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公开(公告)号:US20100299316A1
公开(公告)日:2010-11-25
申请号:US12848862
申请日:2010-08-02
申请人: Franz Faerber , Guenter Radestock , Andrew Ross
发明人: Franz Faerber , Guenter Radestock , Andrew Ross
CPC分类号: G06F17/30153 , G06F17/30315 , G06F17/30321 , H03M7/3084 , H03M7/3088
摘要: Methods and apparatus, including computer program products, for block compression of tables with repeated values. In general, value identifiers representing a compressed column of data may be sorted to render repeated values contiguous, and block dictionaries may be generated. A block dictionary may be generated for each block of value identifiers. Each block dictionary may include a list of block identifiers, where each block identifier is associated with a value identifier and there is a block identifier for each unique value in a block. Blocks may have standard sizes and block dictionaries may be reused for multiple blocks.
摘要翻译: 方法和装置,包括计算机程序产品,用于块重复值压缩表。 通常,表示压缩数据列的值标识符可以被排序以使重复值连续,并且可以生成块字典。 可以为每个值标识符块生成块字典。 每个块字典可以包括块标识符的列表,其中每个块标识符与值标识符相关联,并且在块中存在每个唯一值的块标识符。 块可以具有标准尺寸,并且块字典可以重用于多个块。