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Bug fix for NATURAL JOIN, Split manual sections and more statistic variables

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This commit is contained in:
monty@donna.mysql.com
2000-11-20 02:57:02 +02:00
parent b31d076879
commit 61fd6baf4b
21 changed files with 376 additions and 135 deletions
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6
sql/sql_select.cc
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@@ -2420,6 +2420,7 @@ make_join_readinfo(JOIN *join,uint options)
/* These init changes read_record */
if (tab->use_quick == 2)
{
join->thd->options|=OPTION_NO_GOOD_INDEX_USED;
tab->read_first_record= join_init_quick_read_record;
statistic_increment(select_range_check_count, &LOCK_status);
}
@@ -2434,6 +2435,7 @@ make_join_readinfo(JOIN *join,uint options)
}
else
{
join->thd->options|=OPTION_NO_INDEX_USED;
statistic_increment(select_scan_count, &LOCK_status);
}
}
@@ -2445,6 +2447,7 @@ make_join_readinfo(JOIN *join,uint options)
}
else
{
join->thd->options|=OPTION_NO_INDEX_USED;
statistic_increment(select_full_join_count, &LOCK_status);
}
}
@@ -4234,7 +4237,7 @@ join_read_key(JOIN_TAB *tab)
TABLE *table= tab->table;
if (cmp_buffer_with_ref(tab) ||
(table->status & (STATUS_GARBAGE | STATUS_NO_PARENT)))
(table->status & (STATUS_GARBAGE | STATUS_NO_PARENT | STATUS_NULL_ROW)))
{
if (tab->ref.key_err)
{
@@ -4252,6 +4255,7 @@ join_read_key(JOIN_TAB *tab)
return 1;
}
}
table->null_row=0;
return table->status ? -1 : 0;
}