The following bug has been logged on the website:
Bug reference: 14883
Logged by: Stefan Hanenberg
Email address: stefan.hanenberg@googlemail.com
PostgreSQL version: 10.0
Operating system: Windows 10/64
Description:
I am not 100% sure whether this is really a bug, I report it anyway.
The following SQL statement leads to an error 42601 (syntax error), although
the error is not a syntax error.
create table t1 (a integer,b integer);
create table t2 (a integer,b integer,c integer);
select * from t1 union select * from t2;
We are currently running automated tests on hundreds of thousands SQL in
order to check, what kind of errors they contain. It is really problematic
for us that the error is a 42601 error, although it seems rather as if it is
a type error.
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