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12 lines
660 B
SQL
12 lines
660 B
SQL
drop table if exists test_qualify;
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create table test_qualify (number Int64) ENGINE = MergeTree ORDER BY (number);
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insert into test_qualify SELECT * FROM numbers(100);
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select count() from test_qualify; -- 100
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select * from test_qualify qualify row_number() over (order by number) = 50 SETTINGS enable_analyzer = 1; -- 49
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select * from test_qualify qualify row_number() over (order by number) = 50 SETTINGS enable_analyzer = 0; -- { serverError NOT_IMPLEMENTED }
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delete from test_qualify where number in (select number from test_qualify qualify row_number() over (order by number) = 50); -- { serverError UNFINISHED }
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select count() from test_qualify; -- 100
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