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DROP TABLE IF EXISTS xp ;
DROP TABLE IF EXISTS xp_d ;
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SET log_queries = 1 ;
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CREATE TABLE xp ( ` A ` Date , ` B ` Int64 , ` S ` String ) ENGINE = MergeTree PARTITION BY toYYYYMM ( A ) ORDER BY B ;
INSERT INTO xp SELECT ' 2020-01-01 ' , number , ' ' FROM numbers ( 100000 ) ;
CREATE TABLE xp_d AS xp ENGINE = Distributed ( test_shard_localhost , currentDatabase ( ) , xp ) ;
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SELECT count ( 7 = ( SELECT number FROM numbers ( 0 ) ORDER BY number ASC NULL S FIRST LIMIT 7 ) ) FROM xp_d PREWHERE toYYYYMM ( A ) GLOBAL IN ( SELECT NULL = ( SELECT number FROM numbers ( 1 ) ORDER BY number DESC NULL S LAST LIMIT 1 ) , toYYYYMM ( min ( A ) ) FROM xp_d ) WHERE B > NULL ; -- B > NULL is evaluated to 0 and this works
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SELECT count ( ) FROM xp_d WHERE A GLOBAL IN ( SELECT NULL ) ; -- { serverError 53 }
DROP TABLE IF EXISTS xp ;
DROP TABLE IF EXISTS xp_d ;
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DROP TABLE IF EXISTS trace_log ;
CREATE TABLE trace_log
(
` event_date ` Date ,
` event_time ` DateTime ,
` event_time_microseconds ` DateTime64 ( 6 ) ,
` timestamp_ns ` UInt64 ,
` revision ` UInt32 ,
` trace_type ` Enum8 ( ' Real ' = 0 , ' CPU ' = 1 , ' Memory ' = 2 , ' MemorySample ' = 3 ) ,
` thread_id ` UInt64 ,
` query_id ` String ,
` trace ` Array ( UInt64 ) ,
` size ` Int64
)
ENGINE = MergeTree
PARTITION BY toYYYYMM ( event_date )
ORDER BY ( event_date , event_time )
SETTINGS index_granularity = 8192 ;
INSERT INTO trace_log values ( ' 2020-10-06 ' , ' 2020-10-06 13:43:39 ' , ' 2020-10-06 13:43:39.208819 ' , 1601981019208819975 , 54441 , ' Real ' , 20412 , ' 2e8ddf40-48da-4641-8ccc-573dd487753f ' , [ 140316350688023 , 130685338 , 226362737 , 224904385 , 227758790 , 227742969 , 227761037 , 224450136 , 219847931 , 219844987 , 219854151 , 223212098 , 223208665 , 228194329 , 228227607 , 257889111 , 257890159 , 258775545 , 258767526 , 140316350645979 , 140316343425599 ] , 0 ) ;
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set allow_introspection_functions = 1 ;
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-- make sure query_log exists
SYSTEM FLUSH LOGS ;
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WITH concat ( addressToLine ( arrayJoin ( trace ) AS addr ) , ' # ' ) AS symbol
SELECT count ( ) > 7
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FROM trace_log AS t
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WHERE ( query_id =
(
SELECT
[ NULL , NULL , NULL , NULL , 0 . 00009999999747378752 , NULL , NULL , NULL , NULL , NULL ] ,
query_id
FROM system . query_log
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WHERE current_database = currentDatabase ( ) AND ( query LIKE ' %test cpu time query profiler% ' ) AND ( query NOT LIKE ' %system% ' )
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ORDER BY event_time DESC
LIMIT 1
) ) AND ( symbol LIKE ' %Source% ' ) ;
WITH addressToSymbol ( arrayJoin ( trace ) ) AS symbol
SELECT count ( ) > 0
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FROM trace_log AS t
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WHERE greaterOrEquals ( event_date , ignore ( ignore ( ignore ( NULL , ' ' ) ) , 256 ) , yesterday ( ) ) AND ( trace_type = ' Memory ' ) AND ( query_id =
(
SELECT
ignore ( ignore ( ignore ( ignore ( 65536 ) ) , ignore ( 65537 ) , ignore ( 2 ) ) , ' ' ) ,
query_id
FROM system . query_log
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WHERE current_database = currentDatabase ( ) AND ( event_date > = yesterday ( ) ) AND ( query LIKE ' %test memory profiler% ' )
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ORDER BY event_time DESC
LIMIT 1
) ) ; -- { serverError 42 }
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DROP TABLE IF EXISTS trace_log ;
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SYSTEM FLUSH LOGS ;
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WITH (
(
SELECT query_start_time_microseconds
FROM system . query_log
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WHERE current_database = currentDatabase ( )
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ORDER BY query_start_time DESC
LIMIT 1
) AS time_with_microseconds ,
(
SELECT
inf ,
query_start_time
FROM system . query_log
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WHERE current_database = currentDatabase ( )
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ORDER BY query_start_time DESC
LIMIT 1
) AS t )
SELECT if ( dateDiff ( ' second ' , toDateTime ( time_with_microseconds ) , toDateTime ( t ) ) = - 9223372036854775808 , ' ok ' , ' ' ) ; -- { serverError 43 }
WITH (
(
SELECT query_start_time_microseconds
FROM system . query_log
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WHERE current_database = currentDatabase ( )
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ORDER BY query_start_time DESC
LIMIT 1
) AS time_with_microseconds ,
(
SELECT query_start_time
FROM system . query_log
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WHERE current_database = currentDatabase ( )
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ORDER BY query_start_time DESC
LIMIT 1
) AS t )
SELECT if ( dateDiff ( ' second ' , toDateTime ( time_with_microseconds ) , toDateTime ( t ) ) = - 9223372036854775808 , ' ok ' , ' ' ) ;
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set joined_subquery_requires_alias = 0 ;
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SELECT number , number / 2 AS n , j1 , j2 FROM remote ( ' 127.0.0.{2,3} ' , system . numbers ) GLOBAL ANY LEFT JOIN ( SELECT number / 3 AS n , number AS j1 , ' Hello ' AS j2 FROM system . numbers LIMIT 1048577 ) USING ( n ) LIMIT 10 format Null ;