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MDL-59630 analytics: Purge everything when the model is deleted

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This commit is contained in:
David Monllao 2017-08-30 12:53:38 +02:00
parent a8ccc5f2eb
commit 99b84a26f9
4 changed files with 119 additions and 5 deletions
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14
analytics/classes/model.php
View file

@ -441,9 +441,6 @@ class model {
// Delete generated predictions.
$this->clear_model();
// Purge all generated files.
\core_analytics\dataset_manager::clear_model_files($this->model->id);
// Reset trained flag.
$this->model->trained = 0;
@ -476,6 +473,7 @@ class model {
$this->clear_model();
$DB->delete_records('analytics_models', array('id' => $this->model->id));
$DB->delete_records('analytics_models_log', array('modelid' => $this->model->id));
}
/**
@ -1413,11 +1411,21 @@ class model {
private function clear_model() {
global $DB;
$predictionids = $DB->get_fieldset_select('analytics_predictions', 'id', 'modelid = :modelid',
array('modelid' => $this->get_id()));
if ($predictionids) {
list($sql, $params) = $DB->get_in_or_equal($predictionids);
$DB->delete_records_select('analytics_prediction_actions', "predictionid $sql", $params);
}
$DB->delete_records('analytics_predictions', array('modelid' => $this->model->id));
$DB->delete_records('analytics_predict_samples', array('modelid' => $this->model->id));
$DB->delete_records('analytics_train_samples', array('modelid' => $this->model->id));
$DB->delete_records('analytics_used_files', array('modelid' => $this->model->id));
// Purge all generated files.
\core_analytics\dataset_manager::clear_model_files($this->model->id);
// We don't expect people to clear models regularly and the cost of filling the cache is
// 1 db read per context.
$this->purge_insights_cache();

2
analytics/classes/prediction.php
View file

@ -68,7 +68,7 @@ class prediction {
/**
* Constructor
*
* @param \stdClass $prediction
* @param \stdClass|int $prediction
* @param array $sampledata
* @return void
*/