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Add likely/unlikely to speed up execution

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Added to:
- if (error)
- Lex
- sql_yacc.yy and sql_yacc_ora.yy
- In header files to alloc() calls
- Added thd argument to thd_net_is_killed()
This commit is contained in:
Monty
2018-04-04 12:16:12 +03:00
parent a22a339f8e
commit 30ebc3ee9e
118 changed files with 4874 additions and 4440 deletions
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8
sql/sql_rename.cc
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@ -173,14 +173,14 @@ bool mysql_rename_tables(THD *thd, TABLE_LIST *table_list, bool silent)
error= 1;
}
if (!silent && !error)
if (likely(!silent && !error))
{
binlog_error= write_bin_log(thd, TRUE, thd->query(), thd->query_length());
if (!binlog_error)
if (likely(!binlog_error))
my_ok(thd);
}
if (!error)
if (likely(!error))
query_cache_invalidate3(thd, table_list, 0);
err:
@ -332,7 +332,7 @@ do_rename(THD *thd, TABLE_LIST *ren_table, const LEX_CSTRING *new_db,
{
my_error(ER_NO_SUCH_TABLE, MYF(0), ren_table->db.str, old_alias.str);
}
if (rc && !skip_error)
if (unlikely(rc && !skip_error))
DBUG_RETURN(1);
DBUG_RETURN(0);