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
postgres=# insert into t1 select n,n || '_andyxi' from generate_series(1,1000) n; INSERT 0 1000 Time: 18.283 ms postgres=# create UNIQUE INDEX CONCURRENTLY idx_unique_id on t1 using btree(id); CREATE INDEX Time: 20.337 ms 整个加索引流程如下: 1.start transtion 1,拿到current snapshot...
postgres=# \dタブ テーブル "public.tab" 列|タイプ|照合|Nullable|デフォルト---+---+---+---+---col|整数|||Indexes: "idx" btree (col) 無効 このような場合に推奨される回復方法は、インデックスを削除し、CREATE index CONCURRENTLYをもう一度実行することです。 (別の可能性は、R...
postgres=#createtablea(idint);CREATETABLEpostgres=#createtableb(idint);CREATETABLE 2、会话1 postgres=# begin;BEGIN postgres=# copy a from stdin;Enter datatobe copied followedbyanewline. Endwithabackslashandaperiodonalinebyitself,oranEOFsignal. >> 3、会话2 postgres=#createindexidx_b_1onb (id...
EDB Postgres Advanced Server Version 13 Documentation and release notes. Oracle database compatibility with higher security and data redaction for Enterprises.
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...
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=#createtabletbl (c1int, c2int)withoids;CREATETABLEpostgres=#createuniqueindexidx_tbl_oidontbl(oid);CREATEINDEXpostgres=#insertintotbl (c1,c2)values(1,2);INSERT164121postgres=#insertintotbl (c1,c2)values(1,2);INSERT164131postgres=#insertintotbl (c1,c2)values(1,2);INSERT164141postgres...
public | company_pkey | index | postgres | company public | department_pkey | index | postgres | department public | salary_index | index | postgres | company (3 rows) 1. 2. 3. 4. 5. 6. 7. 8. 三、DROP INDEX (删除索引)
Steps to reproduce this issue Create a new connection with a PostgreSQL database. At the chosen database, create a new table and add a couple of columns (I'm using 3). Create a new index for any of the columns you created on your table. ...