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<?php |
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/** |
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* Plasma Driver MySQL component |
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* Copyright 2018 PlasmaPHP, All Rights Reserved |
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* |
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* Website: https://github.com/PlasmaPHP |
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* License: https://github.com/PlasmaPHP/driver-mysql/blob/master/LICENSE |
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*/ |
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namespace Plasma\Drivers\MySQL\Commands; |
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/** |
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* Statement Execute command. |
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* @internal |
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*/ |
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class StatementExecuteCommand extends QueryCommand { |
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/** |
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* The identifier for this command. |
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* @var int |
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* @source |
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*/ |
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const COMMAND_ID = 0x17; |
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/** |
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* @var mixed |
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*/ |
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protected $id; |
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/** |
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* @var array |
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*/ |
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protected $params; |
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/** |
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* Constructor. |
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* @param \Plasma\DriverInterface $driver |
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* @param mixed $id |
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* @param string $query |
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* @param array $params |
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*/ |
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function __construct(\Plasma\DriverInterface $driver, $id, string $query, array $params) { |
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parent::__construct($driver, $query); |
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$this->id = $id; |
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$this->params = $params; |
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} |
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/** |
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* Get the encoded message for writing to the database connection. |
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* @return string |
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*/ |
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function getEncodedMessage(): string { |
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$packet = \chr(static::COMMAND_ID); |
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$packet .= \Plasma\BinaryBuffer::writeInt4($this->id); |
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$packet .= "\x00"; // Cursor type flag |
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$packet .= \Plasma\BinaryBuffer::writeInt4(1); // Iteration count is always 1 |
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$bitmapOffset = \strlen($packet); |
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$packet .= \str_repeat("\x00", ((\count($this->params) + 7) >> 3)); |
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$bound = 0; |
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$types = ''; |
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$values = ''; |
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foreach($this->params as $id => $param) { |
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if($param === null) { |
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1 |
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$offset = $bitmapOffset + ($id >> 3); |
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1 |
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$packet[$offset] = $packet[$offset] | \chr((1 << ($id % 8))); |
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} else { |
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$bound = 1; |
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} |
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try { |
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$manager = \Plasma\Types\TypeExtensionsManager::getManager('driver-mysql'); |
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$encode = $manager->encodeType($param); |
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$unsigned = $encode->isUnsigned(); |
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$type = $encode->getSQLType(); |
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$value = $encode->getValue(); |
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} catch (\Plasma\Exception $e) { |
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[ $unsigned, $type, $value ] = $this->stdEncodeValue($param); |
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} |
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$types .= \chr($type).($unsigned ? "\x80" : "\x00"); |
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$values .= $value; |
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} |
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$packet .= \chr($bound); |
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if($bound) { |
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$packet .= $types; |
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$packet .= $values; |
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} |
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return $packet; |
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} |
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/** |
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* Whether the sequence ID should be resetted. |
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* @return bool |
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*/ |
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function resetSequence(): bool { |
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return true; |
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} |
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/** |
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* Parses the binary resultset row and returns the row. |
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* @param \Plasma\BinaryBuffer $buffer |
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* @return array |
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*/ |
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protected function parseResultsetRow(\Plasma\BinaryBuffer $buffer): array { |
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$buffer->read(1); // remove packet header |
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$nullRow = array(); |
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$i = 0; |
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/** @var \Plasma\ColumnDefinitionInterface $column */ |
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foreach($this->fields as $column) { // Handle NULL-bitmap |
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if((\ord($buffer[(($i + 2) >> 3)]) & (1 << (($i + 2) % 8))) !== 0) { |
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$nullRow[$column->getName()] = null; |
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} |
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$i++; |
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} |
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$buffer->read(((\count($this->fields) + 9) >> 3)); // Remove NULL-bitmap |
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$row = array(); |
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/** @var \Plasma\ColumnDefinitionInterface $column */ |
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foreach($this->fields as $column) { |
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if(\array_key_exists($column->getName(), $nullRow)) { |
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$row[$column->getName()] = null; |
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continue; |
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} |
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$value = $this->stdDecodeBinaryValue($column, $buffer); |
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$parsedValue = $column->parseValue($value); |
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if($value !== $parsedValue) { |
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$value = $parsedValue; |
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} |
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$row[$column->getName()] = $value; |
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} |
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return $row; |
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} |
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/** |
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* Standard encode value, if type extensions failed. |
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* @param mixed $param |
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* @return array |
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* @throws \Plasma\Exception |
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*/ |
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protected function stdEncodeValue($param): array { |
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$unsigned = false; |
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switch(\gettype($param)) { |
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case 'boolean': |
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1 |
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$type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_TINY; |
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$value = ($param ? "\x01" : "\0"); |
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break; |
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case 'integer': |
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if($param >= 0) { |
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$unsigned = true; |
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} |
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if($param >= 0 && $param < (1 << 15)) { |
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$type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_SHORT; |
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$value = \Plasma\BinaryBuffer::writeInt2($param); |
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} elseif(\PHP_INT_SIZE === 4) { |
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$type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_LONG; |
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$value = \Plasma\BinaryBuffer::writeInt4($param); |
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} else { |
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$type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_LONGLONG; |
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$value = \Plasma\BinaryBuffer::writeInt8($param); |
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} |
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break; |
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case 'double': |
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$type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_DOUBLE; |
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$value = \Plasma\BinaryBuffer::writeDouble($param); |
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break; |
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case 'string': |
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$type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_LONG_BLOB; |
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$value = \Plasma\BinaryBuffer::writeStringLength($param); |
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break; |
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case 'NULL': |
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1 |
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$type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_NULL; |
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$value = ''; |
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1 |
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break; |
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default: |
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throw new \Plasma\Exception('Unexpected type for binding parameter: '.\gettype($param)); |
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break; |
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} |
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return array($unsigned, $type, $value); |
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} |
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/** |
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* Standard decode value, if type extensions failed. |
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* @param \Plasma\ColumnDefinitionInterface $column |
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* @param \Plasma\BinaryBuffer $buffer |
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* @return mixed |
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* @throws \Plasma\Exception |
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*/ |
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protected function stdDecodeBinaryValue(\Plasma\ColumnDefinitionInterface $column, \Plasma\BinaryBuffer $buffer) { |
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$flags = $column->getFlags(); |
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$type = $column->getType(); |
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switch(true) { |
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case $this->isTypeString($type): |
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$value = $buffer->readStringLength(); |
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break; |
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case ($type === 'TINY'): |
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$value = $buffer->readInt1(); |
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$value = $this->zeroFillInts($column, $value); |
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break; |
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case $this->isTypeShortOrYear($type): |
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$value = $buffer->readInt2(); |
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$value = $this->zeroFillInts($column, $value); |
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break; |
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case $this->isTypeInt24orLong($type): |
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$value = $buffer->readInt4(); |
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if(($flags & \Plasma\Drivers\MySQL\FieldFlags::UNSIGNED_FLAG) !== 0 && \PHP_INT_SIZE <= 4) { |
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$value = \bcadd($value, '18446744073709551616'); |
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} |
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231
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7 |
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$value = $this->zeroFillInts($column, $value); |
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break; |
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case ($type === 'LONGLONG'): |
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$value = $buffer->readInt8(); |
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236
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if(($flags & \Plasma\Drivers\MySQL\FieldFlags::UNSIGNED_FLAG) !== 0) { |
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$value = \bcadd($value, '18446744073709551616'); |
238
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7 |
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} elseif(\PHP_INT_SIZE > 4) { |
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$value = (int) $value; |
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} |
241
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242
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7 |
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$value = $this->zeroFillInts($column, $value); |
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7 |
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break; |
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case ($type === 'FLOAT'): |
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2 |
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$value = $buffer->readFloat(); |
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2 |
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break; |
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case ($type === 'DOUBLE'): |
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2 |
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$value = $buffer->readDouble(); |
249
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2 |
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break; |
250
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8 |
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case $this->isTypeDate($type): |
251
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8 |
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$length = $buffer->readIntLength(); |
252
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8 |
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if($length > 0) { |
253
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1 |
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$year = $buffer->readInt2(); |
254
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1 |
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$month = $buffer->readInt1(); |
255
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1 |
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$day = $buffer->readInt1(); |
256
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257
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1 |
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$value = \sprintf('%04d-%02d-%02d', $year, $month, $day); |
258
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} else { |
259
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7 |
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$value = '0000-00-00'; |
260
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} |
261
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8 |
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break; |
262
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8 |
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case $this->isTypeDateTime($type): |
263
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8 |
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$length = $buffer->readIntLength(); |
264
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8 |
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if($length > 0) { |
265
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2 |
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$year = $buffer->readInt2(); |
266
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2 |
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$month = $buffer->readInt1(); |
267
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2 |
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$day = $buffer->readInt1(); |
268
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269
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2 |
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if($length > 4) { |
270
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1 |
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$hour = $buffer->readInt1(); |
271
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1 |
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$min = $buffer->readInt1(); |
272
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1 |
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$sec = $buffer->readInt1(); |
273
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} else { |
274
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1 |
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$hour = 0; |
275
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1 |
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$min = 0; |
276
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1 |
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$sec = 0; |
277
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} |
278
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279
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2 |
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if($length > 7) { |
280
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$microI = $buffer->readInt4(); |
281
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} else { |
282
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2 |
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$microI = 0; |
283
|
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} |
284
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285
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2 |
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$micro = \str_pad($microI, 6, '0', \STR_PAD_LEFT); |
286
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2 |
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$micro = \substr($micro, 0, 3).' '.\substr($micro, 3); |
287
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|
288
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2 |
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$value = \sprintf('%04d-%02d-%02d %02d:%02d:%02d'.($microI > 0 ? '.%s' : ''), $year, $month, $day, $hour, $min, $sec, $micro); |
289
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290
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2 |
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if($type === 'TIMESTAMP') { |
291
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2 |
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$value = \DateTime::createFromFormat('Y-m-d H:i:s'.($microI > 0 ? '.u' : ''), $value)->getTimestamp(); |
292
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} |
293
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} else { |
294
|
8 |
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$value = '0000-00-00 00:00:00.000 000'; |
295
|
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} |
296
|
8 |
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break; |
297
|
8 |
|
case ($type === 'TIME'): |
298
|
8 |
|
$length = $buffer->readIntLength(); |
299
|
8 |
|
if($length > 1) { |
300
|
1 |
|
$sign = $buffer->readInt1(); |
301
|
1 |
|
$days = $buffer->readInt4(); |
302
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|
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|
303
|
1 |
|
if($sign === 1) { |
304
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$days *= -1; |
305
|
|
|
} |
306
|
|
|
|
307
|
1 |
|
$hour = $buffer->readInt1(); |
308
|
1 |
|
$min = $buffer->readInt1(); |
309
|
1 |
|
$sec = $buffer->readInt1(); |
310
|
|
|
|
311
|
1 |
|
if($length > 8) { |
312
|
|
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$microI = $buffer->readInt4(); |
313
|
|
|
} else { |
314
|
1 |
|
$microI = 0; |
315
|
|
|
} |
316
|
|
|
|
317
|
1 |
|
$micro = \str_pad($microI, 6, '0', \STR_PAD_LEFT); |
318
|
1 |
|
$micro = \substr($micro, 0, 3).' '.\substr($micro, 3); |
319
|
|
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|
320
|
1 |
|
$value = \sprintf('%dd %02d:%02d:%02d'.($microI > 0 ? '.%s' : ''), $days, $hour, $min, $sec, $micro); |
321
|
|
|
} else { |
322
|
7 |
|
$value = '0d 00:00:00'; |
323
|
|
|
} |
324
|
8 |
|
break; |
325
|
|
|
default: |
326
|
|
|
throw new \InvalidArgumentException('Unknown column type (flags: '.$flags.', type: '.$column->getType().')'); |
327
|
|
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break; |
328
|
|
|
} |
329
|
|
|
|
330
|
35 |
|
return $value; |
331
|
|
|
} |
332
|
|
|
|
333
|
|
|
/** |
334
|
|
|
* @param string $type |
335
|
|
|
* @return bool |
336
|
|
|
*/ |
337
|
35 |
|
protected function isTypeString(string $type): bool { |
338
|
|
|
$types = array( |
339
|
35 |
|
'STRING', 'VARCHAR', 'VARSTRING', 'ENUM', 'SET', 'LONGBLOB', |
340
|
|
|
'MEDIUMBLOB', 'BLOB', 'TINYBLOB', 'GEMOTERY', 'BIT', 'DECIMAL', |
341
|
|
|
'NEWDECIMAL', 'JSON' |
342
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|
|
); |
343
|
|
|
|
344
|
35 |
|
return \in_array($type, $types, true); |
345
|
|
|
} |
346
|
|
|
|
347
|
|
|
/** |
348
|
|
|
* @param string $type |
349
|
|
|
* @return bool |
350
|
|
|
*/ |
351
|
17 |
|
protected function isTypeShortOrYear(string $type): bool { |
352
|
17 |
|
$types = array('SHORT', 'YEAR'); |
353
|
17 |
|
return \in_array($type, $types, true); |
354
|
|
|
} |
355
|
|
|
|
356
|
|
|
/** |
357
|
|
|
* @param string $type |
358
|
|
|
* @return bool |
359
|
|
|
*/ |
360
|
17 |
|
protected function isTypeInt24orLong(string $type): bool { |
361
|
17 |
|
$types = array('INT24', 'LONG'); |
362
|
17 |
|
return \in_array($type, $types, true); |
363
|
|
|
} |
364
|
|
|
|
365
|
|
|
/** |
366
|
|
|
* @param string $type |
367
|
|
|
* @return bool |
368
|
|
|
*/ |
369
|
8 |
|
protected function isTypeDate(string $type): bool { |
370
|
8 |
|
$types = array('DATE', 'NEWDATE'); |
371
|
8 |
|
return \in_array($type, $types, true); |
372
|
|
|
} |
373
|
|
|
|
374
|
|
|
/** |
375
|
|
|
* @param string $type |
376
|
|
|
* @return bool |
377
|
|
|
*/ |
378
|
8 |
|
protected function isTypeDateTime(string $type): bool { |
379
|
8 |
|
$types = array('DATETIME', 'TIMESTAMP'); |
380
|
8 |
|
return \in_array($type, $types, true); |
381
|
|
|
} |
382
|
|
|
|
383
|
|
|
/** |
384
|
|
|
* @param \Plasma\ColumnDefinitionInterface $column |
385
|
|
|
* @param string|int $value |
386
|
|
|
* @return string|int |
387
|
|
|
*/ |
388
|
7 |
|
protected function zeroFillInts(\Plasma\ColumnDefinitionInterface $column, $value) { |
389
|
7 |
|
$flags = $column->getFlags(); |
390
|
|
|
|
391
|
7 |
|
if(($flags & \Plasma\Drivers\MySQL\FieldFlags::ZEROFILL_FLAG) !== 0) { |
392
|
7 |
|
$value = \str_pad(((string) $value), $column->getLength(), '0', \STR_PAD_LEFT); |
393
|
|
|
} |
394
|
|
|
|
395
|
7 |
|
return $value; |
396
|
|
|
} |
397
|
|
|
} |
398
|
|
|
|