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ddl: fix exposion of magic number (#37786)

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close pingcap/tidb#37686
This commit is contained in:
CbcWestwolf
2022-09-13 19:52:57 +08:00
committed by GitHub
parent dfde95cb93
commit bc00938e5b
1 changed files with 4 additions and 2 deletions
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6
ddl/ddl_api.go
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@ -4335,8 +4335,10 @@ func processColumnOptions(ctx sessionctx.Context, col *table.Column, options []*
col.DelFlag(mysql.NotNullFlag)
case ast.ColumnOptionAutoIncrement:
col.AddFlag(mysql.AutoIncrementFlag)
case ast.ColumnOptionPrimaryKey, ast.ColumnOptionUniqKey:
return dbterror.ErrUnsupportedModifyColumn.GenWithStack("can't change column constraint - %v", opt.Tp)
case ast.ColumnOptionPrimaryKey:
return errors.Trace(dbterror.ErrUnsupportedModifyColumn.GenWithStack("can't change column constraint (PRIMARY KEY)"))
case ast.ColumnOptionUniqKey:
return errors.Trace(dbterror.ErrUnsupportedModifyColumn.GenWithStack("can't change column constraint (UNIQUE KEY)"))
case ast.ColumnOptionOnUpdate:
// TODO: Support other time functions.
if col.GetType() == mysql.TypeTimestamp || col.GetType() == mysql.TypeDatetime {