use Friendica\DI;
use Friendica\Util\DateTimeFormat;
-require_once __DIR__ . '/../../include/dba.php';
-
/**
* This class contains functions that doesn't need to know if pdo, mysqli or whatever is used.
*/
$comment = "";
$sql_rows = [];
$primary_keys = [];
+ $foreign_keys = [];
+
foreach ($structure["fields"] AS $fieldname => $field) {
$sql_rows[] = "`" . DBA::escape($fieldname) . "` " . self::FieldCommand($field);
if (!empty($field['primary'])) {
$primary_keys[] = $fieldname;
}
+ if (!empty($field['foreign'])) {
+ $foreign_keys[$fieldname] = $field;
+ }
}
if (!empty($structure["indexes"])) {
}
}
+ foreach ($foreign_keys AS $fieldname => $parameters) {
+ $sql_rows[] = self::foreignCommand($name, $fieldname, $parameters);
+ }
+
if (isset($structure["engine"])) {
$engine = " ENGINE=" . $structure["engine"];
}
$database = [];
if (is_null($tables)) {
- $tables = q("SHOW TABLES");
+ $tables = DBA::toArray(DBA::p("SHOW TABLES"));
}
if (DBA::isResult($tables)) {
// Remove the relation data that is used for the referential integrity
unset($parameters['relation']);
+ unset($parameters['foreign']);
// We change the collation after the indexes had been changed.
// This is done to avoid index length problems.
}
}
- if (isset($database[$name]["table_status"]["Comment"])) {
+ $existing_foreign_keys = $database[$name]['foreign_keys'];
+
+ // Foreign keys
+ // Compare the field structure field by field
+ foreach ($structure["fields"] AS $fieldname => $parameters) {
+ if (empty($parameters['foreign'])) {
+ continue;
+ }
+
+ $constraint = self::getConstraintName($name, $fieldname, $parameters);
+
+ unset($existing_foreign_keys[$constraint]);
+
+ if (empty($database[$name]['foreign_keys'][$constraint])) {
+ $sql2 = self::addForeignKey($name, $fieldname, $parameters);
+
+ if ($sql3 == "") {
+ $sql3 = "ALTER" . $ignore . " TABLE `" . $temp_name . "` " . $sql2;
+ } else {
+ $sql3 .= ", " . $sql2;
+ }
+ }
+ }
+
+ foreach ($existing_foreign_keys as $constraint => $param) {
+ $sql2 = self::dropForeignKey($constraint);
+
+ if ($sql3 == "") {
+ $sql3 = "ALTER" . $ignore . " TABLE `" . $temp_name . "` " . $sql2;
+ } else {
+ $sql3 .= ", " . $sql2;
+ }
+ }
+
+ if (isset($database[$name]["table_status"]["TABLE_COMMENT"])) {
$structurecomment = $structure["comment"] ?? '';
- if ($database[$name]["table_status"]["Comment"] != $structurecomment) {
+ if ($database[$name]["table_status"]["TABLE_COMMENT"] != $structurecomment) {
$sql2 = "COMMENT = '" . DBA::escape($structurecomment) . "'";
if ($sql3 == "") {
}
}
- if (isset($database[$name]["table_status"]["Engine"]) && isset($structure['engine'])) {
- if ($database[$name]["table_status"]["Engine"] != $structure['engine']) {
+ if (isset($database[$name]["table_status"]["ENGINE"]) && isset($structure['engine'])) {
+ if ($database[$name]["table_status"]["ENGINE"] != $structure['engine']) {
$sql2 = "ENGINE = '" . DBA::escape($structure['engine']) . "'";
if ($sql3 == "") {
}
}
- if (isset($database[$name]["table_status"]["Collation"])) {
- if ($database[$name]["table_status"]["Collation"] != 'utf8mb4_general_ci') {
+ if (isset($database[$name]["table_status"]["TABLE_COLLATION"])) {
+ if ($database[$name]["table_status"]["TABLE_COLLATION"] != 'utf8mb4_general_ci') {
$sql2 = "DEFAULT COLLATE utf8mb4_general_ci";
if ($sql3 == "") {
}
}
- View::create($verbose, $action);
+ View::create(false, $action);
if ($action && !$install) {
DI::config()->set('system', 'maintenance', 0);
private static function tableStructure($table)
{
- $structures = q("DESCRIBE `%s`", $table);
+ // This query doesn't seem to be executable as a prepared statement
+ $indexes = DBA::toArray(DBA::p(sprintf("SHOW INDEX FROM `%s`", $table)));
- $full_columns = q("SHOW FULL COLUMNS FROM `%s`", $table);
+ $fields = DBA::selectToArray(['INFORMATION_SCHEMA' => 'COLUMNS'],
+ ['COLUMN_NAME', 'COLUMN_TYPE', 'IS_NULLABLE', 'COLUMN_DEFAULT', 'EXTRA',
+ 'COLUMN_KEY', 'COLLATION_NAME', 'COLUMN_COMMENT'],
+ ["`TABLE_SCHEMA` = ? AND `TABLE_NAME` = ?",
+ DBA::databaseName(), $table]);
- $indexes = q("SHOW INDEX FROM `%s`", $table);
+ $foreign_keys = DBA::selectToArray(['INFORMATION_SCHEMA' => 'KEY_COLUMN_USAGE'],
+ ['COLUMN_NAME', 'CONSTRAINT_NAME', 'REFERENCED_TABLE_NAME', 'REFERENCED_COLUMN_NAME'],
+ ["`TABLE_SCHEMA` = ? AND `TABLE_NAME` = ? AND `REFERENCED_TABLE_SCHEMA` IS NOT NULL",
+ DBA::databaseName(), $table]);
- $table_status = q("SHOW TABLE STATUS WHERE `name` = '%s'", $table);
-
- if (DBA::isResult($table_status)) {
- $table_status = $table_status[0];
- } else {
- $table_status = [];
- }
+ $table_status = DBA::selectFirst(['INFORMATION_SCHEMA' => 'TABLES'],
+ ['ENGINE', 'TABLE_COLLATION', 'TABLE_COMMENT'],
+ ["`TABLE_SCHEMA` = ? AND `TABLE_NAME` = ?",
+ DBA::databaseName(), $table]);
$fielddata = [];
$indexdata = [];
+ $foreigndata = [];
+
+ if (DBA::isResult($foreign_keys)) {
+ foreach ($foreign_keys as $foreign_key) {
+ $constraint = $foreign_key['CONSTRAINT_NAME'];
+ unset($foreign_key['CONSTRAINT_NAME']);
+ $foreigndata[$constraint] = $foreign_key;
+ }
+ }
if (DBA::isResult($indexes)) {
foreach ($indexes AS $index) {
$indexdata[$index["Key_name"]][] = $column;
}
}
- if (DBA::isResult($structures)) {
- foreach ($structures AS $field) {
- // Replace the default size values so that we don't have to define them
+
+ $fielddata = [];
+ if (DBA::isResult($fields)) {
+ foreach ($fields AS $field) {
$search = ['tinyint(1)', 'tinyint(3) unsigned', 'tinyint(4)', 'smallint(5) unsigned', 'smallint(6)', 'mediumint(8) unsigned', 'mediumint(9)', 'bigint(20)', 'int(10) unsigned', 'int(11)'];
$replace = ['boolean', 'tinyint unsigned', 'tinyint', 'smallint unsigned', 'smallint', 'mediumint unsigned', 'mediumint', 'bigint', 'int unsigned', 'int'];
- $field["Type"] = str_replace($search, $replace, $field["Type"]);
+ $field['COLUMN_TYPE'] = str_replace($search, $replace, $field['COLUMN_TYPE']);
- $fielddata[$field["Field"]]["type"] = $field["Type"];
- if ($field["Null"] == "NO") {
- $fielddata[$field["Field"]]["not null"] = true;
+ $fielddata[$field['COLUMN_NAME']]['type'] = $field['COLUMN_TYPE'];
+
+ if ($field['IS_NULLABLE'] == 'NO') {
+ $fielddata[$field['COLUMN_NAME']]['not null'] = 1;
}
- if (isset($field["Default"])) {
- $fielddata[$field["Field"]]["default"] = $field["Default"];
+ if (isset($field['COLUMN_DEFAULT'])) {
+ $fielddata[$field['COLUMN_NAME']]['default'] = $field['COLUMN_DEFAULT'];
}
- if ($field["Extra"] != "") {
- $fielddata[$field["Field"]]["extra"] = $field["Extra"];
+ if (!empty($field['EXTRA'])) {
+ $fielddata[$field['COLUMN_NAME']]['extra'] = $field['EXTRA'];
}
- if ($field["Key"] == "PRI") {
- $fielddata[$field["Field"]]["primary"] = true;
+ if ($field['COLUMN_KEY'] == 'PRI') {
+ $fielddata[$field['COLUMN_NAME']]['primary'] = 1;
}
- }
- }
- if (DBA::isResult($full_columns)) {
- foreach ($full_columns AS $column) {
- $fielddata[$column["Field"]]["Collation"] = $column["Collation"];
- $fielddata[$column["Field"]]["comment"] = $column["Comment"];
+
+ $fielddata[$field['COLUMN_NAME']]['Collation'] = $field['COLLATION_NAME'];
+ $fielddata[$field['COLUMN_NAME']]['comment'] = $field['COLUMN_COMMENT'];
}
}
- return ["fields" => $fielddata, "indexes" => $indexdata, "table_status" => $table_status];
+ return ["fields" => $fielddata, "indexes" => $indexdata,
+ "foreign_keys" => $foreigndata, "table_status" => $table_status];
}
private static function dropIndex($indexname)
return ($sql);
}
+ private static function getConstraintName(string $tablename, string $fieldname, array $parameters)
+ {
+ $foreign_table = array_keys($parameters['foreign'])[0];
+ $foreign_field = array_values($parameters['foreign'])[0];
+
+ return $tablename . "-" . $fieldname. "-" . $foreign_table. "-" . $foreign_field;
+ }
+
+ private static function foreignCommand(string $tablename, string $fieldname, array $parameters) {
+ $foreign_table = array_keys($parameters['foreign'])[0];
+ $foreign_field = array_values($parameters['foreign'])[0];
+
+ $constraint = self::getConstraintName($tablename, $fieldname, $parameters);
+
+ $sql = "CONSTRAINT `" . $constraint . "` FOREIGN KEY (`" . $fieldname . "`)" .
+ " REFERENCES `" . $foreign_table . "` (`" . $foreign_field . "`)";
+
+ if (!empty($parameters['foreign']['on update'])) {
+ $sql .= " ON UPDATE " . strtoupper($parameters['foreign']['on update']);
+ } else {
+ $sql .= " ON UPDATE RESTRICT";
+ }
+
+ if (!empty($parameters['foreign']['on delete'])) {
+ $sql .= " ON DELETE " . strtoupper($parameters['foreign']['on delete']);
+ } else {
+ $sql .= " ON DELETE CASCADE";
+ }
+
+ return $sql;
+ }
+
+ private static function addForeignKey(string $tablename, string $fieldname, array $parameters)
+ {
+ return sprintf("ADD %s", self::foreignCommand($tablename, $fieldname, $parameters));
+ }
+
+ private static function dropForeignKey(string $constraint)
+ {
+ return sprintf("DROP FOREIGN KEY `%s`", $constraint);
+ }
+
/**
* Constructs a GROUP BY clause from a UNIQUE index definition.
*