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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Db\Schema; |
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use Yiisoft\Db\Expression\ExpressionInterface; |
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/** |
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* @example |
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* (new Query)->select('col1')->from(Table::create('table1', 't', 'dbo')) |
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* |
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* Note: We must use prefix (from connection) with tables with scema equal defaultSchema or without schema and don't use with other schemas |
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* Note: With ExpressionInterface as tablename - we cannot add prefixes and quoting of table names. |
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* For example with Oracle: (new Query)->select('*')->from(new Expression('dblink1.dbo.table')) for build `select * from dblink1.dbo.table1` |
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* |
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*/ |
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final class Table |
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{ |
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/** |
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* @var string|ExpressionInterface |
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*/ |
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private $name; |
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/** |
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* @var string|null |
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*/ |
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private ?string $alias; |
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/** |
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* @var string|ExpressionInterface|null |
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*/ |
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private $schema; |
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/** |
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* @param string|ExpressionInterface $name |
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* @param string|ExpressionInterface|null $alias |
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* @param string|ExpressionInterface|null $schema |
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*/ |
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private function __construct($name, $alias, $schema = null) |
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{ |
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$this->name = $name; |
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$this->alias = $alias; |
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$this->schema = $schema; |
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} |
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public static function create($name, ?string $alias = null, $schema = null) |
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{ |
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assert(is_string($name) || $name instanceof ExpressionInterface); |
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assert(is_string($schema) || $schema instanceof ExpressionInterface || $schema === null); |
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return new self($name, $alias, $schema); |
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} |
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/** |
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* @return string|ExpressionInterface |
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*/ |
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public function getName() |
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{ |
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return $this->name; |
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} |
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public function getAlias(): ?string |
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{ |
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return $this->alias; |
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} |
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/** |
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* @return string|ExpressionInterface|null |
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*/ |
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public function getSchema() |
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{ |
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return $this->schema; |
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} |
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public function hasAlias(): bool |
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{ |
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return !($this->alias === null || $this->alias === ''); |
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} |
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public function hasSchema(): bool |
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{ |
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return !($this->schema === null || $this->schema === ''); |
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} |
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} |
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yiisoft /
db
Our type inference engine has found a suspicous assignment of a value to a property. This check raises an issue when a value that can be of a mixed type is assigned to a property that is type hinted more strictly.
For example, imagine you have a variable
$accountIdthat can either hold an Id object or false (if there is no account id yet). Your code now assigns that value to theidproperty of an instance of theAccountclass. This class holds a proper account, so the id value must no longer be false.Either this assignment is in error or a type check should be added for that assignment.