postgres=# \d tab Table "public.tab" Column | Type | Collation | Nullable | Default ---+---+---+---+--- col | integer | | | Indexes: "idx" btree (col) INVALID 这种情况下推荐的恢复方法是删除该索引并且尝试再次执行 CREATE INDEX CONCURRENTLY(另一种可能性是用 REINDEX重建该索引。不过...
postgres=# create index CONCURRENTLY idx_t1_two on t1(id,info); CREATE INDEX Time: 21.186 ms postgres=# \d+ t1; Table "public.t1" Column | Type | Collation | Nullable | Default | Storage | Compression | Stats target | De scription ---+---+---+---+---+---+---+---+---...
postgres=# \d tab Table "public.tab" Column | Type | Collation | Nullable | Default ---+---+---+---+--- col | integer | | | Indexes: "idx" btree (col) INVALID 这种情况下推荐的恢复方法是删除该索引并且尝试再次执行CREATE INDEX CONCURRENTLY。 (另一种可能性是用REINDEX INDEX CONCURREN...
[postgres@server bin]$ ./psql-U tester-d tester psql (9.1.2) Type "help"forhelp. tester=>\d tab01;Table"public.tab01"Column|Type|Modifiers---+---+---id|integer|cd|charactervarying(4)|tester=>\d tab02;Table"public.tab02"Column|Type|Modifiers---+---+---id|integer|value|integer...
在当前数据库中创建一个新的空白表,该表由命令执行者所有。列存表支持的数据类型请参考列存表支持的数据类型。列存表不支持数组。列存表不支持生成列。列存表不支持创建全局临时表。创建列存表的数量建议不超过1000个。如果在建表过程中数据库系统发生故障,系统恢复后可能
Using PostgreSQL SERIAL to Create Auto-increment Column This tutorial works for PostgreSQL anywhere. Postgres on Neon autoscales. Get the free plan here. Summary: in this tutorial, you will learn about the PostgreSQL SERIAL pseudo-type and how to use the SERIAL pseudo-type to define auto-increm...
我第四个测试: 通过psql发起事务 另一个psql客户端执行 "create index concurrently",被阻塞。 无论PostgreSQL9.1.2,还是PostgreSQL9.2.4,结果是一样的。 数据准备: [postgres@server bin]$ ./psql-U tester-d tester psql (9.1.2) Type "help"forhelp. ...
CREATE[UNIQUE] INDEX [ CONCURRENTLY ] [ [存在しない場合] name ]ON[ONLY] table_name [USINGメソッド] ( { column_name|(式) } [COLLATE照合順序] [ opclass [ ( opclass_parameter=value[, ...] ) ] ] ] [ASC|DESC] [ NULLS {FIRST|LAST} ] [, ...]) [含まれる (column_name [...
postgres=# \d tab Table "public.tab" Column | Type | Modifiers ---+---+--- col | integer | Indexes: "idx" btree (col) INVALID 这种情况推荐的恢复方法是删除掉索引并且再次执行CREATE INDEX CONCURRENTLY. (另一种重建索引的方法是使用REINDEX.然而,因为REINDEX不支持并发建立索引,所以这种方式可用...
BEFOREINSERTONtblFOREACHROWEXECUTEPROCEDUREcopy_column_on_insert();INSERTINTOtbl(x, z)VALUES(12,22) ;SELECT*FROMtbl; Problem (have added potential solution to the bottom of the post) I don't know what's wrong with the approach that I currently have, but when I try to run it dbeaver ...