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DS-MRR improvements

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- buildbot test failure fixes: don't try to get more records from SimpleIndexReader
  if we've already got EOF for it.
This commit is contained in:
Sergey Petrunya 2010-10-29 13:42:48 +04:00
commit 1e82320d27
2 changed files with 6 additions and 2 deletions
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4
sql/multi_range_read.cc
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@ -303,6 +303,7 @@ int Mrr_simple_index_reader::init(handler *h_arg, RANGE_SEQ_IF *seq_funcs,
{
HANDLER_BUFFER no_buffer = {NULL, NULL, NULL};
h= h_arg;
res= 0;
return h->handler::multi_range_read_init(seq_funcs, seq_init_param, n_ranges,
mode, &no_buffer);
}
@ -559,6 +560,9 @@ int Mrr_ordered_rndpos_reader::refill_buffer()
last_identical_rowid= NULL;
if (index_reader->eof())
DBUG_RETURN(0);
while (rowid_buffer->can_write())
{
res= index_reader->get_next(&range_info);