1 | <?php |
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21 | class ReferenceExpression implements ExpressionInterface |
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22 | { |
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23 | use Attributes; |
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24 | |||
25 | const OPTION_NO_ACTION = 0; |
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26 | const OPTION_RESTRICT = 1; |
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27 | const OPTION_CASCADE = 2; |
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28 | const OPTION_SET_NULL = 3; |
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29 | |||
30 | /** @var string */ |
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31 | protected $table; |
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32 | |||
33 | /** @var array */ |
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34 | protected $columns; |
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35 | |||
36 | /** |
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37 | * @param string $table |
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38 | * @param array $columns |
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39 | * @param array $attributes |
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40 | */ |
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41 | 2 | public function __construct($table, array $columns, array $attributes = []) |
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47 | |||
48 | /** |
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49 | * {@inheritdoc} |
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50 | */ |
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51 | 2 | public function toSql() |
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52 | { |
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53 | 2 | $sqlToReturn = "REFERENCES `{$this->table}`"; |
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54 | 2 | $sqlToReturn .= '(' . Helper::arrayImplode(', ', $this->columns, '`', '`') . ')'; |
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55 | 2 | if (isset($this->attributes['on_delete'])) { |
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56 | 1 | switch ($this->attributes['on_delete']) { |
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57 | 1 | case static::OPTION_NO_ACTION: |
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58 | $sqlToReturn .= ' ON DELETE NO ACTION'; break; |
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59 | 1 | case static::OPTION_RESTRICT: |
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60 | $sqlToReturn .= ' ON DELETE RESTRICT'; break; |
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61 | 1 | case static::OPTION_CASCADE: |
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62 | $sqlToReturn .= ' ON DELETE CASCADE'; break; |
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63 | 1 | case static::OPTION_SET_NULL: |
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64 | 1 | $sqlToReturn .= ' ON DELETE SET NULL'; break; |
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65 | } |
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66 | } |
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67 | 2 | if (isset($this->attributes['on_update'])) { |
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68 | 1 | switch ($this->attributes['on_update']) { |
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69 | 1 | case static::OPTION_NO_ACTION: |
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70 | $sqlToReturn .= ' ON UPDATE NO ACTION'; break; |
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71 | 1 | case static::OPTION_RESTRICT: |
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72 | $sqlToReturn .= ' ON UPDATE RESTRICT'; break; |
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73 | 1 | case static::OPTION_CASCADE: |
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74 | 1 | $sqlToReturn .= ' ON UPDATE CASCADE'; break; |
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75 | case static::OPTION_SET_NULL: |
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76 | $sqlToReturn .= ' ON UPDATE SET NULL'; break; |
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77 | } |
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78 | } |
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79 | 2 | return $sqlToReturn; |
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80 | } |
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81 | |||
82 | /** |
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83 | * {@inheritdoc} |
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84 | */ |
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85 | public function getBindings() |
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89 | } |
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90 |
As per the PSR-2 coding standard, the
break
(or other terminating) statement must be on a line of its own.To learn more about the PSR-2 coding standard, please refer to the PHP-Fig.