Error Currval Of Sequence Is Not Yet Defined
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Currval Of Sequence Is Not Yet Defined In This Session
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Postgres Currval Of Sequence Is Not Yet Defined In This Session
up Options to retrieve the current (on a moment of running query) sequence value up vote 16 down vote favorite 3 How is it possible to get the current sequence value in postgresql 8.4? Note: I need the value for the ora-08002 sequence currval is not yet defined in this session some sort of statistics, just retrieve and store. Nothing related to the concurrency and race conditions in case of manually incrementing it isn't relevant to the question. Note 2: The sequence is shared across several tables Note 3: currval won't work because of: Return the value most recently obtained by nextval for this sequence in the current session ERROR: currval of sequence "
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Postgres Currval Example
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Set Sequence Value Postgres
not yet defined in this session From: "Nacef LABIDI"
Previous TicketNext Ticket → Opened 8 years ago Closed 7 years ago Last modified 4 years ago #9302 closed Uncategorized (duplicate) postgresql: currval of sequence is not yet defined in this session: https://code.djangoproject.com/ticket/9302 fix Reported by: bugs@… Owned by: nobody Component: Database layer (models, ORM) Version: master Severity: Normal Keywords: Cc: eallik@… Triage Stage: Unreviewed Has patch: yes Needs documentation: no https://groups.google.com/d/topic/django-users/hXgKugS_nK0 Needs tests: no Patch needs improvement: no Easy pickings: no UI/UX: no Description In postgresql 8.x, SELECT CURRVAL must be called after the sequence is initialized by SELECT NEXTVAL. is not This breaks many things, like syncdb, on clean postgres database. django/db/backends/postgresql/operations.py should be updated to reflect this change. Attachments (1) patch (182 bytes) - added by bugs@… 8 years ago. patch for postgresql operations.py Download all attachments as: .zip Oldest first Newest first Threaded Show comments Show property changes Change History (8) Changed 8 years ago by is not yet bugs@… Attachment: patch added patch for postgresql operations.py comment:1 Changed 8 years ago by Malcolm Tredinnick Needs documentation: unset Needs tests: unset Patch needs improvement: unset How does this problem get triggered in the normal course of operations. A lot of us are using various postgreSQL 8.x versions for lots of situations (including regularly running the tests) and aren't seeing this problem, so it would be nice to understand how it is triggered. Also, in future, please create a patch from the top of the source tree so that it's clear which file is being patched (without having to read the ticket report to see if you've mentioned it there. The patch should be self-contained). comment:2 Changed 8 years ago by marcdm Resolution: → invalid Status: new → closed This patch is actually invalid. The error happens when you try to select the value for the auto-incrementing id of the last item inserted. The probem usually arises when you try schema evolution by dropping some tables, and you don't
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