oceanbase
22 строки · 526.0 Байт
1--disable_query_log
2set @@session.explicit_defaults_for_timestamp=off;
3--enable_query_log
4#owner: kaizhan.dkz
5#owner group: sql1
6#tags: update
7#description:
8
9--disable_warnings
10drop table if exists t1;
11--enable_warnings
12create table t1(pk int primary key, c1 int);
13insert into t1 values(1,2), (2, 3),(3,4),(4,5);
14select * from t1;
15update t1 set c1=pk ;
16select * from t1;
17update t1 set c1=pk where pk=1 ;
18select * from t1;
19update t1 set c1=pk where pk in (1,2,3,4) ;
20select * from t1;
21update t1 set c1=pk-0 ;
22select * from t1;
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