Fixed crashing bug with alter table when table was in use (Bug #3643)

We didn't use 'only index' for tables of type 'const'. (Bug #3497)


mysql-test/r/func_str.result:
  New testfin
mysql-test/r/key.result:
  New test
mysql-test/r/key_primary.result:
  Update after "We didn't use 'only index' for tables of type 'const'" fix.
mysql-test/r/null_key.result:
  Update after "We didn't use 'only index' for tables of type 'const'" fix.
mysql-test/r/subselect.result:
  Update after "We didn't use 'only index' for tables of type 'const'" fix.
mysql-test/t/func_str.test:
  Updated bug texts
  Added test for conversion of long string value to integer (Bug #3472)
mysql-test/t/key.test:
  Test of key read with primary key (Bug #3497)
sql/item.cc:
  Added assert
sql/sql_base.cc:
  Fixed crashing bug with alter table when table was in use (Bug #3643)
sql/sql_load.cc:
  Indentation fixes
sql/sql_select.cc:
  We didn't use 'only index' for tables of type 'const'. (Bug #3497)

1 files changed, 12 insertions, 0 deletions

diff --git a/mysql-test/t/key.test b/mysql-test/t/key.test
index cdaf6062771..4fa85477318 100644
--- a/mysql-test/t/key.test
+++ b/mysql-test/t/key.test
@@ -204,3 +204,15 @@ select i from t1 where a=repeat(_utf8 0xD0B1,200);
 select i from t1 where b=repeat(_utf8 'b',310);
 drop table t1;
 
+#
+# Test of key read with primary key (Bug #3497)
+#
+
+CREATE TABLE t1 (id int unsigned auto_increment, name char(50), primary key (id)) engine=myisam;
+insert into t1 (name) values ('a'), ('b'),('c'),('d'),('e'),('f'),('g');
+explain select 1 from t1 where id =2;
+explain select 1 from t1 where id =2 or id=3;
+explain select name from t1 where id =2;
+ALTER TABLE t1 DROP PRIMARY KEY, ADD INDEX (id);
+explain select 1 from t1 where id =2;
+drop table t1;