数据仓库服务 GaussDB(DWS)-文本检索函数:setweight(tsvector, "char")

时间:2025-02-12 15:05:09

setweight(tsvector, "char")

描述:给tsvector类型的每个元素分配权值。

返回类型:tsvector

示例:

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SELECT setweight('fat:2,4 cat:3 rat:5B'::tsvector, 'A');           setweight           ------------------------------- 'cat':3A 'fat':2A,4A 'rat':5A(1 row)
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