17023055417

Committed 17 Aug 2025 04:02PM UTC coverage: 84.259% (+0.03%) from 84.231%

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paulbalandan

Commit Message

Merge branch 'develop' into 4.7

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79.67

/system/Database/SQLSRV/Connection.php

<?php

declare(strict_types=1);

/**
 * This file is part of CodeIgniter 4 framework.
 *
 * (c) CodeIgniter Foundation <admin@codeigniter.com>
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

namespace CodeIgniter\Database\SQLSRV;

use CodeIgniter\Database\BaseConnection;
use CodeIgniter\Database\Exceptions\DatabaseException;
use CodeIgniter\Database\TableName;
use stdClass;

/**
 * Connection for SQLSRV
 *
 * @extends BaseConnection<resource, resource>
 */
class Connection extends BaseConnection
{
    /**
     * Database driver
     *
     * @var string
     */
    public $DBDriver = 'SQLSRV';

    /**
     * Database name
     *
     * @var string
     */
    public $database;

    /**
     * Scrollable flag
     *
     * Determines what cursor type to use when executing queries.
     *
     * FALSE or SQLSRV_CURSOR_FORWARD would increase performance,
     * but would disable num_rows() (and possibly insert_id())
     *
     * @var false|string
     */
    public $scrollable;

    /**
     * Identifier escape character
     *
     * @var string
     */
    public $escapeChar = '"';

    /**
     * Database schema
     *
     * @var string
     */
    public $schema = 'dbo';

    /**
     * Quoted identifier flag
     *
     * Whether to use SQL-92 standard quoted identifier
     * (double quotes) or brackets for identifier escaping.
     *
     * @var bool
     */
    protected $_quoted_identifier = true;

    /**
     * List of reserved identifiers
     *
     * Identifiers that must NOT be escaped.
     *
     * @var list<string>
     */
    protected $_reserved_identifiers = ['*'];

    /**
     * Class constructor
     */
    public function __construct(array $params)
    {
        parent::__construct($params);

        // This is only supported as of SQLSRV 3.0
        if ($this->scrollable === null) {
            $this->scrollable = defined('SQLSRV_CURSOR_CLIENT_BUFFERED') ? SQLSRV_CURSOR_CLIENT_BUFFERED : false;
        }
    }

    /**
     * Connect to the database.
     *
     * @return false|resource
     *
     * @throws DatabaseException
     */
    public function connect(bool $persistent = false)
    {
        $charset = in_array(strtolower($this->charset), ['utf-8', 'utf8'], true) ? 'UTF-8' : SQLSRV_ENC_CHAR;

        $connection = [
            'UID'                  => empty($this->username) ? '' : $this->username,
            'PWD'                  => empty($this->password) ? '' : $this->password,
            'Database'             => $this->database,
            'ConnectionPooling'    => $persistent ? 1 : 0,
            'CharacterSet'         => $charset,
            'Encrypt'              => $this->encrypt === true ? 1 : 0,
            'ReturnDatesAsStrings' => 1,
        ];

        // If the username and password are both empty, assume this is a
        // 'Windows Authentication Mode' connection.
        if (empty($connection['UID']) && empty($connection['PWD'])) {
            unset($connection['UID'], $connection['PWD']);
        }

        if (! str_contains($this->hostname, ',') && $this->port !== '') {
            $this->hostname .= ', ' . $this->port;
        }

        sqlsrv_configure('WarningsReturnAsErrors', 0);
        $this->connID = sqlsrv_connect($this->hostname, $connection);

        if ($this->connID !== false) {
            // Determine how identifiers are escaped
            $query = $this->query('SELECT CASE WHEN (@@OPTIONS | 256) = @@OPTIONS THEN 1 ELSE 0 END AS qi');
            $query = $query->getResultObject();

            $this->_quoted_identifier = empty($query) ? false : (bool) $query[0]->qi;
            $this->escapeChar         = ($this->_quoted_identifier) ? '"' : ['[', ']'];

            return $this->connID;
        }

        throw new DatabaseException($this->getAllErrorMessages());
    }

    /**
     * For exception message
     *
     * @internal
     */
    public function getAllErrorMessages(): string
    {
        $errors = [];

        foreach (sqlsrv_errors() as $error) {
            $errors[] = $error['message']
                . ' SQLSTATE: ' . $error['SQLSTATE'] . ', code: ' . $error['code'];
        }

        return implode("\n", $errors);
    }

    /**
     * Keep or establish the connection if no queries have been sent for
     * a length of time exceeding the server's idle timeout.
     *
     * @return void
     */
    public function reconnect()
    {
        $this->close();
        $this->initialize();
    }

    /**
     * Close the database connection.
     *
     * @return void
     */
    protected function _close()
    {
        sqlsrv_close($this->connID);
    }

    /**
     * Platform-dependant string escape
     */
    protected function _escapeString(string $str): string
    {
        return str_replace("'", "''", remove_invisible_characters($str, false));
    }

    /**
     * Insert ID
     */
    public function insertID(): int
    {
        return (int) ($this->query('SELECT SCOPE_IDENTITY() AS insert_id')->getRow()->insert_id ?? 0);
    }

    /**
     * Generates the SQL for listing tables in a platform-dependent manner.
     *
     * @param string|null $tableName If $tableName is provided will return only this table if exists.
     */
    protected function _listTables(bool $prefixLimit = false, ?string $tableName = null): string
    {
        $sql = 'SELECT [TABLE_NAME] AS "name"'
            . ' FROM [INFORMATION_SCHEMA].[TABLES] '
            . ' WHERE '
            . " [TABLE_SCHEMA] = '" . $this->schema . "'    ";

        if ($tableName !== null) {
            return $sql .= ' AND [TABLE_NAME] LIKE ' . $this->escape($tableName);
        }

        if ($prefixLimit && $this->DBPrefix !== '') {
            $sql .= " AND [TABLE_NAME] LIKE '" . $this->escapeLikeString($this->DBPrefix) . "%' "
                . sprintf($this->likeEscapeStr, $this->likeEscapeChar);
        }

        return $sql;
    }

    /**
     * Generates a platform-specific query string so that the column names can be fetched.
     *
     * @param string|TableName $table
     */
    protected function _listColumns($table = ''): string
    {
        if ($table instanceof TableName) {
            $tableName = $this->escape(strtolower($table->getActualTableName()));
        } else {
            $tableName = $this->escape($this->DBPrefix . strtolower($table));
        }

        return 'SELECT [COLUMN_NAME] '
            . ' FROM [INFORMATION_SCHEMA].[COLUMNS]'
            . ' WHERE  [TABLE_NAME] = ' . $tableName
            . ' AND [TABLE_SCHEMA] = ' . $this->escape($this->schema);
    }

    /**
     * Returns an array of objects with index data
     *
     * @return array<string, stdClass>
     *
     * @throws DatabaseException
     */
    protected function _indexData(string $table): array
    {
        $sql = 'EXEC sp_helpindex ' . $this->escape($this->schema . '.' . $table);

        if (($query = $this->query($sql)) === false) {
            throw new DatabaseException(lang('Database.failGetIndexData'));
        }
        $query = $query->getResultObject();

        $retVal = [];

        foreach ($query as $row) {
            $obj       = new stdClass();
            $obj->name = $row->index_name;

            $_fields     = explode(',', trim($row->index_keys));
            $obj->fields = array_map(static fn ($v): string => trim($v), $_fields);

            if (str_contains($row->index_description, 'primary key located on')) {
                $obj->type = 'PRIMARY';
            } else {
                $obj->type = (str_contains($row->index_description, 'nonclustered, unique')) ? 'UNIQUE' : 'INDEX';
            }

            $retVal[$obj->name] = $obj;
        }

        return $retVal;
    }

    /**
     * Returns an array of objects with Foreign key data
     * referenced_object_id  parent_object_id
     *
     * @return array<string, stdClass>
     *
     * @throws DatabaseException
     */
    protected function _foreignKeyData(string $table): array
    {
        $sql = 'SELECT
                f.name as constraint_name,
                OBJECT_NAME (f.parent_object_id) as table_name,
                COL_NAME(fc.parent_object_id,fc.parent_column_id) column_name,
                OBJECT_NAME(f.referenced_object_id) foreign_table_name,
                COL_NAME(fc.referenced_object_id,fc.referenced_column_id) foreign_column_name,
                rc.delete_rule,
                rc.update_rule,
                rc.match_option
                FROM
                sys.foreign_keys AS f
                INNER JOIN sys.foreign_key_columns AS fc ON f.OBJECT_ID = fc.constraint_object_id
                INNER JOIN sys.tables t ON t.OBJECT_ID = fc.referenced_object_id
                INNER JOIN INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS rc ON rc.CONSTRAINT_NAME = f.name
                WHERE OBJECT_NAME (f.parent_object_id) = ' . $this->escape($table);

        if (($query = $this->query($sql)) === false) {
            throw new DatabaseException(lang('Database.failGetForeignKeyData'));
        }

        $query   = $query->getResultObject();
        $indexes = [];

        foreach ($query as $row) {
            $indexes[$row->constraint_name]['constraint_name']       = $row->constraint_name;
            $indexes[$row->constraint_name]['table_name']            = $row->table_name;
            $indexes[$row->constraint_name]['column_name'][]         = $row->column_name;
            $indexes[$row->constraint_name]['foreign_table_name']    = $row->foreign_table_name;
            $indexes[$row->constraint_name]['foreign_column_name'][] = $row->foreign_column_name;
            $indexes[$row->constraint_name]['on_delete']             = $row->delete_rule;
            $indexes[$row->constraint_name]['on_update']             = $row->update_rule;
            $indexes[$row->constraint_name]['match']                 = $row->match_option;
        }

        return $this->foreignKeyDataToObjects($indexes);
    }

    /**
     * Disables foreign key checks temporarily.
     *
     * @return string
     */
    protected function _disableForeignKeyChecks()
    {
        return 'EXEC sp_MSforeachtable "ALTER TABLE ? NOCHECK CONSTRAINT ALL"';
    }

    /**
     * Enables foreign key checks temporarily.
     *
     * @return string
     */
    protected function _enableForeignKeyChecks()
    {
        return 'EXEC sp_MSforeachtable "ALTER TABLE ? WITH CHECK CHECK CONSTRAINT ALL"';
    }

    /**
     * Returns an array of objects with field data
     *
     * @return list<stdClass>
     *
     * @throws DatabaseException
     */
    protected function _fieldData(string $table): array
    {
        $sql = 'SELECT
                COLUMN_NAME, DATA_TYPE, CHARACTER_MAXIMUM_LENGTH, NUMERIC_PRECISION,
                COLUMN_DEFAULT, IS_NULLABLE
            FROM INFORMATION_SCHEMA.COLUMNS
            WHERE TABLE_NAME= ' . $this->escape(($table));

        if (($query = $this->query($sql)) === false) {
            throw new DatabaseException(lang('Database.failGetFieldData'));
        }

        $query  = $query->getResultObject();
        $retVal = [];

        for ($i = 0, $c = count($query); $i < $c; $i++) {
            $retVal[$i] = new stdClass();

            $retVal[$i]->name = $query[$i]->COLUMN_NAME;
            $retVal[$i]->type = $query[$i]->DATA_TYPE;

            $retVal[$i]->max_length = $query[$i]->CHARACTER_MAXIMUM_LENGTH > 0
                ? $query[$i]->CHARACTER_MAXIMUM_LENGTH
                : (
                    $query[$i]->CHARACTER_MAXIMUM_LENGTH === -1
                    ? 'max'
                    : $query[$i]->NUMERIC_PRECISION
                );

            $retVal[$i]->nullable = $query[$i]->IS_NULLABLE !== 'NO';
            $retVal[$i]->default  = $this->normalizeDefault($query[$i]->COLUMN_DEFAULT);
        }

        return $retVal;
    }

    /**
     * Normalizes SQL Server COLUMN_DEFAULT values.
     * Removes wrapping parentheses and handles basic conversions.
     */
    private function normalizeDefault(?string $default): ?string
    {
        if ($default === null) {
            return null;
        }

        $default = trim($default);

        // Remove outer parentheses (handles both single and double wrapping)
        while (preg_match('/^\((.*)\)$/', $default, $matches)) {
            $default = trim($matches[1]);
        }

        // Handle NULL literal
        if (strcasecmp($default, 'NULL') === 0) {
            return null;
        }

        // Handle string literals - remove quotes and unescape
        if (preg_match("/^'(.*)'$/s", $default, $matches)) {
            return str_replace("''", "'", $matches[1]);
        }

        return $default;
    }

    /**
     * Begin Transaction
     */
    protected function _transBegin(): bool
    {
        return sqlsrv_begin_transaction($this->connID);
    }

    /**
     * Commit Transaction
     */
    protected function _transCommit(): bool
    {
        return sqlsrv_commit($this->connID);
    }

    /**
     * Rollback Transaction
     */
    protected function _transRollback(): bool
    {
        return sqlsrv_rollback($this->connID);
    }

    /**
     * Returns the last error code and message.
     * Must return this format: ['code' => string|int, 'message' => string]
     * intval(code) === 0 means "no error".
     *
     * @return array<string, int|string>
     */
    public function error(): array
    {
        $error = [
            'code'    => '00000',
            'message' => '',
        ];

        $sqlsrvErrors = sqlsrv_errors(SQLSRV_ERR_ERRORS);

        if (! is_array($sqlsrvErrors)) {
            return $error;
        }

        $sqlsrvError = array_shift($sqlsrvErrors);
        if (isset($sqlsrvError['SQLSTATE'])) {
            $error['code'] = isset($sqlsrvError['code']) ? $sqlsrvError['SQLSTATE'] . '/' . $sqlsrvError['code'] : $sqlsrvError['SQLSTATE'];
        } elseif (isset($sqlsrvError['code'])) {
            $error['code'] = $sqlsrvError['code'];
        }

        if (isset($sqlsrvError['message'])) {
            $error['message'] = $sqlsrvError['message'];
        }

        return $error;
    }

    /**
     * Returns the total number of rows affected by this query.
     */
    public function affectedRows(): int
    {
        if ($this->resultID === false) {
            return 0;
        }

        return sqlsrv_rows_affected($this->resultID);
    }

    /**
     * Select a specific database table to use.
     *
     * @return bool
     */
    public function setDatabase(?string $databaseName = null)
    {
        if ($databaseName === null || $databaseName === '') {
            $databaseName = $this->database;
        }

        if (empty($this->connID)) {
            $this->initialize();
        }

        if ($this->execute('USE ' . $this->_escapeString($databaseName))) {
            $this->database  = $databaseName;
            $this->dataCache = [];

            return true;
        }

        return false;
    }

    /**
     * Executes the query against the database.
     *
     * @return false|resource
     */
    protected function execute(string $sql)
    {
        $stmt = ($this->scrollable === false || $this->isWriteType($sql)) ?
            sqlsrv_query($this->connID, $sql) :
            sqlsrv_query($this->connID, $sql, [], ['Scrollable' => $this->scrollable]);

        if ($stmt === false) {
            $error = $this->error();

            log_message('error', $error['message']);

            if ($this->DBDebug) {
                throw new DatabaseException($error['message']);
            }
        }

        return $stmt;
    }

    /**
     * Returns the last error encountered by this connection.
     *
     * @return array<string, int|string>
     *
     * @deprecated Use `error()` instead.
     */
    public function getError()
    {
        $error = [
            'code'    => '00000',
            'message' => '',
        ];

        $sqlsrvErrors = sqlsrv_errors(SQLSRV_ERR_ERRORS);

        if (! is_array($sqlsrvErrors)) {
            return $error;
        }

        $sqlsrvError = array_shift($sqlsrvErrors);
        if (isset($sqlsrvError['SQLSTATE'])) {
            $error['code'] = isset($sqlsrvError['code']) ? $sqlsrvError['SQLSTATE'] . '/' . $sqlsrvError['code'] : $sqlsrvError['SQLSTATE'];
        } elseif (isset($sqlsrvError['code'])) {
            $error['code'] = $sqlsrvError['code'];
        }

        if (isset($sqlsrvError['message'])) {
            $error['message'] = $sqlsrvError['message'];
        }

        return $error;
    }

    /**
     * The name of the platform in use (MySQLi, mssql, etc)
     */
    public function getPlatform(): string
    {
        return $this->DBDriver;
    }

    /**
     * Returns a string containing the version of the database being used.
     */
    public function getVersion(): string
    {
        $info = [];
        if (isset($this->dataCache['version'])) {
            return $this->dataCache['version'];
        }

        if (! $this->connID) {
            $this->initialize();
        }

        if (($info = sqlsrv_server_info($this->connID)) === []) {
            return '';
        }

        return isset($info['SQLServerVersion']) ? $this->dataCache['version'] = $info['SQLServerVersion'] : '';
    }

    /**
     * Determines if a query is a "write" type.
     *
     * Overrides BaseConnection::isWriteType, adding additional read query types.
     *
     * @param string $sql
     */
    public function isWriteType($sql): bool
    {
        if (preg_match('/^\s*"?(EXEC\s*sp_rename)\s/i', $sql)) {
            return true;
        }

        return parent::isWriteType($sql);
    }
}

1	<?php
2
3	declare(strict_types=1);
4
5	/**
6	* This file is part of CodeIgniter 4 framework.
7	*
8	* (c) CodeIgniter Foundation <admin@codeigniter.com>
9	*
10	* For the full copyright and license information, please view
11	* the LICENSE file that was distributed with this source code.
12	*/
13
14	namespace CodeIgniter\Database\SQLSRV;
15
16	use CodeIgniter\Database\BaseConnection;
17	use CodeIgniter\Database\Exceptions\DatabaseException;
18	use CodeIgniter\Database\TableName;
19	use stdClass;
20
21	/**
22	* Connection for SQLSRV
23	*
24	* @extends BaseConnection<resource, resource>
25	*/
26	class Connection extends BaseConnection
27	{
28	/**
29	* Database driver
30	*
31	* @var string
32	*/
33	public $DBDriver = 'SQLSRV';
34
35	/**
36	* Database name
37	*
38	* @var string
39	*/
40	public $database;
41
42	/**
43	* Scrollable flag
44	*
45	* Determines what cursor type to use when executing queries.
46	*
47	* FALSE or SQLSRV_CURSOR_FORWARD would increase performance,
48	* but would disable num_rows() (and possibly insert_id())
49	*
50	* @var false\|string
51	*/
52	public $scrollable;
53
54	/**
55	* Identifier escape character
56	*
57	* @var string
58	*/
59	public $escapeChar = '"';
60
61	/**
62	* Database schema
63	*
64	* @var string
65	*/
66	public $schema = 'dbo';
67
68	/**
69	* Quoted identifier flag
70	*
71	* Whether to use SQL-92 standard quoted identifier
72	* (double quotes) or brackets for identifier escaping.
73	*
74	* @var bool
75	*/
76	protected $_quoted_identifier = true;
77
78	/**
79	* List of reserved identifiers
80	*
81	* Identifiers that must NOT be escaped.
82	*
83	* @var list<string>
84	*/
85	protected $_reserved_identifiers = ['*'];
86
87	/**
88	* Class constructor
89	*/
90	public function __construct(array $params)
91	{
92	parent::__construct($params);	25✔
93
94	// This is only supported as of SQLSRV 3.0
95	if ($this->scrollable === null) {	25✔
96	$this->scrollable = defined('SQLSRV_CURSOR_CLIENT_BUFFERED') ? SQLSRV_CURSOR_CLIENT_BUFFERED : false;	25✔
97	}
98	}
99
100	/**
101	* Connect to the database.
102	*
103	* @return false\|resource
104	*
105	* @throws DatabaseException
106	*/
107	public function connect(bool $persistent = false)
108	{
109	$charset = in_array(strtolower($this->charset), ['utf-8', 'utf8'], true) ? 'UTF-8' : SQLSRV_ENC_CHAR;	23✔
110
111	$connection = [	23✔
112	'UID' => empty($this->username) ? '' : $this->username,	23✔
113	'PWD' => empty($this->password) ? '' : $this->password,	23✔
114	'Database' => $this->database,	23✔
115	'ConnectionPooling' => $persistent ? 1 : 0,	23✔
116	'CharacterSet' => $charset,	23✔
117	'Encrypt' => $this->encrypt === true ? 1 : 0,	23✔
118	'ReturnDatesAsStrings' => 1,	23✔
119	];	23✔
120
121	// If the username and password are both empty, assume this is a
122	// 'Windows Authentication Mode' connection.
123	if (empty($connection['UID']) && empty($connection['PWD'])) {	23✔
124	unset($connection['UID'], $connection['PWD']);	×
125	}
126
127	if (! str_contains($this->hostname, ',') && $this->port !== '') {	23✔
128	$this->hostname .= ', ' . $this->port;	22✔
129	}
130
131	sqlsrv_configure('WarningsReturnAsErrors', 0);	23✔
132	$this->connID = sqlsrv_connect($this->hostname, $connection);	23✔
133
134	if ($this->connID !== false) {	23✔
135	// Determine how identifiers are escaped
136	$query = $this->query('SELECT CASE WHEN (@@OPTIONS \| 256) = @@OPTIONS THEN 1 ELSE 0 END AS qi');	23✔
137	$query = $query->getResultObject();	22✔
138
139	$this->_quoted_identifier = empty($query) ? false : (bool) $query[0]->qi;	22✔
140	$this->escapeChar = ($this->_quoted_identifier) ? '"' : ['[', ']'];	22✔
141
142	return $this->connID;	22✔
143	}
144
145	throw new DatabaseException($this->getAllErrorMessages());	1✔
146	}
147
148	/**
149	* For exception message
150	*
151	* @internal
152	*/
153	public function getAllErrorMessages(): string
154	{
155	$errors = [];	2✔
156
157	foreach (sqlsrv_errors() as $error) {	2✔
158	$errors[] = $error['message']	2✔
159	. ' SQLSTATE: ' . $error['SQLSTATE'] . ', code: ' . $error['code'];	2✔
160	}
161
162	return implode("\n", $errors);	2✔
163	}
164
165	/**
166	* Keep or establish the connection if no queries have been sent for
167	* a length of time exceeding the server's idle timeout.
168	*
169	* @return void
170	*/
171	public function reconnect()
172	{
173	$this->close();	×
174	$this->initialize();	×
175	}
176
177	/**
178	* Close the database connection.
179	*
180	* @return void
181	*/
182	protected function _close()
183	{
184	sqlsrv_close($this->connID);	1✔
185	}
186
187	/**
188	* Platform-dependant string escape
189	*/
190	protected function _escapeString(string $str): string
191	{
192	return str_replace("'", "''", remove_invisible_characters($str, false));	653✔
193	}
194
195	/**
196	* Insert ID
197	*/
198	public function insertID(): int
199	{
200	return (int) ($this->query('SELECT SCOPE_IDENTITY() AS insert_id')->getRow()->insert_id ?? 0);	83✔
201	}
202
203	/**
204	* Generates the SQL for listing tables in a platform-dependent manner.
205	*
206	* @param string\|null $tableName If $tableName is provided will return only this table if exists.
207	*/
208	protected function _listTables(bool $prefixLimit = false, ?string $tableName = null): string
209	{
210	$sql = 'SELECT [TABLE_NAME] AS "name"'	597✔
211	. ' FROM [INFORMATION_SCHEMA].[TABLES] '	597✔
212	. ' WHERE '	597✔
213	. " [TABLE_SCHEMA] = '" . $this->schema . "' ";	597✔
214
215	if ($tableName !== null) {	597✔
216	return $sql .= ' AND [TABLE_NAME] LIKE ' . $this->escape($tableName);	596✔
217	}
218
219	if ($prefixLimit && $this->DBPrefix !== '') {	32✔
220	$sql .= " AND [TABLE_NAME] LIKE '" . $this->escapeLikeString($this->DBPrefix) . "%' "	×
221	. sprintf($this->likeEscapeStr, $this->likeEscapeChar);	×
222	}
223
224	return $sql;	32✔
225	}
226
227	/**
228	* Generates a platform-specific query string so that the column names can be fetched.
229	*
230	* @param string\|TableName $table
231	*/
232	protected function _listColumns($table = ''): string
233	{
234	if ($table instanceof TableName) {	8✔
235	$tableName = $this->escape(strtolower($table->getActualTableName()));	2✔
236	} else {
237	$tableName = $this->escape($this->DBPrefix . strtolower($table));	6✔
238	}
239
240	return 'SELECT [COLUMN_NAME] '	8✔
241	. ' FROM [INFORMATION_SCHEMA].[COLUMNS]'	8✔
242	. ' WHERE [TABLE_NAME] = ' . $tableName	8✔
243	. ' AND [TABLE_SCHEMA] = ' . $this->escape($this->schema);	8✔
244	}
245
246	/**
247	* Returns an array of objects with index data
248	*
249	* @return array<string, stdClass>
250	*
251	* @throws DatabaseException
252	*/
253	protected function _indexData(string $table): array
254	{
255	$sql = 'EXEC sp_helpindex ' . $this->escape($this->schema . '.' . $table);	41✔
256
257	if (($query = $this->query($sql)) === false) {	41✔
258	throw new DatabaseException(lang('Database.failGetIndexData'));	×
259	}
260	$query = $query->getResultObject();	41✔
261
262	$retVal = [];	41✔
263
264	foreach ($query as $row) {	41✔
265	$obj = new stdClass();	28✔
266	$obj->name = $row->index_name;	28✔
267
268	$_fields = explode(',', trim($row->index_keys));	28✔
269	$obj->fields = array_map(static fn ($v): string => trim($v), $_fields);	28✔
270
271	if (str_contains($row->index_description, 'primary key located on')) {	28✔
272	$obj->type = 'PRIMARY';	25✔
273	} else {
274	$obj->type = (str_contains($row->index_description, 'nonclustered, unique')) ? 'UNIQUE' : 'INDEX';	18✔
275	}
276
277	$retVal[$obj->name] = $obj;	28✔
278	}
279
280	return $retVal;	41✔
281	}
282
283	/**
284	* Returns an array of objects with Foreign key data
285	* referenced_object_id parent_object_id
286	*
287	* @return array<string, stdClass>
288	*
289	* @throws DatabaseException
290	*/
291	protected function _foreignKeyData(string $table): array
292	{
293	$sql = 'SELECT	5✔
294	f.name as constraint_name,
295	OBJECT_NAME (f.parent_object_id) as table_name,
296	COL_NAME(fc.parent_object_id,fc.parent_column_id) column_name,
297	OBJECT_NAME(f.referenced_object_id) foreign_table_name,
298	COL_NAME(fc.referenced_object_id,fc.referenced_column_id) foreign_column_name,
299	rc.delete_rule,
300	rc.update_rule,
301	rc.match_option
302	FROM
303	sys.foreign_keys AS f
304	INNER JOIN sys.foreign_key_columns AS fc ON f.OBJECT_ID = fc.constraint_object_id
305	INNER JOIN sys.tables t ON t.OBJECT_ID = fc.referenced_object_id
306	INNER JOIN INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS rc ON rc.CONSTRAINT_NAME = f.name
307	WHERE OBJECT_NAME (f.parent_object_id) = ' . $this->escape($table);	5✔
308
309	if (($query = $this->query($sql)) === false) {	5✔
310	throw new DatabaseException(lang('Database.failGetForeignKeyData'));	×
311	}
312
313	$query = $query->getResultObject();	5✔
314	$indexes = [];	5✔
315
316	foreach ($query as $row) {	5✔
317	$indexes[$row->constraint_name]['constraint_name'] = $row->constraint_name;	4✔
318	$indexes[$row->constraint_name]['table_name'] = $row->table_name;	4✔
319	$indexes[$row->constraint_name]['column_name'][] = $row->column_name;	4✔
320	$indexes[$row->constraint_name]['foreign_table_name'] = $row->foreign_table_name;	4✔
321	$indexes[$row->constraint_name]['foreign_column_name'][] = $row->foreign_column_name;	4✔
322	$indexes[$row->constraint_name]['on_delete'] = $row->delete_rule;	4✔
323	$indexes[$row->constraint_name]['on_update'] = $row->update_rule;	4✔
324	$indexes[$row->constraint_name]['match'] = $row->match_option;	4✔
325	}
326
327	return $this->foreignKeyDataToObjects($indexes);	5✔
328	}
329
330	/**
331	* Disables foreign key checks temporarily.
332	*
333	* @return string
334	*/
335	protected function _disableForeignKeyChecks()
336	{
337	return 'EXEC sp_MSforeachtable "ALTER TABLE ? NOCHECK CONSTRAINT ALL"';	602✔
338	}
339
340	/**
341	* Enables foreign key checks temporarily.
342	*
343	* @return string
344	*/
345	protected function _enableForeignKeyChecks()
346	{
347	return 'EXEC sp_MSforeachtable "ALTER TABLE ? WITH CHECK CHECK CONSTRAINT ALL"';	602✔
348	}
349
350	/**
351	* Returns an array of objects with field data
352	*
353	* @return list<stdClass>
354	*
355	* @throws DatabaseException
356	*/
357	protected function _fieldData(string $table): array
358	{
359	$sql = 'SELECT	13✔
360	COLUMN_NAME, DATA_TYPE, CHARACTER_MAXIMUM_LENGTH, NUMERIC_PRECISION,
361	COLUMN_DEFAULT, IS_NULLABLE
362	FROM INFORMATION_SCHEMA.COLUMNS
363	WHERE TABLE_NAME= ' . $this->escape(($table));	13✔
364
365	if (($query = $this->query($sql)) === false) {	13✔
366	throw new DatabaseException(lang('Database.failGetFieldData'));	×
367	}
368
369	$query = $query->getResultObject();	13✔
370	$retVal = [];	13✔
371
372	for ($i = 0, $c = count($query); $i < $c; $i++) {	13✔
373	$retVal[$i] = new stdClass();	13✔
374
375	$retVal[$i]->name = $query[$i]->COLUMN_NAME;	13✔
376	$retVal[$i]->type = $query[$i]->DATA_TYPE;	13✔
377
378	$retVal[$i]->max_length = $query[$i]->CHARACTER_MAXIMUM_LENGTH > 0	13✔
379	? $query[$i]->CHARACTER_MAXIMUM_LENGTH	11✔
380	: (	13✔
381	$query[$i]->CHARACTER_MAXIMUM_LENGTH === -1	10✔
382	? 'max'	1✔
383	: $query[$i]->NUMERIC_PRECISION	10✔
384	);	13✔
385
386	$retVal[$i]->nullable = $query[$i]->IS_NULLABLE !== 'NO';	13✔
387	$retVal[$i]->default = $this->normalizeDefault($query[$i]->COLUMN_DEFAULT);	13✔
388	}
389
390	return $retVal;	13✔
391	}
392
393	/**
394	* Normalizes SQL Server COLUMN_DEFAULT values.
395	* Removes wrapping parentheses and handles basic conversions.
396	*/
397	private function normalizeDefault(?string $default): ?string
398	{
399	if ($default === null) {	13✔
400	return null;	12✔
401	}
402
403	$default = trim($default);	2✔
404
405	// Remove outer parentheses (handles both single and double wrapping)
406	while (preg_match('/^\((.*)\)$/', $default, $matches)) {	2✔
407	$default = trim($matches[1]);	2✔
408	}
409
410	// Handle NULL literal
411	if (strcasecmp($default, 'NULL') === 0) {	2✔
NEW 412	return null;	×
413	}
414
415	// Handle string literals - remove quotes and unescape
416	if (preg_match("/^'(.*)'$/s", $default, $matches)) {	2✔
NEW 417	return str_replace("''", "'", $matches[1]);	×
418	}
419
420	return $default;	2✔
421	}
422
423	/**
424	* Begin Transaction
425	*/
426	protected function _transBegin(): bool
427	{
428	return sqlsrv_begin_transaction($this->connID);	18✔
429	}
430
431	/**
432	* Commit Transaction
433	*/
434	protected function _transCommit(): bool
435	{
436	return sqlsrv_commit($this->connID);	5✔
437	}
438
439	/**
440	* Rollback Transaction
441	*/
442	protected function _transRollback(): bool
443	{
444	return sqlsrv_rollback($this->connID);	18✔
445	}
446
447	/**
448	* Returns the last error code and message.
449	* Must return this format: ['code' => string\|int, 'message' => string]
450	* intval(code) === 0 means "no error".
451	*
452	* @return array<string, int\|string>
453	*/
454	public function error(): array
455	{
456	$error = [	34✔
457	'code' => '00000',	34✔
458	'message' => '',	34✔
459	];	34✔
460
461	$sqlsrvErrors = sqlsrv_errors(SQLSRV_ERR_ERRORS);	34✔
462
463	if (! is_array($sqlsrvErrors)) {	34✔
464	return $error;	2✔
465	}
466
467	$sqlsrvError = array_shift($sqlsrvErrors);	32✔
468	if (isset($sqlsrvError['SQLSTATE'])) {	32✔
469	$error['code'] = isset($sqlsrvError['code']) ? $sqlsrvError['SQLSTATE'] . '/' . $sqlsrvError['code'] : $sqlsrvError['SQLSTATE'];	32✔
470	} elseif (isset($sqlsrvError['code'])) {	×
471	$error['code'] = $sqlsrvError['code'];	×
472	}
473
474	if (isset($sqlsrvError['message'])) {	32✔
475	$error['message'] = $sqlsrvError['message'];	32✔
476	}
477
478	return $error;	32✔
479	}
480
481	/**
482	* Returns the total number of rows affected by this query.
483	*/
484	public function affectedRows(): int
485	{
486	if ($this->resultID === false) {	48✔
487	return 0;	1✔
488	}
489
490	return sqlsrv_rows_affected($this->resultID);	47✔
491	}
492
493	/**
494	* Select a specific database table to use.
495	*
496	* @return bool
497	*/
498	public function setDatabase(?string $databaseName = null)
499	{
500	if ($databaseName === null \|\| $databaseName === '') {	×
501	$databaseName = $this->database;	×
502	}
503
504	if (empty($this->connID)) {	×
505	$this->initialize();	×
506	}
507
508	if ($this->execute('USE ' . $this->_escapeString($databaseName))) {	×
509	$this->database = $databaseName;	×
510	$this->dataCache = [];	×
511
512	return true;	×
513	}
514
515	return false;	×
516	}
517
518	/**
519	* Executes the query against the database.
520	*
521	* @return false\|resource
522	*/
523	protected function execute(string $sql)
524	{
525	$stmt = ($this->scrollable === false \|\| $this->isWriteType($sql)) ?	679✔
526	sqlsrv_query($this->connID, $sql) :	647✔
527	sqlsrv_query($this->connID, $sql, [], ['Scrollable' => $this->scrollable]);	678✔
528
529	if ($stmt === false) {	679✔
530	$error = $this->error();	32✔
531
532	log_message('error', $error['message']);	32✔
533
534	if ($this->DBDebug) {	32✔
535	throw new DatabaseException($error['message']);	15✔
536	}
537	}
538
539	return $stmt;	679✔
540	}
541
542	/**
543	* Returns the last error encountered by this connection.
544	*
545	* @return array<string, int\|string>
546	*
547	* @deprecated Use `error()` instead.
548	*/
549	public function getError()
550	{
551	$error = [	×
552	'code' => '00000',	×
553	'message' => '',	×
554	];	×
555
556	$sqlsrvErrors = sqlsrv_errors(SQLSRV_ERR_ERRORS);	×
557
558	if (! is_array($sqlsrvErrors)) {	×
559	return $error;	×
560	}
561
562	$sqlsrvError = array_shift($sqlsrvErrors);	×
563	if (isset($sqlsrvError['SQLSTATE'])) {	×
564	$error['code'] = isset($sqlsrvError['code']) ? $sqlsrvError['SQLSTATE'] . '/' . $sqlsrvError['code'] : $sqlsrvError['SQLSTATE'];	×
565	} elseif (isset($sqlsrvError['code'])) {	×
566	$error['code'] = $sqlsrvError['code'];	×
567	}
568
569	if (isset($sqlsrvError['message'])) {	×
570	$error['message'] = $sqlsrvError['message'];	×
571	}
572
573	return $error;	×
574	}
575
576	/**
577	* The name of the platform in use (MySQLi, mssql, etc)
578	*/
579	public function getPlatform(): string
580	{
581	return $this->DBDriver;	10✔
582	}
583
584	/**
585	* Returns a string containing the version of the database being used.
586	*/
587	public function getVersion(): string
588	{
589	$info = [];	3✔
590	if (isset($this->dataCache['version'])) {	3✔
591	return $this->dataCache['version'];	2✔
592	}
593
594	if (! $this->connID) {	1✔
595	$this->initialize();	1✔
596	}
597
598	if (($info = sqlsrv_server_info($this->connID)) === []) {	1✔
599	return '';	×
600	}
601
602	return isset($info['SQLServerVersion']) ? $this->dataCache['version'] = $info['SQLServerVersion'] : '';	1✔
603	}
604
605	/**
606	* Determines if a query is a "write" type.
607	*
608	* Overrides BaseConnection::isWriteType, adding additional read query types.
609	*
610	* @param string $sql
611	*/
612	public function isWriteType($sql): bool
613	{
614	if (preg_match('/^\s"?(EXEC\ssp_rename)\s/i', $sql)) {	679✔
615	return true;	3✔
616	}
617
618	return parent::isWriteType($sql);	679✔
619	}
620	}

codeigniter4 / CodeIgniter4 / 17023055417

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