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目前看SPL的序列/序表并不要求强数据结构,看文档上提到了泛型性。测试序表的某列取值可以是不同类型,进而生成的集文件和组表也如此,那么问题是能否提供对列类型强约束的选项?即生成组表时支持统一字段类型约束,这样可以保证较高的数据质量。
另外想了解一下,序表(或组表)列允许不同类型的意义何在?毕竟目前处理的结构化数据一般都是规范的,如果不规范通常也无法计算。
The text was updated successfully, but these errors were encountered:
世界是复杂的。 开放SPL的原则是尽量减少约束,正确性要自己负责。
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目前看SPL的序列/序表并不要求强数据结构,看文档上提到了泛型性。测试序表的某列取值可以是不同类型,进而生成的集文件和组表也如此,那么问题是能否提供对列类型强约束的选项?即生成组表时支持统一字段类型约束,这样可以保证较高的数据质量。
另外想了解一下,序表(或组表)列允许不同类型的意义何在?毕竟目前处理的结构化数据一般都是规范的,如果不规范通常也无法计算。
The text was updated successfully, but these errors were encountered: