Re: [Proposal] Global temporary tables

> 2020年2月24日 下午9:34，Prabhat Sahu <prabhat(dot)sahu(at)enterprisedb(dot)com> 写道：
>
> Hi All,
>
> I observe a different behavior in "temporary table" and "global temporary table".
> Not sure if it is expected?
>
> postgres=# create global temporary table parent1(a int) on commit delete rows;
> CREATE TABLE
> postgres=# create global temporary table child1() inherits (parent1);
> CREATE TABLE
> postgres=# insert into parent1 values(1);
> INSERT 0 1
> postgres=# insert into child1 values(2);
> INSERT 0 1
> postgres=# select * from parent1;
> a
> ---
> (0 rows)
>
> postgres=# select * from child1;
> a
> ---
> (0 rows)
Because child1 inherits its father's on commit property.
I can make GTT behave like local temp table.

>
>
> postgres=# create temporary table parent2(a int) on commit delete rows;
> CREATE TABLE
> postgres=# create temporary table child2() inherits (parent2);
> CREATE TABLE
> postgres=# insert into parent2 values(1);
> INSERT 0 1
> postgres=# insert into child2 values(2);
> INSERT 0 1
> postgres=# select * from parent2;
> a
> ---
> 2
> (1 row)
>
> postgres=# select * from child2;
> a
> ---
> 2
> (1 row)
>
>
> Thanks,
> Prabhat Sahu
>