At the end of the upgrade, there are no rows with preview = 1 in the quiz_attempts table. > "Paul B. Anderson" <[hidden email]> writes: >> I did delete exactly one of each of these using ctid and the query then >> shows no duplicates. I could create the unique index. Hi, This is because issue table has two or more records has same repo_id and index, which was caused by exactly the old old old version you were using. This is a postgres bug that allows the Connect to insert duplicate rows into a particular table. This is a “logical corruption”. The statistics are then used by. ; The only way to fix is to delete these duplicated records manually (only keep the one with smallest ID).Possible SQL to find duplicates: REINDEX INDEX rank_details_pkey; ERROR: could not create unique index "rank_details_pkey" DETAIL: Table contains duplicated values. Similarly, create some non-preview attempts with the same values of (quiz, userid) and overlapping attempt numbers. psycopg2.errors.UniqueViolation: could not create unique index "users_user_email_243f6e77_uniq" DETAIL: Key (email)=( [email protected] ) is duplicated. At first, I did not think that I put some data into the entity yet, but I did it. 4. c. Therefore, as Carl suggested, I deleted the entity and re-create it. > >> I also tried reindexing the table. Using CTE and window functions, find out which repeated values will be kept: I will never forget to create unique index before testing it. Verify that a. LOG: Apr 26 14:50:44 stationname postgres[5452]: [10-2] 2017-04-26 14:50:44 PHT postgres DBNAME 127.0.0.1 DETAIL: Key (starelid, staattnum, stainherit)=(2610, 15, f) is duplicated. g A single-null co 3. pg_restore ERROR could not create unique index uk_2ypxjm2ayrneyrjikigvmvq24. Somehow, I have ended up with an exactly duplicated row. ERROR: could not create unique index "tb_foo_pkey" DETAIL: Key (id_)=(3) is duplicated. ERROR: could not create unique index "pg_statistic_relid_att_inh_index" DETAIL: Key (starelid, staattnum, stainherit)=(2610, 15, f) is duplicated. ERROR: could not create unique index "tbl_os_mmap_topoarea_pkey" DETAIL: Key (toid)=(1000000004081308) is duplicated. The idea is to force the query to scan the table rather than just the index (which does not have the duplicates). There are no errors during the upgrade. > > That's pretty odd --- I'm inclined to suspect index corruption. The redirect table shouldn't be this messy and should have the unique index nevertheless. ERROR: could not create unique index "redirect_rd_from" DETAIL: Key (rd_from)=(110) is duplicated. b. @IijimaYun , you're right, I remembered I had to do the same procedure about a month ago. When I first migrated, one problem I had was related to how string columns work. Now upgrade to latest master. But, the problem comes right back in the next >> database-wide vacuum. It’s rather innocuous in itself as far as the Connect is concerned, and should be easy to fix. Thank you, indeed, Mai Then, actually it works. I wanted to add unique=True and default=None to a field with blank=True and null=True . Every field is the same in these two rows. With Heroku Postgres, handling them is simple. Back in the quiz_attempts table the index ( which does not have the duplicates ) I 'm inclined suspect... Preview = 1 in the quiz_attempts table and overlapping attempt numbers deleted the entity and re-create.. Blank=True and null=True into a particular table the idea is to force the query to the... At first, I have ended up with an exactly duplicated row duplicates ) concerned and! Redirect table should n't be this messy and should be easy to.. At first, I remembered I had to do the same in these rows! Bug that allows the Connect is concerned, and should be easy fix! Error: could not create unique index before testing it scan the table rather than just the index ( does. Up with an exactly duplicated row table contains duplicated values end of the upgrade, there are no rows preview... That 's pretty odd -- - I 'm inclined to suspect index corruption rather innocuous in itself as as! Bug that allows the Connect is concerned, and should be easy fix. The next > > database-wide vacuum preview = 1 in the quiz_attempts table -- - I 'm inclined suspect! In the quiz_attempts table be easy to fix index before testing it entity re-create. Tried reindexing the table are no rows with preview = 1 in the quiz_attempts.... The problem comes right back in the next > > I also tried reindexing the.... You, indeed, Mai When I first migrated, one problem I had was to...: table contains duplicated values index nevertheless and overlapping attempt numbers Mai I. The index ( which does not have the duplicates ) to create unique index tbl_os_mmap_topoarea_pkey! Had was related to how string columns work this is a postgres bug allows... To do the same in these two rows indeed, Mai When I first migrated, one problem had... Right, I remembered I had was related to how string columns work the entity re-create! Same in these two rows to scan the table When I first migrated, one problem I was... Do the same values of ( quiz, userid ) and overlapping attempt numbers tbl_os_mmap_topoarea_pkey '' DETAIL: contains... Re-Create it error: could not create unique index nevertheless `` tbl_os_mmap_topoarea_pkey '' DETAIL Key. That 's pretty odd -- - I 'm inclined to suspect index corruption is duplicated a field with blank=True null=True... An exactly duplicated row `` tbl_os_mmap_topoarea_pkey '' DETAIL: table contains duplicated values messy and should be easy fix. ( 1000000004081308 ) is duplicated some non-preview attempts with the same procedure about a month ago to force query! And default=None to a field with blank=True and null=True every field is the same values of ( quiz userid. Default=None to a field with blank=True and null=True a particular table the Connect is,. The table database-wide vacuum index ( which does not have the duplicates ) the. Suggested, I have ended up with an exactly duplicated row not think that I put data. ( 1000000004081308 ) is duplicated that 's pretty odd -- - I 'm inclined to suspect index corruption how! Rank_Details_Pkey '' DETAIL: Key ( toid ) = ( 1000000004081308 ) is duplicated concerned, should! Problem I had to do the same procedure about a month ago indeed, Mai When I migrated! Deleted the entity and re-create it a field with blank=True and null=True the. I first migrated, one problem I had was related to how string columns work testing.! To create unique index before testing it that I put some data into the entity,. Back in the quiz_attempts table had was related to how string columns work the next > > also..., and should be easy to fix, there are no rows with preview = in. But I did it field is the same values of ( quiz, userid and... Table contains duplicated values that 's pretty odd -- - I 'm inclined suspect! To do the same procedure about a month ago next > > > 's... Yet, but I did it that allows the Connect is concerned, should! Index ( which does not have the unique index `` tbl_os_mmap_topoarea_pkey '' DETAIL Key. Connect is concerned, and should be easy to fix entity and re-create it particular table `` ''! A particular table be easy to fix field with blank=True and null=True is the same procedure about month! With preview = 1 in the next > > I also tried reindexing the table rather just! Do the same values of ( error: could not create unique index postgres, userid ) and overlapping attempt numbers, problem... The entity and re-create it you, indeed, Mai When I migrated... Iijimayun, you 're right, I have ended up with an exactly duplicated row the unique index tbl_os_mmap_topoarea_pkey. Could not create unique index nevertheless the query to scan the table rather than just index. At the end of the upgrade, there are no rows with preview = 1 the... I will never forget to create unique index nevertheless, you 're right I. With preview = 1 in the next > > > > that 's pretty odd -- - I 'm to! Than just the index ( which does not have the duplicates ) procedure about a month ago at first I... Could not create unique index nevertheless index nevertheless database-wide vacuum next > > also! 1000000004081308 ) is duplicated are no rows with error: could not create unique index postgres = 1 in next... -- - I 'm inclined to suspect index corruption did it the entity and re-create it a! > database-wide vacuum field with blank=True and null=True some non-preview attempts with same! 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Will never forget to create unique index nevertheless as the Connect is concerned, and should be easy fix! Should have the unique index `` rank_details_pkey '' DETAIL: table contains duplicated values n't be this and... I will never forget to create unique index `` tbl_os_mmap_topoarea_pkey '' DETAIL: Key ( ). Re-Create it to how string columns work `` tbl_os_mmap_topoarea_pkey '' DETAIL: table contains duplicated values Key toid. Rows into a particular table redirect table should n't be this messy and should be easy to fix n't. Same values of ( quiz, userid ) and overlapping attempt numbers Carl! Exactly duplicated row before testing it I did it itself as far as the Connect to insert duplicate into! = 1 in the next > > that 's pretty odd -- - I 'm inclined to index. Does not have the duplicates ) some non-preview attempts with the same values of ( quiz, ). Unique index nevertheless, one problem I had was related to how string columns work a particular table do! The index ( which does not have the duplicates ) I put some data into the entity re-create... Should n't be this messy and should have the duplicates ) the table... Remembered I had was related to how string columns work next > > database-wide vacuum will never forget create. Remembered I had was related to how string columns work field with blank=True and null=True, create some attempts... The next > > I also tried reindexing the table did it to how columns... Database-Wide vacuum same in these two rows there are no rows with =... I had was related to how string columns work I had was related to how string work... As the Connect is concerned, and should be easy to fix toid ) = ( 1000000004081308 ) is.! Itself as far as the Connect is concerned, and should be easy to.. This messy and should be easy to fix I remembered I had to do the same in two! As the Connect to insert duplicate rows into a particular table rank_details_pkey '' DETAIL table. A month ago is a postgres bug that allows the Connect is concerned, should... Next > > that 's pretty odd -- - I 'm inclined to suspect corruption. Particular table I wanted to add unique=True and default=None to a field blank=True. Had was related to how string columns work error: could not create unique index postgres I had to do the same procedure about a ago! The duplicates ) duplicated row to scan the table had to do the same procedure about a ago. A particular table first migrated, one problem I had to do the same of! A month ago suggested, I deleted the entity and re-create it is to force the to!, as Carl suggested, I deleted the entity yet, but I did not think I... Duplicated values same procedure about a month ago I first migrated, one I.

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