plan/explain: add explain info for topn. #5287
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@winoros better to add some test to https://github.com/pingcap/tidb-test |
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LGTM |
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@zz-jason already a pending pr. |
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/run-all-tests |
1 similar comment
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/run-all-tests |
hanfei1991
reviewed
Dec 3, 2017
| func (p *TopN) ExplainInfo() string { | ||
| buffer := bytes.NewBufferString("") | ||
| for i, item := range p.ByItems { | ||
| order := "asc" |
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We can define explain info for by item. There exists same logic in sort and topn
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/run-all-tests |
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/run-unit-test |
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/run-all-tests |
coocood
approved these changes
Dec 4, 2017
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We missed the explain info of topn.
PTAL @zz-jason @lamxTyler @hanfei1991