/**
*
* @param array $columnNames
* @param string $indexName
* @param bool $isUnique
* @param bool $isPrimary
* @return Table
*/
private function _createIndex(array $columnNames, $indexName, $isUnique, $isPrimary)
{
if (preg_match('(([^a-zA-Z0-9_]+))', $indexName)) {
throw SchemaException::indexNameInvalid($indexName);
}
foreach ($columnNames as $columnName => $indexColOptions) {
if (is_numeric($columnName) && is_string($indexColOptions)) {
$columnName = $indexColOptions;
}
if (!$this->hasColumn($columnName)) {
throw SchemaException::columnDoesNotExist($columnName, $this->_name);
}
}
$this->_addIndex(new Index($indexName, $columnNames, $isUnique, $isPrimary));
return $this;
}
/**
* @param array $columnNames
* @param string $indexName
* @param boolean $isUnique
* @param boolean $isPrimary
* @param array $flags
* @param array $options
*
* @return Index
*
* @throws SchemaException
*/
private function _createIndex(array $columnNames, $indexName, $isUnique, $isPrimary, array $flags = array(), array $options = array())
{
if (preg_match('(([^a-zA-Z0-9_]+))', $this->normalizeIdentifier($indexName))) {
throw SchemaException::indexNameInvalid($indexName);
}
foreach ($columnNames as $columnName => $indexColOptions) {
if (is_numeric($columnName) && is_string($indexColOptions)) {
$columnName = $indexColOptions;
}
if (!$this->hasColumn($columnName)) {
throw SchemaException::columnDoesNotExist($columnName, $this->_name);
}
}
return new Index($indexName, $columnNames, $isUnique, $isPrimary, $flags, $options);
}
