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Bug#53696 Performance schema engine violates the PSEA API by calling my_error()

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This is a code cleanup.

The implementation of a storage engine (subclasses of handler) is not supposed
to call my_error() directly inside the engine implementation, 
but only return error codes, and report errors later at the demand
of the sql layer only (if needed), using handler::print_error().

This fix removes misplaced calls to my_error(),
and provide an implementation of print_error() instead.

Given that the sql layer implementation of create table, ha_create_table(),
does not use print_error() but returns ER_CANT_CREATE_TABLE directly,
the return code for create table statements using the performance schema
has changed to ER_CANT_CREATE_TABLE.

Adjusted the test suite accordingly.
This commit is contained in:
Marc Alff
2010-12-01 13:06:41 +01:00
parent 938c61dcbb
commit 033c6c394d
10 changed files with 57 additions and 39 deletions
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4
mysql-test/suite/perfschema/t/misc.test
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@@ -38,14 +38,14 @@ LIMIT 1;
# Bug#45088 Should not be able to create tables of engine PERFORMANCE_SCHEMA
#
--error ER_WRONG_PERFSCHEMA_USAGE
--error ER_CANT_CREATE_TABLE
create table test.t1(a int) engine=performance_schema;
#
# Bug#44897 Performance Schema: can create a ghost table in another database
#
--error ER_WRONG_PERFSCHEMA_USAGE
--error ER_CANT_CREATE_TABLE
create table test.t1 like performance_schema.events_waits_current;
#