executor: implement ANALYZE TABLE #1327
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| if err != nil { | ||
| return nil, errors.Trace(err) | ||
| } | ||
| result, err := stmt.Exec(e.ctx) |
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You can use util/sqlexec.RestrictedSQLExecutor
|
LGTM |
| return nil | ||
| } | ||
|
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| // collectSamples collects sample from the result set, use Reservoir Sampling algorithm. |
| if len(samples) < maxSampleCount { | ||
| samples = append(samples, row) | ||
| } else { | ||
| shouldAdd := ran.Float64() < float64(maxSampleCount)/float64(count) |
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why not rand a int between 0 and count + 1 ?
|
LGTM |
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