Re: [Proposal] Global temporary tables

po 24. 2. 2020 v 14:34 odesílatel Prabhat Sahu <
prabhat(dot)sahu(at)enterprisedb(dot)com> napsal:

> 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)
>

It is bug. Probably INHERITS clause is not well implemented for GTT

>
> 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
>
>