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35 lines
850 B
XML
35 lines
850 B
XML
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<test>
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<create_query>
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CREATE TABLE lwd_test (
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id UInt64,
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value String,
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) ENGINE=MergeTree() ORDER BY id;
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</create_query>
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<!-- Fill the table with relatively big values -->
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<fill_query>
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INSERT INTO lwd_test SELECT number, randomString(100) FROM system.numbers LIMIT 10000000;
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</fill_query>
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<fill_query>
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OPTIMIZE TABLE lwd_test FINAL;
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</fill_query>
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<settings>
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<max_threads>1</max_threads>
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<mutations_sync>1</mutations_sync>
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</settings>
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<!-- delete most of the rows -->
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<fill_query>
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DELETE FROM lwd_test WHERE id < 9999999;
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</fill_query>
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<!-- get the first remaining row -->
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<query>SELECT id, length(value) FROM lwd_test ORDER BY id LIMIT 1</query>
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<drop_query>DROP TABLE lwd_test</drop_query>
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</test>
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