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phorge-phorge/resources/sql/autopatches/20140321.mstatus.2.mig.php
epriestley 0a76d82a7c Use string constants, not integer constants, to represent task status internally
Summary:
Ref T1812. I think integer constants are going to be confusing and error prone for users to interact with. For example, because we use 0-5, adding a second "open" status like "needs verification" without disrupting the existing statuses would require users to define a status with, e.g., constant `6`, but order it between constants `0` and `1`. And if they later remove statuses, they need to avoid reusing existing constants.

Instead, use more manageable string constants like "open", "resolved", etc.

We must migrate three tables:

  - The task table itself, to update task status.
  - The transaction table, to update historic status changes.
  - The saved query table, to update saved queries which specify status sets.

Test Plan:
  - Saved a query with complicated status filters.
  - Ran migrations.
  - Looked at the query, at existing tasks, and at task transactions.
  - Forced migrations to run again to verify idempotentcy/safety.

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T1812

Differential Revision: https://secure.phabricator.com/D8583
2014-03-25 13:58:14 -07:00

94 lines
2.2 KiB
PHP

<?php
$status_map = array(
0 => 'open',
1 => 'resolved',
2 => 'wontfix',
3 => 'invalid',
4 => 'duplicate',
5 => 'spite',
);
$conn_w = id(new ManiphestTask())->establishConnection('w');
echo "Migrating tasks to new status constants...\n";
foreach (new LiskMigrationIterator(new ManiphestTask()) as $task) {
$id = $task->getID();
echo "Migrating T{$id}...\n";
$status = $task->getStatus();
if (isset($status_map[$status])) {
queryfx(
$conn_w,
'UPDATE %T SET status = %s WHERE id = %d',
$task->getTableName(),
$status_map[$status],
$id);
}
}
echo "Done.\n";
echo "Migrating task transactions to new status constants...\n";
foreach (new LiskMigrationIterator(new ManiphestTransaction()) as $xaction) {
$id = $xaction->getID();
echo "Migrating {$id}...\n";
if ($xaction->getTransactionType() == ManiphestTransaction::TYPE_STATUS) {
$old = $xaction->getOldValue();
if ($old !== null && isset($status_map[$old])) {
$old = $status_map[$old];
}
$new = $xaction->getNewValue();
if (isset($status_map[$new])) {
$new = $status_map[$new];
}
queryfx(
$conn_w,
'UPDATE %T SET oldValue = %s, newValue = %s WHERE id = %d',
$xaction->getTableName(),
json_encode($old),
json_encode($new),
$id);
}
}
echo "Done.\n";
$conn_w = id(new PhabricatorSavedQuery())->establishConnection('w');
echo "Migrating searches to new status constants...\n";
foreach (new LiskMigrationIterator(new PhabricatorSavedQuery()) as $query) {
$id = $query->getID();
echo "Migrating {$id}...\n";
if ($query->getEngineClassName() !== 'ManiphestTaskSearchEngine') {
continue;
}
$params = $query->getParameters();
$statuses = idx($params, 'statuses', array());
if ($statuses) {
$changed = false;
foreach ($statuses as $key => $status) {
if (isset($status_map[$status])) {
$statuses[$key] = $status_map[$status];
$changed = true;
}
}
if ($changed) {
$params['statuses'] = $statuses;
queryfx(
$conn_w,
'UPDATE %T SET parameters = %s WHERE id = %d',
$query->getTableName(),
json_encode($params),
$id);
}
}
}
echo "Done.\n";