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Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
Complex classes like PageLinkProductsTableMap often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use PageLinkProductsTableMap, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 29 | View Code Duplication | class PageLinkProductsTableMap extends TableMap |
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| 30 | { |
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| 31 | use InstancePoolTrait; |
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| 32 | use TableMapTrait; |
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| 33 | |||
| 34 | /** |
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| 35 | * The (dot-path) name of this class |
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| 36 | */ |
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| 37 | const CLASS_NAME = 'mod_link.models.Map.PageLinkProductsTableMap'; |
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| 38 | |||
| 39 | /** |
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| 40 | * The default database name for this class |
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| 41 | */ |
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| 42 | const DATABASE_NAME = 'Shop'; |
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| 43 | |||
| 44 | /** |
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| 45 | * The table name for this class |
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| 46 | */ |
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| 47 | const TABLE_NAME = 'page_link_products'; |
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| 48 | |||
| 49 | /** |
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| 50 | * The related Propel class for this table |
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| 51 | */ |
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| 52 | const OM_CLASS = '\\mod_link\\models\\PageLinkProducts'; |
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| 53 | |||
| 54 | /** |
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| 55 | * A class that can be returned by this tableMap |
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| 56 | */ |
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| 57 | const CLASS_DEFAULT = 'mod_link.models.PageLinkProducts'; |
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| 58 | |||
| 59 | /** |
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| 60 | * The total number of columns |
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| 61 | */ |
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| 62 | const NUM_COLUMNS = 2; |
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| 63 | |||
| 64 | /** |
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| 65 | * The number of lazy-loaded columns |
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| 66 | */ |
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| 67 | const NUM_LAZY_LOAD_COLUMNS = 0; |
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| 68 | |||
| 69 | /** |
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| 70 | * The number of columns to hydrate (NUM_COLUMNS - NUM_LAZY_LOAD_COLUMNS) |
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| 71 | */ |
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| 72 | const NUM_HYDRATE_COLUMNS = 2; |
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| 73 | |||
| 74 | /** |
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| 75 | * the column name for the link_id field |
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| 76 | */ |
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| 77 | const COL_LINK_ID = 'page_link_products.link_id'; |
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| 78 | |||
| 79 | /** |
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| 80 | * the column name for the product_id field |
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| 81 | */ |
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| 82 | const COL_PRODUCT_ID = 'page_link_products.product_id'; |
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| 83 | |||
| 84 | /** |
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| 85 | * The default string format for model objects of the related table |
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| 86 | */ |
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| 87 | const DEFAULT_STRING_FORMAT = 'YAML'; |
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| 88 | |||
| 89 | /** |
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| 90 | * holds an array of fieldnames |
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| 91 | * |
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| 92 | * first dimension keys are the type constants |
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| 93 | * e.g. self::$fieldNames[self::TYPE_PHPNAME][0] = 'Id' |
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| 94 | */ |
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| 95 | protected static $fieldNames = array ( |
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| 96 | self::TYPE_PHPNAME => array('LinkId', 'ProductId', ), |
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| 97 | self::TYPE_CAMELNAME => array('linkId', 'productId', ), |
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| 98 | self::TYPE_COLNAME => array(PageLinkProductsTableMap::COL_LINK_ID, PageLinkProductsTableMap::COL_PRODUCT_ID, ), |
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| 99 | self::TYPE_FIELDNAME => array('link_id', 'product_id', ), |
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| 100 | self::TYPE_NUM => array(0, 1, ) |
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| 101 | ); |
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| 102 | |||
| 103 | /** |
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| 104 | * holds an array of keys for quick access to the fieldnames array |
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| 105 | * |
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| 106 | * first dimension keys are the type constants |
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| 107 | * e.g. self::$fieldKeys[self::TYPE_PHPNAME]['Id'] = 0 |
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| 108 | */ |
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| 109 | protected static $fieldKeys = array ( |
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| 110 | self::TYPE_PHPNAME => array('LinkId' => 0, 'ProductId' => 1, ), |
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| 111 | self::TYPE_CAMELNAME => array('linkId' => 0, 'productId' => 1, ), |
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| 112 | self::TYPE_COLNAME => array(PageLinkProductsTableMap::COL_LINK_ID => 0, PageLinkProductsTableMap::COL_PRODUCT_ID => 1, ), |
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| 113 | self::TYPE_FIELDNAME => array('link_id' => 0, 'product_id' => 1, ), |
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| 114 | self::TYPE_NUM => array(0, 1, ) |
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| 115 | ); |
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| 116 | |||
| 117 | /** |
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| 118 | * Initialize the table attributes and columns |
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| 119 | * Relations are not initialized by this method since they are lazy loaded |
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| 120 | * |
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| 121 | * @return void |
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| 122 | * @throws PropelException |
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| 123 | */ |
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| 124 | public function initialize() |
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| 138 | |||
| 139 | /** |
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| 140 | * Build the RelationMap objects for this table relationships |
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| 141 | */ |
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| 142 | public function buildRelations() |
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| 152 | |||
| 153 | /** |
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| 154 | * Adds an object to the instance pool. |
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| 155 | * |
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| 156 | * Propel keeps cached copies of objects in an instance pool when they are retrieved |
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| 157 | * from the database. In some cases you may need to explicitly add objects |
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| 158 | * to the cache in order to ensure that the same objects are always returned by find*() |
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| 159 | * and findPk*() calls. |
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| 160 | * |
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| 161 | * @param \mod_link\models\PageLinkProducts $obj A \mod_link\models\PageLinkProducts object. |
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| 162 | * @param string $key (optional) key to use for instance map (for performance boost if key was already calculated externally). |
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| 163 | */ |
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| 164 | public static function addInstanceToPool($obj, $key = null) |
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| 173 | |||
| 174 | /** |
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| 175 | * Removes an object from the instance pool. |
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| 176 | * |
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| 177 | * Propel keeps cached copies of objects in an instance pool when they are retrieved |
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| 178 | * from the database. In some cases -- especially when you override doDelete |
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| 179 | * methods in your stub classes -- you may need to explicitly remove objects |
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| 180 | * from the cache in order to prevent returning objects that no longer exist. |
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| 181 | * |
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| 182 | * @param mixed $value A \mod_link\models\PageLinkProducts object or a primary key value. |
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| 183 | */ |
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| 184 | public static function removeInstanceFromPool($value) |
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| 205 | |||
| 206 | /** |
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| 207 | * Retrieves a string version of the primary key from the DB resultset row that can be used to uniquely identify a row in this table. |
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| 208 | * |
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| 209 | * For tables with a single-column primary key, that simple pkey value will be returned. For tables with |
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| 210 | * a multi-column primary key, a serialize()d version of the primary key will be returned. |
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| 211 | * |
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| 212 | * @param array $row resultset row. |
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| 213 | * @param int $offset The 0-based offset for reading from the resultset row. |
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| 214 | * @param string $indexType One of the class type constants TableMap::TYPE_PHPNAME, TableMap::TYPE_CAMELNAME |
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| 215 | * TableMap::TYPE_COLNAME, TableMap::TYPE_FIELDNAME, TableMap::TYPE_NUM |
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| 216 | * |
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| 217 | * @return string The primary key hash of the row |
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| 218 | */ |
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| 219 | public static function getPrimaryKeyHashFromRow($row, $offset = 0, $indexType = TableMap::TYPE_NUM) |
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| 228 | |||
| 229 | /** |
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| 230 | * Retrieves the primary key from the DB resultset row |
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| 231 | * For tables with a single-column primary key, that simple pkey value will be returned. For tables with |
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| 232 | * a multi-column primary key, an array of the primary key columns will be returned. |
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| 233 | * |
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| 234 | * @param array $row resultset row. |
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| 235 | * @param int $offset The 0-based offset for reading from the resultset row. |
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| 236 | * @param string $indexType One of the class type constants TableMap::TYPE_PHPNAME, TableMap::TYPE_CAMELNAME |
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| 237 | * TableMap::TYPE_COLNAME, TableMap::TYPE_FIELDNAME, TableMap::TYPE_NUM |
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| 238 | * |
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| 239 | * @return mixed The primary key of the row |
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| 240 | */ |
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| 241 | public static function getPrimaryKeyFromRow($row, $offset = 0, $indexType = TableMap::TYPE_NUM) |
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| 258 | |||
| 259 | /** |
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| 260 | * The class that the tableMap will make instances of. |
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| 261 | * |
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| 262 | * If $withPrefix is true, the returned path |
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| 263 | * uses a dot-path notation which is translated into a path |
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| 264 | * relative to a location on the PHP include_path. |
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| 265 | * (e.g. path.to.MyClass -> 'path/to/MyClass.php') |
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| 266 | * |
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| 267 | * @param boolean $withPrefix Whether or not to return the path with the class name |
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| 268 | * @return string path.to.ClassName |
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| 269 | */ |
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| 270 | public static function getOMClass($withPrefix = true) |
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| 274 | |||
| 275 | /** |
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| 276 | * Populates an object of the default type or an object that inherit from the default. |
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| 277 | * |
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| 278 | * @param array $row row returned by DataFetcher->fetch(). |
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| 279 | * @param int $offset The 0-based offset for reading from the resultset row. |
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| 280 | * @param string $indexType The index type of $row. Mostly DataFetcher->getIndexType(). |
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| 281 | One of the class type constants TableMap::TYPE_PHPNAME, TableMap::TYPE_CAMELNAME |
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| 282 | * TableMap::TYPE_COLNAME, TableMap::TYPE_FIELDNAME, TableMap::TYPE_NUM. |
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| 283 | * |
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| 284 | * @throws PropelException Any exceptions caught during processing will be |
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| 285 | * rethrown wrapped into a PropelException. |
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| 286 | * @return array (PageLinkProducts object, last column rank) |
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| 287 | */ |
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| 288 | public static function populateObject($row, $offset = 0, $indexType = TableMap::TYPE_NUM) |
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| 306 | |||
| 307 | /** |
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| 308 | * The returned array will contain objects of the default type or |
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| 309 | * objects that inherit from the default. |
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| 310 | * |
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| 311 | * @param DataFetcherInterface $dataFetcher |
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| 312 | * @return array |
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| 313 | * @throws PropelException Any exceptions caught during processing will be |
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| 314 | * rethrown wrapped into a PropelException. |
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| 315 | */ |
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| 316 | public static function populateObjects(DataFetcherInterface $dataFetcher) |
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| 341 | /** |
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| 342 | * Add all the columns needed to create a new object. |
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| 343 | * |
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| 344 | * Note: any columns that were marked with lazyLoad="true" in the |
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| 345 | * XML schema will not be added to the select list and only loaded |
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| 346 | * on demand. |
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| 347 | * |
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| 348 | * @param Criteria $criteria object containing the columns to add. |
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| 349 | * @param string $alias optional table alias |
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| 350 | * @throws PropelException Any exceptions caught during processing will be |
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| 351 | * rethrown wrapped into a PropelException. |
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| 352 | */ |
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| 353 | public static function addSelectColumns(Criteria $criteria, $alias = null) |
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| 363 | |||
| 364 | /** |
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| 365 | * Returns the TableMap related to this object. |
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| 366 | * This method is not needed for general use but a specific application could have a need. |
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| 367 | * @return TableMap |
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| 368 | * @throws PropelException Any exceptions caught during processing will be |
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| 369 | * rethrown wrapped into a PropelException. |
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| 370 | */ |
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| 371 | public static function getTableMap() |
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| 375 | |||
| 376 | /** |
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| 377 | * Add a TableMap instance to the database for this tableMap class. |
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| 378 | */ |
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| 379 | public static function buildTableMap() |
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| 386 | |||
| 387 | /** |
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| 388 | * Performs a DELETE on the database, given a PageLinkProducts or Criteria object OR a primary key value. |
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| 389 | * |
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| 390 | * @param mixed $values Criteria or PageLinkProducts object or primary key or array of primary keys |
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| 391 | * which is used to create the DELETE statement |
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| 392 | * @param ConnectionInterface $con the connection to use |
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| 393 | * @return int The number of affected rows (if supported by underlying database driver). This includes CASCADE-related rows |
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| 394 | * if supported by native driver or if emulated using Propel. |
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| 395 | * @throws PropelException Any exceptions caught during processing will be |
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| 396 | * rethrown wrapped into a PropelException. |
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| 397 | */ |
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| 398 | public static function doDelete($values, ConnectionInterface $con = null) |
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| 437 | |||
| 438 | /** |
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| 439 | * Deletes all rows from the page_link_products table. |
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| 440 | * |
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| 441 | * @param ConnectionInterface $con the connection to use |
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| 442 | * @return int The number of affected rows (if supported by underlying database driver). |
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| 443 | */ |
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| 444 | public static function doDeleteAll(ConnectionInterface $con = null) |
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| 448 | |||
| 449 | /** |
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| 450 | * Performs an INSERT on the database, given a PageLinkProducts or Criteria object. |
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| 451 | * |
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| 452 | * @param mixed $criteria Criteria or PageLinkProducts object containing data that is used to create the INSERT statement. |
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| 453 | * @param ConnectionInterface $con the ConnectionInterface connection to use |
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| 454 | * @return mixed The new primary key. |
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| 455 | * @throws PropelException Any exceptions caught during processing will be |
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| 456 | * rethrown wrapped into a PropelException. |
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| 457 | */ |
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| 458 | public static function doInsert($criteria, ConnectionInterface $con = null) |
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| 480 | |||
| 481 | } // PageLinkProductsTableMap |
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| 482 | // This is the static code needed to register the TableMap for this table with the main Propel class. |
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| 485 |
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