在PostgreSQL中,SET命令用于设置会话变量的值。以下是一些使用SET命令的常见场景及示例: 设置时区: SET TIME ZONE 'America/New_York'; 复制代码 设置搜索路径: SET search_path TO schema1, schema2; 复制代码 设置显示格式: SET datestyle = 'ISO, YMD'; 复制代码 设置事务隔离
PostgreSQLSET autocommit TO {offon}; SQL ServerSET IMPLICIT_TRANSACTIONS {OFFON}; (注意:SQL Server没有直接的AUTOCOMMIT设置,此命令影响隐式事务的行为) OracleSET AUTOCOMMIT {FALSETRUE}; SQLitePRAGMA auto_vacuum = {01}; (注意:SQLite没有AUTOCOMMIT的概念,此命令影响自动清理,而非事务提交) 请注意,上述...
PostgreSQL version: 11.6 Operating system: Linux Description: Hi, I'm using Liquibase and trying to run multiple sql files. In the first sql file, I want to define '\set AUTOCOMMIT off' so that I can rollback. This will be used for testing. Unfortunately, I can't use BEGIN; as there...
autocommit OFF autoprint OFF autorecovery OFF autotrace OFF blockterminator "." (hex 2e) btitle OFF and 为下一条 SELECT 语句的前几个字符 cmdsep OFF colsep " " compatibility version NATIVE concat "." (hex 2e) copycommit 0 COPYTYPECHECK 为 ON define "&" (hex 26) describe DEPTH 1 LINEN...
> > in psql with AUTOCOMMIT turned off, they will not succeed in many cases. > > This is because the script contains SQL statements that cannot be > > executed within a transaction block. > > > > If you simply add set AUTOCOMMIT on to the scripts created by ...
>>> in psql with AUTOCOMMIT turned off, they will not succeed in many cases. > Agreed. If we aren’t already outputting psql-only stuff I am a strong -1 > for making this the first such case. I really doubt that this is the only way in which you can break a ...
On PostgreSQL only, you can pass positional arguments (*fields) in order to specify the names of fields to which the DISTINCT should apply. This translates to a SELECT DISTINCT ON SQL query. Here’s the difference. For a normal distinct() call, the database compares each field in each ro...
问ResultSet在关闭后占用内存EN上周刚来了个应届小师弟，组长说让我带着，周二问了我这样一个问题：...
An explicit keyisolation_levelin the dbOPTIONSdict for MySQL (akin to theautocommitkey for Postgresql). Possible values would be one of['READ-UNCOMMITTED', 'READ-COMMITTED', 'REPEATABLE-READ', 'SERIALIZABLE']. Aset_isolation_levelmethod on the DatabaseWrapper which implements the SET TRANSACTION...
=TRUE) {setQueryTimeout(statement,validationSeconds); }statement.execute(config.getConnectionTestQuery()); } }finally{setNetworkTimeout(connection,networkTimeout);if(isIsolateInternalQueries&& !isAutoCommit) {connection.rollback(); } }returntrue; }catch(Exceptione) {lastConnectionFailure.set(e);...