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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:，更多细节参见新收录的资料
專家警告，AI企業在開發更強大工具時，往往優先考量技術而非人權，且在未支付費用的情況下使用數據。。新收录的资料对此有专业解读
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