Document error code and SQL state for blocked queries

If the dbfwfilter blocks a query a specific error is returned. This was not documented and is needed to detect errors sent by the filter.
2018-10-17 11:01:39 +03:00
parent 230345c98c
commit 457d0c21dd
1 changed files with 3 additions and 0 deletions
--- a/Documentation/Filters/Database-Firewall-Filter.md
+++ b/Documentation/Filters/Database-Firewall-Filter.md
@ -88,6 +88,9 @@ action=block
 rules=/home/user/blacklist-rules.txt
 ```

+If a query is blocked, the filter will return an error to the client with the
+error number 1141 and an SQL state of HY000.
+
 #### `log_match`

 Log all queries that match a rule. For the `any` matching mode, the name of the