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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 = $params; |
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} |
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/** |
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* Get the encoded message for writing to the database connection. |
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* @return string |
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*/ |
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36 |
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function getEncodedMessage(): string { |
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36 |
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$packet = \chr(static::COMMAND_ID); |
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36 |
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$packet .= \Plasma\BinaryBuffer::writeInt4($this->id); |
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$packet .= "\x00"; // Cursor type flag |
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36 |
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$packet .= \Plasma\BinaryBuffer::writeInt4(1); // Iteration count is always 1 |
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36 |
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$bitmapOffset = \strlen($packet); |
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$packet .= \str_repeat("\x00", ((\count($this->params) + 7) >> 3)); |
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36 |
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$bound = 0; |
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36 |
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$types = ''; |
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$values = ''; |
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36 |
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foreach($this->params as $id => $param) { |
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36 |
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if($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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36 |
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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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36 |
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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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35 |
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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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2 |
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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[$column->getName()] = null; |
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2 |
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continue; |
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} |
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$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 $param |
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* @return array |
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* @throws \Plasma\Exception |
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*/ |
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36 |
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protected function stdEncodeValue($param): array { |
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$unsigned = false; |
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36 |
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switch(\gettype($param)) { |
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case 'boolean': |
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1 |
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$type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_TINY; |
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1 |
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$value = ($param ? "\x01" : "\0"); |
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1 |
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break; |
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case 'integer': |
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7 |
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if($param >= 0) { |
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$unsigned = true; |
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} |
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7 |
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if($param >= 0 && $param < (1 << 15)) { |
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7 |
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$type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_SHORT; |
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7 |
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$value = \Plasma\BinaryBuffer::writeInt2($param); |
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3 |
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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($param); |
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} else { |
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3 |
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$type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_LONGLONG; |
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3 |
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$value = \Plasma\BinaryBuffer::writeInt8($param); |
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} |
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7 |
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break; |
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case 'double': |
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2 |
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$type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_DOUBLE; |
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2 |
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$value = \Plasma\BinaryBuffer::writeDouble($param); |
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2 |
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break; |
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case 'string': |
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$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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$type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_NULL; |
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191
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1 |
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$value = ''; |
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192
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1 |
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break; |
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193
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default: |
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194
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1 |
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throw new \Plasma\Exception('Unexpected type for binding parameter: '.\gettype($param)); |
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195
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break; |
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} |
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197
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198
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return array($unsigned, $type, $value); |
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199
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} |
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200
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201
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/** |
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202
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* Standard decode value, if type extensions failed. |
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203
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* @param \Plasma\ColumnDefinitionInterface $column |
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204
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* @param \Plasma\BinaryBuffer $buffer |
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205
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* @return mixed |
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206
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* @throws \Plasma\Exception |
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207
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*/ |
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208
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35 |
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protected function stdDecodeBinaryValue(\Plasma\ColumnDefinitionInterface $column, \Plasma\BinaryBuffer $buffer) { |
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209
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35 |
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$flags = $column->getFlags(); |
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210
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35 |
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$type = $column->getType(); |
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211
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212
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switch(true) { |
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35 |
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case $this->isTypeString($type): |
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18 |
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$value = $buffer->readStringLength(); |
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215
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18 |
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break; |
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216
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17 |
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case ($type === 'TINY'): |
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217
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7 |
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$value = $buffer->readInt1(); |
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218
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7 |
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$value = $this->zeroFillInts($column, $value); |
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7 |
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break; |
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220
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17 |
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case $this->isTypeShortOrYear($type): |
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221
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7 |
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$value = $buffer->readInt2(); |
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222
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7 |
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$value = $this->zeroFillInts($column, $value); |
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223
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7 |
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break; |
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224
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17 |
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case $this->isTypeInt24orLong($type): |
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225
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7 |
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$value = $buffer->readInt4(); |
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226
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227
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7 |
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if(($flags & \Plasma\Drivers\MySQL\FieldFlags::UNSIGNED_FLAG) !== 0 && \PHP_INT_SIZE <= 4) { |
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228
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$value = \bcadd($value, '18446744073709551616'); |
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229
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} |
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230
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231
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7 |
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$value = $this->zeroFillInts($column, $value); |
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232
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7 |
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break; |
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233
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17 |
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case ($type === 'LONGLONG'): |
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234
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7 |
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$value = $buffer->readInt8(); |
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235
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236
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7 |
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if(($flags & \Plasma\Drivers\MySQL\FieldFlags::UNSIGNED_FLAG) !== 0) { |
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237
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$value = \bcadd($value, '18446744073709551616'); |
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238
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7 |
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} elseif(\PHP_INT_SIZE > 4) { |
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239
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7 |
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$value = (int) $value; |
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240
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} |
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241
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242
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7 |
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$value = $this->zeroFillInts($column, $value); |
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243
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7 |
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break; |
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244
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10 |
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case ($type === 'FLOAT'): |
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245
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2 |
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$value = $buffer->readFloat(); |
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246
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2 |
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break; |
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247
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10 |
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case ($type === 'DOUBLE'): |
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248
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2 |
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$value = $buffer->readDouble(); |
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249
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2 |
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break; |
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250
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8 |
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case $this->isTypeDate($type): |
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251
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8 |
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$length = $buffer->readIntLength(); |
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252
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8 |
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if($length > 0) { |
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253
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1 |
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$year = $buffer->readInt2(); |
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254
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1 |
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$month = $buffer->readInt1(); |
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255
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1 |
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$day = $buffer->readInt1(); |
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256
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257
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1 |
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$value = \sprintf('%04d-%02d-%02d', $year, $month, $day); |
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258
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} else { |
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259
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7 |
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$value = '0000-00-00'; |
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260
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} |
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261
|
8 |
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break; |
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262
|
8 |
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case $this->isTypeDateTime($type): |
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263
|
8 |
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$length = $buffer->readIntLength(); |
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264
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8 |
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if($length > 0) { |
|
265
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2 |
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$year = $buffer->readInt2(); |
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266
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2 |
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$month = $buffer->readInt1(); |
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267
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2 |
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$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 = $buffer->readInt1(); |
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271
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1 |
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$min = $buffer->readInt1(); |
|
272
|
1 |
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$sec = $buffer->readInt1(); |
|
273
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} else { |
|
274
|
1 |
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$hour = 0; |
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275
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1 |
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$min = 0; |
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276
|
1 |
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$sec = 0; |
|
277
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} |
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278
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|
279
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2 |
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if($length > 7) { |
|
280
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|
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$microI = $buffer->readInt4(); |
|
281
|
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} else { |
|
282
|
2 |
|
$microI = 0; |
|
283
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|
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} |
|
284
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|
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|
|
285
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2 |
|
$micro = \str_pad($microI, 6, '0', \STR_PAD_LEFT); |
|
286
|
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, $micro); |
|
289
|
|
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|
290
|
2 |
|
if($type === 'TIMESTAMP') { |
|
291
|
2 |
|
$value = \DateTime::createFromFormat('Y-m-d H:i:s'.($microI > 0 ? '.u' : ''), $value)->getTimestamp(); |
|
292
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|
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} |
|
293
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|
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} else { |
|
294
|
8 |
|
$value = '0000-00-00 00:00:00.000 000'; |
|
295
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|
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} |
|
296
|
8 |
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break; |
|
297
|
8 |
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case ($type === 'TIME'): |
|
298
|
8 |
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$length = $buffer->readIntLength(); |
|
299
|
8 |
|
if($length > 1) { |
|
300
|
1 |
|
$sign = $buffer->readInt1(); |
|
301
|
1 |
|
$days = $buffer->readInt4(); |
|
302
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|
303
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1 |
|
if($sign === 1) { |
|
304
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|
$days *= -1; |
|
305
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} |
|
306
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|
307
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1 |
|
$hour = $buffer->readInt1(); |
|
308
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1 |
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$min = $buffer->readInt1(); |
|
309
|
1 |
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$sec = $buffer->readInt1(); |
|
310
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|
311
|
1 |
|
if($length > 8) { |
|
312
|
|
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$microI = $buffer->readInt4(); |
|
313
|
|
|
} else { |
|
314
|
1 |
|
$microI = 0; |
|
315
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|
|
} |
|
316
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|
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|
|
317
|
1 |
|
$micro = \str_pad($microI, 6, '0', \STR_PAD_LEFT); |
|
318
|
1 |
|
$micro = \substr($micro, 0, 3).' '.\substr($micro, 3); |
|
319
|
|
|
|
|
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
|
|
|
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
|
|
|
$types = array( |
|
339
|
35 |
|
'STRING', 'VARCHAR', 'VARSTRING', 'ENUM', 'SET', 'LONGBLOB', |
|
340
|
|
|
'MEDIUMBLOB', 'BLOB', 'TINYBLOB', 'GEMOTERY', 'BIT', 'DECIMAL', |
|
341
|
|
|
'NEWDECIMAL', 'JSON' |
|
342
|
|
|
); |
|
343
|
|
|
|
|
344
|
35 |
|
return \in_array($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
|
|
|
|