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<?php |
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namespace Nkey\Caribu\Type; |
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/** |
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* Concrete mysql implementation of database type |
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* |
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* This class is part of Caribu package |
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* |
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* @author Maik Greubel <[email protected]> |
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*/ |
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class MySQL extends AbstractType |
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{ |
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/** |
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* (non-PHPdoc) |
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* |
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* @see \Nkey\Caribu\Type\IType::getDsn() |
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*/ |
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public function getDsn(): string |
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{ |
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return "mysql:host={host};port={port};dbname={schema}"; |
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} |
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/** |
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* (non-PHPdoc) |
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* |
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* @see \Nkey\Caribu\Type\IType::getDefaultPort() |
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*/ |
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public function getDefaultPort(): int |
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{ |
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return 3306; |
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} |
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/** |
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* (non-PHPdoc) |
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* |
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* @see \Nkey\Caribu\Type\IType::getPrimaryKeyColumn() |
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*/ |
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public function getPrimaryKeyColumn(string $table, \Nkey\Caribu\Orm\Orm $orm): string |
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{ |
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$query = "SELECT `COLUMN_NAME` as column_name FROM `information_schema`.`columns` " . // |
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"WHERE `TABLE_NAME` = '{table}' AND `TABLE_SCHEMA` = '{schema}' AND `COLUMN_KEY` = 'PRI'"; |
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return $this->getPrimaryColumnViaSql($orm, $table, $query); |
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} |
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/** |
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* (non-PHPdoc) |
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* |
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* @see \Nkey\Caribu\Type\IType::lock() |
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*/ |
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public function lock(string $table, int $lockType, \Nkey\Caribu\Orm\Orm $orm) |
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{ |
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$lock = "READ"; |
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if ($lockType == IType::LOCK_TYPE_WRITE) { |
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$lock = "WRITE"; |
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} |
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$this->changeLockViaSql($orm, $table, sprintf("LOCK TABLES `%s` %s", $table, $lock)); |
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} |
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/** |
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* (non-PHPdoc) |
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* |
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* @see \Nkey\Caribu\Type\IType::unlock() |
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*/ |
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public function unlock(string $table, \Nkey\Caribu\Orm\Orm $orm) |
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{ |
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$this->changeLockViaSql($orm, $table, "UNLOCK TABLES"); |
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} |
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/** |
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* (non-PHPdoc) |
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* |
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* @see \Nkey\Caribu\Type\IType::getEscapeSign() |
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*/ |
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public function getEscapeSign(): string |
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{ |
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return "`"; |
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} |
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/** |
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* (non-PHPdoc) |
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* |
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* @see \Nkey\Caribu\Type\IType::getSequenceNameForColumn() |
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*/ |
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public function getSequenceNameForColumn(string $table, string $columnName, \Nkey\Caribu\Orm\Orm $orm): string |
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{ |
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return ""; |
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} |
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/** |
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* (non-PHPdoc) |
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* |
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* @see \Nkey\Caribu\Type\AbstractType::getTypeQuery() |
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*/ |
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protected function getTypeQuery(): string |
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{ |
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$query = "SELECT `DATA_TYPE` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = '{schema}' " . "AND `TABLE_NAME` = '{table}' AND `COLUMN_NAME` = '{column}'"; |
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return $query; |
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} |
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/** |
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* Checks whether given type is a string type |
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* |
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* @param string $type |
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* |
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* @return bool true in case of type is string type, false otherwise |
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*/ |
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private function isStringType(string $type): bool |
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{ |
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return $type === 'CHAR' || $type === 'VARCHAR' || $type === 'TEXT' || $type === 'TINYTEXT' || $type === 'MEDIUMTEXT' || $type === 'LONGTEXT' || $type === 'ENUM' || $type === 'SET'; |
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} |
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/** |
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* Checks whether given type is a binary type |
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* |
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* @param string $type |
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* |
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* @return bool true in case of type is binary type, false otherwise |
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*/ |
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private function isBinaryType(string $type): bool |
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{ |
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return $type === 'BINARY' || $type === 'VABINARY' || $type === 'TINYBLOB' || $type === 'BLOB' || $type === 'MEDIUMBLOB' || $type === 'LONGBLOB'; |
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} |
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/** |
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* Checks whether given type is a integer type |
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* @param string $type |
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* |
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* @return bool true in case of type is integer type, false otherwise |
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*/ |
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private function isIntegerType(string $type): bool |
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{ |
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return $type === 'INTEGER' || $type === 'INT' || $type === 'SMALLINT' || $type === 'TINYINT' || $type === 'MEDIUMINT' || $type === 'BIGINT'; |
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} |
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/** |
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* Checks whether given type is a decimal type |
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* |
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* @param string $type |
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* |
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* @return bool true in case of type is decimal type, false otherwise |
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*/ |
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private function isDecimalType(string $type): bool |
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{ |
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return $type === 'DECIMAL' || $type === 'NUMERIC' || $type === 'FLOAT' || $type === 'REAL' || $type === 'FIXED' || $type === 'DEC' || $type === 'DOUBLE PRECISION'; |
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} |
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/** |
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* Checks whether given type is a datetime type |
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* |
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* @param string $type |
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* |
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* @return bool true in case of type is datetime type, false otherwise |
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*/ |
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private function isDateTimeType(string $type): bool |
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{ |
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return $type === 'DATE' || $type === 'DATETIME' || $type === 'TIMESTAMP'; |
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} |
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/** |
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* (non-PHPdoc) |
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* |
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* @see \Nkey\Caribu\Type\AbstractType::mapType() |
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*/ |
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protected function mapType(array $result): int |
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{ |
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$type = strtoupper($result['DATA_TYPE']); |
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if ($this->isStringType($type)) { |
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return \Nkey\Caribu\Orm\OrmDataType::STRING; |
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} |
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if ($this->isBinaryType($type)) { |
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return \Nkey\Caribu\Orm\OrmDataType::BLOB; |
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} |
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if ($this->isIntegerType($type)) { |
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return \Nkey\Caribu\Orm\OrmDataType::INTEGER; |
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} |
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if ($this->isDecimalType($type)) { |
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return \Nkey\Caribu\Orm\OrmDataType::DECIMAL; |
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} |
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if ($this->isDateTimeType($type)) { |
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return \Nkey\Caribu\Orm\OrmDataType::DATETIME; |
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} |
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return \Nkey\Caribu\Orm\OrmDataType::STRING; |
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} |
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} |
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