HeapTuple heap_form_tuple(TupleDesc tupleDescriptor,Datum *values, bool *isnull) { HeapTuple tuple; /* return tuple */ HeapTupleHeader td; /* tuple data */ Size len, data_len; int hoff; bool hasnull = false; int numberOfAttributes = tupleDescriptor->natts; int i; if (numberOfAttrib...
'on'# requires track_counts to also be on.#autovacuum_max_workers = 3 # max number of autovacuum subprocesses# (change requires restart)#autovacuum_naptime = 1min # time between autovacuum runs#autovacuum_vacuum_threshold = 50 # min number of row updates before# vacuum#autovacuum_vacuum_inser...
这就像您作为模式所有者（eyal）将创建和使用权限授予另一个用户（postgres），然后（postgres）是表所有...
/* to lock access to buffer contents */ } BufferDesc; #define BUFFERDESC_PAD_TO_SIZE (SIZEOF_VOID_P == 8 ? 64 : 1) typedef union BufferDescPadded //联合体,64位操作系统上位64字节,否则为BufferDesc的大小(52) { BufferDesc bufferdesc; char pad[BUFFERDESC_PAD_TO_SIZE]; } BufferDescPa...
grant select on all tables in schema "GPO" to "MylIZ8UUIFO7KZBh1hXEnCPHqugzAm"; create database "GPO_NEW" OWNER "GPO" encoding='UTF8'; 权限: --1、查看某用户的表权限 select * from information_schema.table_privileges where grantee='user_name'; ...
) AS all_tables ORDER BY total_size DESC ) AS pretty_sizes; 查看表的物理存储路径 select pg_relation_filepath('test1'); 5.5 创建表空间 目录表空间目录必须是一个已有的空目录,并且属于PostgreSQL操作系统用户 [postgres@Redhat7 ~]$ mkdir /pgdb/jsdb ...
mydb=# create role role1; CREATE ROLE mydb=# create user A with password '126.comM'; CREATE ROLE mydb=# create user B with password '126.comM'; # 授权用户A mydb=# grant select,update,delete on all tables in schema public to role1; GRANT mydb=# grant role1 to A with admin ...
列举表,相当于mysql的show tables(当前已经在ambari数据库) 代码语言:javascript 代码运行次数:0 运行 AI代码解释 ambari=> \dt List of relations Schema | Name | Type | Owner ---+---+---+--- ambari | adminpermission | table | postgres ambari | adminprincipal | table | postgres ambari | adm...
│ Schema │ Name │ Type │ Owner │ ├────────┼──────────────┼───────┼───────┤ │public│ citus_tables │ view │ marco │ │public│ ref │ table │ marco │ │public│ test │ table │ marco │└────────┴──────...
Note that if you are not a superuserandyou are not the owner of the table, you will get a much better error message when you try to disable all the triggers: ERROR: must be owner of relation foobar To reproduce the original error, we will create two tables, and then link them toget...