Name Type Location Description
user_schema_alter function core/modules/user/user.install Implements hook_schema_alter().
hook_schema_alter function core/modules/system/system.api.php Perform alterations to existing database schemas.
comment_schema_alter function core/modules/comment/comment.install Implements hook_schema_alter().
hook_field_schema_alter function core/modules/field/field.api.php Allow modules to alter the schema for a field.
field_test_schema_alter.info file core/modules/field/tests/field_test_schema_alter/field_test_schema_alter.info name = "Field API Schema Alter Test" description = "Support module for the Field API schema alter tests." backdrop = 1.x package = Testing version = BACKDROP_VERSION type = module hidden = TRUE
field_test_schema_alter.module file core/modules/field/tests/field_test_schema_alter/field_test_schema_alter.module Empty file.
field_test_schema_alter.install file core/modules/field/tests/field_test_schema_alter/field_test_schema_alter.install Install, update and uninstall functions for the field_test_schema_alter module.
field_test_schema_alter_field_schema_alter function core/modules/field/tests/field_test_schema_alter/field_test_schema_alter.install Implements hook_field_schema_alter().
EntityReferenceBehaviorHandler::schema_alter function core/modules/entityreference/plugins/behavior/EntityReferenceBehaviorHandler.inc Alter the field schema.
EntityReferenceBehaviorHandlerInterface::schema_alter function core/modules/entityreference/plugins/behavior/EntityReferenceBehaviorHandler.inc Alter the field schema.