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iangilfillan 2016-12-16 14:44:08 +02:00 committed by Sergey Vojtovich
parent b2b210b891
commit c4d9dc705b
1 changed files with 2 additions and 2 deletions
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sql/item_subselect.cc
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@ -4352,9 +4352,9 @@ bool subselect_hash_sj_engine::init(List<Item> *tmp_columns, uint subquery_id)
result= result_sink; result= result_sink;
/* /*
If the subquery has blobs, or the total key lenght is bigger than If the subquery has blobs, or the total key length is bigger than
some length, or the total number of key parts is more than the some length, or the total number of key parts is more than the
allowed maximum (currently MAX_REF_PARTS == 16), then the created allowed maximum (currently MAX_REF_PARTS == 32), then the created
index cannot be used for lookups and we can't use hash semi index cannot be used for lookups and we can't use hash semi
join. If this is the case, delete the temporary table since it join. If this is the case, delete the temporary table since it
will not be used, and tell the caller we failed to initialize the will not be used, and tell the caller we failed to initialize the