On 23 February 2017 at 13:27, Greg Stark <stark@mit.edu> wrote:
> => SELECT "?column"? FROM (select 1+1 as "?column?", 1+1) AS x;
Oops, I missed the typo there:
=> SELECT "?column?" FROM (select 1+1 AS "?column?", 1+1) AS x;
ERROR: 42702: column reference "?column?" is ambiguous
LINE 2: SELECT "?column?" FROM (select 1+1 AS "?column?", 1+1) AS x; ^
LOCATION: scanRTEForColumn, parse_relation.c:669
--
greg