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phorge-phorge/resources/sql/autopatches/20151221.search.3.reindex.php

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Implement basic ngram search for Owners Package names Summary: Ref T9979. This uses ngrams (specifically, trigrams) to build a reasonably efficient index for substring matching. Specifically, for a package like "Example", with ID 123, we store rows like this: ``` < ex, 123> <exa, 123> <xam, 123> <amp, 123> <mpl, 123> <ple, 123> <le , 123> ``` When the user searches for `exam`, we join this table for packages with tokens `exa` and `xam`. MySQL can do this a lot more efficiently than it can process a `LIKE "%exam%"` query against a huge table. When the user searches for a one-letter or two-letter string, we only search the beginnings of words. This is probably what they want, the only thing we can do quickly, and a reasonable/expected behavior for typeaheads. Test Plan: - Ran storage upgrades and search indexer. - Searched for stuff with "name contains". - Used typehaead and got sensible results. - Searched for `aabbccddeeffgghhiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz` and saw only 16 joins. Reviewers: chad Reviewed By: chad Maniphest Tasks: T9979 Differential Revision: https://secure.phabricator.com/D14846
2015-12-21 21:22:07 +01:00
<?php
No-op old search indexing migrations which no longer run and have been obsoleted by upgrade "activities" Summary: See T13253. After D20200 (which changed the task schema) these migrations no longer run, since the PHP code will expect a column to exist that won't exist until a `20190220.` migration runs. We don't need these migrations, since anyone upgrading through September 2017 gets a "rebuild search indexes" activity anyway (see T11932). Just no-op them. Test Plan: Grepped for `queueDocumentForIndexing()` in `autopatches/`, removed all of it. Reviewers: amckinley Reviewed By: amckinley Subscribers: PHID-OPKG-gm6ozazyms6q6i22gyam Differential Revision: https://secure.phabricator.com/D20243
2019-03-02 15:05:40 +01:00
// This was an old reindexing migration that has been obsoleted. See T13253.
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