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Fix for BUG#8578 "Test case 'index_merge_ror' fails on SGI irix"

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Take into account that bitmap_is_set() may return any non-zero zero value when the bit is set.
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unknown 2005-02-22 18:00:01 +03:00
parent 17cca96ec9
commit db895ce720
1 changed files with 3 additions and 2 deletions
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5
sql/opt_range.cc
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@ -2562,7 +2562,7 @@ static double ror_scan_selectivity(const ROR_INTERSECT_INFO *info,
char *key_ptr= (char*) key_val;
SEL_ARG *sel_arg, *tuple_arg= NULL;
bool cur_covered;
bool prev_covered= bitmap_is_set(&info->covered_fields, key_part->fieldnr);
bool prev_covered= (bitmap_is_set(&info->covered_fields, key_part->fieldnr))? 1:0;
key_range min_range;
key_range max_range;
min_range.key= (byte*) key_val;
@ -2575,7 +2575,8 @@ static double ror_scan_selectivity(const ROR_INTERSECT_INFO *info,
for(i= 0, sel_arg= scan->sel_arg; sel_arg;
i++, sel_arg= sel_arg->next_key_part)
{
cur_covered= bitmap_is_set(&info->covered_fields, (key_part + i)->fieldnr);
DBUG_PRINT("info",("sel_arg step"));
cur_covered= (bitmap_is_set(&info->covered_fields, (key_part + i)->fieldnr))? 1:0;
if (cur_covered != prev_covered)
{
/* create (part1val, ..., part{n-1}val) tuple. */