"cascade" for "post-engagement" / fixes for "report" definition

database.sql

@@ -1,6 +1,6 @@
 -- ------------------------------------------
 -- Friendica 2023.09-dev (Giant Rhubarb)
--- DB_UPDATE_VERSION 1531
+-- DB_UPDATE_VERSION 1532
 -- ------------------------------------------
 
 
@@ -1316,7 +1316,7 @@ CREATE TABLE IF NOT EXISTS `post-engagement` (
 	 INDEX `owner-id` (`owner-id`),
 	 INDEX `created` (`created`),
 	FOREIGN KEY (`uri-id`) REFERENCES `item-uri` (`id`) ON UPDATE RESTRICT ON DELETE CASCADE,
-	FOREIGN KEY (`owner-id`) REFERENCES `contact` (`id`) ON UPDATE RESTRICT ON DELETE RESTRICT
+	FOREIGN KEY (`owner-id`) REFERENCES `contact` (`id`) ON UPDATE RESTRICT ON DELETE CASCADE
 ) DEFAULT COLLATE utf8mb4_general_ci COMMENT='Engagement data per post';
 
 --
@@ -1741,7 +1741,7 @@ CREATE TABLE IF NOT EXISTS `report` (
 	`assigned-uid` mediumint unsigned COMMENT 'Assigned moderator user',
 	`status` tinyint unsigned NOT NULL COMMENT 'Status of the report, one of Entity\Report::STATUS_*',
 	`resolution` tinyint unsigned COMMENT 'Resolution of the report, one of Entity\Report::RESOLUTION_*',
-	`created` datetime(6) NOT NULL DEFAULT '0001-01-01 00:00:00' COMMENT '',
+	`created` datetime(6) NOT NULL DEFAULT '0001-01-01 00:00:00.000000' COMMENT '',
 	`edited` datetime(6) COMMENT 'Last time the report has been edited',
 	 PRIMARY KEY(`id`),
 	 INDEX `uid` (`uid`),

doc/database/db_report.md

@@ -7,7 +7,7 @@ Fields
 ------
 
 | Field           | Description                                                  | Type               | Null | Key | Default                    | Extra          |
-| --------------- | ------------------------------------------------------------ | ------------------ | ---- | --- | ------------------- | -------------- |
+| --------------- | ------------------------------------------------------------ | ------------------ | ---- | --- | -------------------------- | -------------- |
 | id              | sequential ID                                                | int unsigned       | NO   | PRI | NULL                       | auto_increment |
 | uid             | Reporting user                                               | mediumint unsigned | YES  |     | NULL                       |                |
 | reporter-id     | Reporting contact                                            | int unsigned       | YES  |     | NULL                       |                |
@@ -22,7 +22,7 @@ Fields
 | assigned-uid    | Assigned moderator user                                      | mediumint unsigned | YES  |     | NULL                       |                |
 | status          | Status of the report, one of Entity\Report::STATUS_*         | tinyint unsigned   | NO   |     | NULL                       |                |
 | resolution      | Resolution of the report, one of Entity\Report::RESOLUTION_* | tinyint unsigned   | YES  |     | NULL                       |                |
-| created         |                                                              | datetime(6)        | NO   |     | 0001-01-01 00:00:00 |                |
+| created         |                                                              | datetime(6)        | NO   |     | 0001-01-01 00:00:00.000000 |                |
 | edited          | Last time the report has been edited                         | datetime(6)        | YES  |     | NULL                       |                |
 
 Indexes

src/Database/DBA.php

@@ -42,6 +42,11 @@ class DBA
 	 */
 	const NULL_DATETIME = '0001-01-01 00:00:00';
 
+	/**
+	 * Lowest possible datetime(6) value
+	 */
+	const NULL_DATETIME6 = '0001-01-01 00:00:00.000000';
+
 	public static function connect(): bool
 	{
 		return DI::dba()->connect();

src/Database/DBStructure.php

@@ -284,7 +284,7 @@ class DBStructure
 					echo $sql;
 				}
 				if ($action) {
-					$r = DBA::e($sql);
+					$r = DBA::e(str_replace('\\', '\\\\', $sql));
 					if (!DBA::isResult($r)) {
 						$errors .= self::printUpdateError($name);
 					}
@@ -493,7 +493,7 @@ class DBStructure
 						DI::config()->set('system', 'maintenance_reason', DI::l10n()->t('%s: updating %s table.', DateTimeFormat::utcNow() . ' ' . date('e'), $name));
 					}
 
-					$r = DBA::e($sql3);
+					$r = DBA::e(str_replace('\\', '\\\\', $sql3));
 					if (!DBA::isResult($r)) {
 						$errors .= self::printUpdateError($sql3);
 					}

static/dbstructure.config.php

@@ -56,7 +56,7 @@ use Friendica\Database\DBA;
 
 // This file is required several times during the test in DbaDefinition which justifies this condition
 if (!defined('DB_UPDATE_VERSION')) {
-	define('DB_UPDATE_VERSION', 1531);
+	define('DB_UPDATE_VERSION', 1532);
 }
 
 return [
@@ -1328,7 +1328,7 @@ return [
 		"comment" => "Engagement data per post",
 		"fields" => [
 			"uri-id" => ["type" => "int unsigned", "not null" => "1", "primary" => "1",  "foreign" => ["item-uri" => "id"], "comment" => "Id of the item-uri table entry that contains the item uri"],
-			"owner-id" => ["type" => "int unsigned", "not null" => "1", "default" => "0", "foreign" => ["contact" => "id", "on delete" => "restrict"], "comment" => "Item owner"],
+			"owner-id" => ["type" => "int unsigned", "not null" => "1", "default" => "0", "foreign" => ["contact" => "id"], "comment" => "Item owner"],
 			"contact-type" => ["type" => "tinyint", "not null" => "1", "default" => "0", "comment" => "Person, organisation, news, community, relay"],
 			"media-type" => ["type" => "tinyint", "not null" => "1", "default" => "0", "comment" => "Type of media in a bit array (1 = image, 2 = video, 4 = audio"],
 			"language" => ["type" => "varbinary(128)", "comment" => "Language information about this post"],
@@ -1736,7 +1736,7 @@ return [
 			"assigned-uid" => ["type" => "mediumint unsigned", "foreign" => ["user" => "uid"], "comment" => "Assigned moderator user"],
 			"status" => ["type" => "tinyint unsigned", "not null" => "1", "comment" => "Status of the report, one of Entity\Report::STATUS_*"],
 			"resolution" => ["type" => "tinyint unsigned", "comment" => "Resolution of the report, one of Entity\Report::RESOLUTION_*"],
-			"created" => ["type" => "datetime(6)", "not null" => "1", "default" => DBA::NULL_DATETIME, "comment" => ""],
+			"created" => ["type" => "datetime(6)", "not null" => "1", "default" => DBA::NULL_DATETIME6, "comment" => ""],
 			"edited" => ["type" => "datetime(6)", "comment" => "Last time the report has been edited"],
 		],
 		"indexes" => [