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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 27 | PointedEar | 1 | <?php |
| 2 | |||
| 29 | PointedEar | 3 | require_once __DIR__ . '/../global.inc'; |
| 27 | PointedEar | 4 | |
| 29 | PointedEar | 5 | require_once __DIR__ . '/../AbstractModel.php'; |
| 27 | PointedEar | 6 | |
| 7 | /** |
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| 8 | * Generic database model class using PDO (PHP Data Objects) |
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| 9 | * |
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| 10 | * @property-read array $lastError |
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| 11 | * Last error information of the database operation. |
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| 12 | * See {@link PDOStatement::errorInfo()}. |
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| 13 | * @property-read string $lastInsertId |
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| 14 | * ID of the last inserted row, or the last value from a sequence object, |
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| 15 | * depending on the underlying driver. May not be supported by all databases. |
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| 16 | * @property-read array $lastResult |
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| 17 | * Last result of the database operation |
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| 18 | * @property-read boolean $lastSuccess |
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| 19 | * Last success value of the database operation |
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| 20 | * @author Thomas Lahn |
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| 21 | */ |
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| 22 | class Database extends AbstractModel |
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| 23 | { |
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| 32 | PointedEar | 24 | /* Access properties */ |
| 25 | |||
| 27 | PointedEar | 26 | /** |
| 27 | * DSN of the database |
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| 28 | * @var string |
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| 29 | */ |
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| 30 | protected $_dsn = ''; |
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| 31 | |||
| 32 | /** |
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| 33 | * Username to access the database |
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| 34 | * @var string |
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| 35 | */ |
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| 36 | protected $_username; |
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| 37 | |||
| 38 | /** |
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| 39 | * Password to access the database |
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| 40 | * @var string |
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| 41 | */ |
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| 42 | protected $_password; |
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| 43 | |||
| 44 | /** |
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| 45 | * PDO driver-specific options |
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| 46 | * @var array |
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| 47 | */ |
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| 48 | protected $_options = array(); |
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| 32 | PointedEar | 49 | |
| 50 | /** |
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| 51 | * Database-specific string to use for quoting a name or value |
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| 52 | * left-hand side (for security reasons and to prevent a name |
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| 53 | * from being parsed as a keyword). |
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| 54 | * @var string |
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| 55 | */ |
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| 56 | protected $_leftQuote = ''; |
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| 27 | PointedEar | 57 | |
| 58 | /** |
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| 32 | PointedEar | 59 | * Database-specific string to use for quoting a name or value |
| 60 | * left-hand side (for security reasons and to prevent a name |
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| 61 | * from being parsed as a keyword). |
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| 62 | * @var string |
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| 63 | */ |
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| 64 | protected $_rightQuote = ''; |
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| 65 | |||
| 66 | /* Status properties */ |
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| 67 | |||
| 68 | /** |
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| 27 | PointedEar | 69 | * Database connection |
| 70 | * @var PDO |
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| 71 | */ |
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| 72 | protected $_connection; |
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| 73 | |||
| 74 | /** |
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| 75 | * Last success value of the database operation |
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| 76 | * @var boolean |
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| 77 | */ |
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| 78 | protected $_lastSuccess; |
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| 79 | |||
| 80 | /** |
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| 81 | * Last error information of the database operation |
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| 82 | * @var array |
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| 83 | */ |
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| 84 | protected $_lastError; |
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| 85 | |||
| 86 | /** |
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| 87 | * Last result of the database operation |
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| 88 | * @var array |
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| 89 | */ |
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| 90 | protected $_lastResult; |
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| 91 | |||
| 92 | /** |
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| 93 | * ID of the last inserted row, or the last value from a sequence object, |
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| 94 | * depending on the underlying driver. May not be supported by all databases. |
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| 95 | * @var string |
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| 96 | */ |
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| 97 | protected $_lastInsertId = ''; |
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| 98 | |||
| 99 | public function __construct() |
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| 100 | { |
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| 101 | $this->_connection = |
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| 102 | new PDO($this->_dsn, $this->_username, $this->_password, $this->_options); |
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| 103 | } |
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| 104 | |||
| 105 | /** |
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| 106 | * Initiates a transaction |
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| 107 | * |
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| 108 | * @return bool |
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| 109 | * @see PDO::beginTransaction() |
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| 110 | */ |
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| 111 | public function beginTransaction() |
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| 112 | { |
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| 113 | return $this->_connection->beginTransaction(); |
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| 114 | } |
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| 115 | |||
| 116 | /** |
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| 117 | * Rolls back a transaction |
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| 118 | * |
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| 119 | * @return bool |
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| 120 | * @see PDO::rollBack() |
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| 121 | */ |
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| 122 | public function rollBack() |
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| 123 | { |
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| 124 | return $this->_connection->rollBack(); |
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| 125 | } |
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| 126 | |||
| 127 | /** |
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| 128 | * Commits a transaction |
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| 129 | * |
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| 130 | * @return bool |
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| 131 | * @see PDO::commit() |
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| 132 | */ |
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| 133 | public function commit() |
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| 134 | { |
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| 135 | return $this->_connection->commit(); |
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| 136 | } |
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| 137 | |||
| 138 | /** |
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| 139 | * Prepares a statement for execution with the database |
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| 140 | * @param string $query |
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| 141 | */ |
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| 142 | public function prepare($query, array $driver_options = array()) |
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| 143 | { |
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| 144 | return $this->_connection->prepare($query, $driver_options); |
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| 145 | } |
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| 146 | |||
| 147 | /** |
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| 148 | * Returns the ID of the last inserted row, or the last value from |
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| 149 | * a sequence object, depending on the underlying driver. |
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| 150 | * |
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| 151 | * @return int |
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| 152 | */ |
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| 153 | public function getLastInsertId() |
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| 154 | { |
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| 155 | return $this->_lastInsertId; |
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| 156 | } |
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| 157 | |||
| 158 | /** |
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| 159 | * Escapes a database name so that it can be used in a query. |
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| 160 | * |
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| 161 | * @param string $name |
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| 162 | * The name to be escaped |
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| 163 | * @return string |
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| 164 | * The escaped name |
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| 165 | */ |
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| 166 | public function escapeName($name) |
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| 167 | { |
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| 32 | PointedEar | 168 | return $this->_leftQuote . $name . $this->_rightQuote; |
| 27 | PointedEar | 169 | } |
| 170 | |||
| 171 | /** |
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| 172 | * Determines if an array is associative (has not all integer keys). |
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| 173 | * |
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| 174 | * @author |
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| 175 | * Algorithm courtesy of squirrel, <http://stackoverflow.com/a/5969617/855543>. |
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| 176 | * @param array $a |
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| 177 | * @return boolean |
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| 178 | * <code>true</code> if <var>$a</var> is associative, |
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| 179 | * <code>false</code> otherwise |
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| 180 | */ |
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| 181 | protected function _isAssociativeArray(array $a) |
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| 182 | { |
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| 183 | for (reset($a); is_int(key($a)); next($a)); |
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| 184 | return !is_null(key($a)); |
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| 185 | } |
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| 186 | |||
| 187 | /** |
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| 188 | * Escapes an associative array so that its string representation can be used |
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| 189 | * as list with table or column aliases in a query. |
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| 190 | * |
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| 191 | * This method does not actually escape anything; it only inserts the |
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| 192 | * 'AS' keyword. It should be overridden by inheriting methods. |
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| 193 | * |
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| 194 | * NOTE: This method intentionally does not check whether the array actually |
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| 195 | * is associative. |
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| 196 | * |
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| 197 | * @param array &$array |
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| 198 | * The array to be escaped |
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| 199 | * @return array |
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| 200 | * The escaped array |
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| 201 | */ |
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| 202 | protected function _escapeAliasArray(array &$array) |
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| 203 | { |
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| 204 | foreach ($array as $column => &$value) |
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| 205 | { |
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| 32 | PointedEar | 206 | $quotedColumn = $column; |
| 207 | if (strpos($column, $this->_leftQuote) === false |
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| 208 | && strpos($column, $this->_rightQuote) === false) |
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| 209 | { |
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| 210 | $quotedColumn = $this->_leftQuote . $column . $this->_rightQuote; |
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| 211 | } |
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| 212 | |||
| 213 | $value = $value . ' AS ' . $quotedColumn; |
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| 27 | PointedEar | 214 | } |
| 215 | |||
| 216 | return $array; |
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| 217 | } |
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| 218 | |||
| 219 | /** |
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| 220 | * @param array $a |
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| 221 | * @param string $prefix |
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| 222 | */ |
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| 223 | private static function _expand(array $a, $prefix) |
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| 224 | { |
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| 225 | $a2 = array(); |
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| 226 | |||
| 227 | foreach ($a as $key => $value) |
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| 228 | { |
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| 229 | $a2[] = ':' . $prefix . ($key + 1); |
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| 230 | } |
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| 231 | |||
| 232 | return $a2; |
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| 233 | } |
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| 234 | |||
| 235 | /** |
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| 236 | * Escapes an associative array so that its string representation can be used |
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| 237 | * as value list in a query. |
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| 238 | * |
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| 239 | * This method should be overridden by inheriting classes to escape |
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| 240 | * column names as fitting for the database schema they support. It is |
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| 241 | * strongly recommended that the overriding methods call this method with |
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| 242 | * an appropriate <var>$escape</var> parameter, pass all other parameters |
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| 243 | * on unchanged, and return its return value. |
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| 244 | * |
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| 245 | * NOTE: Intentionally does not check whether the array actually is associative! |
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| 246 | * |
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| 247 | * @param array &$array |
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| 248 | * The array to be escaped |
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| 249 | * @param string $suffix |
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| 250 | * The string to be appended to the column name for the value placeholder. |
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| 251 | * The default is the empty string. |
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| 252 | * @param array $escape |
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| 253 | * The strings to use left-hand side (index 0) and right-hand side (index 1) |
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| 254 | * of the column name. The default is the empty string, respectively. |
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| 255 | * @return array |
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| 256 | * The escaped array |
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| 257 | */ |
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| 32 | PointedEar | 258 | protected function _escapeValueArray(array &$array, $suffix = '') |
| 27 | PointedEar | 259 | { |
| 260 | $result = array(); |
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| 261 | |||
| 262 | foreach ($array as $column => $value) |
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| 263 | { |
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| 264 | $op = '='; |
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| 265 | $placeholder = ":{$column}"; |
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| 266 | |||
| 267 | if (is_array($value) && $this->_isAssociativeArray($value)) |
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| 268 | { |
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| 269 | reset($value); |
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| 270 | $op = ' ' . key($value) . ' '; |
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| 271 | |||
| 272 | $value = $value[key($value)]; |
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| 273 | } |
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| 274 | |||
| 275 | if (is_array($value)) |
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| 276 | { |
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| 277 | $placeholder = '(' . implode(',', self::_expand($value, $column)) . ')'; |
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| 278 | } |
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| 279 | |||
| 32 | PointedEar | 280 | $result[] = $this->_leftQuote . $column . $this->_rightQuote . "{$op}{$placeholder}{$suffix}"; |
| 27 | PointedEar | 281 | } |
| 282 | |||
| 283 | return $result; |
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| 284 | } |
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| 285 | |||
| 286 | /** |
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| 287 | * Constructs the WHERE part of a query |
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| 288 | * |
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| 289 | * @param string|array $where |
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| 290 | * Condition |
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| 291 | * @param string $suffix |
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| 292 | * The string to be appended to the column name for the value placeholder, |
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| 293 | * passed on to {@link Database::_escapeValueArray()}. The default is |
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| 294 | * the empty string. |
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| 295 | * @return string |
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| 296 | * @see Database::_escapeValueArray() |
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| 297 | */ |
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| 298 | protected function _where($where, $suffix = '') |
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| 299 | { |
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| 300 | if (!is_null($where)) |
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| 301 | { |
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| 302 | if (is_array($where)) |
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| 303 | { |
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| 304 | if (count($where) < 1) |
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| 305 | { |
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| 306 | return ''; |
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| 307 | } |
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| 308 | |||
| 309 | if ($this->_isAssociativeArray($where)) |
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| 310 | { |
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| 311 | $where = $this->_escapeValueArray($where, $suffix); |
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| 312 | } |
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| 313 | |||
| 314 | $where = '(' . implode(') AND (', $where) . ')'; |
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| 315 | } |
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| 316 | |||
| 317 | return ' WHERE ' . $where; |
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| 318 | } |
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| 319 | |||
| 320 | return ''; |
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| 321 | } |
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| 322 | |||
| 323 | /** |
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| 324 | * Selects data from one or more tables; the resulting records are stored |
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| 325 | * in the <code>result</code> property and returned as an associative array, |
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| 326 | * where the keys are the column (alias) names. |
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| 327 | * |
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| 328 | * @param string|array[string] $tables Table(s) to select from |
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| 329 | * @param string|array[string] $columns Column(s) to select from (optional) |
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| 330 | * @param string|array $where Condition (optional) |
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| 331 | * @param string $order Sort order (optional) |
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| 332 | * If provided, MUST start with ORDER BY or GROUP BY |
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| 333 | * @param string $limit Limit (optional) |
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| 334 | * @param int $fetch_style |
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| 335 | * The mode that should be used for {@link PDOStatement::fetchAll()}. |
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| 336 | * The default is {@link PDO::FETCH_ASSOC}. |
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| 337 | * @return array |
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| 338 | * @see Database::prepare() |
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| 339 | * @see PDOStatement::fetchAll() |
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| 340 | */ |
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| 341 | public function select($tables, $columns = null, $where = null, |
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| 342 | $order = null, $limit = null, $fetch_style = PDO::FETCH_ASSOC) |
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| 343 | { |
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| 344 | if (is_null($columns)) |
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| 345 | { |
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| 346 | $columns = array('*'); |
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| 347 | } |
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| 348 | |||
| 349 | if (is_array($columns)) |
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| 350 | { |
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| 351 | if ($this->_isAssociativeArray($columns)) |
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| 352 | { |
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| 353 | $columns = $this->_escapeAliasArray($columns); |
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| 354 | } |
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| 355 | |||
| 356 | $columns = implode(',', $columns); |
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| 357 | } |
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| 358 | |||
| 359 | if (is_array($tables)) |
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| 360 | { |
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| 361 | if ($this->_isAssociativeArray($columns)) |
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| 362 | { |
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| 363 | $columns = $this->_escapeAliasArray($columns); |
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| 364 | } |
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| 365 | |||
| 366 | $tables = implode(',', $tables); |
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| 367 | } |
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| 368 | |||
| 369 | $query = "SELECT {$columns} FROM {$tables}" . $this->_where($where); |
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| 370 | |||
| 371 | if (!is_null($order)) |
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| 372 | { |
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| 373 | if (is_array($order)) |
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| 374 | { |
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| 375 | $order = 'ORDER BY ' . implode(',', $order); |
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| 376 | } |
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| 377 | |||
| 378 | $query .= " $order"; |
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| 379 | } |
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| 380 | |||
| 381 | if (!is_null($limit)) |
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| 382 | { |
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| 383 | $query .= " LIMIT $limit"; |
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| 384 | } |
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| 385 | |||
| 386 | $stmt = $this->prepare($query); |
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| 387 | |||
| 388 | $params = array(); |
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| 389 | |||
| 390 | if (is_array($where) && $this->_isAssociativeArray($where)) |
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| 391 | { |
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| 392 | foreach ($where as $column => $condition) |
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| 393 | { |
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| 394 | if (is_array($condition) && $this->_isAssociativeArray($condition)) |
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| 395 | { |
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| 396 | reset($condition); |
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| 397 | $condition = $condition[key($condition)]; |
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| 398 | |||
| 399 | if (is_array($condition)) |
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| 400 | { |
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| 401 | foreach (self::_expand($condition, $column) as $param_index => $param_name) |
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| 402 | { |
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| 403 | $params[$param_name] = $condition[$param_index]; |
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| 404 | } |
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| 405 | } |
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| 406 | } |
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| 407 | else |
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| 408 | { |
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| 409 | $params[":{$column}"] = $condition; |
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| 410 | } |
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| 411 | } |
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| 412 | } |
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| 413 | |||
| 414 | /* DEBUG */ |
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| 415 | if (defined('DEBUG') && DEBUG > 1) |
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| 416 | { |
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| 417 | debug(array( |
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| 418 | 'query' => $query, |
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| 419 | 'params' => $params |
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| 420 | )); |
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| 421 | } |
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| 422 | |||
| 423 | $success =& $this->_lastSuccess; |
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| 424 | $success = $stmt->execute($params); |
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| 425 | |||
| 426 | $errorInfo =& $this->_lastError; |
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| 427 | $errorInfo = $stmt->errorInfo(); |
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| 428 | |||
| 429 | $result =& $this->_lastResult; |
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| 430 | $result = $stmt->fetchAll($fetch_style); |
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| 431 | |||
| 432 | if (defined('DEBUG') && DEBUG > 1) |
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| 433 | { |
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| 434 | debug(array( |
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| 435 | '_lastSuccess' => $success, |
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| 436 | '_lastError' => $errorInfo, |
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| 437 | '_lastResult' => $result |
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| 438 | )); |
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| 439 | } |
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| 440 | |||
| 441 | return $result; |
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| 442 | } |
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| 443 | |||
| 444 | /** |
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| 445 | * Sets and returns the ID of the last inserted row, or the last value from |
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| 446 | * a sequence object, depending on the underlying driver. |
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| 447 | * |
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| 448 | * @param string $name |
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| 449 | * Name of the sequence object from which the ID should be returned. |
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| 450 | * @return string |
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| 451 | */ |
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| 452 | protected function _setLastInsertId($name = null) |
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| 453 | { |
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| 454 | return ($this->_lastInsertId = $this->_connection->lastInsertId($name)); |
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| 455 | } |
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| 456 | |||
| 457 | /** |
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| 458 | * Resets the the ID of the last inserted row, or the last value from |
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| 459 | * a sequence object, depending on the underlying driver. |
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| 460 | * |
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| 461 | * @return string |
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| 462 | * The default value |
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| 463 | */ |
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| 464 | protected function _resetLastInsertId() |
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| 465 | { |
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| 466 | return ($this->_lastInsertId = ''); |
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| 467 | } |
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| 468 | |||
| 469 | /** |
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| 470 | * Updates one or more records |
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| 471 | * |
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| 472 | * @param string|array $tables |
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| 473 | * Table name |
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| 474 | * @param array $values |
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| 475 | * Associative array of column-value pairs |
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| 476 | * @param array|string $where |
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| 477 | * Only the records matching this condition are updated |
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| 478 | * @return bool |
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| 479 | */ |
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| 480 | public function update($tables, $updates, $where = null) |
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| 481 | { |
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| 482 | if (!$tables) |
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| 483 | { |
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| 484 | throw new InvalidArgumentException('No table specified'); |
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| 485 | } |
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| 486 | |||
| 487 | if (is_array($tables)) |
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| 488 | { |
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| 489 | $tables = implode(',', $tables); |
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| 490 | } |
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| 491 | |||
| 492 | if (!$updates) |
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| 493 | { |
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| 494 | throw new InvalidArgumentException('No values specified'); |
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| 495 | } |
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| 496 | |||
| 497 | $params = array(); |
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| 498 | |||
| 499 | if ($this->_isAssociativeArray($updates)) |
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| 500 | { |
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| 501 | foreach ($updates as $key => $condition) |
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| 502 | { |
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| 503 | $params[":{$key}"] = $condition; |
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| 504 | } |
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| 505 | } |
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| 506 | |||
| 507 | $updates = implode(',', $this->_escapeValueArray($updates)); |
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| 508 | |||
| 509 | /* TODO: Should escape table names with escapeName(), but what about aliases? */ |
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| 510 | $query = "UPDATE {$tables} SET {$updates}" . $this->_where($where, '2'); |
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| 511 | |||
| 512 | $stmt = $this->prepare($query); |
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| 513 | |||
| 514 | if (is_array($where) && $this->_isAssociativeArray($where)) |
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| 515 | { |
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| 516 | foreach ($where as $column => $condition) |
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| 517 | { |
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| 518 | if (is_array($condition) && $this->_isAssociativeArray($condition)) |
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| 519 | { |
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| 520 | reset($condition); |
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| 521 | $condition = $condition[key($condition)]; |
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| 522 | |||
| 523 | if (is_array($condition)) |
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| 524 | { |
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| 525 | foreach (self::_expand($condition, $column) as $param_index => $param_name) |
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| 526 | { |
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| 527 | $params[$param_name] = $condition[$param_index]; |
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| 528 | } |
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| 529 | } |
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| 530 | } |
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| 531 | else |
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| 532 | { |
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| 533 | $params[":{$column}2"] = $condition; |
||
| 534 | } |
||
| 535 | } |
||
| 536 | } |
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| 537 | |||
| 538 | /* DEBUG */ |
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| 539 | if (defined('DEBUG') && DEBUG > 1) |
||
| 540 | { |
||
| 541 | debug(array( |
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| 542 | 'query' => $query, |
||
| 543 | 'params' => $params |
||
| 544 | )); |
||
| 545 | } |
||
| 546 | |||
| 547 | $success =& $this->_lastSuccess; |
||
| 548 | $success = $stmt->execute($params); |
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| 549 | |||
| 550 | $errorInfo =& $this->_lastError; |
||
| 551 | $errorInfo = $stmt->errorInfo(); |
||
| 552 | |||
| 553 | $this->_resetLastInsertId(); |
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| 554 | |||
| 555 | $result =& $this->_lastResult; |
||
| 556 | $result = $stmt->fetchAll(); |
||
| 557 | |||
| 558 | if (defined('DEBUG') && DEBUG > 1) |
||
| 559 | { |
||
| 560 | debug(array( |
||
| 561 | '_lastSuccess' => $success, |
||
| 562 | '_lastError' => $errorInfo, |
||
| 563 | '_lastResult' => $result |
||
| 564 | )); |
||
| 565 | } |
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| 566 | |||
| 567 | return $success; |
||
| 568 | } |
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| 569 | |||
| 570 | /** |
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| 571 | * Inserts a record into a table.<p>The AUTO_INCREMENT value of the inserted |
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| 572 | * row, if any (> 0), is stored in the {@link $lastInsertId} property of |
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| 573 | * the <code>Database</code> instance.</p> |
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| 574 | * |
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| 575 | * @param string $table |
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| 576 | * Table name |
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| 577 | * @param array|string $values |
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| 578 | * Associative array of column-value pairs, indexed array, |
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| 579 | * or comma-separated list of values. If <var>$values</var> is not |
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| 580 | * an associative array, <var>$cols</var> must be passed if the |
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| 581 | * values are not in column order (see below). |
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| 582 | * @param array|string $cols |
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| 583 | * Indexed array, or comma-separated list of column names. |
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| 584 | * Needs only be passed if <var>$values</var> is not an associative array |
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| 585 | * and the values are not in column order (default: <code>null</code>); |
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| 586 | * is ignored otherwise. <strong>You SHOULD NOT rely on column order.</strong> |
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| 587 | * @return bool |
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| 588 | * <code>true</code> if successful, <code>false</code> otherwise |
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| 589 | * @see PDOStatement::execute() |
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| 590 | */ |
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| 591 | public function insert($table, $values, $cols = null) |
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| 592 | { |
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| 593 | if ($cols != null) |
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| 594 | { |
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| 595 | $cols = ' (' |
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| 596 | . (is_array($cols) |
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| 597 | ? implode(',', array_map(create_function('$s', 'return "`$s`";'), $cols)) |
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| 598 | : $cols) . ')'; |
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| 599 | } |
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| 600 | else |
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| 601 | { |
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| 602 | $cols = ''; |
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| 603 | } |
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| 604 | |||
| 605 | /* DEBUG */ |
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| 606 | if (defined('DEBUG') && DEBUG > 2) |
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| 607 | { |
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| 608 | debug(array('values' => $values)); |
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| 609 | } |
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| 610 | |||
| 611 | $params = array(); |
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| 612 | |||
| 613 | if (is_array($values)) |
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| 614 | { |
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| 615 | if ($this->_isAssociativeArray($values)) |
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| 616 | { |
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| 617 | foreach ($values as $key => $condition) |
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| 618 | { |
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| 619 | $params[":{$key}"] = $condition; |
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| 620 | } |
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| 621 | |||
| 622 | $values = $this->_escapeValueArray($values); |
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| 623 | |||
| 624 | $cols = ''; |
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| 625 | $values = 'SET ' . implode(', ', $values); |
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| 626 | } |
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| 627 | else |
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| 628 | { |
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| 629 | foreach ($values as &$value) |
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| 630 | { |
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| 631 | if (is_string($value)) |
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| 632 | { |
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| 633 | $value = "'" . $value . "'"; |
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| 634 | } |
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| 635 | } |
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| 636 | |||
| 637 | $values = ' VALUES (' . implode(', ', $values) . ')'; |
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| 638 | } |
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| 639 | } |
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| 640 | |||
| 641 | /* TODO: Should escape table names with escapeName(), but what about aliases? */ |
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| 642 | $query = "INSERT INTO {$table} {$cols} {$values}"; |
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| 643 | |||
| 644 | $stmt = $this->prepare($query); |
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| 645 | |||
| 646 | /* DEBUG */ |
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| 647 | if (defined('DEBUG') && DEBUG > 1) |
||
| 648 | { |
||
| 649 | debug(array( |
||
| 650 | 'query' => $query, |
||
| 651 | 'params' => $params |
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| 652 | )); |
||
| 653 | } |
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| 654 | |||
| 655 | $success =& $this->_lastSuccess; |
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| 656 | $success = $stmt->execute($params); |
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| 657 | |||
| 658 | $errorInfo =& $this->_lastError; |
||
| 659 | $errorInfo = $stmt->errorInfo(); |
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| 660 | |||
| 661 | $this->_setLastInsertId(); |
||
| 662 | |||
| 663 | $result =& $this->_lastResult; |
||
| 664 | $result = $stmt->fetchAll(); |
||
| 665 | |||
| 666 | if (defined('DEBUG') && DEBUG > 1) |
||
| 667 | { |
||
| 668 | debug(array( |
||
| 669 | '_lastSuccess' => $success, |
||
| 670 | '_lastError' => $errorInfo, |
||
| 671 | '_lastInsertId' => $this->_lastInsertId, |
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| 672 | '_lastResult' => $result |
||
| 673 | )); |
||
| 674 | } |
||
| 675 | |||
| 676 | return $success; |
||
| 677 | } |
||
| 678 | |||
| 679 | /** |
||
| 680 | * Retrieves all rows from a table |
||
| 681 | * |
||
| 682 | * @param int[optional] $fetch_style |
||
| 683 | * @param int[optional] $column_index |
||
| 684 | * @param array[optional] $ctor_args |
||
| 685 | * @return array |
||
| 686 | * @see PDOStatement::fetchAll() |
||
| 687 | */ |
||
| 688 | public function fetchAll($table, $fetch_style = null, $column_index = null, array $ctor_args = null) |
||
| 689 | { |
||
| 690 | /* NOTE: Cannot use table name as statement parameter */ |
||
| 691 | $stmt = $this->prepare("SELECT * FROM $table"); |
||
| 692 | $this->_lastSuccess = $stmt->execute(); |
||
| 693 | |||
| 694 | $this->_lastError = $stmt->errorInfo(); |
||
| 695 | |||
| 696 | $result =& $this->_lastResult; |
||
| 697 | |||
| 698 | if (is_null($fetch_style)) |
||
| 699 | { |
||
| 700 | $fetch_style = PDO::FETCH_ASSOC; |
||
| 701 | } |
||
| 702 | |||
| 703 | if (!is_null($ctor_args)) |
||
| 704 | { |
||
| 705 | $result = $stmt->fetchAll($fetch_style, $column_index, $ctor_args); |
||
| 706 | } |
||
| 707 | else if (!is_null($column_index)) |
||
| 708 | { |
||
| 709 | $result = $stmt->fetchAll($fetch_style, $column_index); |
||
| 710 | } |
||
| 711 | else if (!is_null($fetch_style)) |
||
| 712 | { |
||
| 713 | $result = $stmt->fetchAll($fetch_style); |
||
| 714 | } |
||
| 715 | else |
||
| 716 | { |
||
| 717 | $result = $stmt->fetchAll(); |
||
| 718 | } |
||
| 719 | |||
| 720 | return $result; |
||
| 721 | } |
||
| 722 | |||
| 723 | /** |
||
| 724 | * Deletes one or more records |
||
| 725 | * |
||
| 726 | * @param string|array $tables |
||
| 727 | * Table name(s) |
||
| 728 | * @param array|string $where |
||
| 729 | * Only the records matching this condition are deleted |
||
| 730 | * @return bool |
||
| 731 | * @see PDOStatement::execute() |
||
| 732 | */ |
||
| 733 | public function delete($tables, $where = null) |
||
| 734 | { |
||
| 735 | if (!$tables) |
||
| 736 | { |
||
| 737 | throw new InvalidArgumentException('No table specified'); |
||
| 738 | } |
||
| 739 | |||
| 740 | if (is_array($tables)) |
||
| 741 | { |
||
| 742 | $tables = implode(',', $tables); |
||
| 743 | } |
||
| 744 | |||
| 745 | $params = array(); |
||
| 746 | |||
| 747 | $query = "DELETE FROM {$tables}" . $this->_where($where); |
||
| 748 | |||
| 749 | $stmt = $this->prepare($query); |
||
| 750 | |||
| 751 | if ($this->_isAssociativeArray($where)) |
||
| 752 | { |
||
| 753 | foreach ($where as $column => $condition) |
||
| 754 | { |
||
| 755 | if (is_array($condition) && $this->_isAssociativeArray($condition)) |
||
| 756 | { |
||
| 757 | reset($condition); |
||
| 758 | $condition = $condition[key($condition)]; |
||
| 759 | |||
| 760 | if (is_array($condition)) |
||
| 761 | { |
||
| 762 | foreach (self::_expand($condition, $column) as $param_index => $param_name) |
||
| 763 | { |
||
| 764 | $params[$param_name] = $condition[$param_index]; |
||
| 765 | } |
||
| 766 | } |
||
| 767 | } |
||
| 768 | else |
||
| 769 | { |
||
| 770 | $params[":{$column}"] = $condition; |
||
| 771 | } |
||
| 772 | } |
||
| 773 | } |
||
| 774 | |||
| 775 | /* DEBUG */ |
||
| 776 | if (defined('DEBUG') && DEBUG > 1) |
||
| 777 | { |
||
| 778 | debug(array( |
||
| 779 | 'query' => $query, |
||
| 780 | 'params' => $params |
||
| 781 | )); |
||
| 782 | } |
||
| 783 | |||
| 784 | $success =& $this->_lastSuccess; |
||
| 785 | $success = $stmt->execute($params); |
||
| 786 | |||
| 787 | $result =& $this->_lastResult; |
||
| 788 | $result = $stmt->fetchAll(); |
||
| 789 | |||
| 790 | $errorInfo =& $this->_lastError; |
||
| 791 | $errorInfo = $stmt->errorInfo(); |
||
| 792 | |||
| 793 | if (defined('DEBUG') && DEBUG > 1) |
||
| 794 | { |
||
| 795 | debug(array( |
||
| 796 | '_lastSuccess' => $success, |
||
| 797 | '_lastError' => $errorInfo, |
||
| 798 | '_lastResult' => $result |
||
| 799 | )); |
||
| 800 | } |
||
| 801 | |||
| 802 | return $success; |
||
| 803 | } |
||
| 804 | } |