eZ\Publish\Core\Persistence\Legacy\Content\FieldValue\Converter::getIndexColumn PHP Method

getIndexColumn() public method

Returns the name of the index column the datatype uses, which is either "sort_key_int" or "sort_key_string". This column is then used for filtering and sorting for this type. If the indexing is not supported, this method must return false.

public getIndexColumn ( ) : string | false
return	string | false