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phorge-phorge/resources/sql/autopatches/20170417.files.ngrams.sql
Austin McKinley 976fbee877 Implement ngram search for File objects
Summary: Follows the outline in D15656 for implementing ngram search for names of File objects. Also created FileFullTextEngine, because without implementing `PhabricatorFulltextInterface`, `./bin/search` complains that `File` is not an indexable type.

Test Plan:
  - ran `./bin/storage upgrade` to apply the schema change
  - confirmed the presence of a new `file_filename_ngrams` table
  - added a couple file objects
  - ran `bin/search index --type file --force`
  - confirmed the presence of rows in `file_filename_ngrams`
  - did a few keyword searches and saw expected results

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Maniphest Tasks: T8788

Differential Revision: https://secure.phabricator.com/D17702
2017-04-17 17:37:20 -07:00

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SQL

CREATE TABLE {$NAMESPACE}_file.file_filename_ngrams (
id INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
objectID INT UNSIGNED NOT NULL,
ngram CHAR(3) NOT NULL COLLATE {$COLLATE_TEXT},
KEY `key_object` (objectID),
KEY `key_ngram` (ngram, objectID)
) ENGINE=InnoDB, COLLATE {$COLLATE_TEXT};