- <?php
-
-
- namespace yii\db\mysql;
-
- use yii\db\ColumnSchemaBuilder as AbstractColumnSchemaBuilder;
-
-
- class ColumnSchemaBuilder extends AbstractColumnSchemaBuilder
- {
-
-
- protected function buildUnsignedString()
- {
- return $this->isUnsigned ? ' UNSIGNED' : '';
- }
-
-
-
- protected function buildAfterString()
- {
- return $this->after !== null ?
- ' AFTER ' . $this->db->quoteColumnName($this->after) :
- '';
- }
-
-
-
- protected function buildFirstString()
- {
- return $this->isFirst ? ' FIRST' : '';
- }
-
-
-
- protected function buildCommentString()
- {
- return $this->comment !== null ? ' COMMENT ' . $this->db->quoteValue($this->comment) : '';
- }
-
-
-
- public function __toString()
- {
- switch ($this->getTypeCategory()) {
- case self::CATEGORY_PK:
- $format = '{type}{length}{check}{comment}{pos}{append}';
- break;
- case self::CATEGORY_NUMERIC:
- $format = '{type}{length}{unsigned}{notnull}{unique}{default}{check}{comment}{pos}{append}';
- break;
- default:
- $format = '{type}{length}{notnull}{unique}{default}{check}{comment}{pos}{append}';
- }
- return $this->buildCompleteString($format);
- }
- }
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