diff --cc sql/sql_statistics.cc

index 944fa5dc176,c751b079147..e4cc00f45ba

--- a/sql/sql_statistics.cc

+++ b/sql/sql_statistics.cc

@@@ -4148,6 -4084,7 +4151,9 @@@ bool is_eits_usable(Field *field

           partition list of a table. We assume the selecticivity for

           such columns would be handled during partition pruning.

    */

++#if 0 /* Work around MDEV-19334 */

+   DBUG_ASSERT(field->table->stats_is_read);

++#endif

    Column_statistics* col_stats= field->read_stats;

    return col_stats && !col_stats->no_stat_values_provided() &&        //(1)

      field->type() != MYSQL_TYPE_GEOMETRY &&                           //(2)