Question

我们有一个在版本9.6.1上运行的heroku postgres数据库

将我们的pghero安装升级到最新版本2.0.2时，我们发现pghero无法在pg_stat_statements表中找到queryid列的失败。

已安装pg_stat_statements扩展程序。

2017-08-10T09:54:44.002042+00:00 app[web.1]: Completed 500 Internal Server Error in 274ms (ActiveRecord: 186.1ms)
2017-08-10T09:54:44.004012+00:00 app[web.1]:   
2017-08-10T09:54:44.004048+00:00 app[web.1]: ActiveRecord::StatementInvalid (PG::UndefinedColumn: ERROR:  column "queryid" does not exist
2017-08-10T09:54:44.004050+00:00 app[web.1]: LINE 1: ...ry_stats AS ( SELECT LEFT(query, 10000) AS query, queryid AS...
2017-08-10T09:54:44.004051+00:00 app[web.1]:                                                              ^
2017-08-10T09:54:44.004052+00:00 app[web.1]: HINT:  Perhaps you meant to reference the column "pg_stat_statements.query".
2017-08-10T09:54:44.004055+00:00 app[web.1]: : WITH query_stats AS ( SELECT LEFT(query, 10000) AS query, queryid AS query_hash, rolname AS user, (total_time / 1000 / 60) AS total_minutes, (total_time / calls) AS average_time, calls FROM pg_stat_statements INNER JOIN pg_database ON pg_database.oid = pg_stat_statements.dbid INNER JOIN pg_roles ON pg_roles.oid = pg_stat_statements.userid WHERE pg_database.datname = current_database() ) SELECT query, query_hash, query_stats.user, total_minutes, average_time, calls, total_minutes * 100.0 / (SELECT SUM(total_minutes) FROM query_stats) AS total_percent, (SELECT SUM(total_minutes) FROM query_stats) AS all_queries_total_minutes FROM query_stats ORDER BY "total_minutes" DESC LIMIT 100):

Answer 1

事实证明，升级heroku上的postgres版本并不一定会更新最新版本的扩展。

运行

更新扩展程序

ALTER EXTENSION pg_stat_statements UPDATE;

修复了问题。

pg_stat_statements表中缺少queryid列

1 个答案: