solr DIH 数据配置文件的理解

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• The query gives the data needed to populate fields of the Solr document in full-import

• The deltaImportQuery gives the data needed to populate fields when running a delta-import

• The deltaQuery gives the primary keys of the current entity which have changes since the last index time

• The parentDeltaQuery uses the changed rows of the current table (fetched with deltaQuery) to give the changed rows in the parent table. This is necessary because whenever a row in the child table changes, we need to re-generate the document which has that field.

solr DIH 数据配置文件的理解,布布扣,bubuko.com

solr DIH 数据配置文件的理解

标签：class   c   a   文件   数据   line   

原文地址：http://www.cnblogs.com/learnthenknow/p/3746539.html