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Bug#35997 Event scheduler seems to let the server crash, if it is embedded.

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SHOW commands fail in embedded mode because schema_table array doesn't
correspond to enum_schema_tables.

This patch implements a dummy implementation of the abstract fill_table
function to be used when the event scheduler (or other core feature)
isn't part of the build.


libmysqld/lib_sql.cc:
  Fixed type conversion warning.
sql/sql_show.cc:
  Leave entry for EVENTS to keep array consistent but set the 
  fill_table function pointer to a dummy function instead.
This commit is contained in:
unknown
2008-05-12 12:09:10 +02:00
parent 5908a32eea
commit 3703bbf623
2 changed files with 7 additions and 2 deletions
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7
sql/sql_show.cc
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@ -3898,7 +3898,6 @@ static my_bool iter_schema_engines(THD *thd, plugin_ref plugin,
DBUG_RETURN(0);
}
int fill_schema_engines(THD *thd, TABLE_LIST *tables, COND *cond)
{
return plugin_foreach(thd, iter_schema_engines,
@ -5870,6 +5869,9 @@ bool get_schema_tables_result(JOIN *join,
bool is_subselect= (&lex->unit != lex->current_select->master_unit() &&
lex->current_select->master_unit()->item);
/* A value of 0 indicates a dummy implementation */
if (table_list->schema_table->fill_table == 0)
continue;
/* skip I_S optimizations specific to get_all_tables */
if (thd->lex->describe &&
@ -6548,6 +6550,9 @@ ST_SCHEMA_TABLE schema_tables[]=
#ifdef HAVE_EVENT_SCHEDULER
{"EVENTS", events_fields_info, create_schema_table,
Events::fill_schema_events, make_old_format, 0, -1, -1, 0, 0},
#else
{"EVENTS", events_fields_info, create_schema_table,
0, make_old_format, 0, -1, -1, 0, 0},
#endif
{"FILES", files_fields_info, create_schema_table,
fill_schema_files, 0, 0, -1, -1, 0, 0},