/**
* Convert output of SHOW COLUMN to DataType.
*
* @param array $row
* Row result.
* @throws TypeException If type unsupported.
* @return DataType The type.
*/
private function toDataType($row)
{
$null = (isset($row['Null']) and $row['Null'] != 'NO');
$default = null;
if (isset($row['Default'])) {
$default = $row['Default'];
}
if (preg_match('/enum\\((.+)\\)/i', $row['Type'], $matches) === 1) {
preg_match_all('/\'([^\']+)\'/', $matches[1], $matches);
$values = $matches[1];
return DataType::enum($values, $null, $default);
}
preg_match('/ *([^ (]+) *(\\(([0-9]+)\\))? *(unsigned)? *?/i', $row['Type'], $matches);
$actualType = strtolower($matches[1]);
$length = isset($matches[3]) ? intval($matches[3]) : 0;
$intFlags = 0;
if (isset($matches[4])) {
$intFlags |= DataType::UNSIGNED;
}
if (strpos($row['Extra'], 'auto_increment') !== false) {
$intFlags |= DataType::SERIAL;
}
switch ($actualType) {
case 'bigint':
$intFlags |= DataType::BIG;
return DataType::integer($intFlags, $null, isset($default) ? intval($default) : null);
case 'smallint':
$intFlags |= DataType::SMALL;
return DataType::integer($intFlags, $null, isset($default) ? intval($default) : null);
case 'tinyint':
$intFlags |= DataType::TINY;
return DataType::integer($intFlags, $null, isset($default) ? intval($default) : null);
case 'int':
return DataType::integer($intFlags, $null, isset($default) ? intval($default) : null);
case 'double':
return DataType::float($null, isset($default) ? floatval($default) : null);
case 'varchar':
return DataType::string($length, $null, $default);
case 'blob':
return DataType::binary($null, $default);
case 'date':
return DataType::date($null, isset($default) ? strtotime($default . ' UTC') : null);
case 'datetime':
return DataType::dateTime($null, isset($default) ? strtotime($default . ' UTC') : null);
case 'text':
return DataType::text($null, $default);
}
throw new TypeException('Unsupported MySQL type for column: ' . $row['Field']);
}
/**
* Convert output of PRAGMA to DataType.
*
* @param array $row
* Row result.
* @throws TypeException If type unsupported.
* @return DataType The type.
*/
private function toDataType($row)
{
if (preg_match('/ *([^ (]+) *(\\(([0-9]+)\\))? */i', $row['type'], $matches) !== 1) {
throw new TypeException('Cannot read type "' . $row['type'] . '" for column: ' . $row['name']);
}
$actualType = strtolower($matches[1]);
$length = isset($matches[3]) ? $matches[3] : 0;
$null = (isset($row['notnull']) and $row['notnull'] != '1');
$default = null;
if (isset($row['dflt_value'])) {
$default = stripslashes(preg_replace('/^\'|\'$/', '', $row['dflt_value']));
}
switch ($actualType) {
case 'integer':
return DataType::integer(DataType::BIG, $null, isset($default) ? intval($default) : null);
case 'real':
return DataType::float($null, isset($default) ? floatval($default) : null);
case 'text':
return DataType::text($null, $default);
case 'blob':
return DataType::binary($null, $default);
}
throw new TypeException('Unsupported SQLite type for column: ' . $row['name']);
}