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◆ tnpoint_compute_stats()
| static void tnpoint_compute_stats |
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VacAttrStats * |
stats, |
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AnalyzeAttrFetchFunc |
fetchfunc, |
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int |
sample_rows, |
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double |
total_rows |
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static |
Build some statistics on the sample data for use by operator estimators.
- Note
- The tnpoint_analyze function sets this function as a callback on the stats object when called by the ANALYZE command. ANALYZE then gathers the requisite number of sample rows and then calls this function.
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