在同一个事务中执行更多插入时，与transaction_timestamp()没有任何区别，因为它在事务中是稳定的。但是同一个会话中的每个后续事务都会在table2中插入相同的常量时间戳，而table1的值可以是任何值（不确定Sequelize在那里做了什么）。如果table1中的新值是当时的时间戳，那将导致测试中的“负”差异。（table2中的时间戳将更旧。）
在同一个事务中执行更多插入时，与transaction_timestamp()没有任何区别，因为它在事务中是稳定的。但是...
select CURRENT_TIMESTAMP - timestamp '2015-04-10 14:52:19.000'; 1906 days 15:57:29.880652 3 改造方案 sysdate - date的结果的单位是天,允许出现小数,那么在Postgresql或PolarO中只需要把interval转化为天的小数即可。 在Postgresql中实现函数 代码语言:javascript 代码运行次数:0 运行 AI代码解释 CREATE OR ...
并将每个列设置为datetime类型。当第一个参数为true时，将使用timestamp类型。当第二个参数为true时，两...
postgres=# create table test(id int, info varchar(32), crt_time timestamp); CREATE TABLE postgres=# insert into test values(1, '中国-UTF8', now()); INSERT 0 1 postgres=# set client_encoding=GBK; SET postgres=# insert into test values(1, '中国-GBK', now()); ERROR: character wi...
0.109 UPDATE pgbench_tellers SET tbalance = tbalance + :delta WHERE tid = :tid; 0.118 UPDATE pgbench_branches SET bbalance = bbalance + :delta WHERE bid = :bid; 0.090 INSERT INTO pgbench_history (tid, bid, aid, delta, mtime) VALUES (:tid, :bid, :aid, :delta, CURRENT_TIMESTAMP); ...
beginexecute'drop table if exists test';execute'create table test(id int8 primary key, info text, crt_time timestamp)';foriin0..1023loopexecuteformat('drop table if exists test%s', i);executeformat('create table test%s (like test including all)', i);endloop;end; ...
VALID UNTIL: An optional timestamp after which the password will no longer be valid. Roles with the SUPERUSER flag automatically bypass all permission checks, except for the right to log in1. Several less commonly used role attributes can also be configured. For further details, please...
SELECT * FROM "user" WHERE ((:createdAtFrom IS NULL OR :createdAtTo IS NULL) OR ("created_at" BETWEEN CAST(:createdAtFrom AS TIMESTAMP) AND CAST(:createdAtTo AS TIMESTAMP))) And it transforms to this query: /* dynamic native SQL query */ SELECT * FROM "user" WHERE ( ( ? IS NU...
aws_ecr_tag_branch.sh - tags a given ECR image:tag with the current Git branch without pulling or pushing the docker image aws_ecr_tag_datetime.sh - tags a given ECR docker image with its creation date and UTC timestamp (when it was uploaded to ECR) without pulling or pushing the doc...