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test: optimize dll test #13497

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merged 2 commits into from
Nov 18, 2019
Merged

test: optimize dll test #13497

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ae05838
optimize dll test
glorv Nov 15, 2019
d5198c6
Merge branch 'master' into ddl-test
sykp241095 Nov 18, 2019
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10 changes: 7 additions & 3 deletions ddl/db_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1029,9 +1029,13 @@ LOOP:
return
}

// test index range
for i := 0; i < 100; i++ {
index := rand.Intn(len(keys) - 3)
// Test index range with lower/upper boundary and random inner cases
step := len(keys) / 20
for i := 0; i <= 20; i++ {
index := i * step
if index > len(keys)-3 {
index = len(keys) - 3
}
rows := tk.MustQuery("select c1 from test_add_index where c3 >= ? order by c1 limit 3", keys[index]).Rows()
matchRows(c, rows, [][]interface{}{{keys[index]}, {keys[index+1]}, {keys[index+2]}})
}
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