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Code Issues Releases Wiki Activity

Fix an unusual internal cursor in Conpherence

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Summary:
See <https://discourse.phabricator-community.org/t/error-when-sending-a-message-chat-room/2548>.

Conpherence calls `setAfterID()` and `setBeforeID()` directly on a subquery, but these methods no longer exist.

Use a pager instead. This code probably shouldn't exist (we should use some other approach to fetch this data in most cases) but that's a larger change.

Test Plan: Sent messages in a Conpherence thread. Before: fatal; after: success. Viewed the Conphrence menu, loaded threads, etc.

Reviewers: amckinley

Reviewed By: amckinley

Differential Revision: https://secure.phabricator.com/D20318
This commit is contained in:
epriestley 2019-03-24 13:56:35 -07:00
parent 7f90570636
commit 2ebe675ae5
1 changed files with 23 additions and 11 deletions
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34
src/applications/conpherence/query/ConpherenceThreadQuery.php
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@ -285,23 +285,35 @@ final class ConpherenceThreadQuery
} }
private function loadTransactionsAndHandles(array $conpherences) { private function loadTransactionsAndHandles(array $conpherences) {
$query = id(new ConpherenceTransactionQuery()) // NOTE: This is older code which has been modernized to the minimum
->setViewer($this->getViewer()) // standard required by T13266. It probably isn't the best available
->withObjectPHIDs(array_keys($conpherences)) // approach to the problems it solves.
->needHandles(true);
$limit = $this->getTransactionLimit();
if ($limit) {
// fetch an extra for "show older" scenarios
$limit = $limit + 1;
} else {
$limit = 0xFFFF;
}
$pager = id(new AphrontCursorPagerView())
->setPageSize($limit);
// We have to flip these for the underlying query class. The semantics of // We have to flip these for the underlying query class. The semantics of
// paging are tricky business. // paging are tricky business.
if ($this->afterTransactionID) { if ($this->afterTransactionID) {
$query->setBeforeID($this->afterTransactionID); $pager->setBeforeID($this->afterTransactionID);
} else if ($this->beforeTransactionID) { } else if ($this->beforeTransactionID) {
$query->setAfterID($this->beforeTransactionID); $pager->setAfterID($this->beforeTransactionID);
} }
if ($this->getTransactionLimit()) {
// fetch an extra for "show older" scenarios $transactions = id(new ConpherenceTransactionQuery())
$query->setLimit($this->getTransactionLimit() + 1); ->setViewer($this->getViewer())
} ->withObjectPHIDs(array_keys($conpherences))
$transactions = $query->execute(); ->needHandles(true)
->executeWithCursorPager($pager);
$transactions = mgroup($transactions, 'getObjectPHID'); $transactions = mgroup($transactions, 'getObjectPHID');
foreach ($conpherences as $phid => $conpherence) { foreach ($conpherences as $phid => $conpherence) {
$current_transactions = idx($transactions, $phid, array()); $current_transactions = idx($transactions, $phid, array());