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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Db\Sqlite; |
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use JsonException; |
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use Yiisoft\Db\Expression\ExpressionInterface; |
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use Yiisoft\Db\Expression\JsonExpression; |
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use Yiisoft\Db\Schema\AbstractColumnSchema; |
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use Yiisoft\Db\Schema\SchemaInterface; |
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use function json_decode; |
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/** |
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* Represents the metadata of a column in a database table for SQLite Server. |
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* |
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* It provides information about the column's name, type, size, precision, and other details. |
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* |
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* It's used to store and retrieve metadata about a column in a database table and is typically used in conjunction with |
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* the {@see TableSchema}, which represents the metadata of a database table as a whole. |
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* |
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* The following code shows how to use: |
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* |
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* ```php |
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* use Yiisoft\Db\Sqlite\ColumnSchema; |
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* |
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* $column = new ColumnSchema(); |
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* $column->name('id'); |
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* $column->allowNull(false); |
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* $column->dbType('integer'); |
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* $column->phpType('integer'); |
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* $column->type('integer'); |
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* $column->defaultValue(0); |
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* $column->autoIncrement(true); |
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* $column->primaryKey(true); |
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* ``` |
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*/ |
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final class ColumnSchema extends AbstractColumnSchema |
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{ |
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/** |
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* Converts a value from its PHP representation to a database-specific representation. |
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* |
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* If the value is null or an {@see Expression}, it won't be converted. |
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* |
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* @param mixed $value The value to be converted. |
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* |
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* @return mixed The converted value. |
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*/ |
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public function dbTypecast(mixed $value): mixed |
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{ |
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if ($value === null || $value instanceof ExpressionInterface) { |
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return $value; |
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} |
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if ($this->getType() === SchemaInterface::TYPE_JSON) { |
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return new JsonExpression($value, $this->getDbType()); |
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} |
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return parent::dbTypecast($value); |
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} |
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/** |
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* Converts the input value according to {@see phpType} after retrieval from the database. |
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* |
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* If the value is null or an {@see Expression}, it won't be converted. |
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* |
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* @param mixed $value The value to be converted. |
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* |
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* @throws JsonException |
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* @return mixed The converted value. |
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*/ |
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public function phpTypecast(mixed $value): mixed |
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{ |
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if ($value === null) { |
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return null; |
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} |
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if ($this->getType() === SchemaInterface::TYPE_JSON) { |
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return json_decode((string) $value, true, 512, JSON_THROW_ON_ERROR); |
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} |
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return parent::phpTypecast($value); |
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} |
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} |
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yiisoft /
db-sqlite
