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    • 9. 发明申请
    • Converting numeric values to strings for optimized database storage
    • 将数值转换为字符串以优化数据库存储
    • US20050165768A1
    • 2005-07-28
    • US11079164
    • 2005-03-14
    • Michael CoulsonDavid WortendykeKevin Grealish
    • Michael CoulsonDavid WortendykeKevin Grealish
    • G06F17/30G06F7/00
    • G06F17/30569Y10S707/917Y10S707/957Y10S707/99932Y10S707/99937Y10S707/99954
    • The present invention provides a conversion method for converting numeric multi-dimensional database dimension members to textual representations. The conversion is specifically designed to enable the textual representations of the numeric dimension members to be properly sorted and converted back into numeric representations with accuracy. All numeric and date data is transformed during conversion, such that the textual representation of the numeric and date data is properly sorted as a text string, in the same order as it would be sorted as a number. The present invention also provides a means for accurate reverse-conversion (i.e., from textual representation to numeric representation) by first converting into text the information necessary to support the precision required by the relevant convention of the numeric representation. The present invention also provides a convention for determining the data type of the textual representations of values of various data types. The textual representation of mixed types is configured so that the sort order of different data types and the text string for numeric types will sort by value independent of the numeric data-types.
    • 本发明提供了一种用于将数字多维数据库维度成员转换为文本表示的转换方法。 该转换专门设计用于使数字维成员的文本表示能够被正确地排序并精确转换成数字表示。 所有数字和日期数据在转换期间被转换,使得数字和日期数据的文本表示被正确排序为文本字符串,其顺序与排序为数字的顺序相同。 本发明还提供了一种用于通过首先将支持数字表示的相关约定所要求的精度所必需的信息转换为文本的精确反向转换(即,从文本表示到数字表示)的手段。 本发明还提供了一种用于确定各种数据类型的值的文本表示的数据类型的约定。 配置混合类型的文本表示,以便不同数据类型的排序顺序和数字类型的文本字符串将按照与数字数据类型无关的值进行排序。