suspend fun similaritySearch(param: SimilarityQueryParam): List<AskGroupSimilarityQuery.SearchHit> {
        val searchQuery = SearchQuery().apply {
            this.query = KnnVectorQuery().apply {
                this.fieldName = Columns.QUESTION_VECTOR.name
                this.topK = param.limit
                this.float32QueryVector = param.floatVector
                this.filter = BoolQuery().apply {
                    val mustQueries = mutableListOf<Query>(
                        termQuery(AskGroup::orgId, param.orgId),
                    )
                    if (param.agentIds.isNotEmpty()) {
                        mustQueries += termsQuery(AskGroup::agentId, param.agentIds)
                    }
                    val beginTimeStamp = param.beginTimeStamp
                    beginTimeStamp?.let {
                        mustQueries += RangeQuery().apply {
                            this.fieldName = DefinedColumns.GMT_CREATE.name
                            this.greaterThan(ColumnValue.fromLong(it))
                        }
                    }
                    this.mustQueries = mustQueries
                }
            }
            this.limit = param.limit
            this.sort = Sort(listOf(ScoreSort()))
        }
        val request = SearchRequest(tableName, indexName, searchQuery).apply {
            this.columnsToGet = SearchRequest.ColumnsToGet().apply {
                this.columns = listOf(DefinedColumns.GMT_CREATE.name, Columns.QUESTION.name)
            }
        }
        val resp = asyncClient.searchAsync(request)
        return resp.searchHits?.filter { it.score >= param.threshold }?.map {
            AskGroupSimilarityQuery.SearchHit(
                it.row.primaryKey.getPrimaryKeyColumn(AskGroup::id.name).value.asString(),
                it.score,
                it.row.getLatestColumn(Columns.QUESTION.name).value.asString(),
                Date(it.row.getLatestColumn(DefinedColumns.GMT_CREATE.name).value.asLong())
            )
        } ?: emptyList()
    }

推荐您阅读更多有关于“”的文章