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Merge 10.1 into 10.2

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This commit is contained in:
Marko Mäkelä
2018-08-31 13:47:48 +03:00
parent b245023fe0 f693170c75
commit 206528f722
38 changed files with 707 additions and 713 deletions
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31
sql/handler.cc
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@@ -2853,15 +2853,9 @@ compute_next_insert_id(ulonglong nr,struct system_variables *variables)
nr= nr + 1; // optimization of the formula below
else
{
/*
Calculating the number of complete auto_increment_increment extents:
*/
nr= (((nr+ variables->auto_increment_increment -
variables->auto_increment_offset)) /
(ulonglong) variables->auto_increment_increment);
/*
Adding an offset to the auto_increment_increment extent boundary:
*/
nr= (nr* (ulonglong) variables->auto_increment_increment +
variables->auto_increment_offset);
}
@@ -2917,14 +2911,8 @@ prev_insert_id(ulonglong nr, struct system_variables *variables)
}
if (variables->auto_increment_increment == 1)
return nr; // optimization of the formula below
/*
Calculating the number of complete auto_increment_increment extents:
*/
nr= (((nr - variables->auto_increment_offset)) /
(ulonglong) variables->auto_increment_increment);
/*
Adding an offset to the auto_increment_increment extent boundary:
*/
return (nr * (ulonglong) variables->auto_increment_increment +
variables->auto_increment_offset);
}
@@ -3147,23 +3135,10 @@ int handler::update_auto_increment()
if (unlikely(tmp)) // Out of range value in store
{
/*
first test if the query was aborted due to strict mode constraints
It's better to return an error here than getting a confusing
'duplicate key error' later.
*/
if (thd->killed == KILL_BAD_DATA ||
nr > table->next_number_field->get_max_int_value())
DBUG_RETURN(HA_ERR_AUTOINC_ERANGE);
/*
field refused this value (overflow) and truncated it, use the result of
the truncation (which is going to be inserted); however we try to
decrease it to honour auto_increment_* variables.
That will shift the left bound of the reserved interval, we don't
bother shifting the right bound (anyway any other value from this
interval will cause a duplicate key).
*/
nr= prev_insert_id(table->next_number_field->val_int(), variables);
if (unlikely(table->next_number_field->store((longlong) nr, TRUE)))
nr= table->next_number_field->val_int();
result= HA_ERR_AUTOINC_ERANGE;
}
if (append)
{