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<?php |
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namespace mindplay\sql\model; |
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use mindplay\sql\framework\Driver; |
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use mindplay\sql\framework\TypeProvider; |
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/** |
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* This class represents an UPDATE query. |
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*/ |
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class UpdateQuery extends ProjectionQuery |
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{ |
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/** |
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* @var mixed[] map where Column name => literal SQL expression to assign |
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*/ |
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private $assignments = []; |
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/** |
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* @param Column|string $column Column to update (or Column name) |
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* @param mixed $value value to apply |
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* |
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* @return $this |
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*/ |
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public function setValue($column, $value) |
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{ |
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View Code Duplication |
if ($column instanceof Column) { |
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$name = $this->getPlaceholder($column); |
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$quoted_name = "{$column}"; |
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} else { |
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$name = $column; |
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$quoted_name = $this->driver->quoteName($name); |
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} |
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$this->assignments[$name] = "{$quoted_name} = :{$name}"; |
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$this->bind($name, $value, $column->getType()); |
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return $this; |
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} |
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/** |
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* @param Column|string $column Column to update (or Column name) |
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* @param string $expr literal SQL expression |
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* |
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* @return $this |
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*/ |
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public function setExpr($column, $expr) |
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{ |
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View Code Duplication |
if ($column instanceof Column) { |
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$name = $this->getPlaceholder($column); |
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$quoted_name = "{$column}"; |
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} else { |
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$name = $column; |
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$quoted_name = $this->driver->quoteName($name); |
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} |
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$this->assignments[$name] = "{$quoted_name} = {$expr}"; |
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return $this; |
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} |
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/** |
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* @param array $values map where Column name => scalar values to assign |
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* |
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* @return $this |
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*/ |
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public function assign(array $values) |
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{ |
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$columns = $this->root->listColumns(); |
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foreach ($columns as $column) { |
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$name = $column->getName(); |
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if (array_key_exists($name, $values)) { |
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$this->setValue($column, $values[$name]); |
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} |
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} |
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return $this; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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View Code Duplication |
public function getSQL() |
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{ |
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$update = "UPDATE " . $this->buildNodes(); |
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$set = "\nSET " . implode(",\n ", $this->assignments); |
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$where = count($this->conditions) |
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? "\nWHERE " . $this->buildConditions() |
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: ''; // no conditions present |
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$order = count($this->order) |
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? "\nORDER BY " . $this->buildOrderTerms() |
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: ''; // no order terms |
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$limit = $this->limit !== null |
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? "\nLIMIT {$this->limit}" |
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. ($this->offset !== null ? " OFFSET {$this->offset}" : '') |
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: ''; // no limit or offset |
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return "{$update}{$set}{$where}{$order}{$limit}"; |
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} |
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/** |
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* @param Column $column |
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* |
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* @return string |
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*/ |
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private function getPlaceholder(Column $column) |
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{ |
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$table = $column->getTable(); |
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$table_name = $table->getAlias() ?: $table->getName(); |
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$column_name = $column->getName(); |
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$name = "{$table_name}_{$column_name}"; |
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return $name; |
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} |
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} |
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mindplay-dk /
sql
Loading history...
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.