Shubhankar Anand Kulkarni writes:
Hi,
> SELECT sensitive_data1, column1 FROM benchmark_encytion AS t1 LEFT JOIN (
> SELECT aes256_cbc_decrypt( c1, '\x1234' ::
> bytea, '\x5678' :: bytea ) AS column1 FROM cipher ) AS t2 ON
> t1.sensitive_data1 = t2.column1;
>
> As you can see in the above Que
Hi Hackers,
While dealing with a few queries, I noticed that when the join expression (join
clause) is used in projection as well, the expression will be computed twice.
For a better understanding, please take reference from the following example:
SELECT sensitive_data1, column1 FROM benchmark