oceanbase
37 строк · 1.5 Кб
1--disable_query_log
2set @@session.explicit_defaults_for_timestamp=off;
3--enable_query_log
4# owner: link.zt
5# owner group: sql4
6# description: from子查询测试集2
7--disable_warnings
8drop table if exists t1,t2,t3,a,b;
9--enable_warnings
10
11
12CREATE TABLE t1 (pk int primary key, c1 INT, c2 VARCHAR(100),c3 FLOAT);
13INSERT INTO t1 VALUES (1, null,null,0.0);
14INSERT INTO t1 VALUES (2, 1,'',1.0);
15INSERT INTO t1 VALUES (3, 2,'abcde',2.0);
16INSERT INTO t1 VALUES (4, 100,'abcdefghij',3.0);
17CREATE TABLE t2 (pk int primary key, c1 INT, c2 VARCHAR(100));
18INSERT INTO t2 VALUES (1, 1,'abcde');
19INSERT INTO t2 VALUES (2, 2,'abcde');
20SELECT sb1,sb2,sb3 FROM (SELECT c1 AS sb1, c2 AS sb2, c3*2 AS sb3
21FROM t1) AS sb WHERE sb1 > 1;
22SELECT AVG(sum_column1) FROM (SELECT SUM(c1) AS sum_column1 FROM t1
23GROUP BY c1) AS t1;
24DROP TABLE t1;
25DROP TABLE t2;
26
27create table a(pk2 int primary key, a1 int, a2 int, a3 int) partition by key(pk2) partitions 4;
28create table b(pk1 int primary key, b1 int, b2 int, b3 int) partition by key(pk1) partitions 3;
29select a2 from (select *,case b1 when 1 then 2 else 3 end as c from a left join b on a2=b2) v where c>1;
30drop table a;
31drop table b;
32
33create table t2(c1 int primary key, c2 int, c3 varchar(32)) partition by hash (c1) partitions 3;
34create table t3(c1 int primary key, c2 int, c3 varchar(32)) partition by hash (c1) partitions 2;
35select tb.c2, tb.c3 from (select t.* from (select * from t2 WHERE c2 = 1) t left JOIN t3 b on t.c3=b.c3)tb;
36drop table t2;
37drop table t3;
38