If the target repository says that it should be a string, then you leave it alone.
如果目标存储库认为它应该是一个字符串，那么就不用转换它。
Your target repository may or may not support full-text (native content) search, parametric (property-based) search, or both.
目标存储库可能支持，也可能不支持全文(原始内容)搜索或参数(基于属性的)搜索。
Solution implementation cycle: the data warehouse implementation includes the target repository and the data mart database, as well as ETL process implementation.
解决方案实现周期(Solution implementation cycle)：数据仓库实现包括目标存储库和数据集市数据库，以及ETL过程实现。
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