我们有 MySQL 5.7，经常因死锁情况而出现错误。最常见的出错查询涉及不同行集上的 Select 事务和不同行的 Update 操作，两者都在同一个表上。 两个操作都在不同的行上运行（由布尔列上的过滤器标记 - 第 6 列）
否则，两项交易都会在几秒钟内完成。鉴于两个查询的基础行不同，我无法理解如何处理这种死锁情况。
任何指导都将有助于进一步理解这一点。预先感谢！
*** (1) TRANSACTION:
TRANSACTION 83925587920, ACTIVE 10 sec fetching rows
mysql tables in use 3, locked 3
LOCK WAIT 76 lock struct(s), heap size 1136, 152 row lock(s)
MySQL thread id 187166, OS thread handle 22897097680640, query id 1221507613 <ip> <user> updating
**UPDATE table1 SET column1=UTC_TIMESTAMP(), column2='KC_AUTO', column3 = 'some random value' WHERE column3 = 'xx' AND column4 = 'xx' AND column5 = 'xx' and column6 = 0**
*** (1) WAITING FOR THIS LOCK TO BE GRANTED:
RECORD LOCKS space id 10942366 page no 1465547 n bits 0 index PRIMARY of table table1 trx id 83925587920 lock_mode X locks rec but not gap waiting
Record lock, heap no 21 PHYSICAL RECORD: n_fields 27; compact format; info bits 0
0: len=30; bufptr=0x14c1a2eeed6c; hex= 36383266646332392d383532332d313165662d396163342d306136616632; asc 682fdc29-8523-11ef-9ac4-0a6af2; (total 36 bytes);
1: len=6; bufptr=0x14c1a2eeed90; hex= 00138821e22f; asc ! /;;
2: len=7; bufptr=0x14c1a2eeed96; hex= 5a003880050ae0; asc Z 8 ;;
3: len=30; bufptr=0x14c1a2eeed9d; hex= 62626239656130312d653237312d343665622d393966302d373534633637; asc bbb9ea01-e271-46eb-99f0-754c67; (total 36 bytes);
4: len=30; bufptr=0x14c1a2eeedc1; hex= 30613638376536312d353632662d346238382d396535622d303630383164; asc 0a687e61-562f-4b88-9e5b-06081d; (total 36 bytes);
5: len=30; bufptr=0x14c1a2eeede5; hex= 65303733353932362d333465652d346131322d623031352d623632336534; asc e0735926-34ee-4a12-b015-b623e4; (total 36 bytes);
6: len=30; bufptr=0x14c1a2eeee09; hex= 39396431383632372d336131372d346336372d386333312d303961396662; asc 99d18627-3a17-4c67-8c31-09a9fb; (total 36 bytes);
7: len=30; bufptr=0x14c1a2eeee2d; hex= 34383365633731362d616633662d346162632d626231322d353030623362; asc 483ec716-af3f-4abc-bb12-500b3b; (total 36 bytes);
8: len=30; bufptr=0x14c1a2eeee51; hex= 36383239326664392d383532332d313165662d396163342d306136616632; asc 68292fd9-8523-11ef-9ac4-0a6af2; (total 36 bytes);
9: len=30; bufptr=0x14c1a2eeee75; hex= 30323363303932362d333163312d343864612d393934352d363464363137; asc 023c0926-31c1-48da-9945-64d617; (total 36 bytes);
10: len=30; bufptr=0x14c1a2eeee99; hex= 62363333393138342d343739342d346631372d386334632d616337316139; asc b6339184-4794-4f17-8c4c-ac71a9; (total 36 bytes);
11: len=30; bufptr=0x14c1a2eeeebd; hex= 30303030303030302d303030302d303030302d303030302d303030303030; asc 00000000-0000-0000-0000-000000; (total 36 bytes);
12: SQL NULL;
13: SQL NULL;
14: SQL NULL;
15: SQL NULL;
16: SQL NULL;
17: len=1; bufptr=0x14c1a2eeeee1; hex= 00; asc ;;
18: len=4; bufptr=0x14c1a2eeeee2; hex= 80000007; asc ;;
19: len=4; bufptr=0x14c1a2eeeee6; hex= 80000002; asc ;;
20: len=4; bufptr=0x14c1a2eeeeea; hex= 7ffffffe; asc ;;
21: len=30; bufptr=0x14c1a2eeeeee; hex= 64663930633339342d393737652d343565352d623030362d333166633435; asc df90c394-977e-45e5-b006-31fc45; (total 36 bytes);
22: len=5; bufptr=0x14c1a2eeef12; hex= 99b4903393; asc 3 ;;
23: len=30; bufptr=0x14c1a2eeef17; hex= 62626239656130312d653237312d343665622d393966302d373534633637; asc bbb9ea01-e271-46eb-99f0-754c67; (total 36 bytes);
24: len=5; bufptr=0x14c1a2eeef3b; hex= 99b490370c; asc 7 ;;
25: len=30; bufptr=0x14c1a2eeef40; hex= 706c616e6b746f6e2d706970656c696e652f70726f642f31363930353638; asc plankton-pipeline/prod/1690568; (total 827 bytes);
26: len=1; bufptr=0x14c1a2eef27b; hex= 00; asc ;;
*** (2) TRANSACTION:
TRANSACTION 83925585187, ACTIVE 59 sec starting index read
mysql tables in use 3, locked 3
LOCK WAIT 1016142 lock struct(s), heap size 1136, 3187291 row lock(s)
MySQL thread id 187097, OS thread handle 22860576274176, query id 1221445775 10.5.20.17 practicedbuser Sending data
**CREATE TEMPORARY TABLE t_ss (SELECT distinct column0 FROM table1 SS
JOIN table2 sa on SS.column3=sa.column3 and sa.column7=SS.column7 and SS.column4 = sa.column4
where sa.column1>=(upToDateTime - INTERVAL 3 DAY) AND column10 is not null
and SS.column6 = 1 limit RecordsLimit)**
*** (2) HOLDS THE LOCK(S):
RECORD LOCKS space id 10942366 page no 1465547 n bits 0 index PRIMARY of table table1 trx id 83925585187 lock mode S locks rec but not gap
Record lock, heap no 21 PHYSICAL RECORD: n_fields 27; compact format; info bits 0
0: len=30; bufptr=0x14c1a2eeed6c; hex= 36383266646332392d383532332d313165662d396163342d306136616632; asc 682fdc29-8523-11ef-9ac4-0a6af2; (total 36 bytes);
1: len=6; bufptr=0x14c1a2eeed90; hex= 00138821e22f; asc ! /;;
2: len=7; bufptr=0x14c1a2eeed96; hex= 5a003880050ae0; asc Z 8 ;;
3: len=30; bufptr=0x14c1a2eeed9d; hex= 62626239656130312d653237312d343665622d393966302d373534633637; asc bbb9ea01-e271-46eb-99f0-754c67; (total 36 bytes);
4: len=30; bufptr=0x14c1a2eeedc1; hex= 30613638376536312d353632662d346238382d396535622d303630383164; asc 0a687e61-562f-4b88-9e5b-06081d; (total 36 bytes);
5: len=30; bufptr=0x14c1a2eeede5; hex= 65303733353932362d333465652d346131322d623031352d623632336534; asc e0735926-34ee-4a12-b015-b623e4; (total 36 bytes);
6: len=30; bufptr=0x14c1a2eeee09; hex= 39396431383632372d336131372d346336372d386333312d303961396662; asc 99d18627-3a17-4c67-8c31-09a9fb; (total 36 bytes);
7: len=30; bufptr=0x14c1a2eeee2d; hex= 34383365633731362d616633662d346162632d626231322d353030623362; asc 483ec716-af3f-4abc-bb12-500b3b; (total 36 bytes);
8: len=30; bufptr=0x14c1a2eeee51; hex= 36383239326664392d383532332d313165662d396163342d306136616632; asc 68292fd9-8523-11ef-9ac4-0a6af2; (total 36 bytes);
9: len=30; bufptr=0x14c1a2eeee75; hex= 30323363303932362d333163312d343864612d393934352d363464363137; asc 023c0926-31c1-48da-9945-64d617; (total 36 bytes);
10: len=30; bufptr=0x14c1a2eeee99; hex= 62363333393138342d343739342d346631372d386334632d616337316139; asc b6339184-4794-4f17-8c4c-ac71a9; (total 36 bytes);
11: len=30; bufptr=0x14c1a2eeeebd; hex= 30303030303030302d303030302d303030302d303030302d303030303030; asc 00000000-0000-0000-0000-000000; (total 36 bytes);
12: SQL NULL;
13: SQL NULL;
14: SQL NULL;
15: SQL NULL;
16: SQL NULL;
17: len=1; bufptr=0x14c1a2eeeee1; hex= 00; asc ;;
18: len=4; bufptr=0x14c1a2eeeee2; hex= 80000007; asc ;;
19: len=4; bufptr=0x14c1a2eeeee6; hex= 80000002; asc ;;
20: len=4; bufptr=0x14c1a2eeeeea; hex= 7ffffffe; asc ;;
21: len=30; bufptr=0x14c1a2eeeeee; hex= 64663930633339342d393737652d343565352d623030362d333166633435; asc df90c394-977e-45e5-b006-31fc45; (total 36 bytes);
22: len=5; bufptr=0x14c1a2eeef12; hex= 99b4903393; asc 3 ;;
23: len=30; bufptr=0x14c1a2eeef17; hex= 62626239656130312d653237312d343665622d393966302d373534633637; asc bbb9ea01-e271-46eb-99f0-754c67; (total 36 bytes);
24: len=5; bufptr=0x14c1a2eeef3b; hex= 99b490370c; asc 7 ;;
25: len=30; bufptr=0x14c1a2eeef40; hex= 706c616e6b746f6e2d706970656c696e652f70726f642f31363930353638; asc plankton-pipeline/prod/1690568; (total 827 bytes);
26: len=1; bufptr=0x14c1a2eef27b; hex= 00; asc ;;
*** (2) WAITING FOR THIS LOCK TO BE GRANTED:
RECORD LOCKS space id 10942366 page no 2330368 n bits 0 index PRIMARY of table table1 trx id 83925585187 lock mode S locks rec but not gap waiting
Record lock, heap no 19 PHYSICAL RECORD: n_fields 27; compact format; info bits 0
0: len=30; bufptr=0x14b4822eeceb; hex= 32323562306663332d376332612d313165662d613032632d306563373037; asc 225b0fc3-7c2a-11ef-a02c-0ec707; (total 36 bytes);
1: len=6; bufptr=0x14b4822eed0f; hex= 0013895adf92; asc Z ;;
2: len=7; bufptr=0x14b4822eed15; hex= 7c00115c192c01; asc | \ , ;;
3: len=30; bufptr=0x14b4822eed1c; hex= 33636537393362382d316435662d343433362d393730652d613331366531; asc 3ce793b8-1d5f-4436-970e-a316e1; (total 36 bytes);
4: len=30; bufptr=0x14b4822eed40; hex= 37626166353264362d646639662d343333382d623864652d303830633066; asc 7baf52d6-df9f-4338-b8de-080c0f; (total 36 bytes);
5: len=30; bufptr=0x14b4822eed64; hex= 65303733353932362d333465652d346131322d623031352d623632336534; asc e0735926-34ee-4a12-b015-b623e4; (total 36 bytes);
6: len=30; bufptr=0x14b4822eed88; hex= 36343834666537642d326331352d346532632d383734642d376638393162; asc 6484fe7d-2c15-4e2c-874d-7f891b; (total 36 bytes);
7: len=30; bufptr=0x14b4822eedac; hex= 62373430336535302d383161312d343134312d393262332d343730383763; asc b7403e50-81a1-4141-92b3-47087c; (total 36 bytes);
8: len=30; bufptr=0x14b4822eedd0; hex= 63623630393566382d373963642d313165662d613032632d306563373037; asc cb6095f8-79cd-11ef-a02c-0ec707; (total 36 bytes);
9: len=30; bufptr=0x14b4822eedf4; hex= 39353435393538662d323462312d346134642d626330662d356164393937; asc 9545958f-24b1-4a4d-bc0f-5ad997; (total 36 bytes);
10: len=30; bufptr=0x14b4822eee18; hex= 63646465393031302d396330312d343632612d393230322d303066613030; asc cdde9010-9c01-462a-9202-00fa00; (total 36 bytes);
11: len=30; bufptr=0x14b4822eee3c; hex= 63616665643530642d383637632d343264612d383134392d336533306266; asc cafed50d-867c-42da-8149-3e30bf; (total 36 bytes);
12: len=30; bufptr=0x14b4822eee60; hex= 64396435363332352d356434322d346237322d613864302d633235636232; asc d9d56325-5d42-4b72-a8d0-c25cb2; (total 36 bytes);
13: len=4; bufptr=0x14b4822eee84; hex= 800a2f3a; asc /:;;
14: SQL NULL;
15: len=4; bufptr=0x14b4822eee88; hex= 800a2f3a; asc /:;;
16: SQL NULL;
17: len=1; bufptr=0x14b4822eee8c; hex= 00; asc ;;
18: len=4; bufptr=0x14b4822eee8d; hex= 80000002; asc ;;
19: len=4; bufptr=0x14b4822eee91; hex= 80000000; asc ;;
20: len=4; bufptr=0x14b4822eee95; hex= 80000002; asc ;;
21: len=30; bufptr=0x14b4822eee99; hex= 30366136313739302d383730612d346134322d623030342d363833653963; asc 06a61790-870a-4a42-b004-683e9c; (total 36 bytes);
22: len=5; bufptr=0x14b4822eeebd; hex= 99b475126f; asc u o;;
23: len=30; bufptr=0x14b4822eeec2; hex= 33636537393362382d316435662d343433362d393730652d613331366531; asc 3ce793b8-1d5f-4436-970e-a316e1; (total 36 bytes);
24: len=5; bufptr=0x14b4822eeee6; hex= 99b491132e; asc .;;
25: len=30; bufptr=0x14b4822eeeeb; hex= 544f55475a463034303830343434382c312c307c574a5a594e4937383633; asc TOUGZF040804448,1,0|WJZYNI7863; (total 39 bytes);
26: len=1; bufptr=0x14b4822eef12; hex= 00; asc ;;
*** WE ROLL BACK TRANSACTION (1)
调整了查询，以便花费更少的时间，但即使这样也没有帮助。
这些可能会加快查询速度，从而最大限度地减少死锁数量（在 5.7 或任何其他版本中）。
table1: INDEX(column6, column5, column4, column3)
SS: INDEX(column6)
sa: INDEX(column3, column7, column4)
upToDateTimecolumn10