Set a field to have no default value.
$table: The table to be altered.
$field: The field to be altered.
Drupal\Core\Database\SchemaObjectDoesNotExistException If the specified table or field doesn't exist.
Overrides Schema::fieldSetNoDefault
public function fieldSetNoDefault($table, $field) {
if (!$this
->fieldExists($table, $field)) {
throw new SchemaObjectDoesNotExistException(t("Cannot remove default value of field @table.@field: field doesn't exist.", array(
'@table' => $table,
'@field' => $field,
)));
}
$old_schema = $this
->introspectSchema($table);
$new_schema = $old_schema;
unset($new_schema['fields'][$field]['default']);
$this
->alterTable($table, $old_schema, $new_schema);
}