Fix missing fieldnorm indexing #1620
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fulmicoton
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Oct 14, 2022
Fixes broken search (no results) with BM25 for u64, i64, f64, bool, bytes and date after deletion and merge. There were no fieldnorms recorded for those field. After merge InvertedIndexReader::total_num_tokens returns 0 (Sum over the fieldnorms is 0). BM25 does not work when total_num_tokens is 0. Fixes #1617
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Fixes broken search (no results) with BM25 for u64, i64, f64, bool, bytes and date after deletion and merge.
There were no fieldnorms recorded for those field. After merge InvertedIndexReader::total_num_tokens returns 0 (Sum over the fieldnorms is 0). BM25 does not work when total_num_tokens is 0.
Fixes #1617