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This commit is contained in:
Igor Babaev
2011-05-20 12:47:39 -07:00
parent be6d6e1b3e d015b8fa0a
commit 89cf840cd9
99 changed files with 4333 additions and 1174 deletions
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11
sql/opt_range.cc
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@ -9510,7 +9510,7 @@ ha_rows check_quick_select(PARAM *param, uint idx, bool index_only,
SEL_ARG_RANGE_SEQ seq;
RANGE_SEQ_IF seq_if = {NULL, sel_arg_range_seq_init, sel_arg_range_seq_next, 0, 0};
handler *file= param->table->file;
ha_rows rows;
ha_rows rows= HA_POS_ERROR;
uint keynr= param->real_keynr[idx];
DBUG_ENTER("check_quick_select");
@ -9550,8 +9550,13 @@ ha_rows check_quick_select(PARAM *param, uint idx, bool index_only,
*mrr_flags |= HA_MRR_USE_DEFAULT_IMPL;
*bufsize= param->thd->variables.mrr_buff_size;
rows= file->multi_range_read_info_const(keynr, &seq_if, (void*)&seq, 0,
bufsize, mrr_flags, cost);
/*
Skip materialized derived table/view result table from MRR check as
they aren't contain any data yet.
*/
if (param->table->pos_in_table_list->is_non_derived())
rows= file->multi_range_read_info_const(keynr, &seq_if, (void*)&seq, 0,
bufsize, mrr_flags, cost);
if (rows != HA_POS_ERROR)
{
param->quick_rows[keynr]= rows;