jiangphcn opened a new pull request #1886: Fix partitioned query database header version URL: https://github.com/apache/couchdb/pull/1886 <!-- Thank you for your contribution! Please file this form by replacing the Markdown comments with your text. If a section needs no action - remove it. Also remember, that CouchDB uses the Review-Then-Commit (RTC) model of code collaboration. Positive feedback is represented +1 from committers and negative is a -1. The -1 also means veto, and needs to be addressed to proceed. Once there are no objections, the PR can be merged by a CouchDB committer. See: http://couchdb.apache.org/bylaws.html#decisions for more info. --> ## Overview <!-- Please give a short brief for the pull request, what problem it solves or how it makes things better. --> Allow to upgrade database from version 7 to version 8 which supports the partitioned query. To do so, the database can be downgraded from version 8 to version 7 once there is need to downgrade. Also support to upgrade database from version 6 to version 8 if database is not accessed for long time to skip version 7. ## Testing recommendations <!-- Describe how we can test your changes. Does it provides any behaviour that the end users could notice? --> make check skip_deps+=couch_epi apps=couch tests=upgrade_test_ ``` ======================== EUnit ======================== Upgrade tests Application crypto was left running! couchdb_views_tests:189: should_upgrade_legacy_view_files...[2.895 s] ok [os_mon] cpu supervisor port (cpu_sup): Erlang has closed [done in 2.903 s] Couch Bt Engine Upgrade tests couch_bt_engine_upgrade_tests:66: t_upgrade_without_purge_req...[0.130 s] ok [os_mon] cpu supervisor port (cpu_sup): Erlang has closed couch_bt_engine_upgrade_tests:66: t_upgrade_without_purge_req...[0.132 s] ok [os_mon] cpu supervisor port (cpu_sup): Erlang has closed couch_bt_engine_upgrade_tests:106: t_upgrade_with_1_purge_req...[0.151 s] ok [os_mon] cpu supervisor port (cpu_sup): Erlang has closed couch_bt_engine_upgrade_tests:106: t_upgrade_with_1_purge_req...[0.136 s] ok [os_mon] cpu supervisor port (cpu_sup): Erlang has closed couch_bt_engine_upgrade_tests:147: t_upgrade_with_N_purge_req...[0.147 s] ok [os_mon] cpu supervisor port (cpu_sup): Erlang has closed couch_bt_engine_upgrade_tests:147: t_upgrade_with_N_purge_req...[0.138 s] ok [os_mon] cpu supervisor port (cpu_sup): Erlang has closed couch_bt_engine_upgrade_tests:186: t_upgrade_with_1_purge_req_for_2_docs...[0.143 s] ok [os_mon] cpu supervisor port (cpu_sup): Erlang has closed couch_bt_engine_upgrade_tests:186: t_upgrade_with_1_purge_req_for_2_docs...[0.129 s] ok [os_mon] cpu supervisor port (cpu_sup): Erlang has closed [done in 3.737 s] ======================================================= All 9 tests passed. ==> rel (eunit) ==> db (eunit) ``` ## Related Issues or Pull Requests <!-- If your changes affects multiple components in different repositories please put links to those issues or pull requests here. --> https://github.com/apache/couchdb/pull/1789 ## Checklist - [X] Code is written and works correctly; - [X] Changes are covered by tests; - [ ] Documentation reflects the changes;
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