFunctionMicroseconds'] as sleep_microseconds
FROM system.query_log
WHERE query like '%CREATE MATERIALIZED VIEW src2dst_false%'
AND type > 1
AND current_database = currentDatabase()
AND event_date >= yesterday()
FORMAT JSONEachRow;
SELECT '1947 #2 CHECK - FALSE' as test,
ProfileEvents['SleepFunctionCalls'] as sleep_calls,
ProfileEvents['SleepFunctionMicroseconds'] as sleep_microseconds
FROM system.query_log
WHERE query like '%INSERT into src SELECT number + 200 as id, 1 FROM numbers(2)%'
AND type > 1
AND current_database = currentDatabase()
AND event_date >= yesterday()
FORMAT JSONEachRow;
SELECT '1947 #3 CHECK - FALSE' as test,
ProfileEvents['SleepFunctionCalls'] as sleep_calls,
ProfileEvents['SleepFunctionMicroseconds'] as sleep_microseconds
FROM system.query_log
WHERE query like '%DESCRIBE ( SELECT ''1947 #3 QUERY - FALSE'',%'
AND type > 1
AND current_database = currentDatabase()
AND event_date >= yesterday()
FORMAT JSONEachRow;
DROP TABLE src2dst_false;
DROP TABLE src;
DROP TABLE dst;