~ git confuse merge cause this commit

database/sampling.go

@@ -140,6 +140,7 @@ func (db *Connector) startSampling(onlineConn *sql.DB, database, table string, w
 					values = append(values, fmt.Sprintf(`unhex("%s")`, fmt.Sprintf("%x", val)))
 				}
 			}
+		}
 		valuesStr = append(valuesStr, "("+strings.Join(values, `,`)+")")
 		valuesCount++
 		if maxValuesCount <= valuesCount {
@@ -152,7 +153,6 @@ func (db *Connector) startSampling(onlineConn *sql.DB, database, table string, w
 			valuesCount = 0
 		}
 	}
-	}
 	res.Close()
 	return err
 }