Spracherkennung für: .test vermutete Sprache: SQL {SQL[84] ABAP[60] ADA[28]} [Methode: maximale Elemente, drei Dimensionen]
# Tests for PERFORMANCE_SCHEMA
--source include/not_embedded.inc
--source include/have_perfschema.inc
--disable_result_log
select * from performance_schema.host_cache
where IP like '%' limit 1;
select * from performance_schema.host_cache
where IP='localhost';
--enable_result_log
--error ER_TABLEACCESS_DENIED_ERROR
insert into performance_schema.host_cache
set IP='FOO', SUM_BLOCKING_ERRORS=1, COUNT_FCRDNS_ERRORS=2;
--error ER_TABLEACCESS_DENIED_ERROR
update performance_schema.host_cache
set COUNT_UNKNOWN_ERRORS=12;
--error ER_TABLEACCESS_DENIED_ERROR
update performance_schema.host_cache
set SUM_BLOCKING_ERRORS=12 where IP='127.0.0.1';
select HOST from performance_schema.host_cache
where IP='::1';
--error ER_TABLEACCESS_DENIED_ERROR
delete from performance_schema.host_cache
where IP='::1';
--error ER_TABLEACCESS_DENIED_ERROR
delete from performance_schema.host_cache;
--error ER_TABLEACCESS_DENIED_ERROR
LOCK TABLES performance_schema.host_cache READ;
UNLOCK TABLES;
--error ER_TABLEACCESS_DENIED_ERROR
LOCK TABLES performance_schema.host_cache WRITE;
UNLOCK TABLES;
--echo #
--echo # MDEV-25325 column_comment for performance_schema tables
--echo #
select column_name, column_comment
from information_schema.columns
where table_schema='performance_schema' and table_name='host_cache';
[Dauer der Verarbeitung: 0.11 Sekunden, vorverarbeitet 2026-10-08]