Bug #500: Cannot create View and Problems With the UNION clause

Cortez (cortez@ejegy.hu) reports a bug with a severity of 3
The lower the number the more severe it is.

Short Description
Cannot create View and Problems With the UNION clause

Long Description
1) VIEW
I cannot create a VIEW, cause i have used the COPY command with OID.
And i have giving negative number for the oid like '-2147483648' for
test and the psql has return this error message:

ERROR:  pg_atoi: error reading "2147599903": Numerical result out of range

2) UNION
 Why doesnt working the following SQL command ?

database=# SELECT EXISTS (SELECT 1 UNION SELECT 2);
ERROR:  parser: parse error at or near "union"


Sample Code


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