Issue with delete queries from last update

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Hello,

After the last update, the website is generating continously the below queries and makes the website unresponsive(returning 504 or 502).

 Query   |   74 | Sending data | DELETE v1 FROM wp_statistics_visitor_relationships AS v1 INNER JOIN wp_statistics_visitor_relationships AS v2 WHERE v1.ID > v2.ID AND v1.visitor_id = v2.visitor_id AND v1.page_id = v2.page_id AND DATE(v1.date) = DATE(v2.date) /*route:master*/ |   73882 |         0 |             0 |

 Query   |   46 | Sending data | DELETE v1 FROM wp_statistics_visitor_relationships AS v1 INNER JOIN wp_statistics_visitor_relationships AS v2 WHERE v1.ID > v2.ID AND v1.visitor_id = v2.visitor_id AND v1.page_id = v2.page_id AND DATE(v1.date) = DATE(v2.date) /*route:master*/ |   45473 | 

They seem to come from this part of code:

public static function delete_duplicate_data()
    {
        global $wpdb;

        // Define the table name
        $table_name = DB::table('visitor_relationships');

        // Start a transaction
        $wpdb->query('START TRANSACTION');

        // Prepare the delete query with a self-join to identify and delete duplicates
        $delete_query = "DELETE v1 FROM {$table_name} AS v1 INNER JOIN {$table_name} AS v2 WHERE v1.ID > v2.ID AND v1.visitor_id = v2.visitor_id AND v1.page_id = v2.page_id AND DATE(v1.date) = DATE(v2.date)";

        // Execute the delete query
        $wpdb->query($delete_query);

        // If no errors, commit the transaction
        $wpdb->query('COMMIT');
    }

Here is as well the stack trace:

[13-Feb-2024 21:30:40]  [pool www] pid 77764
script_filename = /app/web/wp-admin/admin-ajax.php
[0x00007f9aa6a13990] mysqli_query() /app/web/wp-includes/class-wpdb.php:2349
[0x00007f9aa6a13920] _do_query() /app/web/wp-includes/class-wpdb.php:2263
[0x00007f9aa6a13840] query() /app/web/wp-content/plugins/wp-statistics/includes/class-wp-statistics-install.php:271
[0x00007f9aa6a13790] delete_duplicate_data() /app/web/wp-content/plugins/wp-statistics/includes/class-wp-statistics-install.php:552
[0x00007f9aa6a13620] plugin_upgrades() /app/web/wp-includes/class-wp-hook.php:324
[0x00007f9aa6a13540] apply_filters() /app/web/wp-includes/class-wp-hook.php:348
[0x00007f9aa6a134d0] do_action() /app/web/wp-includes/plugin.php:517
[0x00007f9aa6a133f0] do_action() /app/web/wp-settings.php:643
[0x00007f9aa6a13230] [INCLUDE_OR_EVAL]() /app/web/wp-config.php:200
[0x00007f9aa6a13170] [INCLUDE_OR_EVAL]() /app/web/wp-load.php:50
[0x00007f9aa6a130d0] [INCLUDE_OR_EVAL]() /app/web/wp-admin/admin-ajax.php:22

Please let me know if you need anything else.

Best regards,

 

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