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ES: implement real substring matching
...by splitting input into characters, instead of whitespace delimited words. This means you can now match partial words, real substrings from anywhere: "foo ba" will match "Foo Bar Baz", while previously you had to have full words ("foo bar") to match anything. My dev setup incurred an 8% increase in storage usage, from ~13MB to ~14MB (for ~40k torrents). Small change, big improvement. Wonder why I didn't do this at first.
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@ -24,9 +24,9 @@ settings:
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- my_ngram
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- my_ngram
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- trim_zero
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- trim_zero
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- unique
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- unique
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# For exact matching - simple lowercase + whitespace delimiter
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# For exact matching - separate each character for substring matching + lowercase
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exact_analyzer:
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exact_analyzer:
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tokenizer: whitespace
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tokenizer: exact_tokenizer
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filter:
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filter:
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- lowercase
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- lowercase
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# For matching full words longer than the ngram limit (15 chars)
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# For matching full words longer than the ngram limit (15 chars)
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@ -43,6 +43,13 @@ settings:
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- fullword_min
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- fullword_min
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- unique
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- unique
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tokenizer:
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# Splits input into characters, for exact substring matching
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exact_tokenizer:
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type: pattern
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pattern: "(.)"
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group: 1
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filter:
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filter:
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my_ngram:
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my_ngram:
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type: edgeNGram
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type: edgeNGram
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@ -46,7 +46,7 @@
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name, but not those which have <em>bar</em> in the name as well.
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name, but not those which have <em>bar</em> in the name as well.
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</div>
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</div>
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<div>
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<div>
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If you want to search for a several-word expression in its entirety, you can
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If you want to search for a several-word expression (substring) in its entirety, you can
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surround searches with <kbd>"</kbd> (double quotes), such as
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surround searches with <kbd>"</kbd> (double quotes), such as
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<kbd>"foo bar"</kbd>, which would match torrents named <em>foo bar</em> but not
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<kbd>"foo bar"</kbd>, which would match torrents named <em>foo bar</em> but not
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those named <em>bar foo</em>. You may also use the aforementioned <kbd>|</kbd> to group
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those named <em>bar foo</em>. You may also use the aforementioned <kbd>|</kbd> to group
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