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phorge-phorge/resources/sql/patches/102.heraldcleanup.php
epriestley 5b463e634c Write fewer "applied" rows and clean up excess historical rows
Summary:
  - Only write the <ruleID, phid> row if the rule is a one-time rule.
  - Delete all the rows for rules which aren't one-time.

NOTE: This is probably like several million rows for Facebook and could take a
while.

Test Plan:
Added some one-time and every-time rules, ran them against objects, verified
only relevant rows were inserted.
Ran upgrade script against a database with one-time and every-time "ruleapplied"
rows, got the irrelevant rows removed.

Reviewers: nh, btrahan, jungejason

Reviewed By: btrahan

CC: aran, epriestley

Differential Revision: https://secure.phabricator.com/D1484
2012-01-25 11:53:39 -08:00

51 lines
1.3 KiB
PHP

<?php
/*
* Copyright 2012 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
echo "Cleaning up old Herald rule applied rows...\n";
$rules = id(new HeraldRule())->loadAll();
foreach ($rules as $key => $rule) {
$first_policy = HeraldRepetitionPolicyConfig::toInt(
HeraldRepetitionPolicyConfig::FIRST);
if ($rule->getRepetitionPolicy() != $first_policy) {
unset($rules[$key]);
}
}
$conn_w = id(new HeraldRule())->establishConnection('w');
$clause = '';
if ($rules) {
$clause = qsprintf(
$conn_w,
'WHERE ruleID NOT IN (%Ld)',
mpull($rules, 'getID'));
}
echo "This may take a moment";
do {
queryfx(
$conn_w,
'DELETE FROM %T %Q LIMIT 1000',
HeraldRule::TABLE_RULE_APPLIED,
$clause);
echo ".";
} while ($conn_w->getAffectedRows());
echo "\n";
echo "Done.\n";