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Added keyread_time() to HEAP

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The default keyread_time() was optimized for blocks and not suitable for
HEAP. The effect was the HEAP prefered table scans over ranges for btree
indexes.
Fixed also get_sweep_read_cost() for HEAP tables.
This commit is contained in:
Monty
2020-03-05 14:10:03 +02:00
parent a24d0926b9
commit c037cdadf4
6 changed files with 15 additions and 11 deletions
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2
mysql-test/main/endspace.result
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@ -145,8 +145,8 @@ teststring
teststring
select * from t1 where text1='teststring' or text1 >= 'teststring\t';
text1
teststring
teststring
teststring
select * from t1 order by text1;
text1
nothing