Обсуждение: Assert failure in ATPrepAddPrimaryKey

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Assert failure in ATPrepAddPrimaryKey

От
Richard Guo
Дата:
I ran into an Assert failure in ATPrepAddPrimaryKey() with the query
below:

CREATE TABLE t0(c0 boolean);
CREATE TABLE t1() INHERITS(t0);

# ALTER TABLE t0 ADD CONSTRAINT m EXCLUDE ((1) WITH =);
server closed the connection unexpectedly

The related codes are

    foreach(lc, stmt->indexParams)
    {
        IndexElem  *elem = lfirst_node(IndexElem, lc);
        Constraint *nnconstr;

        Assert(elem->expr == NULL);

It seems to be introduced by b0e96f3119.

Thanks
Richard

Re: Assert failure in ATPrepAddPrimaryKey

От
Alvaro Herrera
Дата:
On 2023-Sep-01, Richard Guo wrote:

> I ran into an Assert failure in ATPrepAddPrimaryKey() with the query
> below:
> 
> CREATE TABLE t0(c0 boolean);
> CREATE TABLE t1() INHERITS(t0);
> 
> # ALTER TABLE t0 ADD CONSTRAINT m EXCLUDE ((1) WITH =);
> server closed the connection unexpectedly

Ugh, right, I failed to make the new function do nothing for this case;
this had no coverage.  Fix attached, with some additional test cases
based on yours.

Thanks for reporting.

-- 
Álvaro Herrera               48°01'N 7°57'E  —  https://www.EnterpriseDB.com/
"XML!" Exclaimed C++.  "What are you doing here? You're not a programming
language."
"Tell that to the people who use me," said XML.
https://burningbird.net/the-parable-of-the-languages/
Вложения

Re: Assert failure in ATPrepAddPrimaryKey

От
Richard Guo
Дата:

On Fri, Sep 1, 2023 at 7:48 PM Alvaro Herrera <alvherre@alvh.no-ip.org> wrote:
On 2023-Sep-01, Richard Guo wrote:

> I ran into an Assert failure in ATPrepAddPrimaryKey() with the query
> below:
>
> CREATE TABLE t0(c0 boolean);
> CREATE TABLE t1() INHERITS(t0);
>
> # ALTER TABLE t0 ADD CONSTRAINT m EXCLUDE ((1) WITH =);
> server closed the connection unexpectedly

Ugh, right, I failed to make the new function do nothing for this case;
this had no coverage.  Fix attached, with some additional test cases
based on yours.

Thanks for the fix!

Thanks
Richard

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