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MDEV-18553: MDEV-16327 pre-requisits part 2: uniform of LIMIT/OFFSET handling

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Now both offset and limit are stored and do not chenged during execution
(offset is decreased during processing in versions before 10.5).

(Big part of this changes made by Monty)
This commit is contained in:
Oleksandr Byelkin
2019-10-11 12:26:15 +02:00
parent eb0804ef5e
commit 1ae02f0e0d
14 changed files with 63 additions and 83 deletions
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2
sql/sql_profile.cc
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@ -436,7 +436,7 @@ bool PROFILING::show_profiles()
double query_time_usecs= prof->m_end_time_usecs - prof->m_start_time_usecs;
if (unit->lim.check_and_move_offset())
if (unit->lim.check_offset(idx))
continue;
if (idx > unit->lim.get_select_limit())
break;