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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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14
sql/sql_update.cc
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@ -167,7 +167,7 @@ int mysql_update(THD *thd,
mysql_handle_derived(thd->lex, &mysql_derived_filling)))
DBUG_RETURN(1);
thd->proc_info="init";
THD_PROC_INFO(thd, "init");
table= table_list->table;
table->file->info(HA_STATUS_VARIABLE | HA_STATUS_NO_LOCK);
@ -359,7 +359,7 @@ int mysql_update(THD *thd,
else
init_read_record_idx(&info, thd, table, 1, used_index);
thd->proc_info="Searching rows for update";
THD_PROC_INFO(thd, "Searching rows for update");
uint tmp_limit= limit;
while (!(error=info.read_record(&info)) && !thd->killed)
@ -424,7 +424,7 @@ int mysql_update(THD *thd,
updated= found= 0;
thd->count_cuted_fields= CHECK_FIELD_WARN; /* calc cuted fields */
thd->cuted_fields=0L;
thd->proc_info="Updating";
THD_PROC_INFO(thd, "Updating");
query_id=thd->query_id;
transactional_table= table->file->has_transactions();
@ -512,7 +512,7 @@ int mysql_update(THD *thd,
end_read_record(&info);
free_io_cache(table); // If ORDER BY
delete select;
thd->proc_info="end";
THD_PROC_INFO(thd, "end");
VOID(table->file->extra(HA_EXTRA_NO_IGNORE_DUP_KEY));
/*
@ -960,7 +960,7 @@ int multi_update::prepare(List<Item> &not_used_values,
thd->count_cuted_fields= CHECK_FIELD_WARN;
thd->cuted_fields=0L;
thd->proc_info="updating main table";
THD_PROC_INFO(thd, "updating main table");
tables_to_update= get_table_map(fields);
@ -1512,11 +1512,11 @@ err2:
bool multi_update::send_eof()
{
char buff[STRING_BUFFER_USUAL_SIZE];
thd->proc_info="updating reference tables";
THD_PROC_INFO(thd, "updating reference tables");
/* Does updates for the last n - 1 tables, returns 0 if ok */
int local_error = (table_count) ? do_updates(0) : 0;
thd->proc_info= "end";
THD_PROC_INFO(thd, "end");
/* We must invalidate the query cache before binlog writing and
ha_autocommit_... */