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<?php |
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namespace SetBased\Audit\Metadata; |
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/** |
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* Metadata of table columns. |
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*/ |
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abstract class ColumnMetadata |
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{ |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* The properties of the column that are stored by this class. |
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* |
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* var string[] |
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*/ |
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protected static $fields = ['column_name', |
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'column_type', |
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'is_nullable', |
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'character_set_name', |
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'collation_name']; |
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/** |
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* The the properties of this table column. |
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* |
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* @var array |
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*/ |
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private $properties = []; |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Object constructor. |
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* |
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* @param array $properties The metadata of the column. |
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*/ |
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public function __construct($properties) |
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{ |
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foreach (static::$fields as $field) |
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{ |
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if (isset($properties[$field])) |
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{ |
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$this->properties[$field] = $properties[$field]; |
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} |
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} |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Compares the metadata of two columns. |
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* |
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* @param ColumnMetadata $column1 The metadata of the first column. |
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* @param ColumnMetadata $column2 The metadata of the second column. |
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* @param string[] $ignore The properties to be ignored. |
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* |
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* @return bool True if the columns are equal, false otherwise. |
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*/ |
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public static function compare($column1, $column2, $ignore = []) |
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{ |
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$equal = true; |
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foreach (static::$fields as $field) |
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{ |
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if (!in_array($field, $ignore)) |
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{ |
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if ($column1->getProperty($field)!=$column2->getProperty($field)) |
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{ |
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$equal = false; |
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} |
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} |
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} |
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return $equal; |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Returns a SQL snippet with the column definition (without column name) of this column to be used in audit tables. |
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* |
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* @return string |
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*/ |
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abstract public function getColumnAuditDefinition(); |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Returns a SQL snippet with the column definition (without column name) of this column. |
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* |
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* @return string |
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*/ |
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abstract public function getColumnDefinition(); |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Returns the name of this column. |
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* |
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* @return string |
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*/ |
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public function getName() |
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{ |
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return $this->properties['column_name']; |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Returns the properties of this table column as an array. |
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* |
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* @return array |
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*/ |
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public function getProperties() |
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{ |
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return $this->properties; |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Returns a property of this table column. |
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* |
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* @param string $name The name of the property. |
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* |
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* @return string|null |
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*/ |
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public function getProperty($name) |
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{ |
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if (isset($this->properties[$name])) |
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{ |
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return $this->properties[$name]; |
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} |
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return null; |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Returns column type info |
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* |
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* @return string |
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*/ |
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abstract public function getTypeInfo1(); |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Returns additional column type info |
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* |
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* @return string|null |
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*/ |
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abstract public function getTypeInfo2(); |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Make this column nullable. |
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*/ |
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public function makeNullable() |
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{ |
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$this->properties['is_nullable'] = 'YES'; |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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157
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* Removes the default value. |
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*/ |
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159
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public function unsetDefault() |
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{ |
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if (isset($this->properties['column_default'])) $this->properties['column_default'] = 'NULL'; |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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} |
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166
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167
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//---------------------------------------------------------------------------------------------------------------------- |
|
168
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|
|
SetBased /
php-audit
