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simple optimzation
Portability fixes client/mysqltest.c: Fixed that if error number 0 is included in --error, we will not generate an error message include/mysql.h: Portability fix mysql-test/mysql-test-run.sh: Portability fix mysql-test/r/heap_btree.result: Portability fix mysql-test/r/rpl_error_ignored_table.result: Portability fix mysql-test/t/heap_btree.test: Portability fix mysql-test/t/rpl_error_ignored_table.test: Portability fix sql/sql_base.cc: simple optimzation sql/sql_yacc.yy: simple optimzation
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@@ -178,7 +178,7 @@ id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range btn btn 10 NULL 1 Using where
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explain select * from t1 where btn like "h%";
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range btn btn 10 NULL 4 Using where
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1 SIMPLE t1 range btn btn 10 NULL # Using where
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explain select * from t1 where btn like "a%";
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range btn btn 10 NULL 1 Using where
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