Hello.
=20
Testing of the concurrent access to database objects leaded to the followin=
g error:
=9A
=9A ERROR: tuple concurrently updated
=9A SQL state: XX000
=9A
According to the "PostgreSQL Error Codes" table in the documentation, "XX00=
0" is the PostgreSQL internal error code.
=9A
How to reproduce such an error:=20
=20
1. Create a table in some database and view:
=20
create table t1 ( id int );
create temp view v1 as select * from t1;
=20
2. Concurrent access to table t1 is performed by 2 clients (further C1 and =
C2) particularly in this order:
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C1: begin; drop view v1;
C2: drop table t1;
C1: commit;
=9A
=9AAnd finally, transaction of the client C2 is terminated with this "expec=
ted" error.
=9A
What's wrong?
