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Merge with 4.0 to get fix for MIN/MAX

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This commit is contained in:
monty@mashka.mysql.fi
2003-02-07 16:38:37 +02:00
parent 25de9c19b2 f68914addb
commit b14b246d38
48 changed files with 533 additions and 32 deletions
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5
sql/opt_range.cc
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@ -2564,8 +2564,7 @@ QUICK_SELECT_DESC::QUICK_SELECT_DESC(QUICK_SELECT *q, uint used_key_parts)
for (r = it++; r; r = it++)
{
rev_ranges.push_front(r);
if (not_read_after_key && range_reads_after_key(r) ||
test_if_null_range(r,used_key_parts))
if (not_read_after_key && range_reads_after_key(r))
{
it.rewind(); // Reset range
error = HA_ERR_UNSUPPORTED;
@ -2734,6 +2733,7 @@ bool QUICK_SELECT_DESC::range_reads_after_key(QUICK_RANGE *range_arg)
/* True if we are reading over a key that may have a NULL value */
#ifdef NOT_USED
bool QUICK_SELECT_DESC::test_if_null_range(QUICK_RANGE *range_arg,
uint used_key_parts)
{
@ -2779,6 +2779,7 @@ bool QUICK_SELECT_DESC::test_if_null_range(QUICK_RANGE *range_arg,
return 1; // Covers null part
return 0;
}
#endif
/*****************************************************************************