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date_time_input_format='best_effort'
и движка Kafka. Этот параметр придётся задавать глобально для пользователя default, чтобы из кафки читать строчки а ля 2020-06-08T12:27:15.410246Z
в колонки DateTime или Date?D
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[V30LC-INCLKHSE1.PW.LOCAL] 2020.06.08 18:07:05.752893 [ 862 ] {75cb8877-cc8a-4a26-b1ea-03f35ab2ea19} <Debug> schema.tablexxx (SelectExecutor): Selected 1 parts by date, 1 parts by key, 13984 marks to read from 1 ranges
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select count(*) from table tt where _part in (select name from system.parts where partition='(202004,146)');
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select count(*) from table tt where _part in (select name from system.parts where partition='(202004,146)');
(select name from system.
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(select name from system.
with (select groupArray(name) partsList from system.parts where partition='(202004,150)' and `table` ='tablename' and active) as partsList
select count(*), length(partsList) from vs_cm_data vcd where has (partsList, _part);
...
[V30LC-INCLKHSE1.PW.LOCAL] 2020.06.08 18:28:32.061240 [ 862 ] {772cee9b-3b2e-4784-a0ce-b8fe442c8eab} <Debug> schema.tablename (SelectExecutor): Selected 9 parts by date, 9 parts by key, 67808 marks to read from 9 ranges
...
┌───count()─┬─length(partsList)─┐
│ 551776508 │ 9 │
└───────────┴───────────────────┘
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