| Code Coverage | ||||||||||
| Lines | Functions and Methods | Classes and Traits | ||||||||
| Total |  | 100.00% | 202 / 202 |  | 100.00% | 19 / 19 | CRAP |  | 100.00% | 1 / 1 | 
| Select |  | 100.00% | 202 / 202 |  | 100.00% | 19 / 19 | 60 |  | 100.00% | 1 / 1 | 
| renderOptions |  | 100.00% | 34 / 34 |  | 100.00% | 1 / 1 | 6 | |||
| expressions |  | 100.00% | 3 / 3 |  | 100.00% | 1 / 1 | 2 | |||
| columns |  | 100.00% | 1 / 1 |  | 100.00% | 1 / 1 | 1 | |||
| renderExpressions |  | 100.00% | 8 / 8 |  | 100.00% | 1 / 1 | 4 | |||
| limit |  | 100.00% | 1 / 1 |  | 100.00% | 1 / 1 | 1 | |||
| procedure |  | 100.00% | 5 / 5 |  | 100.00% | 1 / 1 | 1 | |||
| renderProcedure |  | 100.00% | 7 / 7 |  | 100.00% | 1 / 1 | 3 | |||
| intoOutfile |  | 100.00% | 7 / 7 |  | 100.00% | 1 / 1 | 1 | |||
| renderIntoOutfile |  | 100.00% | 15 / 15 |  | 100.00% | 1 / 1 | 4 | |||
| partIntoOutfileFields |  | 100.00% | 16 / 16 |  | 100.00% | 1 / 1 | 4 | |||
| partIntoOutfileLines |  | 100.00% | 14 / 14 |  | 100.00% | 1 / 1 | 4 | |||
| intoDumpfile |  | 100.00% | 5 / 5 |  | 100.00% | 1 / 1 | 1 | |||
| renderIntoDumpfile |  | 100.00% | 13 / 13 |  | 100.00% | 1 / 1 | 5 | |||
| lockForUpdate |  | 100.00% | 5 / 5 |  | 100.00% | 1 / 1 | 1 | |||
| lockInShareMode |  | 100.00% | 5 / 5 |  | 100.00% | 1 / 1 | 1 | |||
| renderLock |  | 100.00% | 10 / 10 |  | 100.00% | 1 / 1 | 4 | |||
| sql |  | 100.00% | 51 / 51 |  | 100.00% | 1 / 1 | 15 | |||
| run |  | 100.00% | 1 / 1 |  | 100.00% | 1 / 1 | 1 | |||
| runUnbuffered |  | 100.00% | 1 / 1 |  | 100.00% | 1 / 1 | 1 | |||
| 1 | <?php declare(strict_types=1); | 
| 2 | /* | 
| 3 | * This file is part of Aplus Framework Database Library. | 
| 4 | * | 
| 5 | * (c) Natan Felles <natanfelles@gmail.com> | 
| 6 | * | 
| 7 | * For the full copyright and license information, please view the LICENSE | 
| 8 | * file that was distributed with this source code. | 
| 9 | */ | 
| 10 | namespace Framework\Database\Manipulation; | 
| 11 | |
| 12 | use Closure; | 
| 13 | use Framework\Database\Result; | 
| 14 | use InvalidArgumentException; | 
| 15 | use LogicException; | 
| 16 | |
| 17 | /** | 
| 18 | * Class Select. | 
| 19 | * | 
| 20 | * @see https://mariadb.com/kb/en/select/ | 
| 21 | * | 
| 22 | * @package database | 
| 23 | */ | 
| 24 | class Select extends Statement | 
| 25 | { | 
| 26 | use Traits\Join; | 
| 27 | use Traits\GroupBy; | 
| 28 | use Traits\Having; | 
| 29 | use Traits\OrderBy; | 
| 30 | |
| 31 | /** | 
| 32 | * Option to retrieve identical rows. | 
| 33 | * | 
| 34 | * @see Select::renderOptions() | 
| 35 | * | 
| 36 | * @var string | 
| 37 | */ | 
| 38 | public const OPT_ALL = 'ALL'; | 
| 39 | /** | 
| 40 | * Option to not retrieve identical rows. Remove duplicates from the result set. | 
| 41 | * | 
| 42 | * @see Select::renderOptions() | 
| 43 | * @see https://mariadb.com/kb/en/select/#distinct | 
| 44 | * | 
| 45 | * @var string | 
| 46 | */ | 
| 47 | public const OPT_DISTINCT = 'DISTINCT'; | 
| 48 | /** | 
| 49 | * Alias of OPT_DISTINCT. | 
| 50 | * | 
| 51 | * @see Select::renderOptions() | 
| 52 | * | 
| 53 | * @var string | 
| 54 | */ | 
| 55 | public const OPT_DISTINCTROW = 'DISTINCTROW'; | 
| 56 | /** | 
| 57 | * If the table is locked, HIGH_PRIORITY will be executed as soon as the lock is released, | 
| 58 | * even if other statements are queued. | 
| 59 | * Only supports table-level locking (MyISAM, MEMORY, MERGE). | 
| 60 | * | 
| 61 | * @see Select::renderOptions() | 
| 62 | * @see https://mariadb.com/kb/en/high_priority-and-low_priority/ | 
| 63 | * | 
| 64 | * @var string | 
| 65 | */ | 
| 66 | public const OPT_HIGH_PRIORITY = 'HIGH_PRIORITY'; | 
| 67 | /** | 
| 68 | * Applicable to the JOIN queries. Tells the optimizer that | 
| 69 | * the tables must be read in the order they appear. | 
| 70 | * For const and system table this option is sometimes ignored. | 
| 71 | * | 
| 72 | * @see Select::renderOptions() | 
| 73 | * @see https://mariadb.com/kb/en/join-syntax/ | 
| 74 | * @see https://mariadb.com/kb/en/index-hints-how-to-force-query-plans/#forcing-join-order | 
| 75 | * | 
| 76 | * @var string | 
| 77 | */ | 
| 78 | public const OPT_STRAIGHT_JOIN = 'STRAIGHT_JOIN'; | 
| 79 | /** | 
| 80 | * Forces the optimizer to use a temporary table. | 
| 81 | * | 
| 82 | * @see https://mariadb.com/kb/en/optimizer-hints/#sql_small_result-sql_big_result | 
| 83 | * | 
| 84 | * @var string | 
| 85 | */ | 
| 86 | public const OPT_SQL_SMALL_RESULT = 'SQL_SMALL_RESULT'; | 
| 87 | /** | 
| 88 | * Forces the optimizer to avoid usage of a temporary table. | 
| 89 | * | 
| 90 | * @see Select::renderOptions() | 
| 91 | * @see https://mariadb.com/kb/en/optimizer-hints/#sql_small_result-sql_big_result | 
| 92 | * | 
| 93 | * @var string | 
| 94 | */ | 
| 95 | public const OPT_SQL_BIG_RESULT = 'SQL_BIG_RESULT'; | 
| 96 | /** | 
| 97 | * Forces the optimizer to use a temporary table to process the result. | 
| 98 | * This is useful to free locks as soon as possible. | 
| 99 | * | 
| 100 | * @see Select::renderOptions() | 
| 101 | * @see https://mariadb.com/kb/en/optimizer-hints/#sql_buffer_result | 
| 102 | * | 
| 103 | * @var string | 
| 104 | */ | 
| 105 | public const OPT_SQL_BUFFER_RESULT = 'SQL_BUFFER_RESULT'; | 
| 106 | /** | 
| 107 | * If the query_cache_type system variable is set to 2 or DEMAND, and the current statement is | 
| 108 | * cacheable, SQL_CACHE causes the query to be cached. | 
| 109 | * | 
| 110 | * @see Select::renderOptions() | 
| 111 | * @see https://mariadb.com/kb/en/server-system-variables/#query_cache_type | 
| 112 | * @see https://mariadb.com/kb/en/query-cache/ | 
| 113 | * | 
| 114 | * @var string | 
| 115 | */ | 
| 116 | public const OPT_SQL_CACHE = 'SQL_CACHE'; | 
| 117 | /** | 
| 118 | * If the query_cache_type system variable is set to 2 or DEMAND, and the current statement is | 
| 119 | * cacheable, SQL_NO_CACHE causes the query not to be cached. | 
| 120 | * | 
| 121 | * @see Select::renderOptions() | 
| 122 | * @see https://mariadb.com/kb/en/server-system-variables/#query_cache_type | 
| 123 | * @see https://mariadb.com/kb/en/query-cache/ | 
| 124 | * | 
| 125 | * @var string | 
| 126 | */ | 
| 127 | public const OPT_SQL_NO_CACHE = 'SQL_NO_CACHE'; | 
| 128 | /** | 
| 129 | * SQL_CALC_FOUND_ROWS is only applied when using the LIMIT clause. If this option is used, | 
| 130 | * MariaDB will count how many rows would match the query, without the LIMIT clause. | 
| 131 | * That number can be retrieved in the next query, using FOUND_ROWS(). | 
| 132 | * | 
| 133 | * @see Select::renderOptions() | 
| 134 | * @see https://mariadb.com/kb/en/found_rows/ | 
| 135 | * | 
| 136 | * @var string | 
| 137 | */ | 
| 138 | public const OPT_SQL_CALC_FOUND_ROWS = 'SQL_CALC_FOUND_ROWS'; | 
| 139 | /** | 
| 140 | * Clause to set the character of separation between fields. Default is \t. | 
| 141 | * | 
| 142 | * @see Select::intoOutfile() | 
| 143 | * | 
| 144 | * @var string | 
| 145 | */ | 
| 146 | public const EXP_FIELDS_TERMINATED_BY = 'TERMINATED BY'; | 
| 147 | /** | 
| 148 | * Clause to set the enclosure character of the fields. Default is ". | 
| 149 | * | 
| 150 | * @see Select::intoOutfile() | 
| 151 | * | 
| 152 | * @var string | 
| 153 | */ | 
| 154 | public const EXP_FIELDS_ENCLOSED_BY = 'ENCLOSED BY'; | 
| 155 | /** | 
| 156 | * @see Select::intoOutfile() | 
| 157 | * | 
| 158 | * @var string | 
| 159 | */ | 
| 160 | public const EXP_FIELDS_OPTIONALLY_ENCLOSED_BY = 'OPTIONALLY ENCLOSED BY'; | 
| 161 | /** | 
| 162 | * @see Select::intoOutfile() | 
| 163 | * | 
| 164 | * @var string | 
| 165 | */ | 
| 166 | public const EXP_FIELDS_ESCAPED_BY = 'ESCAPED BY'; | 
| 167 | /** | 
| 168 | * @see Select::intoOutfile() | 
| 169 | * | 
| 170 | * @var string | 
| 171 | */ | 
| 172 | public const EXP_LINES_STARTING_BY = 'STARTING BY'; | 
| 173 | /** | 
| 174 | * Clause to set the file End-Of-Line character. Default is \n. | 
| 175 | * | 
| 176 | * @see Select::intoOutfile() | 
| 177 | * | 
| 178 | * @var string | 
| 179 | */ | 
| 180 | public const EXP_LINES_TERMINATED_BY = 'TERMINATED BY'; | 
| 181 | |
| 182 | protected function renderOptions() : ?string | 
| 183 | { | 
| 184 | if ( ! $this->hasOptions()) { | 
| 185 | return null; | 
| 186 | } | 
| 187 | $options = $this->sql['options']; | 
| 188 | foreach ($options as &$option) { | 
| 189 | $input = $option; | 
| 190 | $option = \strtoupper($option); | 
| 191 | if ( ! \in_array($option, [ | 
| 192 | static::OPT_ALL, | 
| 193 | static::OPT_DISTINCT, | 
| 194 | static::OPT_DISTINCTROW, | 
| 195 | static::OPT_HIGH_PRIORITY, | 
| 196 | static::OPT_STRAIGHT_JOIN, | 
| 197 | static::OPT_SQL_SMALL_RESULT, | 
| 198 | static::OPT_SQL_BIG_RESULT, | 
| 199 | static::OPT_SQL_BUFFER_RESULT, | 
| 200 | static::OPT_SQL_CACHE, | 
| 201 | static::OPT_SQL_NO_CACHE, | 
| 202 | static::OPT_SQL_CALC_FOUND_ROWS, | 
| 203 | ], true)) { | 
| 204 | throw new InvalidArgumentException("Invalid option: {$input}"); | 
| 205 | } | 
| 206 | } | 
| 207 | unset($option); | 
| 208 | $intersection = \array_intersect( | 
| 209 | $options, | 
| 210 | [static::OPT_ALL, static::OPT_DISTINCT, static::OPT_DISTINCTROW] | 
| 211 | ); | 
| 212 | if (\count($intersection) > 1) { | 
| 213 | throw new LogicException('Options ALL and DISTINCT can not be used together'); | 
| 214 | } | 
| 215 | $intersection = \array_intersect( | 
| 216 | $options, | 
| 217 | [static::OPT_SQL_CACHE, static::OPT_SQL_NO_CACHE] | 
| 218 | ); | 
| 219 | if (\count($intersection) > 1) { | 
| 220 | throw new LogicException('Options SQL_CACHE and SQL_NO_CACHE can not be used together'); | 
| 221 | } | 
| 222 | return \implode(' ', $options); | 
| 223 | } | 
| 224 | |
| 225 | /** | 
| 226 | * Set expressions. | 
| 227 | * | 
| 228 | * Generally used with the FROM clause as column names. | 
| 229 | * | 
| 230 | * @param array<string,Closure|string>|Closure|string $expression | 
| 231 | * @param array<string,Closure|string>|Closure|string ...$expressions | 
| 232 | * | 
| 233 | * @see https://mariadb.com/kb/en/select/#select-expressions | 
| 234 | * | 
| 235 | * @return static | 
| 236 | */ | 
| 237 | public function expressions( | 
| 238 | array | Closure | string $expression, | 
| 239 | array | Closure | string ...$expressions | 
| 240 | ) : static { | 
| 241 | foreach ([$expression, ...$expressions] as $expression) { | 
| 242 | $this->sql['expressions'][] = $expression; | 
| 243 | } | 
| 244 | return $this; | 
| 245 | } | 
| 246 | |
| 247 | /** | 
| 248 | * Alias of the expressions method. | 
| 249 | * | 
| 250 | * @param array<string,Closure|string>|Closure|string $expression | 
| 251 | * @param array<string,Closure|string>|Closure|string ...$expressions | 
| 252 | * | 
| 253 | * @return static | 
| 254 | */ | 
| 255 | public function columns( | 
| 256 | array | Closure | string $expression, | 
| 257 | array | Closure | string ...$expressions | 
| 258 | ) : static { | 
| 259 | return $this->expressions($expression, ...$expressions); | 
| 260 | } | 
| 261 | |
| 262 | protected function renderExpressions() : ?string | 
| 263 | { | 
| 264 | if ( ! isset($this->sql['expressions'])) { | 
| 265 | if ($this->hasFrom()) { | 
| 266 | return ' *'; | 
| 267 | } | 
| 268 | return null; | 
| 269 | } | 
| 270 | $expressions = []; | 
| 271 | foreach ($this->sql['expressions'] as $expression) { | 
| 272 | $expressions[] = $this->renderAliasedIdentifier($expression); | 
| 273 | } | 
| 274 | return ' ' . \implode(', ', $expressions); | 
| 275 | } | 
| 276 | |
| 277 | /** | 
| 278 | * Sets the LIMIT clause. | 
| 279 | * | 
| 280 | * @param int $limit | 
| 281 | * @param int|null $offset | 
| 282 | * | 
| 283 | * @see https://mariadb.com/kb/en/limit/ | 
| 284 | * | 
| 285 | * @return static | 
| 286 | */ | 
| 287 | public function limit(int $limit, int $offset = null) : static | 
| 288 | { | 
| 289 | return $this->setLimit($limit, $offset); | 
| 290 | } | 
| 291 | |
| 292 | /** | 
| 293 | * @param string $name | 
| 294 | * @param bool|float|int|string|null ...$arguments | 
| 295 | * | 
| 296 | * @see https://mariadb.com/kb/en/procedure/ | 
| 297 | * | 
| 298 | * @return static | 
| 299 | */ | 
| 300 | public function procedure(string $name, bool | float | int | string | null ...$arguments) : static | 
| 301 | { | 
| 302 | $this->sql['procedure'] = [ | 
| 303 | 'name' => $name, | 
| 304 | 'arguments' => $arguments, | 
| 305 | ]; | 
| 306 | return $this; | 
| 307 | } | 
| 308 | |
| 309 | protected function renderProcedure() : ?string | 
| 310 | { | 
| 311 | if ( ! isset($this->sql['procedure'])) { | 
| 312 | return null; | 
| 313 | } | 
| 314 | $arguments = []; | 
| 315 | foreach ($this->sql['procedure']['arguments'] as $argument) { | 
| 316 | $arguments[] = $this->database->quote($argument); | 
| 317 | } | 
| 318 | $arguments = \implode(', ', $arguments); | 
| 319 | return " PROCEDURE {$this->sql['procedure']['name']}({$arguments})"; | 
| 320 | } | 
| 321 | |
| 322 | /** | 
| 323 | * Exports the result to an external file. | 
| 324 | * | 
| 325 | * @param string $filename | 
| 326 | * @param string|null $charset | 
| 327 | * @param array<string,string> $fieldsOptions Each key must be one of the EXP_FIELDS_* constants | 
| 328 | * @param array<string,string> $linesOptions Each key must be one of the EXP_LINES_* constants | 
| 329 | * | 
| 330 | * @see https://mariadb.com/kb/en/select-into-outfile/ | 
| 331 | * | 
| 332 | * @return static | 
| 333 | */ | 
| 334 | public function intoOutfile( | 
| 335 | string $filename, | 
| 336 | string $charset = null, | 
| 337 | array $fieldsOptions = [], | 
| 338 | array $linesOptions = [] | 
| 339 | ) : static { | 
| 340 | $this->sql['into_outfile'] = [ | 
| 341 | 'filename' => $filename, | 
| 342 | 'charset' => $charset, | 
| 343 | 'fields_options' => $fieldsOptions, | 
| 344 | 'lines_options' => $linesOptions, | 
| 345 | ]; | 
| 346 | return $this; | 
| 347 | } | 
| 348 | |
| 349 | protected function renderIntoOutfile() : ?string | 
| 350 | { | 
| 351 | if ( ! isset($this->sql['into_outfile'])) { | 
| 352 | return null; | 
| 353 | } | 
| 354 | if (\is_file($this->sql['into_outfile']['filename'])) { | 
| 355 | throw new LogicException( | 
| 356 | "INTO OUTFILE filename must not exist: {$this->sql['into_outfile']['filename']}" | 
| 357 | ); | 
| 358 | } | 
| 359 | $definition = $this->database->quote($this->sql['into_outfile']['filename']); | 
| 360 | if ($this->sql['into_outfile']['charset']) { | 
| 361 | $definition .= ' CHARACTER SET ' | 
| 362 | . $this->database->quote( | 
| 363 | $this->sql['into_outfile']['charset'] | 
| 364 | ); | 
| 365 | } | 
| 366 | $definition .= $this->partIntoOutfileFields(); | 
| 367 | $definition .= $this->partIntoOutfileLines(); | 
| 368 | return " INTO OUTFILE {$definition}"; | 
| 369 | } | 
| 370 | |
| 371 | private function partIntoOutfileFields() : ?string | 
| 372 | { | 
| 373 | $definition = null; | 
| 374 | if ($this->sql['into_outfile']['fields_options']) { | 
| 375 | $definition .= ' FIELDS'; | 
| 376 | foreach ($this->sql['into_outfile']['fields_options'] as $option => $value) { | 
| 377 | $fieldsOption = \strtoupper($option); | 
| 378 | if ( ! \in_array($fieldsOption, [ | 
| 379 | static::EXP_FIELDS_TERMINATED_BY, | 
| 380 | static::EXP_FIELDS_ENCLOSED_BY, | 
| 381 | static::EXP_FIELDS_OPTIONALLY_ENCLOSED_BY, | 
| 382 | static::EXP_FIELDS_ESCAPED_BY, | 
| 383 | ], true)) { | 
| 384 | throw new InvalidArgumentException( | 
| 385 | "Invalid INTO OUTFILE fields option: {$option}" | 
| 386 | ); | 
| 387 | } | 
| 388 | $definition .= " {$fieldsOption} " . $this->database->quote($value); | 
| 389 | } | 
| 390 | } | 
| 391 | return $definition; | 
| 392 | } | 
| 393 | |
| 394 | private function partIntoOutfileLines() : ?string | 
| 395 | { | 
| 396 | $definition = null; | 
| 397 | if ($this->sql['into_outfile']['lines_options']) { | 
| 398 | $definition .= ' LINES'; | 
| 399 | foreach ($this->sql['into_outfile']['lines_options'] as $option => $value) { | 
| 400 | $linesOption = \strtoupper($option); | 
| 401 | if ( ! \in_array($linesOption, [ | 
| 402 | static::EXP_LINES_STARTING_BY, | 
| 403 | static::EXP_LINES_TERMINATED_BY, | 
| 404 | ], true)) { | 
| 405 | throw new InvalidArgumentException( | 
| 406 | "Invalid INTO OUTFILE lines option: {$option}" | 
| 407 | ); | 
| 408 | } | 
| 409 | $definition .= " {$linesOption} " . $this->database->quote($value); | 
| 410 | } | 
| 411 | } | 
| 412 | return $definition; | 
| 413 | } | 
| 414 | |
| 415 | /** | 
| 416 | * @param string $filepath | 
| 417 | * @param string ...$variables | 
| 418 | * | 
| 419 | * @see https://mariadb.com/kb/en/select-into-dumpfile/ | 
| 420 | * | 
| 421 | * @return static | 
| 422 | */ | 
| 423 | public function intoDumpfile(string $filepath, string ...$variables) : static | 
| 424 | { | 
| 425 | $this->sql['into_dumpfile'] = [ | 
| 426 | 'filepath' => $filepath, | 
| 427 | 'variables' => $variables, | 
| 428 | ]; | 
| 429 | return $this; | 
| 430 | } | 
| 431 | |
| 432 | protected function renderIntoDumpfile() : ?string | 
| 433 | { | 
| 434 | if ( ! isset($this->sql['into_dumpfile'])) { | 
| 435 | return null; | 
| 436 | } | 
| 437 | if (\is_file($this->sql['into_dumpfile']['filepath'])) { | 
| 438 | throw new LogicException( | 
| 439 | "INTO DUMPFILE filepath must not exist: {$this->sql['into_dumpfile']['filepath']}" | 
| 440 | ); | 
| 441 | } | 
| 442 | $definition = $this->database->quote($this->sql['into_dumpfile']['filepath']); | 
| 443 | if ($this->sql['into_dumpfile']['variables']) { | 
| 444 | $variables = []; | 
| 445 | foreach ($this->sql['into_dumpfile']['variables'] as $variable) { | 
| 446 | $variables[] = "@{$variable}"; | 
| 447 | } | 
| 448 | $definition .= ' INTO ' . \implode(', ', $variables); | 
| 449 | } | 
| 450 | return " INTO DUMPFILE {$definition}"; | 
| 451 | } | 
| 452 | |
| 453 | /** | 
| 454 | * @param int|null $wait | 
| 455 | * | 
| 456 | * @see https://mariadb.com/kb/en/for-update/ | 
| 457 | * | 
| 458 | * @return static | 
| 459 | */ | 
| 460 | public function lockForUpdate(int $wait = null) : static | 
| 461 | { | 
| 462 | $this->sql['lock'] = [ | 
| 463 | 'type' => 'FOR UPDATE', | 
| 464 | 'wait' => $wait, | 
| 465 | ]; | 
| 466 | return $this; | 
| 467 | } | 
| 468 | |
| 469 | /** | 
| 470 | * @param int|null $wait | 
| 471 | * | 
| 472 | * @see https://mariadb.com/kb/en/lock-in-share-mode/ | 
| 473 | * | 
| 474 | * @return static | 
| 475 | */ | 
| 476 | public function lockInShareMode(int $wait = null) : static | 
| 477 | { | 
| 478 | $this->sql['lock'] = [ | 
| 479 | 'type' => 'LOCK IN SHARE MODE', | 
| 480 | 'wait' => $wait, | 
| 481 | ]; | 
| 482 | return $this; | 
| 483 | } | 
| 484 | |
| 485 | protected function renderLock() : ?string | 
| 486 | { | 
| 487 | if ( ! isset($this->sql['lock'])) { | 
| 488 | return null; | 
| 489 | } | 
| 490 | $wait = ''; | 
| 491 | if ($this->sql['lock']['wait'] !== null) { | 
| 492 | if ($this->sql['lock']['wait'] < 0) { | 
| 493 | throw new InvalidArgumentException( | 
| 494 | "Invalid {$this->sql['lock']['type']} WAIT value: {$this->sql['lock']['wait']}" | 
| 495 | ); | 
| 496 | } | 
| 497 | $wait .= " WAIT {$this->sql['lock']['wait']}"; | 
| 498 | } | 
| 499 | return " {$this->sql['lock']['type']}{$wait}"; | 
| 500 | } | 
| 501 | |
| 502 | /** | 
| 503 | * Renders the SELECT statement. | 
| 504 | * | 
| 505 | * @return string | 
| 506 | */ | 
| 507 | public function sql() : string | 
| 508 | { | 
| 509 | $sql = 'SELECT' . \PHP_EOL; | 
| 510 | $part = $this->renderOptions(); | 
| 511 | if ($part) { | 
| 512 | $sql .= $part . \PHP_EOL; | 
| 513 | } | 
| 514 | $part = $this->renderExpressions(); | 
| 515 | if ($part) { | 
| 516 | $sql .= $part . \PHP_EOL; | 
| 517 | } | 
| 518 | $part = $this->renderFrom(); | 
| 519 | if ($part) { | 
| 520 | $sql .= $part . \PHP_EOL; | 
| 521 | } | 
| 522 | $part = $this->renderJoin(); | 
| 523 | if ($part) { | 
| 524 | $sql .= $part . \PHP_EOL; | 
| 525 | } | 
| 526 | $part = $this->renderWhere(); | 
| 527 | if ($part) { | 
| 528 | $this->hasFrom('WHERE'); | 
| 529 | $sql .= $part . \PHP_EOL; | 
| 530 | } | 
| 531 | $part = $this->renderGroupBy(); | 
| 532 | if ($part) { | 
| 533 | $this->hasFrom('GROUP BY'); | 
| 534 | $sql .= $part . \PHP_EOL; | 
| 535 | } | 
| 536 | $part = $this->renderHaving(); | 
| 537 | if ($part) { | 
| 538 | $this->hasFrom('HAVING'); | 
| 539 | $sql .= $part . \PHP_EOL; | 
| 540 | } | 
| 541 | $part = $this->renderOrderBy(); | 
| 542 | if ($part) { | 
| 543 | $this->hasFrom('ORDER BY'); | 
| 544 | $sql .= $part . \PHP_EOL; | 
| 545 | } | 
| 546 | $part = $this->renderLimit(); | 
| 547 | if ($part) { | 
| 548 | $this->hasFrom('LIMIT'); | 
| 549 | $sql .= $part . \PHP_EOL; | 
| 550 | } | 
| 551 | $part = $this->renderProcedure(); | 
| 552 | if ($part) { | 
| 553 | $this->hasFrom('PROCEDURE'); | 
| 554 | $sql .= $part . \PHP_EOL; | 
| 555 | } | 
| 556 | $part = $this->renderIntoOutfile(); | 
| 557 | if ($part) { | 
| 558 | $this->hasFrom('INTO OUTFILE'); | 
| 559 | $sql .= $part . \PHP_EOL; | 
| 560 | } | 
| 561 | $part = $this->renderIntoDumpfile(); | 
| 562 | if ($part) { | 
| 563 | $intoDump = true; | 
| 564 | $sql .= $part . \PHP_EOL; | 
| 565 | } | 
| 566 | $part = $this->renderLock(); | 
| 567 | if ($part) { | 
| 568 | if (empty($intoDump)) { | 
| 569 | $this->hasFrom($this->sql['lock']['type']); | 
| 570 | } | 
| 571 | $sql .= $part . \PHP_EOL; | 
| 572 | } | 
| 573 | return $sql; | 
| 574 | } | 
| 575 | |
| 576 | /** | 
| 577 | * Runs the SELECT statement. | 
| 578 | * | 
| 579 | * @return Result | 
| 580 | */ | 
| 581 | public function run() : Result | 
| 582 | { | 
| 583 | return $this->database->query($this->sql()); | 
| 584 | } | 
| 585 | |
| 586 | /** | 
| 587 | * Runs the SELECT statement unbuffered. | 
| 588 | * | 
| 589 | * @return Result | 
| 590 | */ | 
| 591 | public function runUnbuffered() : Result | 
| 592 | { | 
| 593 | return $this->database->query($this->sql(), false); | 
| 594 | } | 
| 595 | } |