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Bug#24795: Add SHOW PROFILE

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Patch contributed by Jeremy Cole.  CLA received Oct 2006 by Kaj Arnö

Add rudimentary query profiling support.
This commit is contained in:
cmiller@zippy.cornsilk.net
2007-01-03 17:15:10 -05:00
parent f8bd5d312b
commit 10cdf90bd3
33 changed files with 976 additions and 134 deletions
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12
sql/sql_delete.cc
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@ -55,7 +55,7 @@ bool mysql_delete(THD *thd, TABLE_LIST *table_list, COND *conds,
table->file->print_error(error, MYF(0));
DBUG_RETURN(error);
}
thd->proc_info="init";
THD_PROC_INFO(thd, "init");
table->map=1;
if (mysql_prepare_delete(thd, table_list, &conds))
@ -206,7 +206,7 @@ bool mysql_delete(THD *thd, TABLE_LIST *table_list, COND *conds,
deleted=0L;
init_ftfuncs(thd, select_lex, 1);
thd->proc_info="updating";
THD_PROC_INFO(thd, "updating");
if (table->triggers)
table->triggers->mark_fields_used(thd, TRG_EVENT_DELETE);
@ -262,7 +262,7 @@ bool mysql_delete(THD *thd, TABLE_LIST *table_list, COND *conds,
}
if (thd->killed && !error)
error= 1; // Aborted
thd->proc_info="end";
THD_PROC_INFO(thd, "end");
end_read_record(&info);
free_io_cache(table); // Will not do any harm
if (options & OPTION_QUICK)
@ -486,7 +486,7 @@ multi_delete::prepare(List<Item> &values, SELECT_LEX_UNIT *u)
DBUG_ENTER("multi_delete::prepare");
unit= u;
do_delete= 1;
thd->proc_info="deleting from main table";
THD_PROC_INFO(thd, "deleting from main table");
DBUG_RETURN(0);
}
@ -750,7 +750,7 @@ int multi_delete::do_deletes()
bool multi_delete::send_eof()
{
thd->proc_info="deleting from reference tables";
THD_PROC_INFO(thd, "deleting from reference tables");
/* Does deletes for the last n - 1 tables, returns 0 if ok */
int local_error= do_deletes(); // returns 0 if success
@ -759,7 +759,7 @@ bool multi_delete::send_eof()
local_error= local_error || error;
/* reset used flags */
thd->proc_info="end";
THD_PROC_INFO(thd, "end");
/*
We must invalidate the query cache before binlog writing and