statistics: remove useless function

Signed-off-by: Weizhen Wang <[email protected]>

pkg/statistics/table.go

@@ -92,25 +92,6 @@ type ColAndIdxExistenceMap struct {
 	idxAnalyzed map[int64]bool
 }
 
-// SomeAnalyzed checks whether some part of the table is analyzed.
-// The newly added column/index might not have its stats.
-func (m *ColAndIdxExistenceMap) SomeAnalyzed() bool {
-	if m == nil {
-		return false
-	}
-	for _, v := range m.colAnalyzed {
-		if v {
-			return true
-		}
-	}
-	for _, v := range m.idxAnalyzed {
-		if v {
-			return true
-		}
-	}
-	return false
-}
-
 // Has checks whether a column/index stats exists.
 // This method only checks whether the given item exists or not.
 // Don't check whether it has statistics or not.