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patch 4.0

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wangzelin.wzl
2022-10-24 10:34:53 +08:00
parent 4ad6e00ec3
commit 93a1074b0c
10533 changed files with 2588271 additions and 2299373 deletions
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7
unittest/sql/optimizer/opt_est/test_sel_zero_distinct.sql
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@ -16,6 +16,7 @@ select 0;
select c1 from t1 where null;
# distinct(1000), min(500), max(10000), nullnum(100)
#equal a = 1
#等值条件现都视为1/distinct
select 1/500*0.99;
select c1 from t1 where c1 = 999;
select 1/500*0.99;
@ -51,6 +52,7 @@ select 1.0/3.0 as not calc
select c1 from t1 where c1 + 1 > 5;
select 0;
select c1 from t1 where c1 > 2000;
#不考虑=值的影响
select 0;
select c1 from t1 where c1 >= 2000;
select 0;
@ -61,6 +63,7 @@ select 0;
select c1 from t1 where c1 <= 500;
select 0;
select c1 from t1 where c1 >= 10000;
#T_OP_NE 未做处理
select 0;
select c1 from t1 where c1 != 500;
select 0;
@ -71,6 +74,8 @@ select 0;
select c1 from t1 where c1 * 2 != 50;
select 0.5
select c1 from t1 where c1 / 2 != 50;
# and && or 混合 A and B: A*B, A OR B : A + B - A*B
#以上为所需单个条件的选择率
select 0
select c1 from t1 where c1 > 2000 and c1 < 3000;
select 0
@ -116,6 +121,7 @@ select * from t1 where not (c1 > 2000 and c1 < 3000);
select 0;
select * from t1 where not c1 in (2000, 3000);
#T_OP_IN
#T_OP_NOT_IN 无法精确计算null_sel,所以这里忽略null_sel.
select 0;
select c1 from t1 where c1 in (500, 8000, 10000);
select 0;
@ -156,6 +162,7 @@ select 0;
select c1 from t1 where 1000 between c1 and 1000;
select 0;
select c1 from t1 where 1000 not between c1 and 1000;
#btw的最小选择率暂时未设置，这里会直接为0
select 0;
select c1 from t1 where 1000 between 10000 and c1;
select 0;