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Merge 10.3 into 10.4

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This commit is contained in:
Marko Mäkelä
2018-09-19 08:21:03 +03:00
parent c9a5804e14 755187c853
commit 4a246fecbd
49 changed files with 724 additions and 390 deletions
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7
sql/sql_select.cc
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@ -7308,7 +7308,11 @@ best_access_path(JOIN *join,
}
}
tmp += s->startup_cost;
/* Splitting technique cannot be used with join cache */
if (s->table->is_splittable())
tmp+= s->table->get_materialization_cost();
else
tmp+= s->startup_cost;
/*
We estimate the cost of evaluating WHERE clause for found records
as record_count * rnd_records / TIME_FOR_COMPARE. This cost plus
@ -7330,6 +7334,7 @@ best_access_path(JOIN *join,
best_ref_depends_map= 0;
best_uses_jbuf= MY_TEST(!disable_jbuf && !((s->table->map &
join->outer_join)));
spl_plan= 0;
}
}