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Bug#57609 performance_schema does not work with lower_case_table_names
Before this fix, the performance schema tables were defined in UPPERCASE. This was incompatible with the lowercase_table_names option, and caused issues with the install / upgrade process, when changing the lower case table names setting *after* the install or upgrade. With this fix, all performance schema tables are exposed with lowercase names. As a result, the name of the performance schema table is always lowercase, no matter how / if / when the lowercase_table_names setting if changed.
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@@ -27,7 +27,7 @@
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# The point is not to test myisam, but to test that each
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# connection is properly instrumented, with one-thread-per-connection
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update performance_schema.SETUP_INSTRUMENTS set enabled='YES'
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update performance_schema.setup_instruments set enabled='YES'
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where name like "wait/synch/mutex/mysys/THR_LOCK_myisam";
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--disable_warnings
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@@ -36,7 +36,7 @@ drop table if exists test.t2;
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drop table if exists test.t3;
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--enable_warnings
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truncate table performance_schema.EVENTS_WAITS_HISTORY_LONG;
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truncate table performance_schema.events_waits_history_long;
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show variables like "thread_handling";
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