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  1. MariaDB Server
  2. MDEV-21608

Assertion `n_ext == dtuple_get_n_ext(dtuple)' failed during updation of PK




      MariaDB Version 10.5.1-MariaDB-debug
       - SSL connections supported
       - binaries are debug compiled
       - binaries built with wsrep patch
      Collecting tests...
      Installing system database...
      TEST                                      RESULT   TIME (ms) or COMMENT
      worker[1] Using MTR_BUILD_THREAD 300, with reserved ports 16000..16019
      CREATE TABLE t4 ( col1 INT PRIMARY KEY, col2 INT, col_int2 INTEGER, col_varchar VARCHAR(500), col_text TEXT ) ENGINE = InnoDB ROW_FORMAT = Redundant ;
      SET @fill_amount = (@@innodb_page_size / 2 ) + 1 ;
      INSERT INTO t4 (col1,col2, col_int2, col_text ) VALUES ( 20, 19, 2, REPEAT(2, @fill_amount) ) ;
      ALTER TABLE t4 ADD COLUMN col_text_copy TEXT  ;
      UPDATE t4 SET col_text_copy = col_text ;
      ALTER TABLE t4 ADD KEY ( col_text(9) ) ;
      UPDATE t4 SET col1 = 52 ORDER BY col1 DESC LIMIT 2 ;
      ERROR HY000: Lost connection to MySQL server during query
      CREATE TABLE t1 (col1 INT) ENGINE = InnoDB;
      ERROR HY000: MySQL server has gone away
      DROP TABLE t1;
      ERROR HY000: MySQL server has gone away
      DROP TABLE t4;
      ERROR HY000: MySQL server has gone away
      main.ML_1 'innodb'                       [ fail ]
              Test ended at 2020-01-30 16:03:06
      CURRENT_TEST: main.ML_1
      Version: '10.5.1-MariaDB-debug-log'  socket: '/home/mleichbld_debug/mysql-test/var/tmp/mysqld.1.sock'  port: 16000  Source distribution
      mysqld: storage/innobase/include/rem0rec.ic:1393: ulint rec_get_converted_size(dict_index_t*, const dtuple_t*, ulint): Assertion `n_ext == dtuple_get_n_ext(dtuple)' failed.
      200130 16:03:06 [ERROR] mysqld got signal 6 ;
      Query (0x7f6c880126d0): UPDATE t4 SET col1 = 52 ORDER BY col1 DESC LIMIT 2
      Connection ID (thread ID): 4
      Status: NOT_KILLED
      Thread 1 (Thread 0x7f6cb8e47700 (LWP 338691)):
      #0  __pthread_kill (threadid=<optimized out>, signo=6) at ../sysdeps/unix/sysv/linux/pthread_kill.c:62
      #1  0x00005581637ef573 in my_write_core (sig=6) at mysys/stacktrace.c:518
      #2  0x0000558162ecdd87 in handle_fatal_signal (sig=6) at sql/signal_handler.cc:343
      #3  <signal handler called>
      #4  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:58
      #5  0x00007f6cbfabc37a in __GI_abort () at abort.c:89
      #6  0x00007f6cbfab2b47 in __assert_fail_base (fmt=<optimized out>, assertion=assertion@entry=0x558163d0ce28 "n_ext == dtuple_get_n_ext(dtuple)", file=file@entry=0x558163d0ca98 "storage/innobase/include/rem0rec.ic", line=line@entry=1393, function=function@entry=0x558163d14280 <_ZZL22rec_get_converted_sizeP12dict_index_tPK8dtuple_tmE19__PRETTY_FUNCTION__> "ulint rec_get_converted_size(dict_index_t*, const dtuple_t*, ulint)") at assert.c:92
      #7  0x00007f6cbfab2bf2 in __GI___assert_fail (assertion=0x558163d0ce28 "n_ext == dtuple_get_n_ext(dtuple)", file=0x558163d0ca98 "storage/innobase/include/rem0rec.ic", line=1393, function=0x558163d14280 <_ZZL22rec_get_converted_sizeP12dict_index_tPK8dtuple_tmE19__PRETTY_FUNCTION__> "ulint rec_get_converted_size(dict_index_t*, const dtuple_t*, ulint)") at assert.c:101
      #8  0x00005581635b11b0 in rec_get_converted_size (index=0x7f6c88160dc8, dtuple=0x7f6c88071e58, n_ext=1) at storage/innobase/include/rem0rec.ic:1393
      #9  0x00005581635c122c in btr_cur_optimistic_insert (flags=0, cursor=0x7f6cb8e44110, offsets=0x7f6cb8e440a8, heap=0x7f6cb8e440a0, entry=0x7f6c88071e58, rec=0x7f6cb8e440b0, big_rec=0x7f6cb8e44098, n_ext=1, thr=0x7f6c8805d1e0, mtr=0x7f6cb8e44470) at storage/innobase/btr/btr0cur.cc:3410
      #10 0x0000558163472b67 in row_ins_clust_index_entry_low (flags=0, mode=2, index=0x7f6c88160dc8, n_uniq=1, entry=0x7f6c88071e58, n_ext=1, thr=0x7f6c8805d1e0) at storage/innobase/row/row0ins.cc:2763
      #11 0x0000558163474404 in row_ins_clust_index_entry (index=0x7f6c88160dc8, entry=0x7f6c88071e58, thr=0x7f6c8805d1e0, n_ext=1) at storage/innobase/row/row0ins.cc:3236
      #12 0x00005581634fcf9d in row_upd_clust_rec_by_insert (node=0x7f6c8805ce18, index=0x7f6c88160dc8, thr=0x7f6c8805d1e0, referenced=0, foreign=false, mtr=0x7f6cb8e45140) at storage/innobase/row/row0upd.cc:2805
      #13 0x00005581634fe6f2 in row_upd_clust_step (node=0x7f6c8805ce18, thr=0x7f6c8805d1e0) at storage/innobase/row/row0upd.cc:3223
      #14 0x00005581634fead8 in row_upd (node=0x7f6c8805ce18, thr=0x7f6c8805d1e0) at storage/innobase/row/row0upd.cc:3297
      #15 0x00005581634ff09e in row_upd_step (thr=0x7f6c8805d1e0) at storage/innobase/row/row0upd.cc:3441
      #16 0x000055816349c7c0 in row_update_for_mysql (prebuilt=0x7f6c8805c598) at storage/innobase/row/row0mysql.cc:1889
      #17 0x00005581632ed826 in ha_innobase::update_row (this=0x7f6c8806bc50, old_row=0x7f6c88175f68 "\344\024", new_row=0x7f6c88175d50 "\344\064") at storage/innobase/handler/ha_innodb.cc:8584
      #18 0x0000558162ee35f9 in handler::ha_update_row (this=0x7f6c8806bc50, old_data=0x7f6c88175f68 "\344\024", new_data=0x7f6c88175d50 "\344\064") at sql/handler.cc:6702
      #19 0x0000558162caad9e in mysql_update (thd=0x7f6c88000a98, table_list=0x7f6c880127e8, fields=..., values=..., conds=0x0, order_num=1, order=0x7f6c88013218, limit=2, ignore=false, found_return=0x7f6cb8e45ff0, updated_return=0x7f6cb8e460b0) at sql/sql_update.cc:1054
      #20 0x0000558162b8c077 in mysql_execute_command (thd=0x7f6c88000a98) at sql/sql_parse.cc:4359
      #21 0x0000558162b99322 in mysql_parse (thd=0x7f6c88000a98, rawbuf=0x7f6c880126d0 "UPDATE t4 SET col1 = 52 ORDER BY col1 DESC LIMIT 2", length=50, parser_state=0x7f6cb8e46570, is_com_multi=false, is_next_command=false) at sql/sql_parse.cc:7988
      #22 0x0000558162b843e1 in dispatch_command (command=COM_QUERY, thd=0x7f6c88000a98, packet=0x7f6c88007f29 "UPDATE t4 SET col1 = 52 ORDER BY col1 DESC LIMIT 2 ", packet_length=51, is_com_multi=false, is_next_command=false) at sql/sql_parse.cc:1846
      #23 0x0000558162b82b3b in do_command (thd=0x7f6c88000a98) at sql/sql_parse.cc:1364
      #24 0x0000558162d23104 in do_handle_one_connection (connect=0x558165648938, put_in_cache=true) at sql/sql_connect.cc:1422
      #25 0x0000558162d22e38 in handle_one_connection (arg=0x558165648938) at sql/sql_connect.cc:1319
      #26 0x000055816327e609 in pfs_spawn_thread (arg=0x55816529c868) at storage/perfschema/pfs.cc:1869
      #27 0x00007f6cc08ff6da in start_thread (arg=0x7f6cb8e47700) at pthread_create.c:456
      #28 0x00007f6cbfb8dd7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
      No replay
      - on 10.5 compiled without debug
      - 10.2.21  commit 67240858b2bfa0afc436d88fc9da0595e1391b60
      - if using ROW_FORMAT != Redundant 


        1. ML_1.test
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        2. prt
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              thiru Thirunarayanan Balathandayuthapani
              mleich Matthias Leich
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