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21 lines
791 B
MySQL
21 lines
791 B
MySQL
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DROP TABLE IF EXISTS t_parts_columns_filenames;
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CREATE TABLE t_parts_columns_filenames (id UInt64, v UInt64, long_v_name UInt64, long_arr_name Array(UInt64), arr_col Array(UInt64))
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ENGINE = MergeTree ORDER BY id
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SETTINGS
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min_bytes_for_wide_part = 0,
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replace_long_file_name_to_hash = 1,
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max_file_name_length = 8,
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ratio_of_defaults_for_sparse_serialization = 0.9;
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INSERT INTO t_parts_columns_filenames SELECT number, 0, 0, range(number % 5), range(number % 5) FROM numbers(10);
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SELECT * FROM t_parts_columns_filenames ORDER BY id;
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SELECT name, column, type, serialization_kind, substreams, filenames
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FROM system.parts_columns
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WHERE database = currentDatabase() AND table = 't_parts_columns_filenames'
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ORDER BY name, column;
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DROP TABLE IF EXISTS t_parts_columns_filenames;
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