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MDEV-32751 sys schema view session_ssl_status is empty

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* treat FUNC/ARRAY variables as SESSION (otherwise they won't be shown)
* allow SHOW_SIMPLE_FUNC everywhere where SHOW_FUNC is
* increase row buffer size to avoid "too short" assert
This commit is contained in:
Sergei Golubchik
2023-11-24 17:45:16 +01:00
parent 4231cf6d3f
commit d9cb1a2b7e
4 changed files with 29 additions and 5 deletions
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12
storage/perfschema/pfs_variable.cc
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@@ -66,7 +66,7 @@ static inline SHOW_SCOPE show_scope_from_type(enum enum_mysql_show_type type)
case SHOW_SIMPLE_FUNC:
case SHOW_UNDEF:
default:
return SHOW_SCOPE_UNDEF;
return SHOW_SCOPE_ALL;
}
return SHOW_SCOPE_UNDEF;
}
@@ -716,6 +716,7 @@ bool PFS_status_variable_cache::can_aggregate(enum_mysql_show_type variable_type
case SHOW_CHAR_PTR:
case SHOW_ARRAY:
case SHOW_FUNC:
case SHOW_SIMPLE_FUNC:
case SHOW_INT:
case SHOW_LONG:
case SHOW_LONGLONG:
@@ -1152,16 +1153,19 @@ void PFS_status_variable_cache::manifest(THD *thd, const SHOW_VAR *show_var_arra
reevaluate the new SHOW_TYPE and value. Handle nested case where
SHOW_FUNC resolves to another SHOW_FUNC.
*/
if (show_var_ptr->type == SHOW_FUNC)
if (show_var_ptr->type == SHOW_FUNC || show_var_ptr->type == SHOW_SIMPLE_FUNC)
{
show_var_tmp= *show_var_ptr;
/*
Execute the function reference in show_var_tmp->value, which returns
show_var_tmp with a new type and new value.
*/
for (const SHOW_VAR *var= show_var_ptr; var->type == SHOW_FUNC; var= &show_var_tmp)
for (const SHOW_VAR *var= show_var_ptr;
var->type == SHOW_FUNC || var->type == SHOW_SIMPLE_FUNC;
var= &show_var_tmp)
{
((mysql_show_var_func)(var->value))(thd, &show_var_tmp, value_buf.data, NULL, m_query_scope);
((mysql_show_var_func)(var->value))(thd, &show_var_tmp, value_buf.data,
&thd->status_var, m_query_scope);
}
show_var_ptr= &show_var_tmp;
}