stats: fix trigger condition for auto analyze #5446
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shenli
reviewed
Dec 19, 2017
| err = h.HandleAutoAnalyze(is) | ||
| c.Assert(err, IsNil) | ||
| h.Update(is) | ||
| stats = h.GetTableStats(tableInfo.ID) |
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Which assert makes sure that Analyze is not run multiple times?
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In line 307, we assert that the modify count is 1.
shenli
reviewed
Dec 20, 2017
| @@ -298,7 +315,7 @@ func (s *testStatsUpdateSuite) TestAutoUpdate(c *C) { | |||
| h.HandleAutoAnalyze(is) | |||
| h.Update(is) | |||
| stats = h.GetTableStats(tableInfo.ID) | |||
| c.Assert(stats.Count, Equals, int64(1)) | |||
| c.Assert(stats.Count, Equals, int64(2)) | |||
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LGTM |
|
LGTM |
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/run-all-tests |
shenli
approved these changes
Dec 20, 2017
|
Should we cherry-pick this to release-1.0? |
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@shenli Do not need to cherry-pick, because release-1.0 do not have load by need. |
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Because of the load by need strategy, if we have a table with no index, we may auto analyze it multiple times.