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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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6
sql/sql_truncate.cc
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@ -139,7 +139,7 @@ fk_truncate_illegal_if_parent(THD *thd, TABLE *table)
table->file->get_parent_foreign_key_list(thd, &fk_list);
/* Out of memory when building list. */
if (thd->is_error())
if (unlikely(thd->is_error()))
return TRUE;
it.init(fk_list);
@ -240,7 +240,7 @@ Sql_cmd_truncate_table::handler_truncate(THD *thd, TABLE_LIST *table_ref,
DBUG_RETURN(TRUNCATE_FAILED_SKIP_BINLOG);
error= table_ref->table->file->ha_truncate();
if (error)
if (unlikely(error))
{
table_ref->table->file->print_error(error, MYF(0));
/*
@ -447,7 +447,7 @@ bool Sql_cmd_truncate_table::truncate_table(THD *thd, TABLE_LIST *table_ref)
query must be written to the binary log. The only exception is a
unimplemented truncate method.
*/
if (error == TRUNCATE_OK || error == TRUNCATE_FAILED_BUT_BINLOG)
if (unlikely(error == TRUNCATE_OK || error == TRUNCATE_FAILED_BUT_BINLOG))
binlog_stmt= true;
else
binlog_stmt= false;