/test/classes/Stubs/DbiDummy.php

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<?php
/**
 * Fake database driver for testing purposes
 *
 * It has hardcoded results for given queries what makes easy to use it
 * in testsuite. Feel free to include other queries which your test will
 * need.
 */

declare(strict_types=1);

namespace PhpMyAdmin\Tests\Stubs;

use PhpMyAdmin\Dbal\DatabaseName;
use PhpMyAdmin\Dbal\DbiExtension;
use PhpMyAdmin\FieldMetadata;

use function addslashes;
use function count;
use function debug_backtrace;
use function fwrite;
use function is_array;
use function is_bool;
use function is_int;
use function json_encode;
use function preg_replace;
use function str_replace;
use function trim;

use const DEBUG_BACKTRACE_IGNORE_ARGS;
use const JSON_PRETTY_PRINT;
use const JSON_UNESCAPED_SLASHES;
use const MYSQLI_TYPE_BLOB;
use const MYSQLI_TYPE_DATETIME;
use const MYSQLI_TYPE_DECIMAL;
use const MYSQLI_TYPE_STRING;
use const PHP_EOL;
use const STDERR;

/**
 * Fake database driver for testing purposes
 *
 * It has hardcoded results for given queries what makes easy to use it
 * in testsuite. Feel free to include other queries which your test will
 * need.
 */
class DbiDummy implements DbiExtension
{
    /**
     * First in, last out queries
     *
     * The results will be distributed in the filo way
     *
     * @var array
     * @phpstan-var array{
     *     'query': string,
     *     'result': ((int[]|string[]|array{string: string})[])|bool|bool[]|empty-array,
     *     'columns'?: string[],
     *     'metadata'?: object[]|empty-array,
     *     'used'?: bool,
     *     'pos'?: int
     * }[]
     */
    private $filoQueries = [];

    /**
     * First in, last out queries
     *
     * The results will be distributed in the fifo way
     *
     * @var string[]
     */
    private $fifoDatabasesToSelect = [];

    /**
     * @var array
     * @phpstan-var array{
     *     'query': string,
     *     'result': ((int[]|string[]|array{string: string})[])|bool|bool[]|empty-array,
     *     'columns'?: string[],
     *     'metadata'?: object[]|empty-array,
     *     'pos'?: int
     * }[]
     */
    private $dummyQueries = [];

    /** @var array<int,string|false> */
    private $fifoErrorCodes = [];

    public const OFFSET_GLOBAL = 1000;

    public function __construct()
    {
        $this->init();
    }

    /**
     * connects to the database server
     *
     * @param string $user     mysql user name
     * @param string $password mysql user password
     * @param array  $server   host/port/socket/persistent
     *
     * @return mixed false on error or a mysqli object on success
     */
    public function connect(
        $user,
        $password,
        array $server = []
    ) {
        return true;
    }

    /**
     * selects given database
     *
     * @param string|DatabaseName $databaseName name of db to select
     * @param object              $link         mysql link resource
     */
    public function selectDb($databaseName, $link): bool
    {
        $databaseName = $databaseName instanceof DatabaseName
                        ? $databaseName->getName() : $databaseName;

        foreach ($this->fifoDatabasesToSelect as $key => $databaseNameItem) {
            if ($databaseNameItem !== $databaseName) {
                continue;
            }

            // It was used
            unset($this->fifoDatabasesToSelect[$key]);

            return true;
        }

        fwrite(STDERR, 'Non expected select of database: ' . $databaseName . PHP_EOL);
        fwrite(STDERR, 'Trace: ' . json_encode(
            debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 5),
            JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES
        ) . PHP_EOL);

        return false;
    }

    public function hasUnUsedErrors(): bool
    {
        return $this->fifoErrorCodes !== [];
    }

    /**
     * @return string[]
     */
    public function getUnUsedDatabaseSelects(): array
    {
        return $this->fifoDatabasesToSelect;
    }

    /**
     * @return array[]
     */
    public function getUnUsedQueries(): array
    {
        $unUsed = [];
        foreach ($this->filoQueries as $query) {
            if (($query['used'] ?? false) === true) {
                continue;
            }

            $unUsed[] = $query;
        }

        return $unUsed;
    }

    /**
     * @return false|int|null
     */
    private function findFiloQuery(string $query)
    {
        for ($i = 0, $nb = count($this->filoQueries); $i < $nb; $i++) {
            if ($this->filoQueries[$i]['query'] !== $query) {
                continue;
            }

            if ($this->filoQueries[$i]['used'] ?? false) {
                continue;// Is has already been used
            }

            $this->filoQueries[$i]['pos'] = 0;
            $this->filoQueries[$i]['used'] = true;

            if (! is_array($this->filoQueries[$i]['result'])) {
                return false;
            }

            return $i;
        }

        return null;
    }

    /**
     * runs a query and returns the result
     *
     * @param string $query   query to run
     * @param object $link    mysql link resource
     * @param int    $options query options
     *
     * @return mixed
     */
    public function realQuery($query, $link = null, $options = 0)
    {
        $query = trim((string) preg_replace('/  */', ' ', str_replace("\n", ' ', $query)));
        $filoQuery = $this->findFiloQuery($query);
        if ($filoQuery !== null) {// Found a matching query
            return $filoQuery;
        }

        for ($i = 0, $nb = count($this->dummyQueries); $i < $nb; $i++) {
            if ($this->dummyQueries[$i]['query'] !== $query) {
                continue;
            }

            $this->dummyQueries[$i]['pos'] = 0;
            if (! is_array($this->dummyQueries[$i]['result'])) {
                return false;
            }

            return $i + self::OFFSET_GLOBAL;
        }

        echo 'Not supported query: ' . $query . "\n";

        return false;
    }

    /**
     * Run the multi query and output the results
     *
     * @param object $link  connection object
     * @param string $query multi query statement to execute
     *
     * @return array|bool
     */
    public function realMultiQuery($link, $query)
    {
        return false;
    }

    /**
     * returns result data from $result
     *
     * @param object $result MySQL result
     */
    public function fetchAny($result): ?array
    {
        $query_data = &$this->getQueryData($result);
        if ($query_data['pos'] >= count((array) $query_data['result'])) {
            return null;
        }

        $ret = $query_data['result'][$query_data['pos']];
        $query_data['pos'] += 1;

        return $ret;
    }

    /**
     * returns array of rows with associative and numeric keys from $result
     *
     * @param object $result result  MySQL result
     */
    public function fetchArray($result): ?array
    {
        $query_data = &$this->getQueryData($result);
        $data = $this->fetchAny($result);
        if (! is_array($data) || ! isset($query_data['columns'])) {
            return $data;
        }

        foreach ($data as $key => $val) {
            $data[$query_data['columns'][$key]] = $val;
        }

        return $data;
    }

    /**
     * returns array of rows with associative keys from $result
     *
     * @param object $result MySQL result
     */
    public function fetchAssoc($result): ?array
    {
        $data = $this->fetchAny($result);
        $query_data = &$this->getQueryData($result);
        if (! is_array($data) || ! isset($query_data['columns'])) {
            return $data;
        }

        $ret = [];
        foreach ($data as $key => $val) {
            $ret[$query_data['columns'][$key]] = $val;
        }

        return $ret;
    }

    /**
     * returns array of rows with numeric keys from $result
     *
     * @param object $result MySQL result
     */
    public function fetchRow($result): ?array
    {
        return $this->fetchAny($result);
    }

    /**
     * Adjusts the result pointer to an arbitrary row in the result
     *
     * @param object $result database result
     * @param int    $offset offset to seek
     */
    public function dataSeek($result, $offset): bool
    {
        $query_data = &$this->getQueryData($result);
        if ($offset > count($query_data['result'])) {
            return false;
        }

        $query_data['pos'] = $offset;

        return true;
    }

    /**
     * Frees memory associated with the result
     *
     * @param object $result database result
     */
    public function freeResult($result): void
    {
    }

    /**
     * Check if there are any more query results from a multi query
     *
     * @param object $link the connection object
     */
    public function moreResults($link): bool
    {
        return false;
    }

    /**
     * Prepare next result from multi_query
     *
     * @param object $link the connection object
     */
    public function nextResult($link): bool
    {
        return false;
    }

    /**
     * Store the result returned from multi query
     *
     * @param object $link the connection object
     *
     * @return mixed false when empty results / result set when not empty
     */
    public function storeResult($link)
    {
        return false;
    }

    /**
     * Returns a string representing the type of connection used
     *
     * @param object $link mysql link
     *
     * @return string type of connection used
     */
    public function getHostInfo($link)
    {
        return '';
    }

    /**
     * Returns the version of the MySQL protocol used
     *
     * @param object $link mysql link
     *
     * @return int version of the MySQL protocol used
     */
    public function getProtoInfo($link)
    {
        return -1;
    }

    /**
     * returns a string that represents the client library version
     *
     * @return string MySQL client library version
     */
    public function getClientInfo()
    {
        return 'libmysql - mysqlnd x.x.x-dev (phpMyAdmin tests)';
    }

    /**
     * returns last error message or false if no errors occurred
     *
     * @param object $link connection link
     *
     * @return string|bool error or false
     */
    public function getError($link)
    {
        foreach ($this->fifoErrorCodes as $i => $code) {
            unset($this->fifoErrorCodes[$i]);

            return $code;
        }

        return false;
    }

    /**
     * returns the number of rows returned by last query
     *
     * @param object|bool $result MySQL result
     *
     * @return string|int
     * @psalm-return int|numeric-string
     */
    public function numRows($result)
    {
        if (is_bool($result)) {
            return 0;
        }

        $query_data = &$this->getQueryData($result);

        return count($query_data['result']);
    }

    /**
     * returns the number of rows affected by last query
     *
     * @param object $link           the mysql object
     * @param bool   $get_from_cache whether to retrieve from cache
     *
     * @return int|string
     * @psalm-return int|numeric-string
     */
    public function affectedRows($link = null, $get_from_cache = true)
    {
        global $cached_affected_rows;

        return $cached_affected_rows ?? 0;
    }

    /**
     * returns metainfo for fields in $result
     *
     * @param object $result result set identifier
     *
     * @return FieldMetadata[]|null meta info for fields in $result
     */
    public function getFieldsMeta($result): ?array
    {
        $query_data = &$this->getQueryData($result);
        if (! isset($query_data['metadata'])) {
            return [];
        }

        return $query_data['metadata'];
    }

    /**
     * return number of fields in given $result
     *
     * @param object $result MySQL result
     *
     * @return int  field count
     */
    public function numFields($result)
    {
        $query_data = &$this->getQueryData($result);
        if (! isset($query_data['columns'])) {
            return 0;
        }

        return count($query_data['columns']);
    }

    /**
     * returns the length of the given field $i in $result
     *
     * @param object $result result set identifier
     * @param int    $i      field
     *
     * @return int length of field
     */
    public function fieldLen($result, $i)
    {
        return -1;
    }

    /**
     * returns name of $i. field in $result
     *
     * @param object $result result set identifier
     * @param int    $i      field
     *
     * @return string name of $i. field in $result
     */
    public function fieldName($result, $i)
    {
        $query_data = &$this->getQueryData($result);
        if (! isset($query_data['columns'])) {
            return '';
        }

        return $query_data['columns'][$i];
    }

    /**
     * returns properly escaped string for use in MySQL queries
     *
     * @param mixed  $link   database link
     * @param string $string string to be escaped
     *
     * @return string a MySQL escaped string
     */
    public function escapeString($link, $string)
    {
        return addslashes($string);
    }

    public function addSelectDb(string $databaseName): void
    {
        $this->fifoDatabasesToSelect[] = $databaseName;
    }

    /**
     * Adds query result for testing
     *
     * @param string     $query    SQL
     * @param array|bool $result   Expected result
     * @param string[]   $columns  The result columns
     * @param object[]   $metadata The result metadata
     * @phpstan-param (int[]|string[]|array{string: string}|null[])[]|bool|bool[] $result
     */
    public function addResult(string $query, $result, array $columns = [], array $metadata = []): void
    {
        $this->filoQueries[] = [
            'query' => $query,
            'result' => $result,
            'columns' => $columns,
            'metadata' => $metadata,
        ];
    }

    /**
     * Adds an error or false as no error to the stack
     *
     * @param string|false $code
     */
    public function addErrorCode($code): void
    {
        $this->fifoErrorCodes[] = $code;
    }

    public function removeDefaultResults(): void
    {
        $this->dummyQueries = [];
    }

    /**
     * @param mixed  $link  link
     * @param string $query query
     *
     * @return object|false
     */
    public function prepare($link, string $query)
    {
        return false;
    }

    /**
     * Return query data for ID
     *
     * @param object|int $result result set identifier
     *
     * @return array
     */
    private function &getQueryData($result): array
    {
        if (! is_int($result)) {
            // This never happens
            return [];
        }

        if ($result >= self::OFFSET_GLOBAL) {
            return $this->dummyQueries[$result - self::OFFSET_GLOBAL];
        }

        return $this->filoQueries[$result];
    }

    private function init(): void
    {
        /**
         * Array of queries this "driver" supports
         */
        $this->dummyQueries = [
            [
                'query' => 'SELECT 1',
                'result' => [['1']],
            ],
            [
                'query' => 'SELECT CURRENT_USER();',
                'result' => [['pma_test@localhost']],
            ],
            [
                'query' => "SHOW VARIABLES LIKE 'lower_case_table_names'",
                'result' => [
                    [
                        'lower_case_table_names',
                        '1',
                    ],
                ],
            ],
            [
                'query' => 'SELECT 1 FROM mysql.user LIMIT 1',
                'result' => [['1']],
            ],
            [
                'query' => 'SELECT 1 FROM `INFORMATION_SCHEMA`.`USER_PRIVILEGES`'
                    . " WHERE `PRIVILEGE_TYPE` = 'CREATE USER'"
                    . " AND '''pma_test''@''localhost''' LIKE `GRANTEE` LIMIT 1",
                'result' => [['1']],
            ],
            [
                'query' => 'SELECT 1 FROM (SELECT `GRANTEE`, `IS_GRANTABLE`'
                    . ' FROM `INFORMATION_SCHEMA`.`COLUMN_PRIVILEGES`'
                    . ' UNION SELECT `GRANTEE`, `IS_GRANTABLE`'
                    . ' FROM `INFORMATION_SCHEMA`.`TABLE_PRIVILEGES`'
                    . ' UNION SELECT `GRANTEE`, `IS_GRANTABLE`'
                    . ' FROM `INFORMATION_SCHEMA`.`SCHEMA_PRIVILEGES`'
                    . ' UNION SELECT `GRANTEE`, `IS_GRANTABLE`'
                    . ' FROM `INFORMATION_SCHEMA`.`USER_PRIVILEGES`) t'
                    . " WHERE `IS_GRANTABLE` = 'YES'"
                    . " AND '''pma_test''@''localhost''' LIKE `GRANTEE` LIMIT 1",
                'result' => [['1']],
            ],
            [
                'query' => 'SHOW MASTER LOGS',
                'result' => [
                    [
                        'Log_name' => 'index1',
                        'File_size' => 100,
                    ],
                    [
                        'Log_name' => 'index2',
                        'File_size' => 200,
                    ],
                ],
            ],
            [
                'query' => 'SHOW STORAGE ENGINES',
                'result' => [
                    [
                        'Engine' => 'dummy',
                        'Support' => 'YES',
                        'Comment' => 'dummy comment',
                    ],
                    [
                        'Engine' => 'dummy2',
                        'Support' => 'NO',
                        'Comment' => 'dummy2 comment',
                    ],
                    [
                        'Engine' => 'FEDERATED',
                        'Support' => 'NO',
                        'Comment' => 'Federated MySQL storage engine',
                    ],
                    [
                        'Engine' => 'Pbxt',
                        'Support' => 'NO',
                        'Comment' => 'Pbxt storage engine',
                    ],
                ],
            ],
            [
                'query' => 'SHOW STATUS WHERE Variable_name'
                    . ' LIKE \'Innodb\\_buffer\\_pool\\_%\''
                    . ' OR Variable_name = \'Innodb_page_size\';',
                'result' => [
                    [
                        'Innodb_buffer_pool_pages_data',
                        0,
                    ],
                    [
                        'Innodb_buffer_pool_pages_dirty',
                        0,
                    ],
                    [
                        'Innodb_buffer_pool_pages_flushed',
                        0,
                    ],
                    [
                        'Innodb_buffer_pool_pages_free',
                        0,
                    ],
                    [
                        'Innodb_buffer_pool_pages_misc',
                        0,
                    ],
                    [
                        'Innodb_buffer_pool_pages_total',
                        4096,
                    ],
                    [
                        'Innodb_buffer_pool_read_ahead_rnd',
                        0,
                    ],
                    [
                        'Innodb_buffer_pool_read_ahead',
                        0,
                    ],
                    [
                        'Innodb_buffer_pool_read_ahead_evicted',
                        0,
                    ],
                    [
                        'Innodb_buffer_pool_read_requests',
                        64,
                    ],
                    [
                        'Innodb_buffer_pool_reads',
                        32,
                    ],
                    [
                        'Innodb_buffer_pool_wait_free',
                        0,
                    ],
                    [
                        'Innodb_buffer_pool_write_requests',
                        64,
                    ],
                    [
                        'Innodb_page_size',
                        16384,
                    ],
                ],
            ],
            [
                'query' => 'SHOW ENGINE INNODB STATUS;',
                'result' => false,
            ],
            [
                'query' => 'SELECT @@innodb_version;',
                'result' => [
                    ['1.1.8'],
                ],
            ],
            [
                'query' => 'SELECT @@disabled_storage_engines',
                'result' => [
                    [''],
                ],
            ],
            [
                'query' => 'SHOW GLOBAL VARIABLES ;',
                'result' => [],
            ],
            [
                'query' => 'SHOW GLOBAL VARIABLES LIKE \'innodb_file_per_table\';',
                'result' => [
                    [
                        'innodb_file_per_table',
                        'OFF',
                    ],
                ],
            ],
            [
                'query' => 'SHOW GLOBAL VARIABLES LIKE \'innodb_file_format\';',
                'result' => [
                    [
                        'innodb_file_format',
                        'Antelope',
                    ],
                ],
            ],
            [
                'query' => 'SELECT @@collation_server',
                'result' => [
                    ['utf8_general_ci'],
                ],
            ],
            [
                'query' => 'SELECT @@lc_messages;',
                'result' => [],
            ],
            [
                'query' => 'SHOW SESSION VARIABLES LIKE \'FOREIGN_KEY_CHECKS\';',
                'result' => [
                    [
                        'foreign_key_checks',
                        'ON',
                    ],
                ],
            ],
            [
                'query' => 'SHOW TABLES FROM `pma_test`;',
                'result' => [
                    ['table1'],
                    ['table2'],
                ],
            ],
            [
                'query' => 'SHOW TABLES FROM `pmadb`',
                'result' => [
                    ['column_info'],
                ],
            ],
            [
                'query' => 'SHOW COLUMNS FROM `pma_test`.`table1`',
                'columns' => [
                    'Field',
                    'Type',
                    'Null',
                    'Key',
                    'Default',
                    'Extra',
                ],
                'result' => [
                    [
                        'i',
                        'int(11)',
                        'NO',
                        'PRI',
                        'NULL',
                        'auto_increment',
                    ],
                    [
                        'o',
                        'int(11)',
                        'NO',
                        'MUL',
                        'NULL',
                        '',
                    ],
                ],
            ],
            [
                'query' => 'SHOW INDEXES FROM `pma_test`.`table1` WHERE (Non_unique = 0)',
                'result' => [],
            ],
            [
                'query' => 'SHOW COLUMNS FROM `pma_test`.`table2`',
                'columns' => [
                    'Field',
                    'Type',
                    'Null',
                    'Key',
                    'Default',
                    'Extra',
                ],
                'result' => [
                    [
                        'i',
                        'int(11)',
                        'NO',
                        'PRI',
                        'NULL',
                        'auto_increment',
                    ],
                    [
                        'o',
                        'int(11)',
                        'NO',
                        'MUL',
                        'NULL',
                        '',
                    ],
                ],
            ],
            [
                'query' => 'SHOW INDEXES FROM `pma_test`.`table1`',
                'result' => [],
            ],
            [
                'query' => 'SHOW INDEXES FROM `pma_test`.`table2`',
                'result' => [],
            ],
            [
                'query' => 'SHOW COLUMNS FROM `pma`.`table1`',
                'columns' => [
                    'Field',
                    'Type',
                    'Null',
                    'Key',
                    'Default',
                    'Extra',
                    'Privileges',
                    'Comment',
                ],
                'result' => [
                    [
                        'i',
                        'int(11)',
                        'NO',
                        'PRI',
                        'NULL',
                        'auto_increment',
                        'select,insert,update,references',
                        '',
                    ],
                    [
                        'o',
                        'varchar(100)',
                        'NO',
                        'MUL',
                        'NULL',
                        '',
                        'select,insert,update,references',
                        '',
                    ],
                ],
            ],
            [
                'query' => 'SELECT `CHARACTER_SET_NAME` AS `Charset`,'
                    . ' `DEFAULT_COLLATE_NAME` AS `Default collation`,'
                    . ' `DESCRIPTION` AS `Description`,'
                    . ' `MAXLEN` AS `Maxlen`'
                    . ' FROM `information_schema`.`CHARACTER_SETS`',
                'columns' => [
                    'Charset',
                    'Default collation',
                    'Description',
                    'Maxlen',
                ],
                'result' => [
                    [
                        'armscii8',
                        'ARMSCII-8 Armenian',
                        'armscii8_general_ci',
                        '1',
                    ],
                    [
                        'utf8',
                        'utf8_general_ci',
                        'UTF-8 Unicode',
                        '3',
                    ],
                    [
                        'utf8mb4',
                        'UTF-8 Unicode',
                        'utf8mb4_0900_ai_ci',
                        '4',
                    ],
                    [
                        'latin1',
                        'latin1_swedish_ci',
                        'cp1252 West European',
                        '1',
                    ],
                ],
            ],
            [
                'query' => 'SELECT `COLLATION_NAME` AS `Collation`,'
                    . ' `CHARACTER_SET_NAME` AS `Charset`,'
                    . ' `ID` AS `Id`,'
                    . ' `IS_DEFAULT` AS `Default`,'
                    . ' `IS_COMPILED` AS `Compiled`,'
                    . ' `SORTLEN` AS `Sortlen`'
                    . ' FROM `information_schema`.`COLLATIONS`',
                'columns' => [
                    'Collation',
                    'Charset',
                    'Id',
                    'Default',
                    'Compiled',
                    'Sortlen',
                ],
                'result' => [
                    [
                        'utf8mb4_general_ci',
                        'utf8mb4',
                        '45',
                        'Yes',
                        'Yes',
                        '1',
                    ],
                    [
                        'armscii8_general_ci',
                        'armscii8',
                        '32',
                        'Yes',
                        'Yes',
                        '1',
                    ],
                    [
                        'utf8_general_ci',
                        'utf8',
                        '33',
                        'Yes',
                        'Yes',
                        '1',
                    ],
                    [
                        'utf8_bin',
                        'utf8',
                        '83',
                        '',
                        'Yes',
                        '1',
                    ],
                    [
                        'latin1_swedish_ci',
                        'latin1',
                        '8',
                        'Yes',
                        'Yes',
                        '1',
                    ],
                ],
            ],
            [
                'query' => 'SELECT `TABLE_NAME` FROM `INFORMATION_SCHEMA`.`TABLES`'
                    . ' WHERE `TABLE_SCHEMA`=\'pma_test\' AND `TABLE_TYPE` IN (\'BASE TABLE\', \'SYSTEM VERSIONED\')',
                'result' => [],
            ],
            [
                'query' => 'SELECT `column_name`, `mimetype`, `transformation`,'
                    . ' `transformation_options`, `input_transformation`,'
                    . ' `input_transformation_options`'
                    . ' FROM `pmadb`.`column_info`'
                    . ' WHERE `db_name` = \'pma_test\' AND `table_name` = \'table1\''
                    . ' AND ( `mimetype` != \'\' OR `transformation` != \'\''
                    . ' OR `transformation_options` != \'\''
                    . ' OR `input_transformation` != \'\''
                    . ' OR `input_transformation_options` != \'\')',
                'columns' => [
                    'column_name',
                    'mimetype',
                    'transformation',
                    'transformation_options',
                    'input_transformation',
                    'input_transformation_options',
                ],
                'result' => [
                    [
                        'o',
                        'text/plain',
                        'sql',
                        '',
                        'regex',
                        '/pma/i',
                    ],
                    [
                        'col',
                        't',
                        'o/p',
                        '',
                        'i/p',
                        '',
                    ],
                ],
            ],
            [
                'query' => 'SELECT `column_name`, `mimetype`, `transformation`,'
                    . ' `transformation_options`, `input_transformation`,'
                    . ' `input_transformation_options`'
                    . ' FROM `information_schema`.`column_info`'
                    . ' WHERE `db_name` = \'my_db\' AND `table_name` = \'test_tbl\''
                    . ' AND ( `mimetype` != \'\' OR `transformation` != \'\''
                    . ' OR `transformation_options` != \'\''
                    . ' OR `input_transformation` != \'\''
                    . ' OR `input_transformation_options` != \'\')',
                'columns' => [
                    'column_name',
                    'mimetype',
                    'transformation',
                    'transformation_options',
                    'input_transformation',
                    'input_transformation_options',
                ],
                'result' => [
                    [
                        'vc',
                        '',
                        'output/text_plain_json.php',
                        '',
                        'Input/Text_Plain_JsonEditor.php',
                        '',
                    ],
                    [
                        'vc',
                        '',
                        'output/text_plain_formatted.php',
                        '',
                        'Text_Plain_Substring.php',
                        '1',
                    ],
                ],
            ],
            [
                'query' => 'SELECT TABLE_NAME FROM information_schema.VIEWS'
                    . ' WHERE TABLE_SCHEMA = \'pma_test\' AND TABLE_NAME = \'table1\'',
                'result' => [],
            ],
            [
                'query' => 'SELECT TABLE_NAME FROM information_schema.VIEWS'
                    . ' WHERE TABLE_SCHEMA = \'ODS_DB\' AND TABLE_NAME = \'Shop\'',
                'result' => [],
            ],
            [
                'query' => 'SELECT TABLE_NAME FROM information_schema.VIEWS'
                    . ' WHERE TABLE_SCHEMA = \'ODS_DB\' AND TABLE_NAME = \'pma_bookmark\'',
                'result' => [],
            ],
            [
                'query' => 'SELECT TABLE_NAME FROM information_schema.VIEWS'
                    . ' WHERE TABLE_SCHEMA = \'my_dataset\' AND TABLE_NAME = \'company_users\'',
                'result' => [],
            ],
            [
                'query' => 'SELECT TABLE_NAME FROM information_schema.VIEWS'
                    . ' WHERE TABLE_SCHEMA = \'my_db\' '
                    . 'AND TABLE_NAME = \'test_tbl\' AND IS_UPDATABLE = \'YES\'',
                'result' => [],
            ],
            [
                'query' => 'SELECT *, `TABLE_SCHEMA` AS `Db`, `TABLE_NAME` AS `Name`,'
                    . ' `TABLE_TYPE` AS `TABLE_TYPE`, `ENGINE` AS `Engine`,'
                    . ' `ENGINE` AS `Type`, `VERSION` AS `Version`,'
                    . ' `ROW_FORMAT` AS `Row_format`, `TABLE_ROWS` AS `Rows`,'
                    . ' `AVG_ROW_LENGTH` AS `Avg_row_length`,'
                    . ' `DATA_LENGTH` AS `Data_length`,'
                    . ' `MAX_DATA_LENGTH` AS `Max_data_length`,'
                    . ' `INDEX_LENGTH` AS `Index_length`, `DATA_FREE` AS `Data_free`,'
                    . ' `AUTO_INCREMENT` AS `Auto_increment`,'
                    . ' `CREATE_TIME` AS `Create_time`, `UPDATE_TIME` AS `Update_time`,'
                    . ' `CHECK_TIME` AS `Check_time`, `TABLE_COLLATION` AS `Collation`,'
                    . ' `CHECKSUM` AS `Checksum`, `CREATE_OPTIONS` AS `Create_options`,'
                    . ' `TABLE_COMMENT` AS `Comment`'
                    . ' FROM `information_schema`.`TABLES` t'
                    . ' WHERE `TABLE_SCHEMA` IN (\'pma_test\')'
                    . ' AND t.`TABLE_NAME` = \'table1\' ORDER BY Name ASC',
                'columns' => [
                    'TABLE_CATALOG',
                    'TABLE_SCHEMA',
                    'TABLE_NAME',
                    'TABLE_TYPE',
                    'ENGINE',
                    'VERSION',
                    'ROW_FORMAT',
                    'TABLE_ROWS',
                    'AVG_ROW_LENGTH',
                    'DATA_LENGTH',
                    'MAX_DATA_LENGTH',
                    'INDEX_LENGTH',
                    'DATA_FREE',
                    'AUTO_INCREMENT',
                    'CREATE_TIME',
                    'UPDATE_TIME',
                    'CHECK_TIME',
                    'TABLE_COLLATION',
                    'CHECKSUM',
                    'CREATE_OPTIONS',
                    'TABLE_COMMENT',
                    'Db',
                    'Name',
                    'TABLE_TYPE',
                    'Engine',
                    'Type',
                    'Version',
                    'Row_format',
                    'Rows',
                    'Avg_row_length',
                    'Data_length',
                    'Max_data_length',
                    'Index_length',
                    'Data_free',
                    'Auto_increment',
                    'Create_time',
                    'Update_time',
                    'Check_time',
                    'Collation',
                    'Checksum',
                    'Create_options',
                    'Comment',
                ],
                'result' => [
                    [
                        'def',
                        'smash',
                        'issues_issue',
                        'BASE TABLE',
                        'InnoDB',
                        '10',
                        'Compact',
                        '9136',
                        '862',
                        '7880704',
                        '0',
                        '1032192',
                        '420478976',
                        '155862',
                        '2012-08-29 13:28:28',
                        'NULL',
                        'NULL',
                        'utf8_general_ci',
                        'NULL',
                        '',
                        '',
                        'smash',
                        'issues_issue',
                        'BASE TABLE',
                        'InnoDB',
                        'InnoDB',
                        '10',
                        'Compact',
                        '9136',
                        '862',
                        '7880704',
                        '0',
                        '1032192',
                        '420478976',
                        '155862',
                        '2012-08-29 13:28:28',
                        'NULL',
                        'NULL',
                        'utf8_general_ci',
                        'NULL',
                    ],
                ],
            ],
            [
                'query' => 'SELECT *, `TABLE_SCHEMA` AS `Db`, `TABLE_NAME` AS `Name`,'
                    . ' `TABLE_TYPE` AS `TABLE_TYPE`, `ENGINE` AS `Engine`,'
                    . ' `ENGINE` AS `Type`, `VERSION` AS `Version`,'
                    . ' `ROW_FORMAT` AS `Row_format`, `TABLE_ROWS` AS `Rows`,'
                    . ' `AVG_ROW_LENGTH` AS `Avg_row_length`,'
                    . ' `DATA_LENGTH` AS `Data_length`,'
                    . ' `MAX_DATA_LENGTH` AS `Max_data_length`,'
                    . ' `INDEX_LENGTH` AS `Index_length`, `DATA_FREE` AS `Data_free`,'
                    . ' `AUTO_INCREMENT` AS `Auto_increment`,'
                    . ' `CREATE_TIME` AS `Create_time`, `UPDATE_TIME` AS `Update_time`,'
                    . ' `CHECK_TIME` AS `Check_time`, `TABLE_COLLATION` AS `Collation`,'
                    . ' `CHECKSUM` AS `Checksum`, `CREATE_OPTIONS` AS `Create_options`,'
                    . ' `TABLE_COMMENT` AS `Comment`'
                    . ' FROM `information_schema`.`TABLES` t'
                    . ' WHERE `TABLE_SCHEMA` IN (\'pma_test\')'
                    . ' AND t.`TABLE_NAME` = \'table1\' ORDER BY Name ASC',
                'columns' => [
                    'TABLE_CATALOG',
                    'TABLE_SCHEMA',
                    'TABLE_NAME',
                    'TABLE_TYPE',
                    'ENGINE',
                    'VERSION',
                    'ROW_FORMAT',
                    'TABLE_ROWS',
                    'AVG_ROW_LENGTH',
                    'DATA_LENGTH',
                    'MAX_DATA_LENGTH',
                    'INDEX_LENGTH',
                    'DATA_FREE',
                    'AUTO_INCREMENT',
                    'CREATE_TIME',
                    'UPDATE_TIME',
                    'CHECK_TIME',
                    'TABLE_COLLATION',
                    'CHECKSUM',
                    'CREATE_OPTIONS',
                    'TABLE_COMMENT',
                    'Db',
                    'Name',
                    'TABLE_TYPE',
                    'Engine',
                    'Type',
                    'Version',
                    'Row_format',
                    'Rows',
                    'Avg_row_length',
                    'Data_length',
                    'Max_data_length',
                    'Index_length',
                    'Data_free',
                    'Auto_increment',
                    'Create_time',
                    'Update_time',
                    'Check_time',
                    'Collation',
                    'Checksum',
                    'Create_options',
                    'Comment',
                ],
                'result' => [
                    [
                        'def',
                        'smash',
                        'issues_issue',
                        'BASE TABLE',
                        'InnoDB',
                        '10',
                        'Compact',
                        '9136',
                        '862',
                        '7880704',
                        '0',
                        '1032192',
                        '420478976',
                        '155862',
                        '2012-08-29 13:28:28',
                        'NULL',
                        'NULL',
                        'utf8_general_ci',
                        'NULL',
                        '',
                        '',
                        'smash',
                        'issues_issue',
                        'BASE TABLE',
                        'InnoDB',
                        'InnoDB',
                        '10',
                        'Compact',
                        '9136',
                        '862',
                        '7880704',
                        '0',
                        '1032192',
                        '420478976',
                        '155862',
                        '2012-08-29 13:28:28',
                        'NULL',
                        'NULL',
                        'utf8_general_ci',
                        'NULL',
                    ],
                ],
            ],
            [
                'query' => 'SELECT *, `TABLE_SCHEMA` AS `Db`, `TABLE_NAME` AS `Name`,'
                    . ' `TABLE_TYPE` AS `TABLE_TYPE`, `ENGINE` AS `Engine`,'
                    . ' `ENGINE` AS `Type`, `VERSION` AS `Version`,'
                    . ' `ROW_FORMAT` AS `Row_format`, `TABLE_ROWS` AS `Rows`,'
                    . ' `AVG_ROW_LENGTH` AS `Avg_row_length`,'
                    . ' `DATA_LENGTH` AS `Data_length`,'
                    . ' `MAX_DATA_LENGTH` AS `Max_data_length`,'
                    . ' `INDEX_LENGTH` AS `Index_length`, `DATA_FREE` AS `Data_free`,'
                    . ' `AUTO_INCREMENT` AS `Auto_increment`,'
                    . ' `CREATE_TIME` AS `Create_time`, `UPDATE_TIME` AS `Update_time`,'
                    . ' `CHECK_TIME` AS `Check_time`, `TABLE_COLLATION` AS `Collation`,'
                    . ' `CHECKSUM` AS `Checksum`, `CREATE_OPTIONS` AS `Create_options`,'
                    . ' `TABLE_COMMENT` AS `Comment`'
                    . ' FROM `information_schema`.`TABLES` t'
                    . ' WHERE `TABLE_SCHEMA` IN (\'my_db\')'
                    . ' AND t.`TABLE_NAME` = \'test_tbl\' ORDER BY Name ASC',
                'columns' => [
                    'TABLE_CATALOG',
                    'TABLE_SCHEMA',
                    'TABLE_NAME',
                    'TABLE_TYPE',
                    'ENGINE',
                    'VERSION',
                    'ROW_FORMAT',
                    'TABLE_ROWS',
                    'AVG_ROW_LENGTH',
                    'DATA_LENGTH',
                    'MAX_DATA_LENGTH',
                    'INDEX_LENGTH',
                    'DATA_FREE',
                    'AUTO_INCREMENT',
                    'CREATE_TIME',
                    'UPDATE_TIME',
                    'CHECK_TIME',
                    'TABLE_COLLATION',
                    'CHECKSUM',
                    'CREATE_OPTIONS',
                    'TABLE_COMMENT',
                    'Db',
                    'Name',
                    'TABLE_TYPE',
                    'Engine',
                    'Type',
                    'Version',
                    'Row_format',
                    'Rows',
                    'Avg_row_length',
                    'Data_length',
                    'Max_data_length',
                    'Index_length',
                    'Data_free',
                    'Auto_increment',
                    'Create_time',
                    'Update_time',
                    'Check_time',
                    'Collation',
                    'Checksum',
                    'Create_options',
                    'Comment',
                ],
                'result' => [],
            ],
            [
                'query' => 'SELECT COUNT(*) FROM `pma_test`.`table1`',
                'result' => [[0]],
            ],
            [
                'query' => 'SELECT `PRIVILEGE_TYPE` FROM `INFORMATION_SCHEMA`.'
                    . '`USER_PRIVILEGES`'
                    . ' WHERE GRANTEE=\'\'\'pma_test\'\'@\'\'localhost\'\'\''
                    . ' AND PRIVILEGE_TYPE=\'TRIGGER\'',
                'result' => [],
            ],
            [
                'query' => 'SELECT `PRIVILEGE_TYPE` FROM `INFORMATION_SCHEMA`.'
                    . '`SCHEMA_PRIVILEGES`'
                    . ' WHERE GRANTEE=\'\'\'pma_test\'\'@\'\'localhost\'\'\''
                    . ' AND PRIVILEGE_TYPE=\'TRIGGER\' AND \'pma_test\''
                    . ' LIKE `TABLE_SCHEMA`',
                'result' => [],
            ],
            [
                'query' => 'SELECT `PRIVILEGE_TYPE` FROM `INFORMATION_SCHEMA`.'
                    . '`TABLE_PRIVILEGES`'
                    . ' WHERE GRANTEE=\'\'\'pma_test\'\'@\'\'localhost\'\'\''
                    . ' AND PRIVILEGE_TYPE=\'TRIGGER\' AND \'pma_test\''
                    . ' LIKE `TABLE_SCHEMA` AND TABLE_NAME=\'table1\'',
                'result' => [],
            ],
            [
                'query' => 'SELECT `PRIVILEGE_TYPE` FROM `INFORMATION_SCHEMA`.'
                    . '`USER_PRIVILEGES`'
                    . ' WHERE GRANTEE=\'\'\'pma_test\'\'@\'\'localhost\'\'\''
                    . ' AND PRIVILEGE_TYPE=\'EVENT\'',
                'result' => [],
            ],
            [
                'query' => 'SELECT `PRIVILEGE_TYPE` FROM `INFORMATION_SCHEMA`.'
                    . '`SCHEMA_PRIVILEGES`'
                    . ' WHERE GRANTEE=\'\'\'pma_test\'\'@\'\'localhost\'\'\''
                    . ' AND PRIVILEGE_TYPE=\'EVENT\' AND \'pma_test\''
                    . ' LIKE `TABLE_SCHEMA`',
                'result' => [],
            ],
            [
                'query' => 'SELECT `PRIVILEGE_TYPE` FROM `INFORMATION_SCHEMA`.'
                    . '`TABLE_PRIVILEGES`'
                    . ' WHERE GRANTEE=\'\'\'pma_test\'\'@\'\'localhost\'\'\''
                    . ' AND PRIVILEGE_TYPE=\'EVENT\''
                    . ' AND TABLE_SCHEMA=\'pma\\\\_test\' AND TABLE_NAME=\'table1\'',
                'result' => [],
            ],
            [
                'query' => 'RENAME TABLE `pma_test`.`table1` TO `pma_test`.`table3`;',
                'result' => [],
            ],
            [
                'query' => 'SELECT TRIGGER_SCHEMA, TRIGGER_NAME, EVENT_MANIPULATION,'
                    . ' EVENT_OBJECT_TABLE, ACTION_TIMING, ACTION_STATEMENT, '
                    . 'EVENT_OBJECT_SCHEMA, EVENT_OBJECT_TABLE, DEFINER'
                    . ' FROM information_schema.TRIGGERS'
                    . ' WHERE EVENT_OBJECT_SCHEMA= \'pma_test\''
                    . ' AND EVENT_OBJECT_TABLE = \'table1\';',
                'result' => [],
            ],
            [
                'query' => 'SHOW TABLES FROM `pma`;',
                'result' => [],
            ],
            [
                'query' => 'SELECT `PRIVILEGE_TYPE` FROM `INFORMATION_SCHEMA`.'
                    . "`SCHEMA_PRIVILEGES` WHERE GRANTEE='''pma_test''@''localhost'''"
                    . " AND PRIVILEGE_TYPE='EVENT' AND TABLE_SCHEMA='pma'",
                'result' => [],
            ],
            [
                'query' => 'SELECT `PRIVILEGE_TYPE` FROM `INFORMATION_SCHEMA`.'
                    . "`SCHEMA_PRIVILEGES` WHERE GRANTEE='''pma_test''@''localhost'''"
                    . " AND PRIVILEGE_TYPE='TRIGGER' AND TABLE_SCHEMA='pma'",
                'result' => [],
            ],
            [
                'query' => 'SELECT `PRIVILEGE_TYPE` FROM `INFORMATION_SCHEMA`.'
                    . "`TABLE_PRIVILEGES` WHERE GRANTEE='''pma_test''@''localhost'''"
                    . " AND PRIVILEGE_TYPE='TRIGGER' AND 'db' LIKE `TABLE_SCHEMA` AND TABLE_NAME='table'",
                'result' => [],
            ],
            [
                'query' => 'SELECT DEFAULT_COLLATION_NAME FROM information_schema.SCHEMATA'
                    . ' WHERE SCHEMA_NAME = \'pma_test\' LIMIT 1',
                'columns' => ['DEFAULT_COLLATION_NAME'],
                'result' => [
                    ['utf8_general_ci'],
                ],
            ],
            [
                'query' => 'SELECT @@collation_database',
                'columns' => ['@@collation_database'],
                'result' => [
                    ['bar'],
                ],
            ],
            [
                'query' => 'SHOW TABLES FROM `phpmyadmin`',
                'result' => [],
            ],
            [
                'query' => 'SELECT tracking_active FROM `pmadb`.`tracking`' .
                    " WHERE db_name = 'pma_test_db'" .
                    " AND table_name = 'pma_test_table'" .
                    ' ORDER BY version DESC LIMIT 1',
                'columns' => ['tracking_active'],
                'result' => [
                    [1],
                ],
            ],
            [
                'query' => 'SELECT tracking_active FROM `pmadb`.`tracking`' .
                    " WHERE db_name = 'pma_test_db'" .
                    " AND table_name = 'pma_test_table2'" .
                    ' ORDER BY version DESC LIMIT 1',
                'result' => [],
            ],
            [
                'query' => 'SHOW SLAVE STATUS',
                'result' => [
                    [
                        'Slave_IO_State' => 'running',
                        'Master_Host' => 'localhost',
                        'Master_User' => 'Master_User',
                        'Master_Port' => '1002',
                        'Connect_Re…

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