Assert hit during RQG testing.
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10.3 commit 1b87cd80a268d333acbf4fc4a3d7527cb5da3d4d 2018-08-02
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compiled from source with debug.
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Version: '10.3.9-MariaDB-debug-log' ...
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mysqld: storage/innobase/trx/trx0rec.cc:237: byte* trx_undo_log_v_idx(buf_block_t*, const dict_table_t*, ulint, byte*, bool): Assertion `n_idx > 0' failed.
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# 2018-08-02T17:37:00 [17435] | 180802 17:36:55 [ERROR] mysqld got signal 6 ;
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...
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Query (0x7f4698012d70): INSERT INTO t1 (col1,col2,col_int,col_text) VALUES (1,1,1,REPEAT(CAST( 1 AS CHAR(1)), @fill_amount) ), (1,1,1,REPEAT(CAST( 1 AS CHAR(1)), @fill_amount) ) /* E_R Thread6 QNO 34 CON_ID 20 */
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Connection ID (thread ID): 20
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Status: NOT_KILLED
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...
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#3 <signal handler called>
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#4 __GI_raise (sig=sig@entry=6)
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at ../sysdeps/unix/sysv/linux/raise.c:51
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#5 __GI_abort ()
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at abort.c:90
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#6 __assert_fail_base (fmt=<optimized out>, assertion=assertion@entry=0x564f493f1680 "n_idx > 0", file=file@entry=0x564f493f1568 "storage/innobase/trx/trx0rec.cc", line=line@entry=237, function=function@entry=0x564f493f2a80 <trx_undo_log_v_idx(buf_block_t*, dict_table_t const*, unsigned long, unsigned char*, bool)::__PRETTY_FUNCTION__> "byte* trx_undo_log_v_idx(buf_block_t*, const dict_table_t*, ulint, byte*, bool)")
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at assert.c:92
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#7 __GI___assert_fail (assertion=0x564f493f1680 "n_idx > 0", file=0x564f493f1568 "storage/innobase/trx/trx0rec.cc", line=237, function=0x564f493f2a80 <trx_undo_log_v_idx(buf_block_t*, dict_table_t const*, unsigned long, unsigned char*, bool)::__PRETTY_FUNCTION__> "byte* trx_undo_log_v_idx(buf_block_t*, const dict_table_t*, ulint, byte*, bool)")
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at assert.c:101
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#8 trx_undo_log_v_idx (undo_block=0x7f4727fcc400, table=0x7f469c031858, pos=0, ptr=0x7f4728b7b024 "", first_v_col=true)
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at storage/innobase/trx/trx0rec.cc:237
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#9 trx_undo_report_insert_virtual (undo_block=0x7f4727fcc400, table=0x7f469c031858, row=0x7f46a801d3c8, ptr=0x7f473c45aee8)
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at storage/innobase/trx/trx0rec.cc:417
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#10 trx_undo_page_report_insert (undo_block=0x7f4727fcc400, trx=0x7f473e667ad8, index=0x7f469c036a98, clust_entry=0x7f46a801d3c8, mtr=0x7f473c45afe0)
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at storage/innobase/trx/trx0rec.cc:541
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#11 trx_undo_report_row_operation (thr=0x7f4698026940, index=0x7f469c036a98, clust_entry=0x7f46a801d3c8, update=0x0, cmpl_info=0, rec=0x0, offsets=0x0, roll_ptr=0x7f473c45b580)
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at storage/innobase/trx/trx0rec.cc:2023
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#12 btr_cur_ins_lock_and_undo (flags=0, cursor=0x7f473c45ba90, entry=0x7f46a801d3c8, thr=0x7f4698026940, mtr=0x7f473c45beb0, inherit=0x7f473c45b605)
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at storage/innobase/btr/btr0cur.cc:3018
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#13 btr_cur_optimistic_insert (flags=0, cursor=0x7f473c45ba90, offsets=0x7f473c45ba30, heap=0x7f473c45ba28, entry=0x7f46a801d3c8, rec=0x7f473c45ba38, big_rec=0x7f473c45ba20, n_ext=0, thr=0x7f4698026940, mtr=0x7f473c45beb0)
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at storage/innobase/btr/btr0cur.cc:3225
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#14 row_ins_clust_index_entry_low (flags=0, mode=2, index=0x7f469c036a98, n_uniq=0, entry=0x7f46a801d3c8, n_ext=0, thr=0x7f4698026940, dup_chk_only=false)
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at storage/innobase/row/row0ins.cc:2757
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#15 row_ins_clust_index_entry (index=0x7f469c036a98, entry=0x7f46a801d3c8, thr=0x7f4698026940, n_ext=0, dup_chk_only=false)
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at storage/innobase/row/row0ins.cc:3262
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#16 row_ins_index_entry (index=0x7f469c036a98, entry=0x7f46a801d3c8, thr=0x7f4698026940)
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at storage/innobase/row/row0ins.cc:3389
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#17 row_ins_index_entry_step (node=0x7f4698026650, thr=0x7f4698026940)
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at storage/innobase/row/row0ins.cc:3539
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#18 row_ins (node=0x7f4698026650, thr=0x7f4698026940)
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at storage/innobase/row/row0ins.cc:3681
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#19 row_ins_step (thr=0x7f4698026940)
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at storage/innobase/row/row0ins.cc:3935
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#20 row_insert_for_mysql (mysql_rec=0x7f46980238f0 "\360\001", prebuilt=0x7f4698026038, ins_mode=ROW_INS_NORMAL)
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at storage/innobase/row/row0mysql.cc:1453
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#21 ha_innobase::write_row (this=0x7f4698024c30, record=0x7f46980238f0 "\360\001")
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at storage/innobase/handler/ha_innodb.cc:8169
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#22 handler::ha_write_row (this=0x7f4698024c30, buf=0x7f46980238f0 "\360\001")
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at sql/handler.cc:6196
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#23 write_record (thd=0x7f4698000ce8, table=0x7f4698023cc8, info=0x7f473c45cb90)
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at sql/sql_insert.cc:2020
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#24 mysql_insert (thd=0x7f4698000ce8, table_list=0x7f4698012f98, fields=..., values_list=..., update_fields=..., update_values=..., duplic=DUP_ERROR, ignore=false)
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at sql/sql_insert.cc:1063
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#25 mysql_execute_command (thd=0x7f4698000ce8)
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at sql/sql_parse.cc:4721
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...
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Bug
Major
MDEV-5800 indexes on virtual (not materialized) columns
Content of attached files
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Protocol of RQG run : 7_1.log
Archive (data dir, core, grammars) of RQG run showing the issue: 7_1.tgz
combinations.cc : config file for rqg_batch.pl
Elapsed runtime of rqg_batch.pl till first replay : 89s with 12 RQG runs in parallel
The RQG grammar used is already significant simplified.
rqg_batch.pl with the original grammar (not yet pushed table_stress.yy) replays in a few minutes.
I am currently working on some more simplified grammar.
With some luck I am able to offer some MTR based replay test.
Some replay based on RQG requires my experimental version of RQG.
git clone https://github.com/mleich1/rqg --branch experimental RQG_mleich1