executor: using ToHashKey to check equality of decimal when count(distinct) (#9901) #9931
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XuHuaiyu
added
type/bug-fix
|
/run-all-tests tidb-test=release-2.1 pd=release-2.1 tikv=release-2.1 |
zimulala
reviewed
Mar 28, 2019
| if err != nil || isNull { | ||
| return encodedBytes, isNull, errors.Trace(err) | ||
| break | ||
| } | ||
| encodedBytes = appendInt64(encodedBytes, buf, val) |
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Suggested change
| encodedBytes = appendInt64(encodedBytes, buf, val) | |
| val, isNull, err = arg.EvalInt(sctx, row) | |
| if err == nil && !isNull { | |
| encodedBytes = appendInt64(encodedBytes, buf, val) | |
| } |
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It's ok here.
I'll change this format in master.
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cherry-pick #9901