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<?php |
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declare(strict_types=1); |
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namespace PhpMyAdmin\SqlParser\Components; |
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use PhpMyAdmin\SqlParser\Component; |
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use PhpMyAdmin\SqlParser\Context; |
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use function implode; |
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use function trim; |
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/** |
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* Parses the definition of a key. |
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* |
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* Used for parsing `CREATE TABLE` statement. |
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*/ |
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final class Key implements Component |
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{ |
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/** |
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* The name of this key. |
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* |
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* @var string |
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*/ |
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public $name; |
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/** |
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* The key columns |
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* |
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* @var array<int, array<string, int|string>> |
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* @phpstan-var array{name?: string, length?: int, order?: string}[] |
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*/ |
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public $columns; |
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/** |
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* The type of this key. |
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* |
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* @var string |
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*/ |
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public $type; |
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/** |
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* The expression if the Key is not using column names |
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* |
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* @var string|null |
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*/ |
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public $expr = null; |
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/** |
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* The options of this key or null if none where found. |
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* |
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* @var OptionsArray|null |
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*/ |
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public $options; |
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/** |
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* @param string $name the name of the key |
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* @param array<int, array<string, int|string>> $columns the columns covered by this key |
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* @param string $type the type of this key |
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* @param OptionsArray $options the options of this key |
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* @phpstan-param array{name?: string, length?: int, order?: string}[] $columns |
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*/ |
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public function __construct( |
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string|null $name = null, |
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array $columns = [], |
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string|null $type = null, |
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OptionsArray|null $options = null, |
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) { |
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$this->name = $name; |
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$this->columns = $columns; |
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$this->type = $type; |
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$this->options = $options; |
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} |
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public function build(): string |
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{ |
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$ret = $this->type . ' '; |
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if (! empty($this->name)) { |
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$ret .= Context::escape($this->name) . ' '; |
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} |
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if ($this->expr !== null) { |
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return $ret . '(' . $this->expr . ') ' . $this->options; |
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} |
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$columns = []; |
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foreach ($this->columns as $column) { |
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$tmp = ''; |
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if (isset($column['name'])) { |
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$tmp .= Context::escape($column['name']); |
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} |
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if (isset($column['length'])) { |
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$tmp .= '(' . $column['length'] . ')'; |
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} |
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if (isset($column['order'])) { |
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$tmp .= ' ' . $column['order']; |
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} |
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$columns[] = $tmp; |
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} |
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$ret .= '(' . implode(',', $columns) . ') ' . $this->options; |
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return trim($ret); |
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} |
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public function __toString(): string |
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{ |
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return $this->build(); |
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} |
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} |
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phpmyadmin /
sql-parser
