Slide 11
Slide 11 text
σʔλ͕ແ͍ͷͰ*OTFSU͕ͦΕͧΕ࣮ߦ͞Ε
%FBE-PDLൃੜ
1)Tx1:ͰInsert
mysql> INSERT INTO user_table (PROJECT_CODE,CUSTOMER_ID,COMMENT)
VALUES (100,100015,'fuga');
Tx2ͷϩοΫͪ
2)Tx2:ͰInsert
mysql> INSERT INTO user_table (PROJECT_CODE,CUSTOMER_ID,COMMENT)
VALUES (100,100015,'fuga');
Tx1ͷϩοΫͪͰσουϩοΫ
ERROR 1213 (40001): Deadlock found when trying to get lock; try
restarting transaction
3)Tx2ϩʔϧόοΫ͞ΕTx1ͷINSERT࣮ߦ͞ΕΔɻ
Query OK, 1 row affected (17.22 sec)