Method _merge_and_rerank

python/zvec/executor/query_executor.py:200–206

Merge and rerank results from the Python pipeline path.

(self, ctx: QueryContext, docs_list: list[DocList])

        return [self._execute_single_query(query, collection) for query in vectors]

    def _merge_and_rerank(self, ctx: QueryContext, docs_list: list[DocList]) -> DocList:
        """Merge and rerank results from the Python pipeline path."""
        if not docs_list:
            raise ValueError("Query results is empty")
        if len(docs_list) == 1 and not ctx.reranker:
            return docs_list[0]
        return ctx.reranker.rerank(docs_list, ctx.topk)

    def _build_base_search_query(self, ctx: QueryContext) -> _SearchQuery:
        search_query = _SearchQuery()