AutoMigrate keeps receating tables if model has unique composite indexes

[IrineSistiana]

Explain your user case and expected results

这是一个极简复现。

test 不会 failed。但可以从 log 中看出表被重建了多次。

2023/08/23 19:34:30 main_test.go:31
[0.000ms] [rows:-] SELECT count(*) FROM sqlite_master WHERE type='table' AND name="ms"

2023/08/23 19:34:30 main_test.go:31
[0.000ms] [rows:2] SELECT sql FROM sqlite_master WHERE type IN ("table","index") AND tbl_name = "ms" AND sql IS NOT NULL order by type = "table" desc

2023/08/23 19:34:30 main_test.go:31
[0.000ms] [rows:-] SELECT * FROM `ms` LIMIT 1

2023/08/23 19:34:30 main_test.go:31
[0.554ms] [rows:1] PRAGMA foreign_keys

2023/08/23 19:34:30 
[0.000ms] [rows:-] SELECT sql FROM sqlite_master WHERE type = "table" AND tbl_name = "ms" AND name = "ms"

2023/08/23 19:34:30 
[0.590ms] [rows:0] CREATE TABLE `ms__temp` (`id` integer,`i` text,`i2` text,PRIMARY KEY (`id`))

2023/08/23 19:34:30 
[0.000ms] [rows:0] INSERT INTO `ms__temp`(`id`,`i`,`i2`) SELECT `id`,`i`,`i2` FROM `ms`

2023/08/23 19:34:30 
[0.610ms] [rows:0] DROP TABLE `ms`

2023/08/23 19:34:30 
[2.264ms] [rows:0] ALTER TABLE `ms__temp` RENAME TO `ms`

2023/08/23 19:34:30 main_test.go:31
[0.000ms] [rows:1] PRAGMA foreign_keys

2023/08/23 19:34:30 
[0.000ms] [rows:-] SELECT sql FROM sqlite_master WHERE type = "table" AND tbl_name = "ms" AND name = "ms"

2023/08/23 19:34:30 
[0.000ms] [rows:0] CREATE TABLE `ms__temp` (`id` integer,`i` text,`i2` text,PRIMARY KEY (`id`))

2023/08/23 19:34:30 
[0.000ms] [rows:0] INSERT INTO `ms__temp`(`id`,`i`,`i2`) SELECT `id`,`i`,`i2` FROM `ms`

2023/08/23 19:34:30 
[0.539ms] [rows:0] DROP TABLE `ms`

2023/08/23 19:34:30 
[1.057ms] [rows:0] ALTER TABLE `ms__temp` RENAME TO `ms`

2023/08/23 19:34:30 main_test.go:31
[0.000ms] [rows:-] SELECT count(*) FROM sqlite_master WHERE type = "index" AND tbl_name = "ms" AND name = "idx_name"

2023/08/23 19:34:30 main_test.go:31
[0.000ms] [rows:0] CREATE UNIQUE INDEX `idx_name` ON `ms`(`i`,`i2`)
PASS
Process 23596 has exited with status 0
Detaching
dlv dap (26924) exited with code: 0