db_ignore_slave in core/includes/database/database.inc

EntityDatabaseStorageController::delete in core/modules/entity/entity.controller.inc

Implements EntityStorageControllerInterface::delete().

EntityDatabaseStorageController::save in core/modules/entity/entity.controller.inc

Implements EntityStorageControllerInterface::save().

NodeStorageController::delete in core/modules/node/node.entity.inc

Overrides EntityDatabaseStorageController::delete().

NodeStorageController::save in core/modules/node/node.entity.inc

Overrides EntityDatabaseStorageController::save().

redirect_save in core/modules/redirect/redirect.module

Save an URL redirect.