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<?php |
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declare(strict_types=1); |
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namespace MySQLReplication\Event\RowEvent; |
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use MySQLReplication\BinaryDataReader\BinaryDataReader; |
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use MySQLReplication\Definitions\ConstFieldType; |
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use MySQLReplication\Repository\FieldDTO; |
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class ColumnDTO |
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{ |
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private $fieldDTO; |
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private $maxLength; |
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private $size; |
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private $fsp; |
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private $lengthSize; |
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private $precision; |
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private $decimals; |
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private $bits; |
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private $bytes; |
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private $type; |
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public function __construct( |
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FieldDTO $fieldDTO, |
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int $type, |
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int $maxLength, |
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int $size, |
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int $fsp, |
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int $lengthSize, |
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int $precision, |
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int $decimals, |
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int $bits, |
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int $bytes |
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) { |
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$this->fieldDTO = $fieldDTO; |
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$this->type = $type; |
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$this->maxLength = $maxLength; |
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$this->size = $size; |
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$this->fsp = $fsp; |
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$this->lengthSize = $lengthSize; |
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$this->precision = $precision; |
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$this->decimals = $decimals; |
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$this->bits = $bits; |
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$this->bytes = $bytes; |
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} |
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public static function make( |
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int $columnType, |
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FieldDTO $fieldDTO, |
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BinaryDataReader $binaryDataReader |
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): self { |
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$maxLength = 0; |
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$size = 0; |
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$fsp = 0; |
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$lengthSize = 0; |
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$precision = 0; |
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$decimals = 0; |
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$bits = 0; |
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$bytes = 0; |
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if ($columnType === ConstFieldType::VARCHAR) { |
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$maxLength = $binaryDataReader->readInt16(); |
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} else if ($columnType === ConstFieldType::DOUBLE) { |
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$size = $binaryDataReader->readUInt8(); |
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} else if ($columnType === ConstFieldType::FLOAT) { |
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$size = $binaryDataReader->readUInt8(); |
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} else if ($columnType === ConstFieldType::TIMESTAMP2) { |
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$fsp = $binaryDataReader->readUInt8(); |
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} else if ($columnType === ConstFieldType::DATETIME2) { |
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$fsp = $binaryDataReader->readUInt8(); |
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} else if ($columnType === ConstFieldType::TIME2) { |
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$fsp = $binaryDataReader->readUInt8(); |
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} else if ($columnType === ConstFieldType::VAR_STRING || $columnType === ConstFieldType::STRING) { |
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$metadata = ($binaryDataReader->readUInt8() << 8) + $binaryDataReader->readUInt8(); |
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$realType = $metadata >> 8; |
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if ($realType === ConstFieldType::SET || $realType === ConstFieldType::ENUM) { |
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$columnType = $realType; |
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$size = $metadata & 0x00ff; |
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} else { |
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$maxLength = ((($metadata >> 4) & 0x300) ^ 0x300) + ($metadata & 0x00ff); |
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} |
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} else if ($columnType === ConstFieldType::BLOB || $columnType === ConstFieldType::IGNORE) { |
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$lengthSize = $binaryDataReader->readUInt8(); |
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} else if ($columnType === ConstFieldType::GEOMETRY) { |
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$lengthSize = $binaryDataReader->readUInt8(); |
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} else if ($columnType === ConstFieldType::JSON) { |
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$lengthSize = $binaryDataReader->readUInt8(); |
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} else if ($columnType === ConstFieldType::NEWDECIMAL) { |
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$precision = $binaryDataReader->readUInt8(); |
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$decimals = $binaryDataReader->readUInt8(); |
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} else if ($columnType === ConstFieldType::BIT) { |
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$bits = $binaryDataReader->readUInt8(); |
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$bytes = $binaryDataReader->readUInt8(); |
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$bits = ($bytes * 8) + $bits; |
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$bytes = (int)(($bits + 7) / 8); |
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} |
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return new self( |
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$fieldDTO, |
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$columnType, |
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$maxLength, |
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$size, |
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$fsp, |
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$lengthSize, |
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$precision, |
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$decimals, |
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$bits, |
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$bytes |
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); |
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} |
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public function getFieldDTO(): FieldDTO |
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{ |
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return $this->fieldDTO; |
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} |
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public function getMaxLength(): int |
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{ |
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return $this->maxLength; |
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} |
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public function getSize(): int |
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{ |
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return $this->size; |
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} |
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public function getFsp(): int |
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{ |
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return $this->fsp; |
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} |
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public function getLengthSize(): int |
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{ |
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return $this->lengthSize; |
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} |
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public function getPrecision(): int |
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{ |
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return $this->precision; |
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} |
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public function getDecimals(): int |
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{ |
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return $this->decimals; |
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} |
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public function getBits(): int |
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{ |
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return $this->bits; |
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} |
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public function getBytes(): int |
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{ |
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return $this->bytes; |
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} |
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public function getType(): int |
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{ |
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return $this->type; |
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} |
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public function getName(): string |
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{ |
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return $this->fieldDTO->getColumnName(); |
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} |
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public function getEnumValues(): array |
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{ |
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if ($this->type === ConstFieldType::ENUM) { |
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return explode(',', str_replace(['enum(', ')', '\''], '', $this->fieldDTO->getColumnType())); |
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} |
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return []; |
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} |
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public function getSetValues(): array |
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{ |
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if ($this->type === ConstFieldType::SET) { |
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return explode(',', str_replace(['set(', ')', '\''], '', $this->fieldDTO->getColumnType())); |
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} |
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return []; |
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} |
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public function isUnsigned(): bool |
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{ |
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return !(stripos($this->fieldDTO->getColumnType(), 'unsigned') === false); |
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} |
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public function isPrimary(): bool |
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{ |
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return $this->fieldDTO->getColumnKey() === 'PRI'; |
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} |
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} |