1: <?php
2:
3: 4: 5: 6:
7:
8: namespace Nette\Database\Drivers;
9:
10: use Nette;
11:
12:
13: 14: 15: 16: 17:
18: class MySqlDriver extends Nette\Object implements Nette\Database\ISupplementalDriver
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, array(1216, 1217, 1451, 1452, 1701), TRUE)) {
55: return Nette\Database\ForeignKeyConstraintViolationException::from($e);
56:
57: } elseif (in_array($code, array(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($code, array(1048, 1121, 1138, 1171, 1252, 1263, 1566), TRUE)) {
64: return Nette\Database\NotNullConstraintViolationException::from($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:
129: $sql .= ' LIMIT ' . ($limit < 0 ? '18446744073709551615' : (int) $limit)
130: . ($offset > 0 ? ' OFFSET ' . (int) $offset : '');
131: }
132: }
133:
134:
135: 136: 137:
138: public function normalizeRow($row)
139: {
140: return $row;
141: }
142:
143:
144:
145:
146:
147: 148: 149:
150: public function getTables()
151: {
152: $tables = array();
153: foreach ($this->connection->query('SHOW FULL TABLES') as $row) {
154: $tables[] = array(
155: 'name' => $row[0],
156: 'view' => isset($row[1]) && $row[1] === 'VIEW',
157: );
158: }
159: return $tables;
160: }
161:
162:
163: 164: 165:
166: public function getColumns($table)
167: {
168: $columns = array();
169: foreach ($this->connection->query('SHOW FULL COLUMNS FROM ' . $this->delimite($table)) as $row) {
170: $type = explode('(', $row['Type']);
171: $columns[] = array(
172: 'name' => $row['Field'],
173: 'table' => $table,
174: 'nativetype' => strtoupper($type[0]),
175: 'size' => isset($type[1]) ? (int) $type[1] : NULL,
176: 'unsigned' => (bool) strstr($row['Type'], 'unsigned'),
177: 'nullable' => $row['Null'] === 'YES',
178: 'default' => $row['Default'],
179: 'autoincrement' => $row['Extra'] === 'auto_increment',
180: 'primary' => $row['Key'] === 'PRI',
181: 'vendor' => (array) $row,
182: );
183: }
184: return $columns;
185: }
186:
187:
188: 189: 190:
191: public function getIndexes($table)
192: {
193: $indexes = array();
194: foreach ($this->connection->query('SHOW INDEX FROM ' . $this->delimite($table)) as $row) {
195: $indexes[$row['Key_name']]['name'] = $row['Key_name'];
196: $indexes[$row['Key_name']]['unique'] = !$row['Non_unique'];
197: $indexes[$row['Key_name']]['primary'] = $row['Key_name'] === 'PRIMARY';
198: $indexes[$row['Key_name']]['columns'][$row['Seq_in_index'] - 1] = $row['Column_name'];
199: }
200: return array_values($indexes);
201: }
202:
203:
204: 205: 206:
207: public function getForeignKeys($table)
208: {
209: $keys = array();
210: $query = 'SELECT CONSTRAINT_NAME, COLUMN_NAME, REFERENCED_TABLE_NAME, REFERENCED_COLUMN_NAME FROM information_schema.KEY_COLUMN_USAGE '
211: . 'WHERE TABLE_SCHEMA = DATABASE() AND REFERENCED_TABLE_NAME IS NOT NULL AND TABLE_NAME = ' . $this->connection->quote($table);
212:
213: foreach ($this->connection->query($query) as $id => $row) {
214: $keys[$id]['name'] = $row['CONSTRAINT_NAME'];
215: $keys[$id]['local'] = $row['COLUMN_NAME'];
216: $keys[$id]['table'] = $row['REFERENCED_TABLE_NAME'];
217: $keys[$id]['foreign'] = $row['REFERENCED_COLUMN_NAME'];
218: }
219:
220: return array_values($keys);
221: }
222:
223:
224: 225: 226:
227: public function getColumnTypes(\PDOStatement $statement)
228: {
229: $types = array();
230: $count = $statement->columnCount();
231: for ($col = 0; $col < $count; $col++) {
232: $meta = $statement->getColumnMeta($col);
233: if (isset($meta['native_type'])) {
234: $types[$meta['name']] = $type = Nette\Database\Helpers::detectType($meta['native_type']);
235: if ($type === Nette\Database\IStructure::FIELD_TIME) {
236: $types[$meta['name']] = Nette\Database\IStructure::FIELD_TIME_INTERVAL;
237: }
238: }
239: }
240: return $types;
241: }
242:
243:
244: 245: 246: 247:
248: public function isSupported($item)
249: {
250:
251:
252:
253:
254: return $item === self::SUPPORT_SELECT_UNGROUPED_COLUMNS || $item === self::SUPPORT_MULTI_COLUMN_AS_OR_COND;
255: }
256:
257: }
258: