expression: return NULL when error is not nil #4749
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/run-all-test |
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@XuHuaiyu PTAL |
coocood
reviewed
Oct 11, 2017
| @@ -228,7 +228,7 @@ func (b *builtinPasswordSig) evalString(row []types.Datum) (d string, isNull boo | |||
| sc := b.ctx.GetSessionVars().StmtCtx | |||
| pass, isNull, err := b.args[0].EvalString(row, sc) | |||
| if isNull || err != nil { | |||
| return "", false, errors.Trace(err) | |||
| return "", err != nil, errors.Trace(err) | |||
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Should be return "", true, errors.Trace(err)?
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no, password(NULL) should return an empty string, not NULL
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LGTM |
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