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This commit is contained in:
Adrien Carreira 2021-08-28 10:27:19 +02:00
parent c1ef2d658c
commit 189f3393ca
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GPG Key ID: 1669B90F3D848B2E
2 changed files with 11 additions and 8 deletions
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15
chainable_api.go
View File

@ -172,15 +172,18 @@ func (db *DB) Or(query interface{}, args ...interface{}) (tx *DB) {
// Joins specify Joins conditions
// db.Joins("Account").Find(&user)
// db.Joins("JOIN emails ON emails.user_id = users.id AND emails.email = ?", "jinzhu@example.org").Find(&user)
// db.Joins("Account", DB.Select("id").Where("user_id = users.id AND name = ?", "someName").Model(&Account{}))
func (db *DB) Joins(query string, args ...interface{}) (tx *DB) {
tx = db.getInstance()
tx.Statement.Joins = append(tx.Statement.Joins, join{Name: query, Conds: args})
return
}
func (db *DB) JoinsOn(query string, on interface{}, args ...interface{}) (tx *DB) {
tx = db.getInstance()
tx.Statement.Joins = append(tx.Statement.Joins, join{Name: query, Conds: args, On: on})
if len(args) > 0 {
if db, ok := args[0].(*DB); ok {
tx.Statement.Joins = append(tx.Statement.Joins, join{Name: query, Conds: args[1:], On: db})
return
}
}
tx.Statement.Joins = append(tx.Statement.Joins, join{Name: query, Conds: args})
return
}

4
tests/joins_test.go
View File

@ -111,14 +111,14 @@ func TestJoinOn(t *testing.T) {
var user1 User
onQuery := DB.Select("id").Where("user_id = users.id AND name = ?", "joins-on_pet_1").Model(&Pet{})
if err := DB.JoinsOn("NamedPet", onQuery).Where("users.name = ?", user.Name).First(&user1).Error; err != nil {
if err := DB.Joins("NamedPet", onQuery).Where("users.name = ?", user.Name).First(&user1).Error; err != nil {
t.Fatalf("Failed to load with joins on, got error: %v", err)
}
AssertEqual(t, user1.NamedPet.Name, "joins-on_pet_1")
onQuery2 := DB.Select("id").Where("user_id = users.id AND name = ?", "joins-on_pet_2").Model(&Pet{})
var user2 User
if err := DB.JoinsOn("NamedPet", onQuery2).Where("users.name = ?", user.Name).First(&user2).Error; err != nil {
if err := DB.Joins("NamedPet", onQuery2).Where("users.name = ?", user.Name).First(&user2).Error; err != nil {
t.Fatalf("Failed to load with joins on, got error: %v", err)
}
AssertEqual(t, user2.NamedPet.Name, "joins-on_pet_2")