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The showers and baths keeping data centre tech cool。业内人士推荐新收录的资料作为进阶阅读
，详情可参考新收录的资料
Postgres can use a GIN (generalized inverted) index for the tsvector text search predicate and a B-tree for ordering or numeric filters. But because GIN does not preserve ordering and Postgres cannot combine ordering guarantees across different indexes, the planner must decompose the query into phases:
for score in scores {，更多细节参见新收录的资料