Rafiqul Islam
2020-11-30 02:04:21
edge_ngram is a tokenizer, which means it kicks in at indexing time to tokenize your input data. There is also a edge_ngram token filter. Both are similar but work at different levels.
search_as_you_type is a field type which contains a few sub-fields, one of which is called _index_prefix and which leverages the edge_ngram tokenizer.
So basically, what you see in the edge_ngram tokenizer documentation has actually been leveraged when they decided to add the new search_as_you_type field type.
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