mirror of
https://github.com/friendica/friendica
synced 2024-12-22 13:20:15 +00:00
We now support real foreign keys
This commit is contained in:
Michael
parent
b2ce9601da
commit
7f55e1b2bc
3 changed files with 159 additions and 24 deletions
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@ -162,11 +162,16 @@ class DBStructure
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$comment = "";
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$sql_rows = [];
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$primary_keys = [];
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$foreign_keys = [];
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foreach ($structure["fields"] AS $fieldname => $field) {
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$sql_rows[] = "`" . DBA::escape($fieldname) . "` " . self::FieldCommand($field);
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if (!empty($field['primary'])) {
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$primary_keys[] = $fieldname;
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}
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if (!empty($field['foreign'])) {
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$foreign_keys[$fieldname] = $field;
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}
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}
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if (!empty($structure["indexes"])) {
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@ -178,6 +183,10 @@ class DBStructure
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}
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}
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foreach ($foreign_keys AS $fieldname => $parameters) {
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$sql_rows[] = self::foreignCommand($name, $fieldname, $parameters);
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}
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if (isset($structure["engine"])) {
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$engine = " ENGINE=" . $structure["engine"];
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}
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@ -295,7 +304,7 @@ class DBStructure
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$database = [];
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if (is_null($tables)) {
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$tables = q("SHOW TABLES");
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$tables = DBA::toArray(DBA::p("SHOW TABLES"));
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}
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if (DBA::isResult($tables)) {
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@ -387,6 +396,7 @@ class DBStructure
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// Remove the relation data that is used for the referential integrity
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unset($parameters['relation']);
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unset($parameters['foreign']);
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// We change the collation after the indexes had been changed.
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// This is done to avoid index length problems.
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@ -441,6 +451,40 @@ class DBStructure
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}
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}
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$existing_foreign_keys = $database[$name]['foreign_keys'];
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// Foreign keys
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// Compare the field structure field by field
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foreach ($structure["fields"] AS $fieldname => $parameters) {
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if (empty($parameters['foreign'])) {
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continue;
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}
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$constraint = self::getConstraintName($name, $fieldname, $parameters);
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unset($existing_foreign_keys[$constraint]);
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if (empty($database[$name]['foreign_keys'][$constraint])) {
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$sql2 = self::addForeignKey($name, $fieldname, $parameters);
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if ($sql3 == "") {
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$sql3 = "ALTER" . $ignore . " TABLE `" . $temp_name . "` " . $sql2;
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} else {
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$sql3 .= ", " . $sql2;
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}
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}
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}
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foreach ($existing_foreign_keys as $constraint => $param) {
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$sql2 = self::dropForeignKey($constraint);
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if ($sql3 == "") {
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$sql3 = "ALTER" . $ignore . " TABLE `" . $temp_name . "` " . $sql2;
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} else {
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$sql3 .= ", " . $sql2;
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}
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}
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if (isset($database[$name]["table_status"]["Comment"])) {
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$structurecomment = $structure["comment"] ?? '';
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if ($database[$name]["table_status"]["Comment"] != $structurecomment) {
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@ -596,7 +640,7 @@ class DBStructure
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}
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}
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View::create($verbose, $action);
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View::create(false, $action);
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if ($action && !$install) {
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DI::config()->set('system', 'maintenance', 0);
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@ -620,6 +664,11 @@ class DBStructure
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$indexes = q("SHOW INDEX FROM `%s`", $table);
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$foreign_keys = DBA::selectToArray(['INFORMATION_SCHEMA' => 'KEY_COLUMN_USAGE'],
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['COLUMN_NAME', 'CONSTRAINT_NAME', 'REFERENCED_TABLE_NAME', 'REFERENCED_COLUMN_NAME'],
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["`TABLE_SCHEMA` = ? AND `TABLE_NAME` = ? AND `REFERENCED_TABLE_SCHEMA` IS NOT NULL",
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DBA::databaseName(), $table]);
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$table_status = q("SHOW TABLE STATUS WHERE `name` = '%s'", $table);
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if (DBA::isResult($table_status)) {
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@ -630,6 +679,15 @@ class DBStructure
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$fielddata = [];
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$indexdata = [];
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$foreigndata = [];
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if (DBA::isResult($foreign_keys)) {
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foreach ($foreign_keys as $foreign_key) {
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$constraint = $foreign_key['CONSTRAINT_NAME'];
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unset($foreign_key['CONSTRAINT_NAME']);
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$foreigndata[$constraint] = $foreign_key;
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}
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}
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if (DBA::isResult($indexes)) {
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foreach ($indexes AS $index) {
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@ -682,7 +740,8 @@ class DBStructure
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}
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}
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return ["fields" => $fielddata, "indexes" => $indexdata, "table_status" => $table_status];
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return ["fields" => $fielddata, "indexes" => $indexdata,
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"foreign_keys" => $foreigndata, "table_status" => $table_status];
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}
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private static function dropIndex($indexname)
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@ -703,6 +762,48 @@ class DBStructure
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return ($sql);
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}
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private static function getConstraintName(string $tablename, string $fieldname, array $parameters)
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{
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$foreign_table = array_keys($parameters['foreign'])[0];
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$foreign_field = array_values($parameters['foreign'])[0];
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return $tablename . "-" . $fieldname. "-" . $foreign_table. "-" . $foreign_field;
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}
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private static function foreignCommand(string $tablename, string $fieldname, array $parameters) {
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$foreign_table = array_keys($parameters['foreign'])[0];
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$foreign_field = array_values($parameters['foreign'])[0];
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$constraint = self::getConstraintName($tablename, $fieldname, $parameters);
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$sql = "CONSTRAINT `" . $constraint . "` FOREIGN KEY (`" . $fieldname . "`)" .
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" REFERENCES `" . $foreign_table . "` (`" . $foreign_field . "`)";
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if (!empty($parameters['foreign']['on update'])) {
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$sql .= " ON UPDATE " . strtoupper($parameters['foreign']['on update']);
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} else {
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$sql .= " ON UPDATE RESTRICT";
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}
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if (!empty($parameters['foreign']['on delete'])) {
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$sql .= " ON DELETE " . strtoupper($parameters['foreign']['on delete']);
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} else {
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$sql .= " ON DELETE CASCADE";
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}
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return $sql;
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}
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private static function addForeignKey(string $tablename, string $fieldname, array $parameters)
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{
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return sprintf("ADD %s", self::foreignCommand($tablename, $fieldname, $parameters));
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}
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private static function dropForeignKey(string $constraint)
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{
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return sprintf("DROP FOREIGN KEY `%s`", $constraint);
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}
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/**
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* Constructs a GROUP BY clause from a UNIQUE index definition.
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*
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@ -32,7 +32,7 @@
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* {"default" => "<default value>",}
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* {"default" => NULL_DATE,} (for datetime fields)
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* {"primary" => "1",}
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* {"relation" => ["<foreign key table name>" => "<foreign key field name>"],}
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* {"foreign|relation" => ["<foreign key table name>" => "<foreign key field name>"],}
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* "comment" => "Description of the fields"
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* ],
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* ...
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@ -44,6 +44,9 @@
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* ],
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* ],
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*
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* Whenever possible prefer "foreign" before "relation" with the foreign keys.
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* "foreign" adds true foreign keys on the database level, while "relation" simulates this behaviour.
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*
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* If you need to make any change, make sure to increment the DB_UPDATE_VERSION constant value below.
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*
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*/
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@ -51,7 +54,7 @@
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use Friendica\Database\DBA;
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if (!defined('DB_UPDATE_VERSION')) {
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define('DB_UPDATE_VERSION', 1347);
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define('DB_UPDATE_VERSION', 1348);
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}
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return [
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@ -158,7 +161,7 @@ return [
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"comment" => "OAuth usage",
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"fields" => [
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"id" => ["type" => "varchar(40)", "not null" => "1", "primary" => "1", "comment" => ""],
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"client_id" => ["type" => "varchar(20)", "not null" => "1", "default" => "", "relation" => ["clients" => "client_id"],
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"client_id" => ["type" => "varchar(20)", "not null" => "1", "default" => "", "foreign" => ["clients" => "client_id"],
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"comment" => ""],
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"redirect_uri" => ["type" => "varchar(200)", "not null" => "1", "default" => "", "comment" => ""],
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"expires" => ["type" => "int", "not null" => "1", "default" => "0", "comment" => ""],
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@ -166,6 +169,7 @@ return [
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],
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"indexes" => [
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"PRIMARY" => ["id"],
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"client_id" => ["client_id"]
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]
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],
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"cache" => [
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@ -367,7 +371,7 @@ return [
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"diaspora-interaction" => [
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"comment" => "Signed Diaspora Interaction",
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"fields" => [
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"uri-id" => ["type" => "int unsigned", "not null" => "1", "primary" => "1", "relation" => ["item-uri" => "id"], "comment" => "Id of the item-uri table entry that contains the item uri"],
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"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"],
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"interaction" => ["type" => "mediumtext", "comment" => "The Diaspora interaction"]
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],
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"indexes" => [
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@ -652,13 +656,13 @@ return [
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"id" => ["type" => "int unsigned", "not null" => "1", "extra" => "auto_increment", "primary" => "1", "relation" => ["thread" => "iid"]],
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"guid" => ["type" => "varchar(255)", "not null" => "1", "default" => "", "comment" => "A unique identifier for this item"],
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"uri" => ["type" => "varchar(255)", "not null" => "1", "default" => "", "comment" => ""],
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"uri-id" => ["type" => "int unsigned", "relation" => ["item-uri" => "id"], "comment" => "Id of the item-uri table entry that contains the item uri"],
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"uri-id" => ["type" => "int unsigned", "foreign" => ["item-uri" => "id"], "comment" => "Id of the item-uri table entry that contains the item uri"],
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"uri-hash" => ["type" => "varchar(80)", "not null" => "1", "default" => "", "comment" => "RIPEMD-128 hash from uri"],
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"parent" => ["type" => "int unsigned", "not null" => "1", "default" => "0", "relation" => ["item" => "id"], "comment" => "item.id of the parent to this item if it is a reply of some form; otherwise this must be set to the id of this item"],
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"parent-uri" => ["type" => "varchar(255)", "not null" => "1", "default" => "", "comment" => "uri of the parent to this item"],
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"parent-uri-id" => ["type" => "int unsigned", "relation" => ["item-uri" => "id"], "comment" => "Id of the item-uri table that contains the parent uri"],
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"parent-uri-id" => ["type" => "int unsigned", "foreign" => ["item-uri" => "id"], "comment" => "Id of the item-uri table that contains the parent uri"],
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"thr-parent" => ["type" => "varchar(255)", "not null" => "1", "default" => "", "comment" => "If the parent of this item is not the top-level item in the conversation, the uri of the immediate parent; otherwise set to parent-uri"],
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"thr-parent-id" => ["type" => "int unsigned", "relation" => ["item-uri" => "id"], "comment" => "Id of the item-uri table that contains the thread parent uri"],
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"thr-parent-id" => ["type" => "int unsigned", "foreign" => ["item-uri" => "id"], "comment" => "Id of the item-uri table that contains the thread parent uri"],
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"created" => ["type" => "datetime", "not null" => "1", "default" => DBA::NULL_DATETIME, "comment" => "Creation timestamp."],
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"edited" => ["type" => "datetime", "not null" => "1", "default" => DBA::NULL_DATETIME, "comment" => "Date of last edit (default is created)"],
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"commented" => ["type" => "datetime", "not null" => "1", "default" => DBA::NULL_DATETIME, "comment" => "Date of last comment/reply to this item"],
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@ -756,6 +760,8 @@ return [
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"iaid" => ["iaid"],
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"psid_wall" => ["psid", "wall"],
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"uri-id" => ["uri-id"],
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"parent-uri-id" => ["parent-uri-id"],
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"thr-parent-id" => ["thr-parent-id"],
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]
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],
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"item-activity" => [
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@ -763,7 +769,7 @@ return [
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"fields" => [
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"id" => ["type" => "int unsigned", "not null" => "1", "extra" => "auto_increment", "primary" => "1"],
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"uri" => ["type" => "varchar(255)", "comment" => ""],
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"uri-id" => ["type" => "int unsigned", "relation" => ["item-uri" => "id"], "comment" => "Id of the item-uri table entry that contains the item uri"],
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"uri-id" => ["type" => "int unsigned", "foreign" => ["item-uri" => "id"], "comment" => "Id of the item-uri table entry that contains the item uri"],
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"uri-hash" => ["type" => "varchar(80)", "not null" => "1", "default" => "", "comment" => "RIPEMD-128 hash from uri"],
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"activity" => ["type" => "smallint unsigned", "not null" => "1", "default" => "0", "comment" => ""]
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],
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@ -779,7 +785,7 @@ return [
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"fields" => [
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"id" => ["type" => "int unsigned", "not null" => "1", "extra" => "auto_increment", "primary" => "1"],
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"uri" => ["type" => "varchar(255)", "comment" => ""],
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"uri-id" => ["type" => "int unsigned", "relation" => ["item-uri" => "id"], "comment" => "Id of the item-uri table entry that contains the item uri"],
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"uri-id" => ["type" => "int unsigned", "foreign" => ["item-uri" => "id"], "comment" => "Id of the item-uri table entry that contains the item uri"],
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"uri-plink-hash" => ["type" => "varchar(80)", "not null" => "1", "default" => "", "comment" => "RIPEMD-128 hash from uri"],
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"title" => ["type" => "varchar(255)", "not null" => "1", "default" => "", "comment" => "item title"],
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"content-warning" => ["type" => "varchar(255)", "not null" => "1", "default" => "", "comment" => ""],
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@ -930,13 +936,14 @@ return [
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"id" => ["type" => "int unsigned", "not null" => "1", "extra" => "auto_increment", "primary" => "1", "comment" => "sequential ID"],
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"notify-id" => ["type" => "int unsigned", "not null" => "1", "default" => "0", "relation" => ["notify" => "id"], "comment" => ""],
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"master-parent-item" => ["type" => "int unsigned", "not null" => "1", "default" => "0", "relation" => ["item" => "id"], "comment" => ""],
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"master-parent-uri-id" => ["type" => "int unsigned", "relation" => ["item-uri" => "id"], "comment" => "Item-uri id of the parent of the related post"],
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"master-parent-uri-id" => ["type" => "int unsigned", "foreign" => ["item-uri" => "id"], "comment" => "Item-uri id of the parent of the related post"],
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"parent-item" => ["type" => "int unsigned", "not null" => "1", "default" => "0", "comment" => ""],
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"receiver-uid" => ["type" => "mediumint unsigned", "not null" => "1", "default" => "0", "relation" => ["user" => "uid"],
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"comment" => "User id"],
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],
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"indexes" => [
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"PRIMARY" => ["id"],
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"master-parent-uri-id" => ["master-parent-uri-id"],
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]
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],
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"oembed" => [
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@ -1293,10 +1300,10 @@ return [
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"post-category" => [
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"comment" => "post relation to categories",
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"fields" => [
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"uri-id" => ["type" => "int unsigned", "not null" => "1", "primary" => "1", "relation" => ["item-uri" => "id"], "comment" => "Id of the item-uri table entry that contains the item uri"],
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"uid" => ["type" => "mediumint unsigned", "not null" => "1", "default" => "0", "relation" => ["user" => "uid"], "comment" => "User id"],
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"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"],
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"uid" => ["type" => "mediumint unsigned", "not null" => "1", "default" => "0", "primary" => "1", "relation" => ["user" => "uid"], "comment" => "User id"],
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"type" => ["type" => "tinyint unsigned", "not null" => "1", "default" => "0", "primary" => "1", "comment" => ""],
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"tid" => ["type" => "int unsigned", "not null" => "1", "default" => "0", "primary" => "1", "relation" => ["tag" => "id"], "comment" => ""],
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"tid" => ["type" => "int unsigned", "not null" => "1", "default" => "0", "primary" => "1", "foreign" => ["tag" => "id", "on delete" => "restrict"], "comment" => ""],
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],
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"indexes" => [
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"PRIMARY" => ["uri-id", "uid", "type", "tid"],
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@ -1306,7 +1313,7 @@ return [
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"post-delivery-data" => [
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"comment" => "Delivery data for items",
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"fields" => [
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"uri-id" => ["type" => "int unsigned", "not null" => "1", "primary" => "1", "relation" => ["item-uri" => "id"], "comment" => "Id of the item-uri table entry that contains the item uri"],
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"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"],
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"postopts" => ["type" => "text", "comment" => "External post connectors add their network name to this comma-separated string to identify that they should be delivered to these networks during delivery"],
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"inform" => ["type" => "mediumtext", "comment" => "Additional receivers of the linked item"],
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"queue_count" => ["type" => "mediumint", "not null" => "1", "default" => "0", "comment" => "Initial number of delivery recipients, used as item.delivery_queue_count"],
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@ -1325,15 +1332,15 @@ return [
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"post-tag" => [
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"comment" => "post relation to tags",
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"fields" => [
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"uri-id" => ["type" => "int unsigned", "not null" => "1", "primary" => "1", "relation" => ["item-uri" => "id"], "comment" => "Id of the item-uri table entry that contains the item uri"],
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"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"],
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"type" => ["type" => "tinyint unsigned", "not null" => "1", "default" => "0", "primary" => "1", "comment" => ""],
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"tid" => ["type" => "int unsigned", "not null" => "1", "default" => "0", "primary" => "1", "relation" => ["tag" => "id"], "comment" => ""],
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"cid" => ["type" => "int unsigned", "not null" => "1", "default" => "0", "primary" => "1", "relation" => ["contact" => "id"], "comment" => "Contact id of the mentioned public contact"],
|
||||
"tid" => ["type" => "int unsigned", "not null" => "1", "default" => "0", "primary" => "1", "foreign" => ["tag" => "id", "on delete" => "restrict"], "comment" => ""],
|
||||
"cid" => ["type" => "int unsigned", "not null" => "1", "default" => "0", "primary" => "1", "foreign" => ["contact" => "id", "on delete" => "restrict"], "comment" => "Contact id of the mentioned public contact"],
|
||||
],
|
||||
"indexes" => [
|
||||
"PRIMARY" => ["uri-id", "type", "tid", "cid"],
|
||||
"uri-id" => ["tid"],
|
||||
"cid" => ["tid"]
|
||||
"tid" => ["tid"],
|
||||
"cid" => ["cid"]
|
||||
]
|
||||
],
|
||||
"thread" => [
|
||||
|
|
@ -1386,13 +1393,14 @@ return [
|
|||
"fields" => [
|
||||
"id" => ["type" => "varchar(40)", "not null" => "1", "primary" => "1", "comment" => ""],
|
||||
"secret" => ["type" => "text", "comment" => ""],
|
||||
"client_id" => ["type" => "varchar(20)", "not null" => "1", "default" => "", "relation" => ["clients" => "client_id"]],
|
||||
"client_id" => ["type" => "varchar(20)", "not null" => "1", "default" => "", "foreign" => ["clients" => "client_id"]],
|
||||
"expires" => ["type" => "int", "not null" => "1", "default" => "0", "comment" => ""],
|
||||
"scope" => ["type" => "varchar(200)", "not null" => "1", "default" => "", "comment" => ""],
|
||||
"uid" => ["type" => "mediumint unsigned", "not null" => "1", "default" => "0", "relation" => ["user" => "uid"], "comment" => "User id"],
|
||||
],
|
||||
"indexes" => [
|
||||
"PRIMARY" => ["id"],
|
||||
"client_id" => ["client_id"]
|
||||
]
|
||||
],
|
||||
"user" => [
|
||||
|
|
@ -1493,7 +1501,7 @@ return [
|
|||
"verb" => [
|
||||
"comment" => "Activity Verbs",
|
||||
"fields" => [
|
||||
"id" => ["type" => "int unsigned", "not null" => "1", "extra" => "auto_increment", "primary" => "1"],
|
||||
"id" => ["type" => "smallint unsigned", "not null" => "1", "extra" => "auto_increment", "primary" => "1"],
|
||||
"name" => ["type" => "varchar(100)", "not null" => "1", "default" => "", "comment" => ""]
|
||||
],
|
||||
"indexes" => [
|
||||
|
|
|
|||
26
update.php
26
update.php
|
|
@ -431,3 +431,29 @@ function update_1347()
|
|||
|
||||
return Update::SUCCESS;
|
||||
}
|
||||
|
||||
function pre_update_1348()
|
||||
{
|
||||
DBA::insert('contact', ['nurl' => '']);
|
||||
DBA::update('contact', ['id' => 0], ['id' => DBA::lastInsertId()]);
|
||||
|
||||
// The tables "permissionset" and "tag" could or could not exist during the update.
|
||||
// This depends upon the previous version. Depending upon this situation we have to add
|
||||
// the "0" values before adding the foreign keys - or after would be sufficient.
|
||||
|
||||
update_1348();
|
||||
}
|
||||
|
||||
function update_1348()
|
||||
{
|
||||
// Insert a permissionset with id=0
|
||||
// Setting it to -1 and then changing the value to 0 tricks the auto increment
|
||||
DBA::insert('permissionset', ['allow_cid' => '', 'allow_gid' => '', 'deny_cid' => '', 'deny_gid' => '']);
|
||||
DBA::update('permissionset', ['id' => 0], ['id' => DBA::lastInsertId()]);
|
||||
|
||||
DBA::insert('tag', ['name' => '']);
|
||||
DBA::update('tag', ['id' => 0], ['id' => DBA::lastInsertId()]);
|
||||
|
||||
// to-do: Tag / contact
|
||||
return Update::SUCCESS;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue