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Add likely/unlikely to speed up execution
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()
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@ -674,7 +674,8 @@ bool mysql_derived_prepare(THD *thd, LEX *lex, TABLE_LIST *derived)
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table reference from a subquery for this.
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*/
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DBUG_ASSERT(derived->with->get_sq_rec_ref());
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if (mysql_derived_prepare(lex->thd, lex, derived->with->get_sq_rec_ref()))
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if (unlikely(mysql_derived_prepare(lex->thd, lex,
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derived->with->get_sq_rec_ref())))
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DBUG_RETURN(TRUE);
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}
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@ -698,7 +699,7 @@ bool mysql_derived_prepare(THD *thd, LEX *lex, TABLE_LIST *derived)
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&derived->alias, FALSE, FALSE, FALSE, 0);
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thd->create_tmp_table_for_derived= FALSE;
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if (!res && !derived->table)
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if (likely(!res) && !derived->table)
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{
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derived->derived_result->set_unit(unit);
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derived->table= derived->derived_result->table;
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