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| 1 | <?php declare(strict_types=1); |
| 2 | /** |
| 3 | * Query |
| 4 | * |
| 5 | * SQL Query Builder / Database Abstraction Layer |
| 6 | * |
| 7 | * PHP version 8.1 |
| 8 | * |
| 9 | * @package Query |
| 10 | * @author Timothy J. Warren <tim@timshome.page> |
| 11 | * @copyright 2012 - 2023 Timothy J. Warren |
| 12 | * @license http://www.opensource.org/licenses/mit-license.html MIT License |
| 13 | * @link https://git.timshomepage.net/aviat/Query |
| 14 | * @version 4.0.0 |
| 15 | */ |
| 16 | |
| 17 | namespace Query; |
| 18 | |
| 19 | use BadMethodCallException; |
| 20 | |
| 21 | use PDO; |
| 22 | use PDOStatement; |
| 23 | use Query\Drivers\DriverInterface; |
| 24 | use function is_string; |
| 25 | use function regexInArray; |
| 26 | |
| 27 | /** |
| 28 | * @method affectedRows(): int |
| 29 | * @method beginTransaction(): bool |
| 30 | * @method commit(): bool |
| 31 | * @method errorCode(): string |
| 32 | * @method errorInfo(): array |
| 33 | * @method exec(string $statement): int |
| 34 | * @method getAttribute(int $attribute) |
| 35 | * @method getColumns(string $table): array | null |
| 36 | * @method getDbs(): array | null |
| 37 | * @method getFks(string $table): array | null |
| 38 | * @method getIndexes(string $table): array | null |
| 39 | * @method getLastQuery(): string |
| 40 | * @method getSchemas(): array | null |
| 41 | * @method getSequences(): array | null |
| 42 | * @method getSystemTables(): array | null |
| 43 | * @method getTables(): array |
| 44 | * @method getTypes(): array | null |
| 45 | * @method getUtil(): \Query\Drivers\AbstractUtil |
| 46 | * @method getVersion(): string |
| 47 | * @method getViews(): array | null |
| 48 | * @method inTransaction(): bool |
| 49 | * @method lastInsertId(string $name = NULL): string |
| 50 | * @method numRows(): int | null |
| 51 | * @method prepare(string $statement, array $driver_options = []): PDOStatement |
| 52 | * @method prepareExecute(string $sql, array $params): PDOStatement |
| 53 | * @method prepareQuery(string $sql, array $data): PDOStatement |
| 54 | * @method query(string $statement): PDOStatement |
| 55 | * @method quote(string $string, int $parameter_type = PDO::PARAM_STR): string |
| 56 | * @method rollback(): bool |
| 57 | * @method setAttribute(int $attribute, $value): bool |
| 58 | * @method setTablePrefix(string $prefix): void |
| 59 | * @method truncate(string $table): PDOStatement |
| 60 | */ |
| 61 | class QueryBuilderBase |
| 62 | { |
| 63 | /** |
| 64 | * Convenience property for connection management |
| 65 | */ |
| 66 | public string $connName = ''; |
| 67 | |
| 68 | /** |
| 69 | * List of queries executed |
| 70 | */ |
| 71 | public array $queries = [ |
| 72 | 'total_time' => 0, |
| 73 | ]; |
| 74 | |
| 75 | /** |
| 76 | * Whether to do only an explain on the query |
| 77 | */ |
| 78 | protected bool $explain = FALSE; |
| 79 | |
| 80 | /** |
| 81 | * Whether to return data from a modification query |
| 82 | */ |
| 83 | protected bool $returning = FALSE; |
| 84 | |
| 85 | /** |
| 86 | * Query Builder state |
| 87 | */ |
| 88 | protected State $state; |
| 89 | |
| 90 | // -------------------------------------------------------------------------- |
| 91 | // ! Methods |
| 92 | // -------------------------------------------------------------------------- |
| 93 | /** |
| 94 | * Constructor |
| 95 | */ |
| 96 | public function __construct(protected ?DriverInterface $driver, protected QueryParser $parser) |
| 97 | { |
| 98 | // Create new State object |
| 99 | $this->state = new State(); |
| 100 | } |
| 101 | |
| 102 | /** |
| 103 | * Destructor |
| 104 | * @codeCoverageIgnore |
| 105 | */ |
| 106 | public function __destruct() |
| 107 | { |
| 108 | $this->driver = NULL; |
| 109 | } |
| 110 | |
| 111 | /** |
| 112 | * Calls a function further down the inheritance chain. |
| 113 | * 'Implements' methods on the driver object |
| 114 | * |
| 115 | * @throws BadMethodCallException |
| 116 | * @return mixed |
| 117 | */ |
| 118 | public function __call(string $name, array $params) |
| 119 | { |
| 120 | if (method_exists($this->driver, $name)) |
| 121 | { |
| 122 | return $this->driver->$name(...$params); |
| 123 | } |
| 124 | |
| 125 | throw new BadMethodCallException('Method does not exist'); |
| 126 | } |
| 127 | |
| 128 | /** |
| 129 | * Clear out the class variables, so the next query can be run |
| 130 | */ |
| 131 | public function resetQuery(): void |
| 132 | { |
| 133 | $this->state = new State(); |
| 134 | $this->explain = FALSE; |
| 135 | $this->returning = FALSE; |
| 136 | } |
| 137 | |
| 138 | /** |
| 139 | * Method to simplify select_ methods |
| 140 | */ |
| 141 | protected function _select(string $field, bool|string $as = FALSE): string |
| 142 | { |
| 143 | // Escape the identifiers |
| 144 | $field = $this->driver->quoteIdent($field); |
| 145 | |
| 146 | if ( ! is_string($as)) |
| 147 | { |
| 148 | // @codeCoverageIgnoreStart |
| 149 | return $field; |
| 150 | // @codeCoverageIgnoreEnd |
| 151 | } |
| 152 | |
| 153 | $as = $this->driver->quoteIdent($as); |
| 154 | |
| 155 | return "({$field}) AS {$as} "; |
| 156 | } |
| 157 | |
| 158 | /** |
| 159 | * Helper function for returning sql strings |
| 160 | */ |
| 161 | protected function _getCompile(QueryType $type, string $table, bool $reset): string |
| 162 | { |
| 163 | $sql = $this->_compile($type, $table); |
| 164 | |
| 165 | // Reset the query builder for the next query |
| 166 | if ($reset) |
| 167 | { |
| 168 | $this->resetQuery(); |
| 169 | } |
| 170 | |
| 171 | return $sql; |
| 172 | } |
| 173 | |
| 174 | /** |
| 175 | * Simplify 'like' methods |
| 176 | */ |
| 177 | protected function _like(string $field, mixed $val, LikeType $pos, string $like = 'LIKE', string $conj = 'AND'): self |
| 178 | { |
| 179 | $field = $this->driver->quoteIdent($field); |
| 180 | |
| 181 | // Add the like string into the order map |
| 182 | $like = $field . " {$like} ?"; |
| 183 | |
| 184 | if ($pos === LikeType::BEFORE) |
| 185 | { |
| 186 | $val = "%{$val}"; |
| 187 | } |
| 188 | elseif ($pos === LikeType::AFTER) |
| 189 | { |
| 190 | $val = "{$val}%"; |
| 191 | } |
| 192 | else |
| 193 | { |
| 194 | $val = "%{$val}%"; |
| 195 | } |
| 196 | |
| 197 | $conj = empty($this->state->getQueryMap()) ? ' WHERE ' : " {$conj} "; |
| 198 | $this->state->appendMap($conj, $like, MapType::LIKE); |
| 199 | |
| 200 | // Add to the values array |
| 201 | $this->state->appendWhereValues($val); |
| 202 | |
| 203 | return $this; |
| 204 | } |
| 205 | |
| 206 | /** |
| 207 | * Simplify building having clauses |
| 208 | */ |
| 209 | protected function _having(mixed $key, mixed $values = [], string $conj = 'AND'): self |
| 210 | { |
| 211 | $where = $this->_where($key, $values); |
| 212 | |
| 213 | // Create key/value placeholders |
| 214 | foreach ($where as $f => $val) |
| 215 | { |
| 216 | // Split each key by spaces, in case there |
| 217 | // is an operator such as >, <, !=, etc. |
| 218 | $fArray = explode(' ', trim($f)); |
| 219 | |
| 220 | $item = $this->driver->quoteIdent($fArray[0]); |
| 221 | |
| 222 | // Simple key value, or an operator |
| 223 | $item .= (count($fArray) === 1) ? '=?' : " {$fArray[1]} ?"; |
| 224 | |
| 225 | // Put in the having map |
| 226 | $this->state->appendHavingMap([ |
| 227 | 'conjunction' => empty($this->state->getHavingMap()) |
| 228 | ? ' HAVING ' |
| 229 | : " {$conj} ", |
| 230 | 'string' => $item, |
| 231 | ]); |
| 232 | } |
| 233 | |
| 234 | return $this; |
| 235 | } |
| 236 | |
| 237 | /** |
| 238 | * Do all the redundant stuff for where/having type methods |
| 239 | */ |
| 240 | protected function _where(mixed $key, mixed $val = []): array |
| 241 | { |
| 242 | $where = []; |
| 243 | $pairs = []; |
| 244 | |
| 245 | if (is_scalar($key)) |
| 246 | { |
| 247 | $pairs[$key] = $val; |
| 248 | } |
| 249 | else |
| 250 | { |
| 251 | $pairs = $key; |
| 252 | } |
| 253 | |
| 254 | foreach ($pairs as $k => $v) |
| 255 | { |
| 256 | $where[$k] = $v; |
| 257 | $this->state->appendWhereValues($v); |
| 258 | } |
| 259 | |
| 260 | return $where; |
| 261 | } |
| 262 | |
| 263 | /** |
| 264 | * Simplify generating where string |
| 265 | */ |
| 266 | protected function _whereString(mixed $key, mixed $values = [], string $defaultConj = 'AND'): self |
| 267 | { |
| 268 | // Create key/value placeholders |
| 269 | foreach ($this->_where($key, $values) as $f => $val) |
| 270 | { |
| 271 | $queryMap = $this->state->getQueryMap(); |
| 272 | |
| 273 | // Split each key by spaces, in case there |
| 274 | // is an operator such as >, <, !=, etc. |
| 275 | $fArray = explode(' ', trim($f)); |
| 276 | |
| 277 | $item = $this->driver->quoteIdent($fArray[0]); |
| 278 | |
| 279 | // Simple key value, or an operator |
| 280 | $item .= (count($fArray) === 1) ? '=?' : " {$fArray[1]} ?"; |
| 281 | $lastItem = end($queryMap); |
| 282 | |
| 283 | // Determine the correct conjunction |
| 284 | $conjunctionList = array_column($queryMap, 'conjunction'); |
| 285 | if (empty($queryMap) || ( ! regexInArray($conjunctionList, "/^ ?\n?WHERE/i"))) |
| 286 | { |
| 287 | $conj = "\nWHERE "; |
| 288 | } |
| 289 | elseif ($lastItem['type'] === MapType::GROUP_START) |
| 290 | { |
| 291 | $conj = ''; |
| 292 | } |
| 293 | else |
| 294 | { |
| 295 | $conj = " {$defaultConj} "; |
| 296 | } |
| 297 | |
| 298 | $this->state->appendMap($conj, $item, MapType::WHERE); |
| 299 | } |
| 300 | |
| 301 | return $this; |
| 302 | } |
| 303 | |
| 304 | /** |
| 305 | * Simplify where_in methods |
| 306 | * |
| 307 | * @param string $in - The (not) in fragment |
| 308 | * @param string $conj - The where in conjunction |
| 309 | */ |
| 310 | protected function _whereIn(mixed $key, mixed $val = [], string $in = 'IN', string $conj = 'AND'): self |
| 311 | { |
| 312 | $key = $this->driver->quoteIdent($key); |
| 313 | $params = array_fill(0, is_countable($val) ? count($val) : 0, '?'); |
| 314 | $this->state->appendWhereValues($val); |
| 315 | |
| 316 | $conjunction = empty($this->state->getQueryMap()) ? ' WHERE ' : " {$conj} "; |
| 317 | $str = $key . " {$in} (" . implode(',', $params) . ') '; |
| 318 | |
| 319 | $this->state->appendMap($conjunction, $str, MapType::WHERE_IN); |
| 320 | |
| 321 | return $this; |
| 322 | } |
| 323 | |
| 324 | /** |
| 325 | * Executes the compiled query |
| 326 | */ |
| 327 | protected function _run(QueryType $type, string $table, ?string $sql = NULL, ?array $vals = NULL, bool $reset = TRUE): PDOStatement |
| 328 | { |
| 329 | if ($sql === NULL) |
| 330 | { |
| 331 | $sql = $this->_compile($type, $table); |
| 332 | } |
| 333 | |
| 334 | if ($vals === NULL) |
| 335 | { |
| 336 | $vals = array_merge($this->state->getValues(), $this->state->getWhereValues()); |
| 337 | } |
| 338 | |
| 339 | $startTime = microtime(TRUE); |
| 340 | |
| 341 | $res = empty($vals) |
| 342 | ? $this->driver->query($sql) |
| 343 | : $this->driver->prepareExecute($sql, $vals); |
| 344 | |
| 345 | $endTime = microtime(TRUE); |
| 346 | $totalTime = number_format($endTime - $startTime, 5); |
| 347 | |
| 348 | // Add this query to the list of executed queries |
| 349 | $this->_appendQuery($vals, $sql, (int) $totalTime); |
| 350 | |
| 351 | // Reset class state for next query |
| 352 | if ($reset) |
| 353 | { |
| 354 | $this->resetQuery(); |
| 355 | } |
| 356 | |
| 357 | return $res; |
| 358 | } |
| 359 | |
| 360 | /** |
| 361 | * Convert the prepared statement into readable sql |
| 362 | */ |
| 363 | protected function _appendQuery(array $values, string $sql, int $totalTime): void |
| 364 | { |
| 365 | $evals = is_array($values) ? $values : []; |
| 366 | $esql = str_replace('?', '%s', $sql); |
| 367 | |
| 368 | // Quote string values |
| 369 | foreach ($evals as &$v) |
| 370 | { |
| 371 | $v = (is_numeric($v)) |
| 372 | ? $v |
| 373 | : htmlentities($this->driver->quote($v), ENT_NOQUOTES, 'utf-8'); |
| 374 | } |
| 375 | unset($v); |
| 376 | |
| 377 | // Add the query onto the array of values to pass |
| 378 | // as arguments to sprintf |
| 379 | array_unshift($evals, $esql); |
| 380 | |
| 381 | // Add the interpreted query to the list of executed queries |
| 382 | $this->queries[] = [ |