List* mergeActionList; /* list of actions for MERGE (only) */ 3.9 Start with connect by 语法解析支持connect by查询。在解析时通过函数make connect by stmt将select stmt改写为通过递归CTE查询来实现start with connect by层次查询子句。后续通过TDSQL PG版本身支持的递归CTE语句来执行。 3.10 PIVOT & UNPI...
List* mergeActionList; /* list of actions for MERGE (only) */ 3.9 Start with connect by 语法解析支持connect by查询。在解析时通过函数make connect by stmt将select stmt改写为通过递归CTE查询来实现start with connect by层次查询子句。后续通过TDSQL PG版本身支持的递归CTE语句来执行。 3.10 PIVOT & UNPI...
is a command line tool with features for easy integration with other applications. A wealth of frontend applications and libraries are available that make use of GnuPG. Starting with version 2 GnuPG provides support for S/MIME and Secure Shell in addition to OpenPGP. GnuPG is Free Software ...
By default a primary ActiveRecord database connection is used for running metadata queries, rake tasks and web UI. To connect to a different database you can specify anENV['RAILS_PG_EXTRAS_DATABASE_URL']value in the following format: ENV["RAILS_PG_EXTRAS_DATABASE_URL"]="postgresql://postg...
1. 创建表 CREATE TABLE orders ( id serial, user_id int4, create_time DATE ) PARTITION BY RANGE (create_time) (START (date '1992-01-01') INCLUSIVE END (date '2000-01-01')); 2. 插入数据 INSERT INTO orders (user_id, create_time) select 1000, generate_series('1992-01-01'::date...
pg_ctl start createuser -s repmgr createdb repmgr -O repmgr psql repmgr=# alter user repmgr with password 'repmgr';repmgr=# \l repmgrList of databases Name | Owner | Encoding | Collate | Ctype | Access privileges ---+---+---+---+---+--- repmgr | repmgr | UTF8 | en_US.utf...
在ORACLEHOME/hs/admin/下面创建initPGLINK.ora文件,这个文件名字中的PGLINK是上面自定义的名字,其中HSFDSCONNECTINFO=PG这个参数指向隐藏文件.odbc.ini中的ODBC定义数据源名称[PGLINK]。在ORACLE_HOME/hs/admin/下面创建initPG_LINK.ora文件,这个文件名字中的PG_LINK是上面自定义的名字 ...
create sequence seq_user_camera_version increment by 1 minvalue 1 no maxvalue start with 1; 3)建表,并用上面的序列作为主键自增序列 CREATE TABLE public.user_camera_version ( id int4 NOT NULL DEFAULT nextval('seq_user_camera_version'::regclass), ...
$pg_ctl -D $PGDATA -l ~/log/pglog.log start 增加日志输出设置,从而获得更多的信息。 三、验证 3.1、观察主从两库的归档日志的位置,或者主库两边的pg_wal目录下的内容,发现主库日志切换后,备库pg_wal目录下就会产生新的日志文件,但是在备库的归档目录下没有内容,应该是主库的归档日志传递到备库的pg_...
level from SYS_DEPT t start with t.dept_id = '40288ac45a3c1e8b015a3c28b4ae01d6' connect by prior t.dept_id = t.par_dept_id order by level, t.dept_code pg: WITH RECURSIVE T(ID,NAME,PARENT_ID) AS ( SELECT ID,NAME,PARENT_ID FROM TREE_TEST WHERE ID =13 ...