Only the sqlmigrate and sqlflush commands can be used when an app has migrations.

samcao@samcao-Lenovo-IdeaPad-Y470:~/caodjango/caossh$ python manage.py sqlall getssh
System check identified some issues:

WARNINGS:
?: (1_8.W001) The standalone TEMPLATE_* settings were deprecated in Django 1.8 and the TEMPLATES dictionary takes precedence. You must put the values of the following settings into your default TEMPLATES dict: TEMPLATE_DEBUG.
CommandError: App 'getssh' has migrations. Only the sqlmigrate and sqlflush commands can be used when an app has migrations.
samcao@samcao-Lenovo-IdeaPad-Y470:~/caodjango/caossh$

samcao@samcao-Lenovo-IdeaPad-Y470:~/caodjango/caossh/getssh$ mv migrations/ migrations.back/
samcao@samcao-Lenovo-IdeaPad-Y470:~/caodjango/caossh/getssh$

samcao@samcao-Lenovo-IdeaPad-Y470:~/caodjango/caossh$ python manage.py sql getssh
System check identified some issues:

WARNINGS:
?: (1_8.W001) The standalone TEMPLATE_* settings were deprecated in Django 1.8 and the TEMPLATES dictionary takes precedence. You must put the values of the following settings into your default TEMPLATES dict: TEMPLATE_DEBUG.
BEGIN;
CREATE TABLE `getssh_publisher` (
    `id` integer AUTO_INCREMENT NOT NULL PRIMARY KEY,
    `name` varchar(30) NOT NULL,
    `address` varchar(50) NOT NULL,
    `city` varchar(60) NOT NULL,
    `state_province` varchar(30) NOT NULL,
    `country` varchar(50) NOT NULL,
    `website` varchar(200) NOT NULL
)
;
CREATE TABLE `getssh_author` (
    `id` integer AUTO_INCREMENT NOT NULL PRIMARY KEY,
    `first_name` varchar(30) NOT NULL,
    `last_name` varchar(40) NOT NULL,
    `email` varchar(254) NOT NULL
)
;
CREATE TABLE `getssh_book_authors` (
    `id` integer AUTO_INCREMENT NOT NULL PRIMARY KEY,
    `book_id` integer NOT NULL,
    `author_id` integer NOT NULL,
    UNIQUE (`book_id`, `author_id`)
)
;
ALTER TABLE `getssh_book_authors` ADD CONSTRAINT `author_id_refs_id_20f26b36` FOREIGN KEY (`author_id`) REFERENCES `getssh_author` (`id`);
CREATE TABLE `getssh_book` (
    `id` integer AUTO_INCREMENT NOT NULL PRIMARY KEY,
    `title` varchar(100) NOT NULL,
    `publisher_id` integer NOT NULL,
    `publication_date` date NOT NULL
)
;
ALTER TABLE `getssh_book` ADD CONSTRAINT `publisher_id_refs_id_99765d4d` FOREIGN KEY (`publisher_id`) REFERENCES `getssh_publisher` (`id`);
ALTER TABLE `getssh_book_authors` ADD CONSTRAINT `book_id_refs_id_2cfb1c02` FOREIGN KEY (`book_id`) REFERENCES `getssh_book` (`id`);

COMMIT;
samcao@samcao-Lenovo-IdeaPad-Y470:~/caodjango/caossh$

提示Only the sqlmigrate and sqlflush commands can be used when an app has migrations.

将apps目录下面的migrations文件夹删除掉,或者重命名一下即可.