config variable to ignore errors by errcodes

[munakoiso]

Better would be to use error names. But in this case we can't disable custom error codes

 logerrors.excluded_errcodes 
-----------------------------
 16801924,33816706
(1 row)

Time: 0.280 ms
sas-i08x4169z36l1l1t/postgres M # select 1/0;
ERROR:  22012: division by zero
LOCATION:  int4div, int.c:824
Time: 0.240 ms
sas-i08x4169z36l1l1t/postgres M # asd;
ERROR:  42601: syntax error at or near "asd"
LINE 1: asd;
        ^
LOCATION:  scanner_yyerror, scan.l:1149
Time: 0.194 ms
sas-i08x4169z36l1l1t/postgres M # \c asd
FATAL:  database "asd" does not exist
Previous connection kept
sas-i08x4169z36l1l1t/postgres M # select * from pg_log_errors_stats();
 time_interval |  type   |           message            | count 
---------------+---------+------------------------------+-------
        [null] | WARNING | TOTAL                        |     0
        [null] | ERROR   | TOTAL                        |     0
        [null] | FATAL   | TOTAL                        |     1
             5 | FATAL   | ERRCODE_INVALID_CATALOG_NAME |     1
           600 | FATAL   | ERRCODE_INVALID_CATALOG_NAME |     1
(5 rows)

Time: 0.689 ms```