XOOPS /
XoopsCore
| Total Complexity | 129 |
| Total Lines | 943 |
| Duplicated Lines | 0 % |
| Coverage | 58.6% |
| Changes | 0 | ||
Complex classes like Tables often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Tables, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 37 | class Tables |
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| 38 | { |
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| 39 | /** |
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| 40 | * @var Connection |
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| 41 | */ |
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| 42 | protected $db; |
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| 43 | |||
| 44 | /** |
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| 45 | * @var string |
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| 46 | */ |
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| 47 | protected $databaseName; |
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| 48 | |||
| 49 | /** |
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| 50 | * @var array Tables |
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| 51 | */ |
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| 52 | protected $tables; |
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| 53 | |||
| 54 | /** |
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| 55 | * @var array Work queue |
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| 56 | */ |
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| 57 | protected $queue; |
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| 58 | |||
| 59 | /** |
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| 60 | * @var string last error message |
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| 61 | */ |
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| 62 | protected $lastError; |
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| 63 | |||
| 64 | /** |
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| 65 | * @var int last error number |
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| 66 | */ |
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| 67 | protected $lastErrNo; |
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| 68 | |||
| 69 | /** |
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| 70 | * Constructor |
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| 71 | * |
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| 72 | */ |
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| 73 | 19 | public function __construct() |
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| 74 | { |
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| 75 | 19 | Language::load('xmf'); |
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| 76 | |||
| 77 | 19 | $this->db = Factory::getConnection(); |
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| 78 | 19 | $this->databaseName = \XoopsBaseConfig::get('db-name'); |
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| 79 | 19 | $this->resetQueue(); |
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| 80 | 19 | } |
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| 81 | |||
| 82 | /** |
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| 83 | * Return a table name, prefixed with site table prefix |
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| 84 | * |
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| 85 | * @param string $table table name to contain prefix |
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| 86 | * |
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| 87 | * @return string table name with prefix |
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| 88 | */ |
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| 89 | 15 | protected function name($table) |
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| 92 | } |
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| 93 | |||
| 94 | /** |
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| 95 | * Add new column for table to the work queue |
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| 96 | * |
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| 97 | * @param string $table table to contain the column |
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| 98 | * @param string $column name of column to add |
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| 99 | * @param string $attributes column_definition |
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| 100 | * |
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| 101 | * @return bool true if no errors, false if errors encountered |
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| 102 | */ |
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| 103 | 1 | public function addColumn($table, $column, $attributes) |
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| 104 | { |
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| 105 | $columnDef = array( |
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| 106 | 1 | 'name' => $column, |
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| 107 | 1 | 'attributes' => $attributes |
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| 108 | ); |
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| 109 | |||
| 110 | // Find table def. |
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| 111 | 1 | if (isset($this->tables[$table])) { |
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| 112 | 1 | $tableDef = &$this->tables[$table]; |
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| 113 | // Is this on a table we are adding? |
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| 114 | 1 | if (isset($tableDef['create']) && $tableDef['create']) { |
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| 115 | array_push($tableDef['columns'], $columnDef); |
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| 116 | } else { |
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| 117 | 1 | foreach ($tableDef['columns'] as $col) { |
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| 118 | 1 | if (strcasecmp($col['name'], $column) == 0) { |
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| 119 | return true; |
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| 120 | } |
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| 121 | } |
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| 122 | 1 | $this->queue[] = "ALTER TABLE `{$tableDef['name']}`" |
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| 123 | 1 | . " ADD COLUMN `{$column}` {$columnDef['attributes']}"; |
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| 124 | 1 | array_push($tableDef['columns'], $columnDef); |
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| 125 | } |
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| 126 | } else { |
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| 127 | return $this->tableNotEstablished(); |
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| 128 | } |
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| 129 | |||
| 130 | 1 | return true; // exists or is added to queue |
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| 131 | } |
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| 132 | |||
| 133 | /** |
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| 134 | * Add new primary key definition for table to work queue |
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| 135 | * |
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| 136 | * @param string $table table |
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| 137 | * @param string $column column or comma separated list of columns |
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| 138 | * to use as primary key |
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| 139 | * |
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| 140 | * @return bool true if no errors, false if errors encountered |
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| 141 | */ |
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| 142 | 1 | public function addPrimaryKey($table, $column) |
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| 162 | } |
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| 163 | |||
| 164 | /** |
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| 165 | * Add new index definition for index to work queue |
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| 166 | * |
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| 167 | * @param string $name name of index to add |
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| 168 | * @param string $table table indexed |
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| 169 | * @param string $column column or a comma separated list of columns |
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| 170 | * to use as the key |
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| 171 | * @param bool $unique true if index is to be unique |
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| 172 | * |
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| 173 | * @return bool true if no errors, false if errors encountered |
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| 174 | */ |
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| 175 | 1 | public function addIndex($name, $table, $column, $unique = false) |
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| 197 | } |
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| 198 | |||
| 199 | /** |
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| 200 | * Backtick quote the column names used in index creation. |
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| 201 | * |
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| 202 | * Handles prefix indexed columns specified as name(length) - i.e. name(20). |
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| 203 | * |
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| 204 | * @param string $columnName column name to quote with optional prefix length |
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| 205 | * |
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| 206 | * @return string |
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| 207 | */ |
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| 208 | 1 | protected function quoteIndexColumnName($columnName) |
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| 209 | { |
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| 210 | 1 | $column = str_replace(' ', '', $columnName); |
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| 211 | 1 | $length = ''; |
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| 212 | |||
| 213 | 1 | $lengthPosition = strpos($column, '('); |
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| 214 | 1 | if ($lengthPosition) { |
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| 215 | $length = ' ' . substr($column, $lengthPosition); |
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| 216 | $column = substr($column, 0, $lengthPosition); |
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| 217 | } |
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| 218 | 1 | $quotedName = "`{$column}`{$length}"; |
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| 219 | |||
| 220 | 1 | return $quotedName; |
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| 221 | } |
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| 222 | |||
| 223 | /** |
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| 224 | * Load table schema from database, or starts new empty schema if |
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| 225 | * table does not exist |
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| 226 | * |
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| 227 | * @param string $table table |
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| 228 | * |
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| 229 | * @return bool true if no errors, false if errors encountered |
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| 230 | */ |
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| 231 | public function addTable($table) |
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| 232 | { |
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| 233 | if (isset($this->tables[$table])) { |
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| 234 | return true; |
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| 235 | } |
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| 236 | $tableDef = $this->getTable($table); |
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| 237 | if (is_array($tableDef)) { |
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| 238 | $this->tables[$table] = $tableDef; |
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| 239 | |||
| 240 | return true; |
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| 241 | } else { |
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| 242 | if ($tableDef === true) { |
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| 243 | $tableDef = array( |
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| 244 | 'name' => $this->name($table), |
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| 245 | 'options' => 'ENGINE=InnoDB', |
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| 246 | 'columns' => array(), |
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| 247 | 'keys' => array(), |
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| 248 | 'create' => true, |
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| 249 | ); |
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| 250 | $this->tables[$table] = $tableDef; |
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| 251 | |||
| 252 | $this->queue[] = array('createtable' => $table); |
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| 253 | |||
| 254 | return true; |
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| 255 | } else { |
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| 256 | return false; |
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| 257 | } |
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| 258 | } |
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| 259 | } |
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| 260 | |||
| 261 | /** |
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| 262 | * AddTable only if it exists |
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| 263 | * |
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| 264 | * @param string $table table |
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| 265 | * |
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| 266 | * @return bool true if table exists, false otherwise |
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| 267 | */ |
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| 268 | 15 | public function useTable($table) |
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| 269 | { |
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| 270 | 15 | if (isset($this->tables[$table])) { |
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| 271 | return true; |
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| 272 | } |
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| 273 | 15 | $tableDef = $this->getTable($table); |
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| 274 | 15 | if (is_array($tableDef)) { |
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| 275 | 15 | $this->tables[$table] = $tableDef; |
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| 276 | 15 | return true; |
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| 277 | } |
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| 278 | 2 | return false; |
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| 279 | } |
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| 280 | |||
| 281 | /** |
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| 282 | * Get column attributes |
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| 283 | * |
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| 284 | * @param string $table table containing the column |
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| 285 | * @param string $column column to alter |
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| 286 | * |
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| 287 | * @return string|bool attribute string, or false if error encountered |
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| 288 | */ |
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| 289 | 1 | public function getColumnAttributes($table, $column) |
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| 290 | { |
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| 291 | // Find table def. |
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| 292 | 1 | if (isset($this->tables[$table])) { |
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| 293 | 1 | $tableDef = $this->tables[$table]; |
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| 294 | // loop thru and find the column |
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| 295 | 1 | foreach ($tableDef['columns'] as $col) { |
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| 296 | 1 | if (strcasecmp($col['name'], $column) === 0) { |
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| 297 | 1 | return $col['attributes']; |
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| 298 | } |
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| 299 | } |
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| 300 | } |
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| 301 | |||
| 302 | return false; |
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| 303 | } |
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| 304 | |||
| 305 | /** |
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| 306 | * Get indexes for a table |
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| 307 | * |
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| 308 | * @param string $table get indexes for this named table |
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| 309 | * |
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| 310 | * @return array|bool array of indexes, or false if error encountered |
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| 311 | */ |
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| 312 | 1 | public function getTableIndexes($table) |
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| 313 | { |
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| 314 | // Find table def. |
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| 315 | 1 | if (isset($this->tables[$table]) && isset($this->tables[$table]['keys'])) { |
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| 316 | 1 | return $this->tables[$table]['keys']; |
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| 317 | } |
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| 318 | |||
| 319 | 1 | return false; |
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| 320 | } |
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| 321 | |||
| 322 | /** |
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| 323 | * Add alter column operation to the work queue |
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| 324 | * |
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| 325 | * @param string $table table containing the column |
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| 326 | * @param string $column column to alter |
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| 327 | * @param string $attributes new column_definition |
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| 328 | * @param string $newName new name for column, blank to keep same |
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| 329 | * |
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| 330 | * @return bool true if no errors, false if errors encountered |
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| 331 | */ |
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| 332 | 1 | public function alterColumn($table, $column, $attributes, $newName = '') |
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| 333 | { |
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| 334 | 1 | if (empty($newName)) { |
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| 335 | $newName = $column; |
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| 336 | } |
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| 337 | // Find table def. |
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| 338 | 1 | if (isset($this->tables[$table])) { |
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| 339 | 1 | $tableDef = &$this->tables[$table]; |
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| 340 | // Is this on a table we are adding? |
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| 341 | 1 | if (isset($tableDef['create']) && $tableDef['create']) { |
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| 342 | // loop thru and find the column |
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| 343 | foreach ($tableDef['columns'] as &$col) { |
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| 344 | if (strcasecmp($col['name'], $column) == 0) { |
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| 345 | $col['name'] = $newName; |
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| 346 | $col['attributes'] = $attributes; |
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| 347 | break; |
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| 348 | } |
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| 349 | } |
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| 350 | |||
| 351 | return true; |
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| 352 | } else { |
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| 353 | 1 | $this->queue[] = "ALTER TABLE `{$tableDef['name']}` " . |
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| 354 | 1 | "CHANGE COLUMN `{$column}` `{$newName}` {$attributes} "; |
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| 355 | // loop thru and find the column |
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| 356 | 1 | foreach ($tableDef['columns'] as &$col) { |
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| 357 | 1 | if (strcasecmp($col['name'], $column) == 0) { |
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| 358 | 1 | $col['name'] = $newName; |
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| 359 | 1 | $col['attributes'] = $attributes; |
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| 360 | 1 | break; |
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| 361 | } |
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| 362 | } |
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| 363 | } |
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| 364 | } else { |
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| 365 | return $this->tableNotEstablished(); |
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| 366 | } |
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| 367 | |||
| 368 | 1 | return true; |
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| 369 | } |
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| 370 | |||
| 371 | /** |
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| 372 | * Loads table schema from database, and adds newTable with that |
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| 373 | * schema to the queue |
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| 374 | * |
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| 375 | * @param string $table existing table |
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| 376 | * @param string $newTable new table |
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| 377 | * @param bool $withData true to copy data, false for schema only |
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| 378 | * |
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| 379 | * @return bool true if no errors, false if errors encountered |
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| 380 | */ |
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| 381 | 1 | public function copyTable($table, $newTable, $withData = false) |
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| 382 | { |
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| 383 | 1 | if (isset($this->tables[$newTable])) { |
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| 384 | return true; |
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| 385 | } |
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| 386 | 1 | $tableDef = $this->getTable($table); |
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| 387 | 1 | $copy = $this->name($newTable); |
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| 388 | 1 | $original = $this->name($table); |
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| 389 | |||
| 390 | 1 | if (is_array($tableDef)) { |
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| 391 | 1 | $tableDef['name'] = $copy; |
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| 392 | 1 | if ($withData) { |
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| 393 | $this->queue[] = "CREATE TABLE `{$copy}` LIKE `{$original}` ;"; |
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| 394 | $this->queue[] = "INSERT INTO `{$copy}` SELECT * FROM `{$original}` ;"; |
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| 395 | } else { |
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| 396 | 1 | $tableDef['create'] = true; |
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| 397 | 1 | $this->queue[] = array('createtable' => $newTable); |
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| 398 | } |
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| 399 | 1 | $this->tables[$newTable] = $tableDef; |
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| 400 | |||
| 401 | 1 | return true; |
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| 402 | } else { |
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| 403 | return false; |
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| 404 | } |
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| 405 | } |
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| 406 | |||
| 407 | /** |
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| 408 | * Add drop column operation to the work queue |
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| 409 | * |
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| 410 | * @param string $table table containing the column |
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| 411 | * @param string $column column to drop |
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| 412 | * |
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| 413 | * @return bool true if no errors, false if errors encountered |
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| 414 | */ |
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| 415 | 1 | public function dropColumn($table, $column) |
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| 416 | { |
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| 417 | // Find table def. |
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| 418 | 1 | if (isset($this->tables[$table])) { |
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| 419 | 1 | $tableDef = $this->tables[$table]; |
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| 420 | 1 | $this->queue[] = "ALTER TABLE `{$tableDef['name']}` DROP COLUMN `{$column}`"; |
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| 421 | } else { |
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| 422 | return $this->tableNotEstablished(); |
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| 423 | } |
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| 424 | |||
| 425 | 1 | return true; |
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| 426 | } |
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| 427 | |||
| 428 | /** |
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| 429 | * Add drop index operation to the work queue |
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| 430 | * |
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| 431 | * @param string $name name of index to drop |
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| 432 | * @param string $table table indexed |
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| 433 | * |
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| 434 | * @return bool true if no errors, false if errors encountered |
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| 435 | */ |
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| 436 | 1 | public function dropIndex($name, $table) |
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| 437 | { |
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| 438 | 1 | if (isset($this->tables[$table])) { |
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| 439 | 1 | $tableDef = $this->tables[$table]; |
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| 440 | 1 | $this->queue[] = "ALTER TABLE `{$tableDef['name']}` DROP INDEX `{$name}`"; |
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| 441 | } else { |
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| 442 | return $this->tableNotEstablished(); |
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| 443 | } |
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| 444 | |||
| 445 | 1 | return true; |
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| 446 | } |
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| 447 | |||
| 448 | /** |
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| 449 | * Add drop for all (non-PRIMARY) keys for a table to the work |
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| 450 | * queue. This can be used to clean up indexes with automatic names. |
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| 451 | * |
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| 452 | * @param string $table table indexed |
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| 453 | * |
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| 454 | * @return bool true if no errors, false if errors encountered |
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| 455 | */ |
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| 456 | public function dropIndexes($table) |
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| 482 | } |
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| 483 | |||
| 484 | /** |
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| 485 | * Add drop of PRIMARY key for a table to the work queue |
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| 486 | * |
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| 487 | * @param string $table table |
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| 488 | * |
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| 489 | * @return bool true if no errors, false if errors encountered |
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| 490 | */ |
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| 491 | 1 | public function dropPrimaryKey($table) |
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| 492 | { |
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| 493 | 1 | if (isset($this->tables[$table])) { |
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| 494 | 1 | $tableDef = $this->tables[$table]; |
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| 495 | 1 | $this->queue[] = "ALTER TABLE `{$tableDef['name']}` DROP PRIMARY KEY "; |
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| 496 | } else { |
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| 497 | return $this->tableNotEstablished(); |
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| 498 | } |
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| 499 | |||
| 500 | 1 | return true; |
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| 501 | } |
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| 502 | |||
| 503 | /** |
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| 504 | * Add drop of table to the work queue |
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| 505 | * |
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| 506 | * @param string $table table |
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| 507 | * |
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| 508 | * @return bool true if no errors, false if errors encountered |
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| 509 | */ |
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| 510 | 1 | public function dropTable($table) |
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| 519 | } |
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| 520 | |||
| 521 | |||
| 522 | /** |
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| 523 | * Add rename table operation to the work queue |
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| 524 | * |
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| 525 | * @param string $table table |
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| 526 | * @param string $newName new table name |
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| 527 | * |
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| 528 | * @return bool true if no errors, false if errors encountered |
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| 529 | */ |
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| 530 | 1 | public function renameTable($table, $newName) |
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| 531 | { |
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| 532 | 1 | if (isset($this->tables[$table])) { |
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| 533 | 1 | $tableDef = $this->tables[$table]; |
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| 534 | 1 | $newTable = $this->name($newName); |
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| 535 | 1 | $this->queue[] = "ALTER TABLE `{$tableDef['name']}` RENAME TO `{$newTable}`"; |
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| 536 | 1 | $tableDef['name'] = $newTable; |
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| 537 | 1 | $this->tables[$newName] = $tableDef; |
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| 538 | 1 | unset($this->tables[$table]); |
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| 539 | } else { |
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| 540 | return $this->tableNotEstablished(); |
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| 541 | } |
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| 542 | |||
| 543 | 1 | return true; |
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| 544 | } |
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| 545 | |||
| 546 | /** |
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| 547 | * Add alter table table_options (ENGINE, DEFAULT CHARSET, etc.) |
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| 548 | * to work queue |
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| 549 | * |
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| 550 | * @param string $table table |
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| 551 | * @param string $options table_options |
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| 552 | * |
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| 553 | * @return bool true if no errors, false if errors encountered |
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| 554 | */ |
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| 555 | 1 | public function setTableOptions($table, $options) |
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| 556 | { |
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| 557 | 1 | if (isset($this->tables[$table])) { |
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| 558 | 1 | $tableDef = &$this->tables[$table]; |
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| 559 | // Is this on a table we are adding? |
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| 560 | 1 | if (isset($tableDef['create']) && $tableDef['create']) { |
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| 561 | $tableDef['options'] = $options; |
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| 562 | return true; |
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| 563 | } else { |
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| 564 | 1 | $this->queue[] = "ALTER TABLE `{$tableDef['name']}` {$options} "; |
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| 565 | 1 | $tableDef['options'] = $options; |
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| 566 | 1 | return true; |
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| 567 | } |
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| 568 | } else { |
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| 569 | return $this->tableNotEstablished(); |
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| 570 | } |
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| 571 | } |
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| 572 | |||
| 573 | |||
| 574 | /** |
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| 575 | * Clear the work queue |
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| 576 | * |
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| 577 | * @return void |
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| 578 | */ |
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| 579 | 19 | public function resetQueue() |
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| 580 | { |
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| 581 | 19 | $this->tables = array(); |
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| 582 | 19 | $this->queue = array(); |
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| 583 | 19 | } |
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| 584 | |||
| 585 | /** |
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| 586 | * Executes the work queue |
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| 587 | * |
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| 588 | * @param bool $force true to force updates even if this is a 'GET' request |
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| 589 | * |
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| 590 | * @return bool true if no errors, false if errors encountered |
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| 591 | */ |
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| 592 | public function executeQueue($force = false) |
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| 593 | { |
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| 594 | $this->expandQueue(); |
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| 595 | foreach ($this->queue as &$ddl) { |
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| 596 | if (is_array($ddl)) { |
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| 597 | if (isset($ddl['createtable'])) { |
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| 598 | $ddl = $this->renderTableCreate($ddl['createtable']); |
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| 599 | } |
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| 600 | } |
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| 601 | $result = $this->execSql($ddl, $force); |
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|
Bug
introduced
by
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| 602 | if (!$result) { |
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| 603 | $this->lastError = $this->db->errorInfo(); |
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| 604 | $this->lastErrNo = $this->db->errorCode(); |
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| 605 | |||
| 606 | return false; |
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| 607 | } |
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| 608 | } |
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| 609 | |||
| 610 | return true; |
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| 611 | } |
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| 612 | |||
| 613 | |||
| 614 | /** |
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| 615 | * Create a DELETE statement and add it to the work queue |
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| 616 | * |
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| 617 | * @param string $table table |
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| 618 | * @param string|CriteriaElement $criteria string where clause or object criteria |
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| 619 | * |
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| 620 | * @return bool true if no errors, false if errors encountered |
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| 621 | */ |
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| 622 | public function delete($table, $criteria) |
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| 623 | { |
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| 624 | if (isset($this->tables[$table])) { |
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| 625 | $tableDef = $this->tables[$table]; |
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| 626 | $where = ''; |
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| 627 | if (is_scalar($criteria)) { |
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| 628 | $where = $criteria; |
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| 629 | } elseif (is_object($criteria)) { |
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| 630 | $where = $criteria->renderWhere(); |
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| 631 | } |
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| 632 | $this->queue[] = "DELETE FROM `{$tableDef['name']}` {$where}"; |
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| 633 | } else { |
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| 634 | return $this->tableNotEstablished(); |
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| 635 | } |
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| 636 | |||
| 637 | return true; |
||
| 638 | } |
||
| 639 | |||
| 640 | /** |
||
| 641 | * Create an INSERT SQL statement and add it to the work queue. |
||
| 642 | * |
||
| 643 | * @param string $table table |
||
| 644 | * @param array $columns array of 'column'=>'value' entries |
||
| 645 | * @param boolean $quoteValue true to quote values, false if caller handles quoting |
||
| 646 | * |
||
| 647 | * @return boolean true if no errors, false if errors encountered |
||
| 648 | */ |
||
| 649 | public function insert($table, $columns, $quoteValue = true) |
||
| 669 | } |
||
| 670 | } |
||
| 671 | |||
| 672 | /** |
||
| 673 | * Create an UPDATE SQL statement and add it to the work queue |
||
| 674 | * |
||
| 675 | * @param string $table table |
||
| 676 | * @param array $columns array of 'column'=>'value' entries |
||
| 677 | * @param string|CriteriaElement $criteria string where clause or object criteria |
||
| 678 | * @param boolean $quoteValue true to quote values, false if caller handles quoting |
||
| 679 | * |
||
| 680 | * @return boolean true if no errors, false if errors encountered |
||
| 681 | */ |
||
| 682 | public function update($table, $columns, $criteria, $quoteValue = true) |
||
| 683 | { |
||
| 684 | if (isset($this->tables[$table])) { |
||
| 685 | $tableDef = $this->tables[$table]; |
||
| 686 | $where = ''; |
||
| 687 | if (is_scalar($criteria)) { |
||
| 688 | $where = $criteria; |
||
| 689 | } elseif (is_object($criteria)) { |
||
| 690 | $where = $criteria->renderWhere(); |
||
| 691 | } |
||
| 692 | $colSql = ''; |
||
| 693 | foreach ($tableDef['columns'] as $col) { |
||
| 694 | $comma = empty($colSql) ? '' : ', '; |
||
| 695 | if (isset($columns[$col['name']])) { |
||
| 696 | $colSql .= "{$comma}`{$col['name']}` = " |
||
| 697 | . ($quoteValue ? $this->db->quote($columns[$col['name']]) : $columns[$col['name']]); |
||
| 698 | } |
||
| 699 | } |
||
| 700 | $sql = "UPDATE `{$tableDef['name']}` SET {$colSql} {$where}"; |
||
| 701 | $this->queue[] = $sql; |
||
| 702 | |||
| 703 | return true; |
||
| 704 | } else { |
||
| 705 | return $this->tableNotEstablished(); |
||
| 706 | } |
||
| 707 | } |
||
| 708 | |||
| 709 | /** |
||
| 710 | * Add statement to remove all rows from a table to the work queue |
||
| 711 | * |
||
| 712 | * @param string $table table |
||
| 713 | * |
||
| 714 | * @return bool true if no errors, false if errors encountered |
||
| 715 | */ |
||
| 716 | public function truncate($table) |
||
| 717 | { |
||
| 718 | if (isset($this->tables[$table])) { |
||
| 719 | $tableDef = $this->tables[$table]; |
||
| 720 | $this->queue[] = "TRUNCATE TABLE `{$tableDef['name']}`"; |
||
| 721 | } else { |
||
| 722 | return $this->tableNotEstablished(); |
||
| 723 | } |
||
| 724 | |||
| 725 | return true; |
||
| 726 | } |
||
| 727 | |||
| 728 | |||
| 729 | |||
| 730 | /** |
||
| 731 | * return SQL to create the table |
||
| 732 | * |
||
| 733 | * This method does NOT modify the work queue |
||
| 734 | * |
||
| 735 | * @param string $table table |
||
| 736 | * @param bool $prefixed true to return with table name prefixed |
||
| 737 | * |
||
| 738 | * @return string|false string SQL to create table, or false if errors encountered |
||
| 739 | */ |
||
| 740 | protected function renderTableCreate($table, $prefixed = false) |
||
| 766 | } |
||
| 767 | } |
||
| 768 | |||
| 769 | /** |
||
| 770 | * execute an SQL statement |
||
| 771 | * |
||
| 772 | * @param string $sql SQL statement to execute |
||
| 773 | * @param bool $force true to use force updates even in safe requests |
||
| 774 | * |
||
| 775 | * @return Statement|false result Statement, or false on error |
||
| 776 | * Any error message is in $this->lastError; |
||
| 777 | */ |
||
| 778 | 15 | protected function execSql($sql, $force = false) |
|
| 779 | { |
||
| 780 | 15 | if ($force) { |
|
| 781 | $this->db->setForce(true); |
||
| 782 | } |
||
| 783 | 15 | $result = $this->db->query($sql); |
|
| 784 | |||
| 785 | 15 | if (!$result) { |
|
| 786 | $this->lastError = $this->db->errorInfo(); |
||
| 787 | $this->lastErrNo = $this->db->errorCode(); |
||
| 788 | } |
||
| 789 | |||
| 790 | 15 | return $result; |
|
| 791 | } |
||
| 792 | |||
| 793 | /** |
||
| 794 | * fetch the next row of a result set |
||
| 795 | * |
||
| 796 | * @param Statement $result as returned by query |
||
| 797 | * |
||
| 798 | * @return mixed false on error |
||
| 799 | */ |
||
| 800 | 15 | protected function fetch($result) |
|
| 801 | { |
||
| 802 | 15 | return $result->fetch(FetchMode::ASSOCIATIVE); |
|
| 803 | } |
||
| 804 | |||
| 805 | /** |
||
| 806 | * get table definition from INFORMATION_SCHEMA |
||
| 807 | * |
||
| 808 | * @param string $table table |
||
| 809 | * |
||
| 810 | * @return array|bool table definition array if table exists, true if table not defined, or |
||
| 811 | * false on error. Error message in $this->lastError; |
||
| 812 | */ |
||
| 813 | 15 | protected function getTable($table) |
|
| 814 | { |
||
| 815 | 15 | $tableDef = array(); |
|
| 816 | |||
| 817 | 15 | $sql = 'SELECT TABLE_NAME, ENGINE, CHARACTER_SET_NAME '; |
|
| 818 | 15 | $sql .= ' FROM `INFORMATION_SCHEMA`.`TABLES` t, '; |
|
| 819 | 15 | $sql .= ' `INFORMATION_SCHEMA`.`COLLATIONS` c '; |
|
| 820 | 15 | $sql .= ' WHERE t.TABLE_SCHEMA = \'' . $this->databaseName . '\' '; |
|
| 821 | 15 | $sql .= ' AND t.TABLE_NAME = \'' . $this->name($table) . '\' '; |
|
| 822 | 15 | $sql .= ' AND t.TABLE_COLLATION = c.COLLATION_NAME '; |
|
| 823 | |||
| 824 | 15 | $result = $this->execSql($sql); |
|
| 825 | 15 | if (!$result) { |
|
| 826 | return false; |
||
| 827 | } |
||
| 828 | 15 | $tableSchema = $this->fetch($result); |
|
| 829 | 15 | if (empty($tableSchema)) { |
|
| 830 | 2 | return true; |
|
| 831 | } |
||
| 832 | 15 | $tableDef['name'] = $tableSchema['TABLE_NAME']; |
|
| 833 | 15 | $tableDef['options'] = 'ENGINE=' . $tableSchema['ENGINE'] . ' ' |
|
| 834 | 15 | . 'DEFAULT CHARSET=' . $tableSchema['CHARACTER_SET_NAME']; |
|
| 835 | |||
| 836 | 15 | $sql = 'SELECT * '; |
|
| 837 | 15 | $sql .= ' FROM `INFORMATION_SCHEMA`.`COLUMNS` '; |
|
| 838 | 15 | $sql .= ' WHERE TABLE_SCHEMA = \'' . $this->databaseName . '\' '; |
|
| 839 | 15 | $sql .= ' AND TABLE_NAME = \'' . $this->name($table) . '\' '; |
|
| 840 | 15 | $sql .= ' ORDER BY `ORDINAL_POSITION` '; |
|
| 841 | |||
| 842 | 15 | $result = $this->execSql($sql); |
|
| 843 | |||
| 844 | 15 | while ($column = $this->fetch($result)) { |
|
| 845 | 15 | $attributes = ' ' . $column['COLUMN_TYPE'] . ' ' |
|
| 846 | 15 | . (($column['IS_NULLABLE'] === 'NO') ? ' NOT NULL ' : '') |
|
| 847 | 15 | . (($column['COLUMN_DEFAULT'] === null) ? '' : " DEFAULT '" . $column['COLUMN_DEFAULT'] . "' ") |
|
| 848 | 15 | . $column['EXTRA']; |
|
| 849 | |||
| 850 | $columnDef = array( |
||
| 851 | 15 | 'name' => $column['COLUMN_NAME'], |
|
| 852 | 15 | 'attributes' => $attributes |
|
| 853 | ); |
||
| 854 | |||
| 855 | 15 | $tableDef['columns'][] = $columnDef; |
|
| 856 | }; |
||
| 857 | |||
| 858 | 15 | $sql = 'SELECT `INDEX_NAME`, `SEQ_IN_INDEX`, `NON_UNIQUE`, '; |
|
| 859 | 15 | $sql .= ' `COLUMN_NAME`, `SUB_PART` '; |
|
| 860 | 15 | $sql .= ' FROM `INFORMATION_SCHEMA`.`STATISTICS` '; |
|
| 861 | 15 | $sql .= ' WHERE TABLE_SCHEMA = \'' . $this->databaseName . '\' '; |
|
| 862 | 15 | $sql .= ' AND TABLE_NAME = \'' . $this->name($table) . '\' '; |
|
| 863 | 15 | $sql .= ' ORDER BY `INDEX_NAME`, `SEQ_IN_INDEX` '; |
|
| 864 | |||
| 865 | 15 | $result = $this->execSql($sql); |
|
| 866 | |||
| 867 | 15 | $lastKey = ''; |
|
| 868 | 15 | $keyCols = ''; |
|
| 869 | 15 | $keyUnique = false; |
|
| 870 | 15 | while ($key = $this->fetch($result)) { |
|
| 871 | 15 | if ($lastKey != $key['INDEX_NAME']) { |
|
| 872 | 15 | if (!empty($lastKey)) { |
|
| 873 | 15 | $tableDef['keys'][$lastKey]['columns'] = $keyCols; |
|
| 874 | 15 | $tableDef['keys'][$lastKey]['unique'] = $keyUnique; |
|
| 875 | } |
||
| 876 | 15 | $lastKey = $key['INDEX_NAME']; |
|
| 877 | 15 | $keyCols = $key['COLUMN_NAME']; |
|
| 878 | 15 | if (!empty($key['SUB_PART'])) { |
|
| 879 | $keyCols .= ' (' . $key['SUB_PART'] . ')'; |
||
| 880 | } |
||
| 881 | 15 | $keyUnique = !$key['NON_UNIQUE']; |
|
| 882 | } else { |
||
| 883 | 15 | $keyCols .= ', ' . $key['COLUMN_NAME']; |
|
| 884 | 15 | if (!empty($key['SUB_PART'])) { |
|
| 885 | $keyCols .= ' (' . $key['SUB_PART'] . ')'; |
||
| 886 | } |
||
| 887 | } |
||
| 888 | }; |
||
| 889 | 15 | if (!empty($lastKey)) { |
|
| 890 | 15 | $tableDef['keys'][$lastKey]['columns'] = $keyCols; |
|
| 891 | 15 | $tableDef['keys'][$lastKey]['unique'] = $keyUnique; |
|
| 892 | } |
||
| 893 | |||
| 894 | 15 | return $tableDef; |
|
| 895 | } |
||
| 896 | |||
| 897 | /** |
||
| 898 | * During processing, tables to be created are put in the queue as |
||
| 899 | * an array('createtable' => tablename) since the definition is not |
||
| 900 | * complete. This method will expand those references to the full |
||
| 901 | * ddl to create the table. |
||
| 902 | * |
||
| 903 | * @return void |
||
| 904 | */ |
||
| 905 | 11 | protected function expandQueue() |
|
| 906 | { |
||
| 907 | 11 | foreach ($this->queue as &$ddl) { |
|
| 908 | 11 | if (is_array($ddl)) { |
|
| 909 | if (isset($ddl['createtable'])) { |
||
| 910 | $ddl = $this->renderTableCreate($ddl['createtable'], true); |
||
| 911 | } |
||
| 912 | } |
||
| 913 | } |
||
| 914 | 11 | } |
|
| 915 | |||
| 916 | /** |
||
| 917 | * Return message from last error encountered |
||
| 918 | * |
||
| 919 | * @return string last error message |
||
| 920 | */ |
||
| 921 | 1 | public function getLastError() |
|
| 922 | { |
||
| 923 | 1 | return $this->lastError; |
|
| 924 | } |
||
| 925 | |||
| 926 | /** |
||
| 927 | * Return code from last error encountered |
||
| 928 | * |
||
| 929 | * @return int last error number |
||
| 930 | */ |
||
| 931 | 1 | public function getLastErrNo() |
|
| 934 | } |
||
| 935 | |||
| 936 | /** |
||
| 937 | * dumpTables - utility function to dump raw tables array |
||
| 938 | * |
||
| 939 | * @return array tables |
||
| 940 | */ |
||
| 941 | 2 | public function dumpTables() |
|
| 942 | { |
||
| 943 | 2 | return $this->tables; |
|
| 944 | } |
||
| 945 | |||
| 946 | /** |
||
| 947 | * dumpQueue - utility function to dump the work queue |
||
| 948 | * |
||
| 949 | * @return array work queue |
||
| 950 | */ |
||
| 951 | 11 | public function dumpQueue() |
|
| 952 | { |
||
| 953 | 11 | $this->expandQueue(); |
|
| 954 | |||
| 955 | 11 | return $this->queue; |
|
| 956 | } |
||
| 957 | |||
| 958 | /** |
||
| 959 | * addToQueue - utility function to add a statement to the work queue |
||
| 960 | * |
||
| 961 | * @param string $sql an SQL/DDL statement to add |
||
| 962 | * |
||
| 963 | * @return void |
||
| 964 | */ |
||
| 965 | 1 | public function addToQueue($sql) |
|
| 966 | { |
||
| 967 | 1 | $this->queue[] = $sql; |
|
| 968 | 1 | } |
|
| 969 | |||
| 970 | /** |
||
| 971 | * Set lastError as table not established |
||
| 972 | * |
||
| 973 | * @return false |
||
| 974 | */ |
||
| 975 | protected function tableNotEstablished() |
||
| 980 | } |
||
| 981 | } |
||
| 982 |
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