1: <?php
2:
3: 4: 5: 6:
7:
8: namespace Nette\Database\Drivers;
9:
10: use Nette;
11:
12:
13: 14: 15:
16: class MySqlDriver implements Nette\Database\ISupplementalDriver
17: {
18: use Nette\SmartObject;
19:
20: const ERROR_ACCESS_DENIED = 1045;
21: const ERROR_DUPLICATE_ENTRY = 1062;
22: const ERROR_DATA_TRUNCATED = 1265;
23:
24:
25: private $connection;
26:
27:
28: 29: 30: 31: 32:
33: public function __construct(Nette\Database\Connection $connection, array $options)
34: {
35: $this->connection = $connection;
36: $charset = isset($options['charset'])
37: ? $options['charset']
38: : (version_compare($connection->getPdo()->getAttribute(\PDO::ATTR_SERVER_VERSION), '5.5.3', '>=') ? 'utf8mb4' : 'utf8');
39: if ($charset) {
40: $connection->query("SET NAMES '$charset'");
41: }
42: if (isset($options['sqlmode'])) {
43: $connection->query("SET sql_mode='$options[sqlmode]'");
44: }
45: }
46:
47:
48: 49: 50:
51: public function convertException(\PDOException $e)
52: {
53: $code = isset($e->errorInfo[1]) ? $e->errorInfo[1] : NULL;
54: if (in_array($code, [1216, 1217, 1451, 1452, 1701], TRUE)) {
55: return Nette\Database\ForeignKeyConstraintViolationException::from($e);
56:
57: } elseif (in_array($code, [1062, 1557, 1569, 1586], TRUE)) {
58: return Nette\Database\UniqueConstraintViolationException::from($e);
59:
60: } elseif ($code >= 2001 && $code <= 2028) {
61: return Nette\Database\ConnectionException::from($e);
62:
63: } elseif (in_array($code, [1048, 1121, 1138, 1171, 1252, 1263, 1566], TRUE)) {
64: return Nette\Database\NotNullConstraintViolationException::from($e);
65:
66: } else {
67: return Nette\Database\DriverException::from($e);
68: }
69: }
70:
71:
72:
73:
74:
75: 76: 77:
78: public function delimite($name)
79: {
80:
81: return '`' . str_replace('`', '``', $name) . '`';
82: }
83:
84:
85: 86: 87:
88: public function formatBool($value)
89: {
90: return $value ? '1' : '0';
91: }
92:
93:
94: 95: 96:
97: public function formatDateTime( $value)
98: {
99: return $value->format("'Y-m-d H:i:s'");
100: }
101:
102:
103: 104: 105:
106: public function formatDateInterval(\DateInterval $value)
107: {
108: return $value->format("'%r%h:%I:%S'");
109: }
110:
111:
112: 113: 114:
115: public function formatLike($value, $pos)
116: {
117: $value = addcslashes(str_replace('\\', '\\\\', $value), "\x00\n\r\\'%_");
118: return ($pos <= 0 ? "'%" : "'") . $value . ($pos >= 0 ? "%'" : "'");
119: }
120:
121:
122: 123: 124:
125: public function applyLimit(& $sql, $limit, $offset)
126: {
127: if ($limit < 0 || $offset < 0) {
128: throw new Nette\InvalidArgumentException('Negative offset or limit.');
129:
130: } elseif ($limit !== NULL || $offset) {
131:
132: $sql .= ' LIMIT ' . ($limit === NULL ? '18446744073709551615' : (int) $limit)
133: . ($offset ? ' OFFSET ' . (int) $offset : '');
134: }
135: }
136:
137:
138: 139: 140:
141: public function normalizeRow($row)
142: {
143: return $row;
144: }
145:
146:
147:
148:
149:
150: 151: 152:
153: public function getTables()
154: {
155: $tables = [];
156: foreach ($this->connection->query('SHOW FULL TABLES') as $row) {
157: $tables[] = [
158: 'name' => $row[0],
159: 'view' => isset($row[1]) && $row[1] === 'VIEW',
160: ];
161: }
162: return $tables;
163: }
164:
165:
166: 167: 168:
169: public function getColumns($table)
170: {
171: $columns = [];
172: foreach ($this->connection->query('SHOW FULL COLUMNS FROM ' . $this->delimite($table)) as $row) {
173: $type = explode('(', $row['Type']);
174: $columns[] = [
175: 'name' => $row['Field'],
176: 'table' => $table,
177: 'nativetype' => strtoupper($type[0]),
178: 'size' => isset($type[1]) ? (int) $type[1] : NULL,
179: 'unsigned' => (bool) strstr($row['Type'], 'unsigned'),
180: 'nullable' => $row['Null'] === 'YES',
181: 'default' => $row['Default'],
182: 'autoincrement' => $row['Extra'] === 'auto_increment',
183: 'primary' => $row['Key'] === 'PRI',
184: 'vendor' => (array) $row,
185: ];
186: }
187: return $columns;
188: }
189:
190:
191: 192: 193:
194: public function getIndexes($table)
195: {
196: $indexes = [];
197: foreach ($this->connection->query('SHOW INDEX FROM ' . $this->delimite($table)) as $row) {
198: $indexes[$row['Key_name']]['name'] = $row['Key_name'];
199: $indexes[$row['Key_name']]['unique'] = !$row['Non_unique'];
200: $indexes[$row['Key_name']]['primary'] = $row['Key_name'] === 'PRIMARY';
201: $indexes[$row['Key_name']]['columns'][$row['Seq_in_index'] - 1] = $row['Column_name'];
202: }
203: return array_values($indexes);
204: }
205:
206:
207: 208: 209:
210: public function getForeignKeys($table)
211: {
212: $keys = [];
213: $query = 'SELECT CONSTRAINT_NAME, COLUMN_NAME, REFERENCED_TABLE_NAME, REFERENCED_COLUMN_NAME FROM information_schema.KEY_COLUMN_USAGE '
214: . 'WHERE TABLE_SCHEMA = DATABASE() AND REFERENCED_TABLE_NAME IS NOT NULL AND TABLE_NAME = ' . $this->connection->quote($table);
215:
216: foreach ($this->connection->query($query) as $id => $row) {
217: $keys[$id]['name'] = $row['CONSTRAINT_NAME'];
218: $keys[$id]['local'] = $row['COLUMN_NAME'];
219: $keys[$id]['table'] = $row['REFERENCED_TABLE_NAME'];
220: $keys[$id]['foreign'] = $row['REFERENCED_COLUMN_NAME'];
221: }
222:
223: return array_values($keys);
224: }
225:
226:
227: 228: 229:
230: public function getColumnTypes(\PDOStatement $statement)
231: {
232: $types = [];
233: $count = $statement->columnCount();
234: for ($col = 0; $col < $count; $col++) {
235: $meta = $statement->getColumnMeta($col);
236: if (isset($meta['native_type'])) {
237: $types[$meta['name']] = $type = Nette\Database\Helpers::detectType($meta['native_type']);
238: if ($type === Nette\Database\IStructure::FIELD_TIME) {
239: $types[$meta['name']] = Nette\Database\IStructure::FIELD_TIME_INTERVAL;
240: }
241: }
242: }
243: return $types;
244: }
245:
246:
247: 248: 249: 250:
251: public function isSupported($item)
252: {
253:
254:
255:
256:
257: return $item === self::SUPPORT_SELECT_UNGROUPED_COLUMNS || $item === self::SUPPORT_MULTI_COLUMN_AS_OR_COND;
258: }
259:
260: }
261: