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25 lines
1.1 KiB
SQL
25 lines
1.1 KiB
SQL
-- Tags: no-parallel, no-random-settings, no-random-merge-tree-settings
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-- no-parallel -- enables failpoint
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-- no-random-settings -- depend on type of part, should always fail
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drop table if exists prefetched_table;
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CREATE TABLE prefetched_table(key UInt64, s String) Engine = MergeTree() order by key;
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INSERT INTO prefetched_table SELECT rand(), randomString(5) from numbers(1000);
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INSERT INTO prefetched_table SELECT rand(), randomString(5) from numbers(1000);
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INSERT INTO prefetched_table SELECT rand(), randomString(5) from numbers(1000);
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INSERT INTO prefetched_table SELECT rand(), randomString(5) from numbers(1000);
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INSERT INTO prefetched_table SELECT rand(), randomString(5) from numbers(1000);
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SET local_filesystem_read_prefetch=1;
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SET allow_prefetched_read_pool_for_remote_filesystem=1;
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SET allow_prefetched_read_pool_for_local_filesystem=1;
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SYSTEM ENABLE FAILPOINT prefetched_reader_pool_failpoint;
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SELECT * FROM prefetched_table FORMAT Null; --{serverError BAD_ARGUMENTS}
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SYSTEM DISABLE FAILPOINT prefetched_reader_pool_failpoint;
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drop table if exists prefetched_table;
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