/**
* Creates a column definition as required by the DBAL from an ORM field mapping definition.
*
* @param ClassMetadata $class The class that owns the field mapping.
* @param array $mapping The field mapping.
* @param Table $table
* @return array The portable column definition as required by the DBAL.
*/
private function _gatherColumn($class, array $mapping, $table)
{
$columnName = $class->getQuotedColumnName($mapping['fieldName'], $this->_platform);
$columnType = $mapping['type'];
$options = array();
$options['length'] = isset($mapping['length']) ? $mapping['length'] : null;
$options['notnull'] = isset($mapping['nullable']) ? !$mapping['nullable'] : true;
$options['platformOptions'] = array();
$options['platformOptions']['version'] = $class->isVersioned && $class->versionField == $mapping['fieldName'] ? true : false;
if (strtolower($columnType) == 'string' && $options['length'] === null) {
$options['length'] = 255;
}
if (isset($mapping['precision'])) {
$options['precision'] = $mapping['precision'];
}
if (isset($mapping['scale'])) {
$options['scale'] = $mapping['scale'];
}
if (isset($mapping['default'])) {
$options['default'] = $mapping['default'];
}
if (isset($mapping['columnDefinition'])) {
$options['columnDefinition'] = $mapping['columnDefinition'];
}
if ($table->hasColumn($columnName)) {
// required in some inheritence scenarios
$table->changeColumn($columnName, $options);
} else {
$table->createColumn($columnName, $columnType, $options);
}
$isUnique = isset($mapping['unique']) ? $mapping['unique'] : false;
if ($isUnique) {
$table->addUniqueIndex(array($columnName));
}
}
