Details
-
Bug
-
Status: Closed (View Workflow)
-
Major
-
Resolution: Duplicate
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None
-
None
Description
One Libre.Chat, "Albright" got a crash on this query on MariaDB 10.3.31
WITH cte AS (
SELECT
DENSE_RANK() OVER (ORDER BY thread DESC) AS order_rank,
DENSE_RANK() OVER (PARTITION BY thread ORDER BY c.id ASC) AS thread_rank,
c.id,
c.parent,
IF(c.parent = 0, c.id, c.parent) AS thread,
c.user_id,
c.created,
CONVERT_TZ(c.created, @@session.time_zone, "+00:00") AS created_utc,
COALESCE(un.username, un.user_id) AS username,
COALESCE(un.username_slug, un.user_id) AS username_slug,
un.profile_pic,
IF(si.user_id IS NULL, 0, 1) AS is_staff,
IF(sn.sub_id IS NULL, 0, 1) AS is_subscriber,
– SUM() returns NULL instead of zero when there are no values
– (votes) to sum
COALESCE(SUM(cv.value), 0) AS score,
IF(c.parent = 0, COALESCE(SUM(cv.value), 0), -2147483648) AS thread_score,
– We have to put this DENSE_RANK() here. If we put it up top with the
– others, MariaDB 10.3 crashes. Maybe it's because we need to have it
– after the field it uses.
DENSE_RANK() OVER(ORDER BY thread_score DESC, thread DESC) AS score_rank,
COALESCE(c2.count, 0) AS user_comment_count,
COALESCE(c3.count, 0) AS reply_count,
cv2.value AS user_score,
br.html
FROM comment c
INNER JOIN users_new un ON c.user_id = un.user_id
INNER JOIN body_revision br USING (body_revision_id)
LEFT JOIN (
SELECT user_id, count AS count
FROM comment c2
WHERE c2.status = 1
GROUP BY user_id
) AS c2 ON c.user_id = c2.user_id
LEFT JOIN (
SELECT parent, count AS count
FROM comment c3
WHERE c3.status = 1
GROUP BY parent
) AS c3 ON c3.parent = c.id
LEFT JOIN staff_info si ON si.user_id = un.user_id
LEFT JOIN subscriptions_new sn ON c.user_id = sn.user_id AND sn.status = 1
LEFT JOIN comment_vote cv ON c.id = cv.id
LEFT JOIN comment_vote cv2 ON cv2.id = c.id AND cv2.user_id = '108509'
WHERE c.entity_type = 5
AND c.entity_id = '22415'
AND c.status = 1
GROUP BY c.id
ORDER BY created DESC
)
SELECT * FROM cte WHERE (order_rank <= 5 OR score_rank <= 5) AND thread_rank <= 6
Here is the stack trace:
0 libsystem_platform.dylib 0x000000018a4e9c44 _sigtramp + 56
0 mysqld 0x00000001024a2a94 ZL19compare_order_listsP10SQL_I_ListI8st_orderES2 + 260
0 mysqld 0x000000010249f944 _ZN24Window_funcs_computation5setupEP3THDP4ListI16Item_window_funcEP13st_join_table + 316
0 mysqld 0x00000001023a0afc _ZN4JOIN21make_aggr_tables_infoEv + 2948
0 mysqld 0x000000010239a374 _ZN4JOIN15optimize_stage2Ev + 10340
0 mysqld 0x000000010239b50c _ZN4JOIN14optimize_innerEv + 2044
0 mysqld 0x0000000102397acc _ZN4JOIN8optimizeEv + 76
0 mysqld 0x0000000102342b8c _Z22mysql_derived_optimizeP3THDP3LEXP10TABLE_LIST + 264
0 mysqld 0x00000001023437e8 _Z27mysql_handle_single_derivedP3LEXP10TABLE_LISTj + 168
0 mysqld 0x000000010239b4b4 _ZN4JOIN14optimize_innerEv + 1956
0 mysqld 0x0000000102397acc _ZN4JOIN8optimizeEv + 76
0 mysqld 0x00000001023949a4 _Z12mysql_selectP3THDP10TABLE_LISTjR4ListI4ItemEPS4_jP8st_orderS9_S7_S9_yP13select_resultP18st_select_lex_unitP13st_select_lex + 100
0 mysqld 0x00000001023948d4 _Z13handle_selectP3THDP3LEXP13select_resultm + 332
0 mysqld 0x0000000102371fa8 _ZL21execute_sqlcom_selectP3THDP10TABLE_LIST + 952
0 mysqld 0x000000010236c8d4 _Z21mysql_execute_commandP3THD + 1860
0 mysqld 0x000000010236a4e4 _Z11mysql_parseP3THDPcjP12Parser_statebb + 436
0 mysqld 0x00000001023679ac _Z16dispatch_command19enum_server_commandP3THDPcjbb + 2208
0 mysqld 0x00000001023690ec _Z10do_commandP3THD + 292
0 mysqld 0x00000001024332a8 _Z24do_handle_one_connectionP7CONNECT + 444
0 mysqld 0x00000001024330d8 handle_one_connection + 68
0 libsystem_pthread.dylib 0x000000018a49efd4 _pthread_start + 320
0 libsystem_pthread.dylib 0x000000018a499d3c thread_start + 8
Attachments
Issue Links
- relates to
-
MDEV-19398 Assertion `item1->type() == Item::FIELD_ITEM && item2->type() == Item::FIELD_ITEM' failed in compare_order_elements
- Closed