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deadlock


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При добавлении сообщения вылетело сообщение о дидлоке.
Если будет интересно и принесёт пользу, то вот оно.
Событие было разумеется разовым.

PreparedStatementCallback; SQL [INSERT INTO comments (id, userid, title, postdate, replyto, deleted, topic, postip, ua_id) VALUES (?, ?, ?, CURRENT_TIMESTAMP, ?, 'f', ?, ?::inet, create_user_agent(?))]; ERROR: deadlock detected Detail: Process 2569796 waits for ShareLock on transaction 4281036; blocked by process 2569843. Process 2569843 waits for ExclusiveLock on tuple (8679,70) of relation 187714 of database 16402; blocked by process 2569796. Hint: See server log for query details. Where: SQL statement «SELECT groupid FROM topics WHERE topics.id = NEW.topic FOR UPDATE» PL/pgSQL function «comins» line 4 at SQL statement; nested exception is org.postgresql.util.PSQLException: ERROR: deadlock detected Detail: Process 2569796 waits for ShareLock on transaction 4281036; blocked by process 2569843. Process 2569843 waits for ExclusiveLock on tuple (8679,70) of relation 187714 of database 16402; blocked by process 2569796. Hint: See server log for query details. Where: SQL statement «SELECT groupid FROM topics WHERE topics.id = NEW.topic FOR UPDATE» PL/pgSQL function «comins» line 4 at SQL statement

★★★★★

Что-то мне сегодня везёт.

PreparedStatementCallback; SQL [SELECT postdate, topics.id as msgid, userid, topics.title, topics.groupid as guid, topics.url, topics.linktext, ua_id, urlname, havelink, section, topics.sticky, topics.postip, postdate<(CURRENT_TIMESTAMP-sections.expire) as expired, deleted, lastmod, commitby, commitdate, topics.stat1, postscore, topics.moderate, notop, topics.resolved, restrict_comments, minor FROM topics INNER JOIN groups ON (groups.id=topics.groupid) INNER JOIN sections ON (sections.id=groups.section) WHERE topics.id=?]; This connection has been closed.; nested exception is org.postgresql.util.PSQLException: This connection has been closed.

imul ★★★★★ ()
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