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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Db\Mysql; |
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use Yiisoft\Db\Exception\Exception; |
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use Yiisoft\Db\Exception\InvalidConfigException; |
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use Yiisoft\Db\Exception\NotSupportedException; |
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use Yiisoft\Db\Schema\ColumnSchemaBuilder as AbstractColumnSchemaBuilder; |
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final class ColumnSchemaBuilder extends AbstractColumnSchemaBuilder |
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{ |
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/** |
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* Builds the unsigned string for column. Defaults to unsupported. |
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* |
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* @return string a string containing UNSIGNED keyword. |
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*/ |
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protected function buildUnsignedString(): string |
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{ |
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return $this->isUnsigned() ? ' UNSIGNED' : ''; |
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} |
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/** |
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* Builds the after constraint for the column. Defaults to unsupported. |
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* |
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* @throws Exception |
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* @throws InvalidConfigException |
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* @throws NotSupportedException |
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* |
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* @return string a string containing the AFTER constraint. |
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*/ |
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protected function buildAfterString(): string |
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{ |
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return $this->getAfter() !== null ? ' AFTER ' . $this->getDb()->quoteColumnName($this->getAfter()) : ''; |
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} |
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/** |
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* Builds the first constraint for the column. Defaults to unsupported. |
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* |
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* @return string a string containing the FIRST constraint. |
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*/ |
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protected function buildFirstString(): string |
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{ |
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return $this->isFirst() ? ' FIRST' : ''; |
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} |
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/** |
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* Builds the comment specification for the column. |
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* |
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* @throws Exception |
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* @throws InvalidConfigException |
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* @throws NotSupportedException |
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* |
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* @return string a string containing the COMMENT keyword and the comment itself. |
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*/ |
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protected function buildCommentString(): string |
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{ |
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return $this->getComment() !== null ? ' COMMENT ' . $this->getDb()->quoteValue($this->getComment()) : ''; |
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} |
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public function __toString(): string |
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{ |
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switch ($this->getTypeCategory()) { |
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case self::CATEGORY_PK: |
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$format = '{type}{length}{comment}{check}{append}{pos}'; |
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break; |
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case self::CATEGORY_NUMERIC: |
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$format = '{type}{length}{unsigned}{notnull}{default}{unique}{comment}{append}{pos}{check}'; |
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break; |
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default: |
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$format = '{type}{length}{notnull}{default}{unique}{comment}{append}{pos}{check}'; |
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} |
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return $this->buildCompleteString($format); |
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} |
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} |
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