PlasmaPHP /
driver-mysql
| 1 | <?php |
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| 2 | /** |
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| 3 | * Plasma Driver MySQL component |
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| 4 | * Copyright 2018 PlasmaPHP, All Rights Reserved |
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| 5 | * |
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| 6 | * Website: https://github.com/PlasmaPHP |
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| 7 | * License: https://github.com/PlasmaPHP/driver-mysql/blob/master/LICENSE |
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| 8 | */ |
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| 9 | |||
| 10 | namespace Plasma\Drivers\MySQL\Commands; |
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| 11 | |||
| 12 | /** |
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| 13 | * Statement Execute command. |
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| 14 | * @internal |
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| 15 | */ |
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| 16 | class StatementExecuteCommand extends QueryCommand { |
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| 17 | /** |
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| 18 | * The identifier for this command. |
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| 19 | * @var int |
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| 20 | * @source |
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| 21 | */ |
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| 22 | const COMMAND_ID = 0x17; |
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| 23 | |||
| 24 | /** |
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| 25 | * @var mixed |
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| 26 | */ |
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| 27 | protected $id; |
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| 28 | |||
| 29 | /** |
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| 30 | * @var array |
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| 31 | */ |
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| 32 | protected $params; |
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| 33 | |||
| 34 | /** |
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| 35 | * Constructor. |
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| 36 | * @param \Plasma\DriverInterface $driver |
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| 37 | * @param mixed $id |
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| 38 | * @param string $query |
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| 39 | * @param array $params |
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| 40 | */ |
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| 41 | function __construct(\Plasma\DriverInterface $driver, $id, string $query, array $params) { |
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| 42 | parent::__construct($driver, $query); |
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| 43 | |||
| 44 | $this->id = $id; |
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| 45 | $this->params = $params; |
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| 46 | } |
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| 47 | |||
| 48 | /** |
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| 49 | * Get the encoded message for writing to the database connection. |
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| 50 | * @return string |
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| 51 | */ |
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| 52 | function getEncodedMessage(): string { |
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| 53 | $packet = \chr(static::COMMAND_ID); |
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| 54 | $packet .= \Plasma\BinaryBuffer::writeInt4($this->id); |
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| 55 | |||
| 56 | $packet .= "\x00"; // Cursor type flag |
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| 57 | $packet .= \Plasma\BinaryBuffer::writeInt4(1); // Iteration count is always 1 |
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| 58 | |||
| 59 | $bitmapOffset = \strlen($packet); |
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| 60 | $packet .= \str_repeat("\x00", ((\count($this->params) + 7) >> 3)); |
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| 61 | |||
| 62 | $bound = 0; |
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| 63 | |||
| 64 | $types = ''; |
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| 65 | $values = ''; |
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| 66 | |||
| 67 | foreach($this->params as $id => $param) { |
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| 68 | if($param === null) { |
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| 69 | $offset = $bitmapOffset + ($id >> 3); |
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| 70 | $packet[$offset] = $packet[$offset] | \chr((1 << ($id % 8))); |
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| 71 | } else { |
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| 72 | $bound = 1; |
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| 73 | } |
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| 74 | |||
| 75 | try { |
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| 76 | $manager = \Plasma\Types\TypeExtensionsManager::getManager('driver-mysql'); |
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| 77 | $encode = $manager->encodeType($param); |
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| 78 | |||
| 79 | $unsigned = $encode->isUnsigned(); |
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| 80 | $type = $encode->getSQLType(); |
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| 81 | $value = $encode->getValue(); |
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| 82 | } catch (\Plasma\Exception $e) { |
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| 83 | [ $unsigned, $type, $value ] = $this->stdEncodeValue($param); |
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| 84 | } |
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| 85 | |||
| 86 | $types .= \chr($type).($unsigned ? "\x80" : "\x00"); |
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| 87 | $values .= $value; |
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| 88 | var_dump($param, unpack('C*', $value)); |
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| 89 | } |
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| 90 | |||
| 91 | $packet .= \chr($bound); |
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| 92 | |||
| 93 | if($bound) { |
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| 94 | $packet .= $types; |
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| 95 | $packet .= $values; |
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| 96 | } |
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| 97 | |||
| 98 | return $packet; |
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| 99 | } |
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| 100 | |||
| 101 | /** |
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| 102 | * Whether the sequence ID should be resetted. |
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| 103 | * @return bool |
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| 104 | */ |
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| 105 | function resetSequence(): bool { |
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| 106 | return true; |
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| 107 | } |
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| 108 | |||
| 109 | /** |
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| 110 | * Parses the binary resultset row and returns the row. |
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| 111 | * @param \Plasma\ColumnDefinitionInterface $column |
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| 112 | * @param \Plasma\BinaryBuffer $buffer |
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| 113 | * @return array |
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| 114 | */ |
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| 115 | protected function parseResultsetRow(\Plasma\BinaryBuffer $buffer): array { |
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| 116 | $nullRow = array(); |
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| 117 | $i = 0; |
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| 118 | |||
| 119 | /** @var \Plasma\ColumnDefinitionInterface $column */ |
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| 120 | foreach($this->fields as $column) { // Handle NULL-bitmap |
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| 121 | if((\ord($buffer[(($i + 2) >> 3)]) & (1 << (($i + 2) % 8))) !== 0) { |
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| 122 | $nullRow[$column->getName()] = null; |
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| 123 | } |
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| 124 | |||
| 125 | $i++; |
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| 126 | } |
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| 127 | |||
| 128 | $buffer->read(((\count($this->fields) + 9) >> 3)); // Remove NULL-bitmap |
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| 129 | $row = array(); |
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| 130 | |||
| 131 | /** @var \Plasma\ColumnDefinitionInterface $column */ |
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| 132 | foreach($this->fields as $column) { |
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| 133 | if(\array_key_exists($column->getName(), $nullRow)) { |
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| 134 | $row[$column->getName()] = $nullRow[$column->getName()]; |
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| 135 | continue; |
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| 136 | } |
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| 137 | |||
| 138 | $value = $this->stdDecodeBinaryValue($column, $buffer); |
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| 139 | $parsedValue = $column->parseValue($value); |
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| 140 | |||
| 141 | if($value !== $parsedValue) { |
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| 142 | $value = $parsedValue; |
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| 143 | } |
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| 144 | |||
| 145 | $row[$column->getName()] = $value; |
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| 146 | } |
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| 147 | |||
| 148 | return $row; |
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| 149 | } |
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| 150 | |||
| 151 | /** |
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| 152 | * Standard encode value, if type extensions failed. |
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| 153 | * @param mixed $param |
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| 154 | * @return array |
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| 155 | * @throws \Plasma\Exception |
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| 156 | */ |
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| 157 | protected function stdEncodeValue($param): array { |
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| 158 | $unsigned = false; |
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| 159 | |||
| 160 | switch(\gettype($param)) { |
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| 161 | case 'boolean': |
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| 162 | $type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_TINY; |
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| 163 | $value = ($param ? "\x01" : "\0"); |
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| 164 | break; |
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| 165 | case 'integer': |
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| 166 | if($param >= 0) { |
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| 167 | $unsigned = true; |
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| 168 | } |
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| 169 | |||
| 170 | if($param >= 0 && $param < (1 << 15)) { |
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| 171 | $type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_SHORT; |
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| 172 | $value = \Plasma\BinaryBuffer::writeInt2($param); |
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| 173 | } elseif(\PHP_INT_SIZE === 4) { |
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| 174 | $type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_LONG; |
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| 175 | $value = \Plasma\BinaryBuffer::writeInt4($param); |
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| 176 | } else { |
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| 177 | $type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_LONGLONG; |
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| 178 | $value = \Plasma\BinaryBuffer::writeInt8($param); |
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| 179 | } |
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| 180 | break; |
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| 181 | case 'double': |
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| 182 | $type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_DOUBLE; |
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| 183 | $value = \Plasma\BinaryBuffer::writeDouble($param); |
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| 184 | break; |
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| 185 | case 'string': |
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| 186 | $type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_LONG_BLOB; |
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| 187 | $value = \Plasma\BinaryBuffer::writeStringLength($param); |
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| 188 | break; |
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| 189 | case 'NULL': |
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| 190 | $type = \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_NULL; |
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| 191 | $value = ''; |
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| 192 | break; |
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| 193 | default: |
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| 194 | throw new \Plasma\Exception('Unexpected type for binding parameter: '.\gettype($param)); |
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| 195 | break; |
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| 196 | } |
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| 197 | |||
| 198 | return array($unsigned, $type, $value); |
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| 199 | } |
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| 200 | |||
| 201 | /** |
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| 202 | * Standard decode value, if type extensions failed. |
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| 203 | * @param \Plasma\ColumnDefinitionInterface $column |
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| 204 | * @param \Plasma\BinaryBuffer $buffer |
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| 205 | * @return mixed |
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| 206 | * @throws \Plasma\Exception |
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| 207 | */ |
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| 208 | protected function stdDecodeBinaryValue(\Plasma\ColumnDefinitionInterface $column, \Plasma\BinaryBuffer $buffer) { |
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| 209 | $flags = $column->getFlags(); |
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| 210 | |||
| 211 | switch(true) { |
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| 212 | case (($flags & \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_TINY) !== 0): |
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| 213 | $value = $buffer->readInt1(); |
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| 214 | $value = $this->zeroFillInts($column, $value); |
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| 215 | break; |
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| 216 | case (($flags & \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_SHORT) !== 0): |
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| 217 | case (($flags & \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_YEAR) !== 0): |
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| 218 | $value = $buffer->readInt2(); |
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| 219 | $value = $this->zeroFillInts($column, $value); |
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| 220 | break; |
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| 221 | case (($flags & \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_INT24) !== 0): |
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| 222 | case (($flags & \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_LONG) !== 0): |
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| 223 | $value = $buffer->readInt4(); |
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| 224 | |||
| 225 | if(($flags & \Plasma\Drivers\MySQL\FieldFlags::UNSIGNED_FLAG) !== 0 && \PHP_INT_SIZE <= 4) { |
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| 226 | $value = \bcadd($value, '18446744073709551616'); |
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| 227 | } |
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| 228 | |||
| 229 | $value = $this->zeroFillInts($column, $value); |
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| 230 | break; |
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| 231 | case (($flags & \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_LONGLONG) !== 0): |
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| 232 | $value = $buffer->readInt8(); |
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| 233 | |||
| 234 | if(($flags & \Plasma\Drivers\MySQL\FieldFlags::UNSIGNED_FLAG) !== 0) { |
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| 235 | $value = \bcadd($value, '18446744073709551616'); |
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| 236 | } elseif(\PHP_INT_SIZE > 4) { |
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| 237 | $value = (int) $value; |
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| 238 | } |
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| 239 | |||
| 240 | $value = $this->zeroFillInts($column, $value); |
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| 241 | break; |
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| 242 | case (($flags & \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_FLOAT) !== 0): |
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| 243 | $value = $buffer->readFloat(); |
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| 244 | break; |
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| 245 | case (($flags & \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_DOUBLE) !== 0): |
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| 246 | $value = $buffer->readDouble(); |
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| 247 | break; |
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| 248 | case (($flags & \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_DATE) !== 0): |
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| 249 | case (($flags & \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_NEWDATE) !== 0): |
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| 250 | $length = $buffer->readIntLength(); |
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| 251 | if($length > 0) { |
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| 252 | $year = $buffer->readInt2(); |
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| 253 | $month = $buffer->readInt1(); |
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| 254 | $day = $buffer->readInt1(); |
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| 255 | |||
| 256 | $value = \sprintf('%d-%d-%d', $year, $month, $day); |
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| 257 | } else { |
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| 258 | $value = '0000-00-00'; |
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| 259 | } |
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| 260 | break; |
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| 261 | case (($flags & \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_DATETIME) !== 0): |
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| 262 | case (($flags & \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_TIMESTAMP) !== 0): |
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| 263 | $length = $buffer->readIntLength(); |
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| 264 | if($length > 0) { |
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| 265 | $year = $buffer->readInt2(); |
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| 266 | $month = $buffer->readInt1(); |
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| 267 | $day = $buffer->readInt1(); |
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| 268 | |||
| 269 | if($length > 4) { |
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| 270 | $hour = $buffer->readInt1(); |
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| 271 | $min = $buffer->readInt1(); |
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| 272 | $sec = $buffer->readInt1(); |
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| 273 | } else { |
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| 274 | $hour = 0; |
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| 275 | $min = 0; |
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| 276 | $sec = 0; |
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| 277 | } |
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| 278 | |||
| 279 | if($length > 7) { |
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| 280 | $micro = $buffer->readInt4(); |
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| 281 | } else { |
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| 282 | $micro = 0; |
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| 283 | } |
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| 284 | |||
| 285 | $timestamp = (($flags & \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_TIMESTAMP) !== 0); |
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| 286 | |||
| 287 | $micro = \str_pad($micro, 6, '0', \STR_PAD_LEFT); |
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| 288 | $micro = ($timestamp ? $micro : \number_format($micro, 0, '', ' ')); |
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| 289 | |||
| 290 | $value = \sprintf('%d-%d-%d %d:%d:%d'.($micro > 0 ? '.%s' : ''), $year, $month, $day, $hour, $min, $sec, $micro); |
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| 291 | |||
| 292 | if($timestamp) { |
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| 293 | $value = \DateTime::createFromFormat('Y-m-d H:i:s'.($micro > 0 ? '.u' : ''), $value)->getTimestamp(); |
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| 294 | } |
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| 295 | } else { |
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| 296 | $value = '0000-00-00 00:00:00.000 000'; |
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| 297 | } |
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| 298 | break; |
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| 299 | case (($flags & \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_TIME) !== 0): |
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| 300 | $length = $buffer->readIntLength(); |
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| 301 | if($length > 0) { |
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| 302 | $sign = $buffer->readInt1(); |
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| 303 | $days = $buffer->readInt4(); |
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| 304 | |||
| 305 | if($sign === 1) { |
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| 306 | $days *= -1; |
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| 307 | } |
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| 308 | |||
| 309 | $hour = $buffer->readInt1(); |
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| 310 | $min = $buffer->readInt1(); |
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| 311 | $sec = $buffer->readInt1(); |
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| 312 | |||
| 313 | if($length > 8) { |
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| 314 | $micro = $buffer->readInt4(); |
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| 315 | } else { |
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| 316 | $micro = 0; |
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| 317 | } |
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| 318 | |||
| 319 | $micro = \str_pad($micro, 6, '0', \STR_PAD_LEFT); |
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| 320 | $micro = \number_format($micro, 0, '', ' '); |
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| 321 | |||
| 322 | $value = \sprintf('%dd %d:%d:%d'.($micro > 0 ? '.%s' : ''), $days, $hour, $min, $sec, $micro); |
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| 323 | } else { |
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| 324 | $value = '0d 00:00:00'; |
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| 325 | } |
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| 326 | break; |
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| 327 | case (($flags & \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_NULL) !== 0): |
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| 328 | $value = null; |
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| 329 | break; |
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| 330 | case (($flags & \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_STRING) !== 0): |
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| 331 | case (($flags & \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_VARCHAR) !== 0): |
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| 332 | case (($flags & \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_VAR_STRING) !== 0): |
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| 333 | case (($flags & \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_ENUM) !== 0): |
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| 334 | case (($flags & \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_SET) !== 0): |
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| 335 | case (($flags & \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_LONG_BLOB) !== 0): |
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| 336 | case (($flags & \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_MEDIUM_BLOB) !== 0): |
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| 337 | case (($flags & \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_BLOB) !== 0): |
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| 338 | case (($flags & \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_TINY_BLOB) !== 0): |
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| 339 | case (($flags & \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_GEOMETRY) !== 0): |
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| 340 | case (($flags & \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_BIT) !== 0): |
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| 341 | case (($flags & \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_DECIMAL) !== 0): |
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| 342 | case (($flags & \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_NEWDECIMAL) !== 0): |
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| 343 | case (($flags & \Plasma\Drivers\MySQL\FieldFlags::FIELD_TYPE_JSON) !== 0): |
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| 344 | case ($column->getType() === 'VARSTRING'): // WTF is going on ?! flags = 0, type = VARSTRING |
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| 345 | $value = $buffer->readStringLength(); |
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| 346 | break; |
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| 347 | default: |
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| 348 | throw new \InvalidArgumentException('Unknown column type (flags: '.$flags.', type: '.$column->getType().')'); |
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| 349 | break; |
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| 350 | } |
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| 351 | |||
| 352 | return $value; |
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| 353 | } |
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| 354 | |||
| 355 | /** |
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| 356 | * @param \Plasma\ColumnDefinitionInterface $column |
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| 357 | * @param string|int $value |
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| 358 | * @return string|int |
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| 359 | */ |
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| 360 | protected function zeroFillInts(\Plasma\ColumnDefinitionInterface $column, $value) { |
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| 361 | $flags = $column->getFlags(); |
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| 362 | |||
| 363 | if(($flags & \Plasma\Drivers\MySQL\FieldFlags::ZEROFILL_FLAG) !== 0) { |
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| 364 | $value = \str_pad(((string) $value), $column->getLength(), '0', \STR_PAD_LEFT); |
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| 365 | } |
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| 366 | |||
| 367 | return $value; |
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| 368 | } |
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| 369 | } |
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| 370 |