<?php
/**
- * @file src/Database/DBStructure.php
+ * @copyright Copyright (C) 2020, Friendica
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
*/
namespace Friendica\Database;
use Exception;
-use Friendica\Core\Config;
use Friendica\Core\Hook;
-use Friendica\Core\L10n;
use Friendica\Core\Logger;
+use Friendica\DI;
use Friendica\Util\DateTimeFormat;
-require_once 'include/dba.php';
-
/**
- * @brief This class contain functions for the database management
- *
* This class contains functions that doesn't need to know if pdo, mysqli or whatever is used.
*/
class DBStructure
*/
private static $definition = [];
- /*
- * Converts all tables from MyISAM to InnoDB
+ /**
+ * Converts all tables from MyISAM/InnoDB Antelope to InnoDB Barracuda
*/
public static function convertToInnoDB()
{
- $r = q("SELECT `TABLE_NAME` FROM `information_schema`.`tables` WHERE `engine` = 'MyISAM' AND `table_schema` = '%s'",
- DBA::escape(DBA::databaseName()));
-
- if (!DBA::isResult($r)) {
- echo L10n::t('There are no tables on MyISAM.') . "\n";
+ $tables = DBA::selectToArray(
+ ['information_schema' => 'tables'],
+ ['table_name'],
+ ['engine' => 'MyISAM', 'table_schema' => DBA::databaseName()]
+ );
+
+ $tables = array_merge($tables, DBA::selectToArray(
+ ['information_schema' => 'tables'],
+ ['table_name'],
+ ['engine' => 'InnoDB', 'ROW_FORMAT' => ['COMPACT', 'REDUNDANT'], 'table_schema' => DBA::databaseName()]
+ ));
+
+ if (!DBA::isResult($tables)) {
+ echo DI::l10n()->t('There are no tables on MyISAM or InnoDB with the Antelope file format.') . "\n";
return;
}
- foreach ($r AS $table) {
- $sql = sprintf("ALTER TABLE `%s` engine=InnoDB;", DBA::escape($table['TABLE_NAME']));
+ foreach ($tables AS $table) {
+ $sql = "ALTER TABLE " . DBA::quoteIdentifier($table['table_name']) . " ENGINE=InnoDB ROW_FORMAT=DYNAMIC;";
echo $sql . "\n";
$result = DBA::e($sql);
}
/**
- * @brief Print out database error messages
+ * Print out database error messages
*
* @param string $message Message to be added to the error message
*
*/
private static function printUpdateError($message)
{
- echo L10n::t("\nError %d occurred during database update:\n%s\n",
+ echo DI::l10n()->t("\nError %d occurred during database update:\n%s\n",
DBA::errorNo(), DBA::errorMessage());
- return L10n::t('Errors encountered performing database changes: ') . $message . EOL;
+ return DI::l10n()->t('Errors encountered performing database changes: ') . $message . EOL;
}
- public static function printStructure()
+ public static function printStructure($basePath)
{
- $database = self::definition(false);
+ $database = self::definition($basePath, false);
echo "-- ------------------------------------------\n";
echo "-- " . FRIENDICA_PLATFORM . " " . FRIENDICA_VERSION . " (" . FRIENDICA_CODENAME, ")\n";
echo "\n";
}
+
+ View::printStructure($basePath);
}
/**
- * Loads the database structure definition from the config/dbstructure.config.php file.
+ * Loads the database structure definition from the static/dbstructure.config.php file.
* On first pass, defines DB_UPDATE_VERSION constant.
*
- * @see config/dbstructure.config.php
+ * @see static/dbstructure.config.php
* @param boolean $with_addons_structure Whether to tack on addons additional tables
+ * @param string $basePath The base path of this application
* @return array
* @throws Exception
*/
- public static function definition($basepath, $with_addons_structure = true)
+ public static function definition($basePath, $with_addons_structure = true)
{
if (!self::$definition) {
- $filename = $basepath . '/config/dbstructure.config.php';
+ $filename = $basePath . '/static/dbstructure.config.php';
if (!is_readable($filename)) {
- throw new Exception('Missing database structure config file config/dbstructure.config.php');
+ throw new Exception('Missing database structure config file static/dbstructure.config.php');
}
$definition = require $filename;
if (!$definition) {
- throw new Exception('Corrupted database structure config file config/dbstructure.config.php');
+ throw new Exception('Corrupted database structure config file static/dbstructure.config.php');
}
self::$definition = $definition;
$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"];
}
/**
* Updates DB structure and returns eventual errors messages
*
- * @param bool $verbose
- * @param bool $action Whether to actually apply the update
- * @param bool $install Is this the initial update during the installation?
- * @param array $tables An array of the database tables
- * @param array $definition An array of the definition tables
+ * @param string $basePath The base path of this application
+ * @param bool $verbose
+ * @param bool $action Whether to actually apply the update
+ * @param bool $install Is this the initial update during the installation?
+ * @param array $tables An array of the database tables
+ * @param array $definition An array of the definition tables
* @return string Empty string if the update is successful, error messages otherwise
* @throws Exception
*/
- public static function update($verbose, $action, $install = false, array $tables = null, array $definition = null)
+ public static function update($basePath, $verbose, $action, $install = false, array $tables = null, array $definition = null)
{
if ($action && !$install) {
- Config::set('system', 'maintenance', 1);
- Config::set('system', 'maintenance_reason', L10n::t('%s: Database update', DateTimeFormat::utcNow() . ' ' . date('e')));
+ DI::config()->set('system', 'maintenance', 1);
+ DI::config()->set('system', 'maintenance_reason', DI::l10n()->t('%s: Database update', DateTimeFormat::utcNow() . ' ' . date('e')));
}
$errors = '';
$database = [];
if (is_null($tables)) {
- $tables = q("SHOW TABLES");
+ $tables = DBA::toArray(DBA::p("SHOW TABLES"));
}
if (DBA::isResult($tables)) {
// Get the definition
if (is_null($definition)) {
- $definition = self::definition();
+ $definition = self::definition($basePath);
}
// MySQL >= 5.7.4 doesn't support the IGNORE keyword in ALTER TABLE statements
// 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"])) {
- $structurecomment = defaults($structure, "comment", "");
- if ($database[$name]["table_status"]["Comment"] != $structurecomment) {
+ $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"]["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 == "") {
// Compare the field structure field by field
foreach ($structure["fields"] AS $fieldname => $parameters) {
// Compare the field definition
- $field_definition = defaults($database[$name]["fields"], $fieldname, ['Collation' => '']);
+ $field_definition = ($database[$name]["fields"][$fieldname] ?? '') ?: ['Collation' => ''];
// Define the default collation if not given
if (!isset($parameters['Collation']) && !empty($field_definition['Collation'])) {
if ($action) {
if (!$install) {
- Config::set('system', 'maintenance_reason', L10n::t('%s: updating %s table.', DateTimeFormat::utcNow() . ' ' . date('e'), $name));
+ DI::config()->set('system', 'maintenance_reason', DI::l10n()->t('%s: updating %s table.', DateTimeFormat::utcNow() . ' ' . date('e'), $name));
}
// Ensure index conversion to unique removes duplicates
}
}
+ View::create(false, $action);
+
if ($action && !$install) {
- Config::set('system', 'maintenance', 0);
- Config::set('system', 'maintenance_reason', '');
+ DI::config()->set('system', 'maintenance', 0);
+ DI::config()->set('system', 'maintenance_reason', '');
if ($errors) {
- Config::set('system', 'dbupdate', self::UPDATE_FAILED);
+ DI::config()->set('system', 'dbupdate', self::UPDATE_FAILED);
} else {
- Config::set('system', 'dbupdate', self::UPDATE_SUCCESSFUL);
+ DI::config()->set('system', 'dbupdate', self::UPDATE_SUCCESSFUL);
}
}
private static function tableStructure($table)
{
- $structures = q("DESCRIBE `%s`", $table);
-
- $full_columns = q("SHOW FULL COLUMNS FROM `%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)));
- $indexes = q("SHOW INDEX 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]);
- $table_status = q("SHOW TABLE STATUS WHERE `name` = '%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(), $table]);
- if (DBA::isResult($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['COLUMN_NAME']]['type'] = $field['COLUMN_TYPE'];
- $fielddata[$field["Field"]]["type"] = $field["Type"];
- if ($field["Null"] == "NO") {
- $fielddata[$field["Field"]]["not null"] = true;
+ 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.
*
* @todo You cannot rename a primary key if "auto increment" is set
*
* @param string $table Table name
- * @param array $columns Columns Syntax for Rename: [ $old1 => [ $new1, $type1 ], $old2 => [ $new2, $type2 ], ... ] )
- * Syntax for Primary Key: [ $col1, $col2, ...] )
+ * @param array $columns Columns Syntax for Rename: [ $old1 => [ $new1, $type1 ], $old2 => [ $new2, $type2 ], ... ]
+ * Syntax for Primary Key: [ $col1, $col2, ...]
* @param int $type The type of renaming (Default is Column)
*
* @return boolean Was the renaming successful?
/**
* Check if a table exists
*
- * @param string $table Table name
+ * @param string|array $table Table name
*
* @return boolean Does the table exist?
* @throws Exception
return false;
}
- $table = DBA::escape($table);
-
- $sql = "SHOW TABLES LIKE '" . $table . "';";
-
- $stmt = DBA::p($sql);
-
- if (is_bool($stmt)) {
- $retval = $stmt;
+ if (is_array($table)) {
+ $condition = ['table_schema' => key($table), 'table_name' => current($table)];
} else {
- $retval = (DBA::numRows($stmt) > 0);
+ $condition = ['table_schema' => DBA::databaseName(), 'table_name' => $table];
}
- DBA::close($stmt);
+ $result = DBA::exists(['information_schema' => 'tables'], $condition);
- return $retval;
+ return $result;
+ }
+
+ /**
+ * Returns the columns of a table
+ *
+ * @param string $table Table name
+ *
+ * @return array An array of the table columns
+ * @throws Exception
+ */
+ public static function getColumns($table)
+ {
+ $stmtColumns = DBA::p("SHOW COLUMNS FROM `" . $table . "`");
+ return DBA::toArray($stmtColumns);
}
}