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statistics: print log when tidb marks extended stats as deleted internally (#23834)

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This commit is contained in:
Kenan Yao
2021-04-06 11:19:24 +08:00
committed by GitHub
parent 6a0cd8e093
commit 6fd925fdfe
1 changed files with 2 additions and 0 deletions
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2
statistics/handle/gc.go
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@ -70,6 +70,7 @@ func (h *Handle) gcTableStats(is infoschema.InfoSchema, physicalID int64) error
tbl, ok := h.getTableByPhysicalID(is, physicalID)
h.mu.Unlock()
if !ok {
logutil.BgLogger().Info("remove stats in GC due to dropped table", zap.Int64("table_id", physicalID))
return errors.Trace(h.DeleteTableStatsFromKV([]int64{physicalID}))
}
tblInfo := tbl.Meta()
@ -122,6 +123,7 @@ func (h *Handle) gcTableStats(is infoschema.InfoSchema, physicalID int64) error
}
}
if !found {
logutil.BgLogger().Info("mark mysql.stats_extended record as 'deleted' in GC due to dropped columns", zap.String("table_name", tblInfo.Name.L), zap.Int64("table_id", physicalID), zap.String("stats_name", statsName), zap.Int64("dropped_column_id", colID))
err = h.MarkExtendedStatsDeleted(statsName, physicalID, true)
if err != nil {
logutil.BgLogger().Debug("update stats_extended status failed", zap.String("stats_name", statsName), zap.Error(err))