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49 lines
1.3 KiB
SQL
49 lines
1.3 KiB
SQL
SET optimize_on_insert = 0;
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DROP TABLE IF EXISTS replacing_table;
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CREATE TABLE replacing_table (a UInt32, b UInt32, c UInt32)
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ENGINE = ReplacingMergeTree ORDER BY a
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SETTINGS vertical_merge_algorithm_min_rows_to_activate = 1,
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vertical_merge_algorithm_min_columns_to_activate = 1,
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index_granularity = 16,
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min_bytes_for_wide_part = 0,
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merge_max_block_size = 16;
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SYSTEM STOP MERGES replacing_table;
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INSERT INTO replacing_table SELECT number, number, number from numbers(16);
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INSERT INTO replacing_table SELECT 100, number, number from numbers(16);
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SELECT sum(a), count() FROM replacing_table;
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SYSTEM START MERGES replacing_table;
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OPTIMIZE TABLE replacing_table FINAL;
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SELECT sum(a), count() FROM replacing_table;
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DROP TABLE IF EXISTS replacing_table;
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CREATE TABLE replacing_table
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(
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key UInt64,
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value UInt64
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)
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ENGINE = ReplacingMergeTree
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ORDER BY key
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SETTINGS
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vertical_merge_algorithm_min_rows_to_activate=0,
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vertical_merge_algorithm_min_columns_to_activate=0,
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min_bytes_for_wide_part = 0;
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INSERT INTO replacing_table SELECT if(number == 8192, 8191, number), 1 FROM numbers(8193);
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SELECT sum(key), count() from replacing_table;
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OPTIMIZE TABLE replacing_table FINAL;
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SELECT sum(key), count() from replacing_table;
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DROP TABLE IF EXISTS replacing_table;
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