diff options
Diffstat (limited to 'sql/ha_myisam.cc')
| -rw-r--r-- | sql/ha_myisam.cc | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sql/ha_myisam.cc b/sql/ha_myisam.cc index c56009dc0aa..ca264f500a6 100644 --- a/sql/ha_myisam.cc +++ b/sql/ha_myisam.cc @@ -867,7 +867,9 @@ void ha_myisam::start_bulk_insert(ha_rows rows) THD *thd=current_thd; ulong size= min(thd->variables.read_buff_size, table->avg_row_length*rows); - mi_extra(file, HA_EXTRA_WRITE_CACHE, (void*)&size); + /* don't enable row cache if too few rows */ + if (!rows && rows > 10) + mi_extra(file, HA_EXTRA_WRITE_CACHE, (void*) &size); can_enable_indexes= (file->s->state.key_map == set_bits(ulonglong, file->s->base.keys)); |