src/ORM/Connect/DBSchemaManager.php
public function transAlterField($table, $field, $schema)
    {
        $this->transInitTable($table);
        $this->schemaUpdateTransaction[$table]['alteredFields'][$field] = $schema;
    }
public function transAlterField($table, $field, $schema)
    {
        $this->transInitTable($table);
        $this->schemaUpdateTransaction[$table]['alteredFields'][$field] = $schema;
    }
public function transAlterField ( $ table , $ field , $ schema ) { $ this -> transInitTable ( $ table ) ; $ this -> schemaUpdateTransaction [ $ table ] [ 'alteredFields' ] [ $ field ] = $ schema ; }
Instruct the schema manager to record a field to be later updated

@param string $table Name of the table to hold this field
@param string $field Name of the field to update
@param string $schema Field specification as a string
Instruct the schema manager to record a field to be later updated