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<?php |
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/** |
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* Class CreateTable |
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* |
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* @filesource CreateTable.php |
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* @created 03.06.2017 |
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* @package chillerlan\Database\Query\Dialects\MySQL |
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* @author Smiley <[email protected]> |
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* @copyright 2017 Smiley |
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* @license MIT |
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*/ |
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namespace chillerlan\Database\Query\Dialects\MySQL; |
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use chillerlan\Database\Query\CreateTableAbstract; |
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use chillerlan\Database\Query\QueryException; |
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/** |
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* @link https://dev.mysql.com/doc/refman/5.7/en/create-table.html |
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*/ |
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class CreateTable extends CreateTableAbstract{ |
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/** |
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* @return string |
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* @throws \chillerlan\Database\Query\QueryException |
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*/ |
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public function sql():string{ |
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if(empty($this->name)){ |
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throw new QueryException('no name specified'); |
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} |
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$sql = 'CREATE '; |
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$sql .= $this->temp ? 'TEMPORARY ' : ''; |
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$sql .= 'TABLE '; |
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$sql .= $this->ifNotExists ? 'IF NOT EXISTS ' : ''; |
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$sql .= $this->quote($this->name); |
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View Code Duplication |
if(!empty($this->cols)){ |
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$sql .= ' ('.PHP_EOL."\t".implode(','.PHP_EOL."\t", $this->cols); |
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if($this->primaryKey){ |
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$sql .=','.PHP_EOL."\t".'PRIMARY KEY ('.$this->quote($this->primaryKey).')'; |
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} |
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$sql .= PHP_EOL.')'; |
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} |
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if(!empty($this->collate)){ |
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list($charset) = explode('_', $this->collate); |
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$sql .= PHP_EOL.'CHARACTER SET '.$charset; |
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if($charset !== $this->collate){ |
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$sql .= ' COLLATE '.$this->collate; |
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} |
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} |
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return $sql; |
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} |
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/** |
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* @param string $name |
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* @param string $type |
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* @param null $length |
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* @param string|null $attribute |
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* @param string|null $collation |
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* @param bool|null $isNull |
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* @param string|null $defaultType |
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* @param null $defaultValue |
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* @param string|null $extra |
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* |
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* @return string |
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*/ |
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protected function fieldspec( |
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string $name, |
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string $type, |
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$length = null, |
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string $attribute = null, |
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string $collation = null, |
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bool $isNull = null, |
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string $defaultType = null, |
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$defaultValue = null, |
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string $extra = null |
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){ |
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$name = trim($name); |
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$type = strtoupper(trim($type)); |
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$field = ['`'.$name.'`']; |
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// @todo: whitelist types? |
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$nolengthtypes = ['DATE', 'TINYBLOB', 'TINYTEXT', 'BLOB', 'TEXT', 'MEDIUMBLOB', |
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'MEDIUMTEXT', 'LONGBLOB', 'LONGTEXT', 'SERIAL', 'BOOLEAN', 'UUID']; |
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$field[] = (is_int($length) || is_string($length) && count(explode(',', $length)) === 2) && !in_array($type, $nolengthtypes) |
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? $type.'('. $length . ')' |
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: $type; |
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if($attribute){ |
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$field[] = strtoupper($attribute); |
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} |
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$collationtypes = ['TINYTEXT', 'TEXT', 'MEDIUMTEXT', 'LONGTEXT', 'VARCHAR', 'CHAR', 'ENUM', 'SET']; |
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if($collation && in_array($type, $collationtypes)){ |
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list($charset) = explode('_', $collation); |
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$field[] = 'CHARACTER SET '.$charset; |
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if($charset !== $collation){ |
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$field[] = 'COLLATE '.$collation; |
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} |
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} |
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if(is_bool($isNull)){ |
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$field[] = $isNull ? 'NULL' : 'NOT NULL'; |
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} |
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$defaultType = strtoupper($defaultType); |
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if($defaultType === 'USER_DEFINED'){ |
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switch(true){ |
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case $type === 'TIMESTAMP' && intval($defaultValue) === 0: |
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$field[] = 'DEFAULT 0'; |
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break; |
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View Code Duplication |
case $type === 'BIT': |
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$field[] = 'DEFAULT b\''.preg_replace('/[^01]/', '0', $defaultValue).'\''; |
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break; |
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View Code Duplication |
case $type === 'BOOLEAN': |
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$field[] = 'DEFAULT '.preg_match('/^1|T|TRUE|YES$/i', $defaultValue) ? 'TRUE' : 'FALSE'; |
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break; |
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case $type === 'BINARY' || $type === 'VARBINARY': |
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$field[] = 'DEFAULT 0x'.$defaultValue; |
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break; |
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View Code Duplication |
case strtoupper($defaultValue) === 'NULL' && $isNull === true: |
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$field[] = 'DEFAULT NULL'; |
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break; |
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default: |
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$field[] = 'DEFAULT '.(is_int($defaultValue) || is_float($defaultValue) ? $defaultValue : '\''.$defaultValue.'\'') ; |
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} |
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} |
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View Code Duplication |
else if($defaultType === 'CURRENT_TIMESTAMP'){ |
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$field[] = 'DEFAULT CURRENT_TIMESTAMP'; |
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} |
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else if($defaultType === 'NULL' && $isNull === true){ |
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$field[] = 'DEFAULT NULL'; |
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} |
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if($extra){ |
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$field[] = $extra; |
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} |
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return implode(' ', $field); |
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} |
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} |
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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.