fix: count with group (#6157) (#6160)

* fix: count with group (#6157)

* add an easy-to-understand ut
This commit is contained in:
black-06 2023-03-23 11:19:53 +08:00 committed by GitHub
parent 0c7e575f19
commit 1a7ea98ac5
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2 changed files with 29 additions and 3 deletions

View File

@ -491,7 +491,7 @@ func (db *DB) Count(count *int64) (tx *DB) {
tx.Statement.Dest = count
tx = tx.callbacks.Query().Execute(tx)
if tx.RowsAffected != 1 {
if _, ok := db.Statement.Clauses["GROUP BY"]; ok || tx.RowsAffected != 1 {
*count = tx.RowsAffected
}

View File

@ -11,6 +11,32 @@ import (
. "gorm.io/gorm/utils/tests"
)
func TestCountWithGroup(t *testing.T) {
DB.Create([]Company{
{Name: "company_count_group_a"},
{Name: "company_count_group_a"},
{Name: "company_count_group_a"},
{Name: "company_count_group_b"},
{Name: "company_count_group_c"},
})
var count1 int64
if err := DB.Model(&Company{}).Where("name = ?", "company_count_group_a").Group("name").Count(&count1).Error; err != nil {
t.Errorf(fmt.Sprintf("Count should work, but got err %v", err))
}
if count1 != 1 {
t.Errorf("Count with group should be 1, but got count: %v", count1)
}
var count2 int64
if err := DB.Debug().Model(&Company{}).Where("name in ?", []string{"company_count_group_b", "company_count_group_c"}).Group("name").Count(&count2).Error; err != nil {
t.Errorf(fmt.Sprintf("Count should work, but got err %v", err))
}
if count2 != 2 {
t.Errorf("Count with group should be 2, but got count: %v", count2)
}
}
func TestCount(t *testing.T) {
var (
user1 = *GetUser("count-1", Config{})
@ -141,8 +167,8 @@ func TestCount(t *testing.T) {
}
DB.Create(sameUsers)
if err := DB.Model(&User{}).Where("name = ?", "count-4").Group("name").Count(&count11).Error; err != nil || count11 != int64(len(sameUsers)) {
t.Fatalf("Count should be 3, but got count: %v err %v", count11, err)
if err := DB.Model(&User{}).Where("name = ?", "count-4").Group("name").Count(&count11).Error; err != nil || count11 != 1 {
t.Fatalf("Count should be 1, but got count: %v err %v", count11, err)
}
var count12 int64