clones/friendica
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Improve uniqueness loop by adding an exists() call in DisposableFullTextSearch

This commit is contained in:
Hypolite Petovan 2024-01-29 06:56:30 -05:00
parent 7397b38763
commit 50cc2be3d1
1 changed files with 8 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
src/Database/DisposableFullTextSearch.php
View File

@ -37,12 +37,17 @@ class DisposableFullTextSearch
{
$this->db = $database;
do {
// Unique identifier generation. Two DisposableFullTextSearch object should never have the same as the first object destruction
// would delete both check-full-text-search rows before the second object destruction is called, leading to unexpected behavior.
do {
// Maximum value is indicated by the INT UNSIGNED type of the check-full-text-search.pid field
$this->identifier = random_int(0, pow(2, 32) - 1);
} while($this->db->insert('check-full-text-search', ['pid' => $this->identifier, 'searchtext' => $haystack]));
} while($this->db->exists('check-full-text-search', ['pid' => $this->identifier, 'searchtext' => $haystack]));
// If the `exists()` call fails and return false because the database is unavailable, the `insert()` call will likely fail as well, which means
// all subsequent calls to `match()` will return false because the haystack won't have been inserted.
// However, at this point there may be bigger problems to worry about.
$this->db->insert('check-full-text-search', ['pid' => $this->identifier, 'searchtext' => $haystack]);
}
public function __destruct()