Hello,
On Mon, 2022-08-08 at 15:52 +0800, Wind wrote:
> hi~
> I test "tablesample" feature on pg9.5 and found that tablesample
> doesnt support to be applied to subquery.
> for example this sql doesnt work on pg9.5:
> ```
> create table t1(
> c1 int,
> c2 int
> );
> select c2 from (select
hi~
I test "tablesample" feature on pg9.5 and found that tablesample doesnt support
to be applied to subquery.
for example this sql doesnt work on pg9.5:
```
create table t1(
c1 int,
c2 int
);
select c2 from (select * from t1) as t2 tablesample system (50);
```
while i read sql2003 standar
