keon94 commented on code in PR #5957:
URL:
https://github.com/apache/incubator-devlake/pull/5957#discussion_r1305912786
##########
backend/server/services/remote/models/migration.go:
##########
@@ -101,6 +101,28 @@ func (o DropTableOperation) Execute(basicRes
context.BasicRes) errors.Error {
var _ Operation = (*DropTableOperation)(nil)
+type RenameColumnOperation struct {
+ Table string `json:"table"`
+ OldName string `json:"old_name"`
+ NewName string `json:"new_name"`
+}
+
+func (o RenameColumnOperation) Execute(basicRes context.BasicRes) errors.Error
{
+ db := basicRes.GetDal()
+ if !db.HasColumn(o.Table, o.OldName) {
+ return nil
+ }
+ if db.HasColumn(o.Table, o.NewName) {
+ err := db.DropColumns(o.Table, o.NewName)
Review Comment:
why should we drop the column if it exists? That'll cause data loss. Isn't
just doing RenameColumn() enough?
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