function_score里面的functions只支持数字吗。

来源：8-17 自定义score计算（下）

阿拉斌

2021-02-08

我使用keyword类型的，他会报错

“caused_by” : {
“type” : “illegal_argument_exception”,
“reason” : “Text fields are not optimised for operations that require per-document field data like aggregations and sorting, so these operations are disabled by default. Please use a keyword field instead. Alternatively, set fielddata=true on [standardItem] in order to load field data by uninverting the inverted index. Note that this can use significant memory.”
}

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