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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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2 |
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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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$type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_TINY; |
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$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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$type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_NULL; |
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1 |
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$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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2 |
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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 = $column->getType(); |
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switch(true) { |
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case ($type === 'STRING'): |
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2 |
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case ($type === 'VARCHAR'): |
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2 |
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case ($type === 'VARSTRING'): |
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case ($type === 'ENUM'): |
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217
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case ($type === 'SET'): |
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case ($type === 'LONGBLOB'): |
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case ($type === 'MEDIUMBLOB'): |
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220
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case ($type === 'BLOB'): |
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221
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case ($type === 'TINY_BLOB'): |
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222
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case ($type === 'GEOMETRY'): |
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223
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case ($type === 'BIT'): |
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224
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case ($type === 'DECIMAL'): |
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225
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case ($type === 'NEWDECIMAL'): |
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226
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case ($type === 'JSON'): |
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227
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2 |
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$value = $buffer->readStringLength(); |
228
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2 |
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break; |
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229
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case ($type === 'TINY'): |
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$value = $buffer->readInt1(); |
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$value = $this->zeroFillInts($column, $value); |
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break; |
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233
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case ($type === 'SHORT'): |
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234
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case ($type === 'YEAR'): |
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$value = $buffer->readInt2(); |
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$value = $this->zeroFillInts($column, $value); |
237
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break; |
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238
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case ($type === 'INT24'): |
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239
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case ($type === 'LONG'): |
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240
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$value = $buffer->readInt4(); |
241
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242
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if(($flags & \Plasma\Drivers\MySQL\FieldFlags::UNSIGNED_FLAG) !== 0 && \PHP_INT_SIZE <= 4) { |
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$value = \bcadd($value, '18446744073709551616'); |
244
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} |
245
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246
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$value = $this->zeroFillInts($column, $value); |
247
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break; |
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248
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case ($type === 'LONGLONG'): |
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249
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$value = $buffer->readInt8(); |
250
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251
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if(($flags & \Plasma\Drivers\MySQL\FieldFlags::UNSIGNED_FLAG) !== 0) { |
252
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$value = \bcadd($value, '18446744073709551616'); |
253
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} elseif(\PHP_INT_SIZE > 4) { |
254
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$value = (int) $value; |
255
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} |
256
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257
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$value = $this->zeroFillInts($column, $value); |
258
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break; |
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259
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case ($type === 'FLOAT'): |
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260
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$value = $buffer->readFloat(); |
261
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break; |
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262
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case ($type === 'DOUBLE'): |
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263
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$value = $buffer->readDouble(); |
264
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break; |
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265
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case ($type === 'DATE'): |
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266
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case ($type === 'NEWDATE'): |
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267
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$length = $buffer->readIntLength(); |
268
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if($length > 0) { |
269
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$year = $buffer->readInt2(); |
270
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$month = $buffer->readInt1(); |
271
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$day = $buffer->readInt1(); |
272
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|
273
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$value = \sprintf('%04d-%02d-%02d', $year, $month, $day); |
274
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} else { |
275
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$value = '0000-00-00'; |
276
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} |
|
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|
277
|
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break; |
|
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|
278
|
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case ($type === 'DATETIME'): |
|
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|
279
|
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case ($type === 'TIMESTAMP'): |
|
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|
280
|
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$length = $buffer->readIntLength(); |
281
|
|
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if($length > 0) { |
282
|
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$year = $buffer->readInt2(); |
283
|
|
|
$month = $buffer->readInt1(); |
284
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|
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$day = $buffer->readInt1(); |
285
|
|
|
|
286
|
|
|
if($length > 4) { |
287
|
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$hour = $buffer->readInt1(); |
288
|
|
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$min = $buffer->readInt1(); |
289
|
|
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$sec = $buffer->readInt1(); |
290
|
|
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} else { |
291
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|
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$hour = 0; |
292
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|
|
$min = 0; |
293
|
|
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$sec = 0; |
294
|
|
|
} |
295
|
|
|
|
296
|
|
|
if($length > 7) { |
297
|
|
|
$microI = $buffer->readInt4(); |
298
|
|
|
} else { |
299
|
|
|
$microI = 0; |
300
|
|
|
} |
301
|
|
|
|
302
|
|
|
$micro = \str_pad($microI, 6, '0', \STR_PAD_LEFT); |
303
|
|
|
$micro = \substr($micro, 0, 3).' '.\substr($micro, 3); |
304
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|
|
|
305
|
|
|
$value = \sprintf('%04d-%02d-%02d %02d:%02d:%02d'.($microI > 0 ? '.%s' : ''), $year, $month, $day, $hour, $min, $sec, $micro); |
306
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|
|
|
307
|
|
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if($type === 'TIMESTAMP') { |
308
|
|
|
$value = \DateTime::createFromFormat('Y-m-d H:i:s'.($microI > 0 ? '.u' : ''), $value)->getTimestamp(); |
309
|
|
|
} |
310
|
|
|
} else { |
311
|
|
|
$value = '0000-00-00 00:00:00.000 000'; |
312
|
|
|
} |
313
|
|
|
break; |
|
|
|
|
314
|
|
|
case ($type === 'TIME'): |
|
|
|
|
315
|
|
|
$length = $buffer->readIntLength(); |
316
|
|
|
if($length > 1) { |
317
|
|
|
$sign = $buffer->readInt1(); |
318
|
|
|
$days = $buffer->readInt4(); |
319
|
|
|
|
320
|
|
|
if($sign === 1) { |
321
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|
$days *= -1; |
322
|
|
|
} |
323
|
|
|
|
324
|
|
|
$hour = $buffer->readInt1(); |
325
|
|
|
$min = $buffer->readInt1(); |
326
|
|
|
$sec = $buffer->readInt1(); |
327
|
|
|
|
328
|
|
|
if($length > 8) { |
329
|
|
|
$microI = $buffer->readInt4(); |
330
|
|
|
} else { |
331
|
|
|
$microI = 0; |
332
|
|
|
} |
|
|
|
|
333
|
|
|
|
334
|
|
|
$micro = \str_pad($microI, 6, '0', \STR_PAD_LEFT); |
335
|
|
|
$micro = \substr($micro, 0, 3).' '.\substr($micro, 3); |
336
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|
|
|
337
|
|
|
$value = \sprintf('%dd %02d:%02d:%02d'.($microI > 0 ? '.%s' : ''), $days, $hour, $min, $sec, $micro); |
338
|
|
|
} else { |
339
|
|
|
$value = '0d 00:00:00'; |
340
|
|
|
} |
|
|
|
|
341
|
|
|
break; |
|
|
|
|
342
|
|
|
default: |
343
|
|
|
throw new \InvalidArgumentException('Unknown column type (flags: '.$flags.', type: '.$column->getType().')'); |
344
|
|
|
break; |
345
|
|
|
} |
346
|
|
|
|
347
|
2 |
|
return $value; |
348
|
|
|
} |
349
|
|
|
|
350
|
|
|
/** |
351
|
|
|
* @param \Plasma\ColumnDefinitionInterface $column |
352
|
|
|
* @param string|int $value |
353
|
|
|
* @return string|int |
354
|
|
|
*/ |
355
|
|
|
protected function zeroFillInts(\Plasma\ColumnDefinitionInterface $column, $value) { |
356
|
|
|
$flags = $column->getFlags(); |
357
|
|
|
|
358
|
|
|
if(($flags & \Plasma\Drivers\MySQL\FieldFlags::ZEROFILL_FLAG) !== 0) { |
359
|
|
|
$value = \str_pad(((string) $value), $column->getLength(), '0', \STR_PAD_LEFT); |
360
|
|
|
} |
361
|
|
|
|
362
|
|
|
return $value; |
363
|
|
|
} |
364
|
|
|
} |
365
|
|
|
|