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In scripts (at least some of the languages), the terms dictionary and postings can be access with the special _index variable. This is for very advanced use cases which want to do their own scoring. The problem is segment level statistics must be recomputed for every document. Additionally, this is not friendly to the terms index caching as the order of looking up terms should be controlled by lucene. This change removes _index from scripts. Anyone using it can and should instead write a Similarity plugin, which is explicitly designed to allow doing the calculations needed for a relevance score. closes #19359 |
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| .. | ||
| cluster | ||
| discovery | ||
| indices | ||
| scripting | ||
| cluster.asciidoc | ||
| cross-cluster-search.asciidoc | ||
| discovery.asciidoc | ||
| gateway.asciidoc | ||
| http.asciidoc | ||
| indices.asciidoc | ||
| memcached.asciidoc | ||
| network.asciidoc | ||
| node.asciidoc | ||
| plugins.asciidoc | ||
| scripting.asciidoc | ||
| snapshots.asciidoc | ||
| threadpool.asciidoc | ||
| thrift.asciidoc | ||
| transport.asciidoc | ||
| tribe.asciidoc | ||