1108 lines
50 KiB
Plaintext
1108 lines
50 KiB
Plaintext
******************CASE0******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 1.
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 > 1000 or c1 > 2000 and c1 < 3000;
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SELECTIVITY = 0.95
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******************CASE1******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 1;
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where 1;
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SELECTIVITY = 1
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******************CASE2******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 1;
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where 1 > 0;
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SELECTIVITY = 1
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******************CASE3******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 0;
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where 0;
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SELECTIVITY = 0
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******************CASE4******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 0;
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where null;
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SELECTIVITY = 0
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******************CASE5******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 1/1000*0.95;
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 = 999;
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SELECTIVITY = 0.00095
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******************CASE6******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 1/1000*0.95;
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 = 10001;
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SELECTIVITY = 0.00095
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******************CASE7******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 1/1000*0.95;
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 = 1000;
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SELECTIVITY = 0.00095
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******************CASE8******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 500/10000
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 <=> null;
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SELECTIVITY = 0.05
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******************CASE9******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 0
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 = null;
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SELECTIVITY = 0
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******************CASE10******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 1/1000 * 0.95
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 + 1 = 1000;
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SELECTIVITY = 0.00095
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******************CASE11******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 1/1000 * 0.95
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 * 2 = 1000;
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SELECTIVITY = 0.00095
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******************CASE12******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 0.005(DEFAULT_EQ_SEL)
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 / 2 = 1000;
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SELECTIVITY = 0.005
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******************CASE13******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 1/1000 * 0.95
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 - 100 = 1000;
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SELECTIVITY = 0.00095
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******************CASE14******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 0;
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 > null;
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SELECTIVITY = 0
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******************CASE15******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 1;
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 > null or 1 > 0;
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SELECTIVITY = 1
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******************CASE16******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 0;
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 > null or 1 > 2;
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SELECTIVITY = 0
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******************CASE17******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 0;
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 < null;
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SELECTIVITY = 0
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******************CASE18******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 0.95;
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 > 30;
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SELECTIVITY = 0.95
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******************CASE19******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 2*1/1000 * 0.95;
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 < 50;
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SELECTIVITY = 0.00095
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******************CASE20******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 1.0/3.0 as not calc
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 + 1 > 5;
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SELECTIVITY = 0.333333
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******************CASE21******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select (10000-2000)/(10000-1000) * 0.95;
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 > 2000;
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SELECTIVITY = 0.845488
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******************CASE22******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 0.95;
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 > 1000 or c1 > 2000 and c1 < 3000;
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SELECTIVITY = 0.95
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******************CASE23******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select (10000-2000)/(10000-1000) * 0.95 + 1/1000 * 0.95;
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 >= 2000;
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SELECTIVITY = 0.846438
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******************CASE24******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select (5000-1000)/(10000-1000) * 0.95;
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 < 5000;
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SELECTIVITY = 0.423114
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******************CASE25******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select (5000-1000)/(10000-1000) * 0.95 + 1/1000 * 0.95;
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 <= 5000;
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SELECTIVITY = 0.424064
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******************CASE26******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 20*1/1000 * 0.95(min_distinct 20);
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 <= 500;
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SELECTIVITY = 0.00095
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******************CASE27******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 20*1/1000 * 0.95;
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 >= 10000;
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SELECTIVITY = 0.0019
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******************CASE28******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 1 - 1/1000*0.95 - 100/10000
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 != 500;
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SELECTIVITY = 0.94905
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******************CASE29******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 1 - 1/1000*0.95 - 100/10000
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 != 50;
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SELECTIVITY = 0.94905
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******************CASE30******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 1 - 1/1000*0.95 - 100/10000
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 != 50;
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SELECTIVITY = 0.94905
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******************CASE31******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 1 - 1/1000*0.95 - 100/10000
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 + 1 != 50;
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SELECTIVITY = 0.94905
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******************CASE32******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 1 - 1/1000*0.95 - 100/10000
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 * 2 != 50;
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SELECTIVITY = 0.94905
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******************CASE33******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 0.5
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 / 2 != 50;
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SELECTIVITY = 0.5
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******************CASE34******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select (10000-2000)/(10000-1000)*0.95;
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 > 2000;
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SELECTIVITY = 0.845488
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******************CASE35******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select (3000-1000)/(10000-1000)*0.95;
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 < 3000;
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SELECTIVITY = 0.211979
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******************CASE36******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 2*1/1000 * 0.95;
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 > 10000;
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SELECTIVITY = 0.0019
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******************CASE37******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 0.95;
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 > 500;
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SELECTIVITY = 0.95
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******************CASE38******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 2*1/1000 * 0.95;
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 < 500;
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SELECTIVITY = 0.00095
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******************CASE39******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 2*1/1000 * 0.95;
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 < 1000;
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SELECTIVITY = 0.00095
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******************CASE40******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select (10000-9000)/(10000-1000)*0.95;
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 > 9000;
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SELECTIVITY = 0.106517
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******************CASE41******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select (8000-1000)/(10000-1000)*0.95;
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 < 8000;
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SELECTIVITY = 0.739815
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******************CASE42******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select (3000-2000)/(10000-1000)*0.95;
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 > 2000 and c1 < 3000;
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SELECTIVITY = 0.104617
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******************CASE43******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
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EXPECTED RESULT :select 0.019;
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----------------------------------------------------------
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EXPR_STR: select c1 from t1 where c1 > 10000 and c1 > 500;
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SELECTIVITY = 0.0019
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******************CASE44******************
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min = 1001, max = 10000, ndv = 1000, null_num = 500
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the ratio of not null row is (10000-500)/10000 = 0.95
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for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 0.95;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 < 10000 and c1 > 500;
|
|
SELECTIVITY = 0.95
|
|
|
|
******************CASE45******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 0.019*2;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 < 500 or c1 > 10000;
|
|
SELECTIVITY = 0.00285
|
|
|
|
******************CASE46******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select (10000-2000)/(10000-1000)*0.95 + 0.019;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 > 2000 or c1 < 1000;
|
|
SELECTIVITY = 0.846438
|
|
|
|
******************CASE47******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select (10000-2000)/(10000-1000)*0.95 + 0.019;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 > 2000 or c1 < 1000 or c1 < 500;
|
|
SELECTIVITY = 0.846438
|
|
|
|
******************CASE48******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select (10000-2000)/(10000-1000)*0.95 + 0.0095;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 > 2000 or c1 < 1000 and c1 > 500;
|
|
SELECTIVITY = 0.846438
|
|
|
|
******************CASE49******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 0.0095;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 < 1000 and c1 > 500;
|
|
SELECTIVITY = 0.00095
|
|
|
|
******************CASE50******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 0.019;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 < 1000 or c1 > 9000 and c1 > 2000 and c1 < 8000;
|
|
SELECTIVITY = 0.00095
|
|
|
|
******************CASE51******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 0.019;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 < 500 or c1 > 10000 and c1 > 10001 and c1 < 499;
|
|
SELECTIVITY = 0.00095
|
|
|
|
******************CASE52******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 500/10000;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 is null;
|
|
SELECTIVITY = 0.05
|
|
|
|
******************CASE53******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 1/1000 * 0.95;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 is false;
|
|
SELECTIVITY = 0.00095
|
|
|
|
******************CASE54******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 1 * 0.95 - 1/1000(suppose the ratio of false);
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 is true;
|
|
SELECTIVITY = 0.94905
|
|
|
|
******************CASE55******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 1 - 500/10000;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 is not null;
|
|
SELECTIVITY = 0.95
|
|
|
|
******************CASE56******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 1 - 1/1000 * 0.95;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 is not false;
|
|
SELECTIVITY = 0.99905
|
|
|
|
******************CASE57******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 1 - 0.95;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 is not true;
|
|
SELECTIVITY = 0.05095
|
|
|
|
******************CASE58******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 0;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select * from t1 where not 1;
|
|
SELECTIVITY = 0
|
|
|
|
******************CASE59******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 1;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select * from t1 where not 0;
|
|
SELECTIVITY = 1
|
|
|
|
******************CASE60******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 0.95 - (10000-2000)/(10000-1000)*0.95;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select * from t1 where not c1 > 2000;
|
|
SELECTIVITY = 0.107362
|
|
|
|
******************CASE61******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 0.95 - (3000-2000)/(10000-1000)*0.95;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select * from t1 where not (c1 > 2000 and c1 < 3000);
|
|
SELECTIVITY = 0.848233
|
|
|
|
******************CASE62******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 0.95 - 1/1000*0.95*3;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select * from t1 where not c1 in (2000, 3000);
|
|
SELECTIVITY = 0.9481
|
|
|
|
******************CASE63******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 1/1000*0.95 * 3;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 in (500, 8000, 10000);
|
|
SELECTIVITY = 0.00285
|
|
|
|
******************CASE64******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select square(1/1000*0.95) * 2
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where (c1,c2) in ((500, 8000), (8000, 10000));
|
|
SELECTIVITY = 1.805e-06
|
|
|
|
******************CASE65******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 0.95 - 0.95*2;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 not in (500, 1000);
|
|
SELECTIVITY = 0.9481
|
|
|
|
******************CASE66******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 1;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where (200) in (100, 200);
|
|
SELECTIVITY = 1
|
|
|
|
******************CASE67******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 1;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where (200) in (100, 300, 400, 200);
|
|
SELECTIVITY = 1
|
|
|
|
******************CASE68******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 0;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where (200) in (100, 300, 400, 500);
|
|
SELECTIVITY = 0
|
|
|
|
******************CASE69******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 1/1000*0.95;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where (200) in (c1, 300, 400, 500);
|
|
SELECTIVITY = 0.00095
|
|
|
|
******************CASE70******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 0.95;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where (c1) in (c1, 300, 400, 500);
|
|
SELECTIVITY = 0.95285
|
|
|
|
******************CASE71******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 1;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where 200 in ('200', c2, 300, 400, 500);
|
|
SELECTIVITY = 1
|
|
|
|
******************CASE72******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 1;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t3 where 'a' in ('A', c1, '300', '400', '500');
|
|
SELECTIVITY = 1
|
|
|
|
******************CASE73******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 1/80*(10000 - 10) | str(distinct 80, null:10);
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t3 where c1 = 'a';
|
|
SELECTIVITY = 0.0124875
|
|
|
|
******************CASE74******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 1/80*(10000 - 10) | str(distinct 80, null:10);
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t3 where 'a' in ('A' collate 'utf8mb4_bin', c1, '300', '400', '500');
|
|
SELECTIVITY = 0.0124875
|
|
|
|
******************CASE75******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 1/1000*0.95 * 3;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 in (500, 8000, 10000);
|
|
SELECTIVITY = 0.00285
|
|
|
|
******************CASE76******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :EXPECTED select 0.95 - 1/1000*0.95 * 3;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 not in (500, 8000, 10000);
|
|
SELECTIVITY = 0.94715
|
|
|
|
******************CASE77******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :EXPECTED select 1/1000*0.95 * 2;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 in (500, 1000);
|
|
SELECTIVITY = 0.0019
|
|
|
|
******************CASE78******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :EXPECTED select 0.95 - 1/1000*0.95 * 2;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 not in (500, 1000);
|
|
SELECTIVITY = 0.9481
|
|
|
|
******************CASE79******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :EXPECTED select 1/1000*0.95 * 1/1000*0.95*2;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where (c1,c2) in ((500, 8000), (8000, 10000));
|
|
SELECTIVITY = 1.805e-06
|
|
|
|
******************CASE80******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :EXPECTED select 0.95 - 1/1000*0.95 * 1/1000*0.95*2;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where (c1,c2) not in ((500, 8000), (8000, 10000));
|
|
SELECTIVITY = 0.999998
|
|
|
|
******************CASE81******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 0.95;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 between 1000 and 10000;
|
|
SELECTIVITY = 0.95
|
|
|
|
******************CASE82******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 20/1000*.95 + 20/1000*0.95,20:minest of half open range
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 not between 1000 and 10000;
|
|
SELECTIVITY = 0.00285
|
|
|
|
******************CASE83******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 1/1000*0.95;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 between 1000 and 1000;
|
|
SELECTIVITY = 0.00095
|
|
|
|
******************CASE84******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 0.95;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 not between 1000 and 1000;
|
|
SELECTIVITY = 0.95
|
|
|
|
******************CASE85******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 0;考虑设最低选择率;#bug 8551829 :6;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 between 10000 and 1000;
|
|
SELECTIVITY = 0
|
|
|
|
******************CASE86******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 1;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 not between 10000 and 1000;
|
|
SELECTIVITY = 0.95
|
|
|
|
******************CASE87******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 0.018*0.018;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 >= 10000 and c1<=1000;
|
|
SELECTIVITY = 0
|
|
|
|
******************CASE88******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 1/1000*0.95;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where 1000 between c1 and 1000;
|
|
SELECTIVITY = 0.00095
|
|
|
|
******************CASE89******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 1 - 1/1000*0.95;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where 1000 not between c1 and 1000;
|
|
SELECTIVITY = 0.333333
|
|
|
|
******************CASE90******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select (2000-1000)/(10000-1000)*0.95;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where 2000 between c1 and 10000;
|
|
SELECTIVITY = 0.107362
|
|
|
|
******************CASE91******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select (10000-8000)/(10000-1000)*0.95;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where 2000 not between c1 and 10000;
|
|
SELECTIVITY = 0.333333
|
|
|
|
******************CASE92******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 0;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where 1000 between 10000 and c1;
|
|
SELECTIVITY = 0.95
|
|
|
|
******************CASE93******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select (10000-2000)/(10000-1000)*0.95;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where 2000 between 1000 and c1;
|
|
SELECTIVITY = 0.846438
|
|
|
|
******************CASE94******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 1;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where 1 between 0 and 1;
|
|
SELECTIVITY = 1
|
|
|
|
******************CASE95******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 0;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where 100 between 0 and 1;
|
|
SELECTIVITY = 0
|
|
|
|
******************CASE96******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 1/1000*((2000 - 500)/2000) table2: row count = 2000;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select t1.c1 from t1,t2 where t1.c1 = t2.c1;
|
|
SELECTIVITY = 0.0007125
|
|
|
|
******************CASE97******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 1/1000*0.75 table2: row count = 2000;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select t1.c1 from t1,t2 where t1.c1 + 1 = t2.c1;
|
|
SELECTIVITY = 0.00075
|
|
|
|
******************CASE98******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 1/1000*0.75 table2: row count = 2000;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select t1.c1 from t1,t2 where t1.c1 + 1 = t2.c1 + 1;
|
|
SELECTIVITY = 0.00075
|
|
|
|
******************CASE99******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 1/1000*0.75 table2: row count = 2000;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select t1.c1 from t1,t2 where t1.c1 * 2 = t2.c1 + 1;
|
|
SELECTIVITY = 0.00075
|
|
|
|
******************CASE100******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 1/1000*0.75 table2: row count = 2000;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select t1.c1 from t1,t2 where t1.c1 / 2 = t2.c1 + 1;
|
|
SELECTIVITY = 0.00075
|
|
|
|
******************CASE101******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 1/1000*0.75 * 1/3;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select t1.c1 from t1,t2 where t1.c1 = t2.c1 and t1.c2 > t2.c2;
|
|
SELECTIVITY = 0.0002375
|
|
|
|
******************CASE102******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 1/3;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select t1.c1 from t1, t2 where t1.c1 < t2.c2;
|
|
SELECTIVITY = 0.333333
|
|
|
|
******************CASE103******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 0.5;
|
|
----------------------------------------------------------
|
|
EXPR_STR: select t1.c1 from t1, t2 where t1.c1 != t2.c2;
|
|
SELECTIVITY = 0.5
|
|
|
|
******************CASE104******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 1/1000*0.95
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 = (select c2 from t1 where c2 >= 10000);
|
|
SELECTIVITY = 0.00095
|
|
|
|
******************CASE105******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 1.0 / 3.0 DEFAULT_INEQ_SEL
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 > (select c2 from t1 where c2 >= 10000);
|
|
SELECTIVITY = 0.333333
|
|
|
|
******************CASE106******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :todo. 1 - 1/1000*0.95 - 0.05
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 != (select c2 from t1 where c2 >= 10000);
|
|
SELECTIVITY = 0.94905
|
|
|
|
******************CASE107******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :todo. DEFAULT_SEL
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 in (select c2 from t1 where c2 = 10000);
|
|
SELECTIVITY = 0.5
|
|
|
|
******************CASE108******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :todo. DEFAULT_SEL
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 = ANY (select c2 from t1 where c2 > 1000);
|
|
SELECTIVITY = 0.5
|
|
|
|
******************CASE109******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :todo. DEFAULT_SEL
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 != ANY (select c2 from t1 where c2 > 1000);
|
|
SELECTIVITY = 0.5
|
|
|
|
******************CASE110******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :todo. DEFAULT_SEL
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 = SOME (select c2 from t1 where c2 > 1000);
|
|
SELECTIVITY = 0.5
|
|
|
|
******************CASE111******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :todo. DEFAULT_SEL
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 != SOME (select c2 from t1 where c2 > 1000);
|
|
SELECTIVITY = 0.5
|
|
|
|
******************CASE112******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :todo. DEFAULT_SEL
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 = ALL (select c2 from t1 where c2 > 1000);
|
|
SELECTIVITY = 0.5
|
|
|
|
******************CASE113******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :todo. DEFAULT_SEL
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where c1 != ALL (select c2 from t1 where c2 > 1000);
|
|
SELECTIVITY = 0.5
|
|
|
|
******************CASE114******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select 1/1000 * 0.95 * (1/1000 * 0.95)
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where (c1, c2) = (2000, 10000);
|
|
SELECTIVITY = 9.025e-07
|
|
|
|
******************CASE115******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :todo. T_OP_ROW != T_OP_ROW
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where (c1, c2) != (2000, 10000);
|
|
SELECTIVITY = 0.5
|
|
|
|
******************CASE116******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :select (10000 - 2000)/(10000 - 1001) * 0.95
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t1 where (c1, c2) > (2000, 10000);
|
|
SELECTIVITY = 0.846438
|
|
|
|
******************CASE117******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :AC: not null = 0.95
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t5 where c1 < 10001;
|
|
SELECTIVITY = 0.95
|
|
|
|
******************CASE118******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :AC: not null = 0.95
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t5 where c1 > 1000;
|
|
SELECTIVITY = 0.95
|
|
|
|
******************CASE119******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :AC: not null = 0.95
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t5 where c1 <= 10000;
|
|
SELECTIVITY = 0.95
|
|
|
|
******************CASE120******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :AC: not null = 0.95
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t5 where c1 >= 1001;
|
|
SELECTIVITY = 0.95
|
|
|
|
******************CASE121******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :AC: not null / 2 near 0.47
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t5 where c1 > 5500;
|
|
SELECTIVITY = 0.476003
|
|
|
|
******************CASE122******************
|
|
min = 1001, max = 10000, ndv = 1000, null_num = 500
|
|
the ratio of not null row is (10000-500)/10000 = 0.95
|
|
for range cond : if half_open min_selectivity = 20/DNV, else min_selectivity = 10/DNV
|
|
EXPECTED RESULT :AC: not null / 2 near 0.47
|
|
----------------------------------------------------------
|
|
EXPR_STR: select c1 from t5 where c1 < 5500;
|
|
SELECTIVITY = 0.475897
|
|
|