LevelDB: Server crashes in LDBSE_KEYDEF::setup on dropping the primary key column

CREATE TABLE t1 (pk INT PRIMARY KEY, i INT NOT NULL, KEY(i)) ENGINE=LevelDB;

ALTER TABLE t1 DROP COLUMN `pk`;

#3  <signal handler called>

#4  0x0000000000b09cff in LDBSE_KEYDEF::setup (this=0x110079656b5f3866, tbl=0x7f472c015ae0) at mysql-5.6-leveldb/storage/leveldb/ldb_datadic.cc:61

#5  0x0000000000b04298 in ha_leveldb::open (this=0x7f472c012970, name=0x7f472c0166c0 "./test/#sql-e71_2", mode=2, test_if_locked=2) at mysql-5.6-leveldb/storage/leveldb/ha_leveldb.cc:800

#6  0x000000000061971b in handler::ha_open (this=0x7f472c012970, table_arg=0x7f472c015ae0, name=0x7f472c0166c0 "./test/#sql-e71_2", mode=2, test_if_locked=2) at mysql-5.6-leveldb/sql/handler.cc:2421

#7  0x000000000085826c in open_table_from_share (thd=0x2b3cd20, share=0x7f472c0163a8, alias=0x7f476808eba0 "#sql-e71_2", db_stat=7, prgflag=44, ha_open_flags=0, outparam=0x7f472c015ae0, is_create_table=false) at mysql-5.6-leveldb/sql/table.cc:2267

#8  0x000000000073fb20 in open_table_uncached (thd=0x2b3cd20, path=0x7f476808f40c "./test/#sql-e71_2", db=0x7f472c0055f8 "test", table_name=0x7f476808eba0 "#sql-e71_2", add_to_temporary_tables_list=true, open_in_engine=true) at mysql-5.6-leveldb/sql/sql_base.cc:6080

#9  0x000000000080f1c0 in mysql_alter_table (thd=0x2b3cd20, new_db=0x7f472c0055f8 "test", new_name=0x0, create_info=0x7f47680903c0, table_list=0x7f472c0050a0, alter_info=0x7f47680904a0, order_num=0, order=0x0, ignore=false) at mysql-5.6-leveldb/sql/sql_table.cc:8092

#10 0x00000000009455cc in Sql_cmd_alter_table::execute (this=0x7f472c005628, thd=0x2b3cd20) at mysql-5.6-leveldb/sql/sql_alter.cc:313

#11 0x00000000007a5d31 in mysql_execute_command (thd=0x2b3cd20) at mysql-5.6-leveldb/sql/sql_parse.cc:4839

#12 0x00000000007a8be7 in mysql_parse (thd=0x2b3cd20, rawbuf=0x7f472c004fb0 "ALTER TABLE C DROP COLUMN `pk2`", length=31, parser_state=0x7f4768092110) at mysql-5.6-leveldb/sql/sql_parse.cc:6117

#13 0x000000000079c9a3 in dispatch_command (command=COM_QUERY, thd=0x2b3cd20, packet=0x2c46a61 "ALTER TABLE C DROP COLUMN `pk2`", packet_length=31) at mysql-5.6-leveldb/sql/sql_parse.cc:1312

#14 0x000000000079bb66 in do_command (thd=0x2b3cd20) at mysql-5.6-leveldb/sql/sql_parse.cc:1036

#15 0x0000000000766e09 in do_handle_one_connection (thd_arg=0x2b3cd20) at mysql-5.6-leveldb/sql/sql_connect.cc:969

#16 0x000000000076682e in handle_one_connection (arg=0x2b3cd20) at mysql-5.6-leveldb/sql/sql_connect.cc:885

#17 0x0000000000af6924 in pfs_spawn_thread (arg=0x2aee070) at mysql-5.6-leveldb/storage/perfschema/pfs.cc:1853

#18 0x00007f4769588e9a in start_thread (arg=0x7f4768093700) at pthread_create.c:308

#19 0x00007f4768aa3cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112

revision-id: psergey@askmonty.org-20130321202952-we4dnb3u2snr1vxz

revno: 4612

branch-nick: mysql-5.6-leveldb