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Allow override alias table in preload conditions

This commit is contained in:
Jinzhu 2020-08-25 18:59:19 +08:00
parent 0f3201e73b
commit 3195ae1207
2 changed files with 18 additions and 3 deletions
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6
callbacks/preload.go
View File

@ -50,7 +50,7 @@ func preload(db *gorm.DB, rels []*schema.Relationship, conds []interface{}) {
joinResults := rel.JoinTable.MakeSlice().Elem()
column, values := schema.ToQueryValues(rel.JoinTable.Table, joinForeignKeys, joinForeignValues)
tx.Where(clause.IN{Column: column, Values: values}).Find(joinResults.Addr().Interface())
db.AddError(tx.Where(clause.IN{Column: column, Values: values}).Find(joinResults.Addr().Interface()).Error)
// convert join identity map to relation identity map
fieldValues := make([]interface{}, len(joinForeignFields))
@ -93,7 +93,7 @@ func preload(db *gorm.DB, rels []*schema.Relationship, conds []interface{}) {
}
reflectResults := rel.FieldSchema.MakeSlice().Elem()
column, values := schema.ToQueryValues(rel.FieldSchema.Table, relForeignKeys, foreignValues)
column, values := schema.ToQueryValues(clause.CurrentTable, relForeignKeys, foreignValues)
for _, cond := range conds {
if fc, ok := cond.(func(*gorm.DB) *gorm.DB); ok {
@ -103,7 +103,7 @@ func preload(db *gorm.DB, rels []*schema.Relationship, conds []interface{}) {
}
}
tx.Where(clause.IN{Column: column, Values: values}).Find(reflectResults.Addr().Interface(), inlineConds...)
db.AddError(tx.Where(clause.IN{Column: column, Values: values}).Find(reflectResults.Addr().Interface(), inlineConds...).Error)
fieldValues := make([]interface{}, len(relForeignFields))

15
tests/preload_test.go
View File

@ -5,6 +5,7 @@ import (
"strconv"
"testing"
"gorm.io/gorm"
"gorm.io/gorm/clause"
. "gorm.io/gorm/utils/tests"
)
@ -108,6 +109,20 @@ func TestPreloadWithConds(t *testing.T) {
}
CheckUser(t, users2[0], users[0])
var users3 []User
if err := DB.Preload("Account", func(tx *gorm.DB) *gorm.DB {
return tx.Table("accounts AS a").Select("a.*")
}).Find(&users3, "id IN ?", userIDs).Error; err != nil {
t.Errorf("failed to query, got error %v", err)
}
sort.Slice(users3, func(i, j int) bool {
return users2[i].ID < users2[j].ID
})
for i, u := range users3 {
CheckUser(t, u, users[i])
}
}
func TestNestedPreloadWithConds(t *testing.T) {