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9 lines
554 B
SQL
9 lines
554 B
SQL
drop table if exists tab_00577;
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create table tab_00577 (date Date, version UInt64, val UInt64) engine = ReplacingMergeTree(version) partition by date order by date settings enable_vertical_merge_algorithm = 1, vertical_merge_algorithm_min_rows_to_activate = 1, vertical_merge_algorithm_min_columns_to_activate = 0;
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insert into tab_00577 values ('2018-01-01', 2, 2), ('2018-01-01', 1, 1);
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insert into tab_00577 values ('2018-01-01', 0, 0);
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select * from tab_00577 order by version;
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OPTIMIZE TABLE tab_00577;
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select * from tab_00577;
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drop table tab_00577;
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