mirror of
https://we.phorge.it/source/phorge.git
synced 2024-11-25 16:22:43 +01:00
53 lines
1.3 KiB
PHP
53 lines
1.3 KiB
PHP
|
<?php
|
||
|
|
|
||
|
|
$table = new PhabricatorRepositoryRefPosition();
|
||
|
|
$conn = $table->establishConnection('w');
|
||
|
|
$key_name = 'key_position';
|
||
|
|
|
||
|
|
try {
|
||
|
|
queryfx(
|
||
|
|
$conn,
|
||
|
|
'ALTER TABLE %T DROP KEY %T',
|
||
|
|
$table->getTableName(),
|
||
|
|
$key_name);
|
||
|
|
} catch (AphrontQueryException $ex) {
|
||
|
|
// This key may or may not exist, depending on exactly when the install
|
||
|
|
// ran previous migrations and adjustments. We're just dropping it if it
|
||
|
|
// does exist.
|
||
|
|
|
||
|
|
// We're doing this first (outside of the lock) because the MySQL
|
||
|
|
// documentation says "if you ALTER TABLE a locked table, it may become
|
||
|
|
// unlocked".
|
||
|
|
}
|
||
|
|
|
||
|
|
queryfx(
|
||
|
|
$conn,
|
||
|
|
'LOCK TABLES %T WRITE',
|
||
|
|
$table->getTableName());
|
||
|
|
|
||
|
|
$seen = array();
|
||
|
|
foreach (new LiskMigrationIterator($table) as $position) {
|
||
|
|
$cursor_id = $position->getCursorID();
|
||
|
|
$hash = $position->getCommitIdentifier();
|
||
|
|
|
||
|
|
// If this is the first copy of this row we've seen, mark it as seen and
|
||
|
|
// move on.
|
||
|
|
if (empty($seen[$cursor_id][$hash])) {
|
||
|
|
$seen[$cursor_id][$hash] = true;
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Otherwise, get rid of this row as it duplicates a row we saw previously.
|
||
|
|
$position->delete();
|
||
|
|
}
|
||
|
|
|
||
|
|
queryfx(
|
||
|
|
$conn,
|
||
|
|
'ALTER TABLE %T ADD UNIQUE KEY %T (cursorID, commitIdentifier)',
|
||
|
|
$table->getTableName(),
|
||
|
|
$key_name);
|
||
|
|
|
||
|
|
queryfx(
|
||
|
|
$conn,
|
||
|
|
'UNLOCK TABLES');
|