[postgis-users] restore problem

[Darrel Maddy]

The default appears to be custom. I did not change anything when I did this. I just accepted the defaults.

Darrel

From: postgis-users [mailto:postgis-users-bounces at lists.osgeo.org] On Behalf Of Bborie Park
Sent: 10 November 2015 22:20
To: PostGIS Users Discussion <postgis-users at lists.osgeo.org>
Subject: Re: [postgis-users] restore problem

Odd. Looking at your error message again, it looks like the constraint is already in place by the time the data is getting loaded...

What are you restoring from? Tar, custom or text?

On Tue, Nov 10, 2015 at 2:16 PM, Darrel Maddy <darrel.maddy at newcastle.ac.uk<mailto:darrel.maddy at newcastle.ac.uk>> wrote:
Dear Bborie,

Apologies, I was obviously not clear – I was not asking about the problem itself, I can accept this is a difficult problem to resolve. I was simply asking for instruction on how to use your work around. This you kindly provided. Alas, however, even with the boxes checked, I get the same error and the raster table (dems) is empty.

Darrel

From: postgis-users [mailto:postgis-users-bounces at lists.osgeo.org<mailto:postgis-users-bounces at lists.osgeo.org>] On Behalf Of Bborie Park
Sent: 10 November 2015 21:57

To: PostGIS Users Discussion <postgis-users at lists.osgeo.org<mailto:postgis-users at lists.osgeo.org>>
Subject: Re: [postgis-users] restore problem

Given that the core problem has to do with the restore process' search_path, no amount of advice will help you get around the restrictions in place with the restore process without jumping into that process.

In pgAdmin, you can check the boxes "Pre-data" and "Data" of the "Restore Options #1" tab. This won't restore the post-data portion of the backup as restoring post-data should be causing your error.

You could also try unchecking the box "Exit On Error" of the "Restore Options #2" tab.

-bborie

On Tue, Nov 10, 2015 at 1:29 PM, Darrel Maddy <darrel.maddy at newcastle.ac.uk<mailto:darrel.maddy at newcastle.ac.uk>> wrote:
Dear Bborie,

Yikes – that makes little sense to me.  I am new to both postgres and postgis and would have hoped that backup and restore would have been simple push-button exercise!

As I am using PgAdmin I have no idea how to follow your instructions ☹

Anyone care to give me an idiots guide?

Sorry

Darrel


From: postgis-users [mailto:postgis-users-bounces at lists.osgeo.org<mailto:postgis-users-bounces at lists.osgeo.org>] On Behalf Of Bborie Park
Sent: 10 November 2015 21:22
To: PostGIS Users Discussion <postgis-users at lists.osgeo.org<mailto:postgis-users at lists.osgeo.org>>
Subject: Re: [postgis-users] restore problem

This problem arises because PostgreSQL sets the search path during the restore process. Unfortunately, the search path is quite restrictive.

You should be able to do your restore in three sections using pg_restore's --section flag.

The error looks like it has to be the post-data section, which you should output to a text file, change the "SET search_path" statements and then run through psql.

-bborie

On Tue, Nov 10, 2015 at 1:11 PM, Darrel Maddy <darrel.maddy at newcastle.ac.uk<mailto:darrel.maddy at newcastle.ac.uk>> wrote:
Dear all,

Like many here I suspect I want to keep a copy of my main databases held on my workstation, on my laptop. I used PgAdmin to backup the databases concerned (the backup files look about the size I was expecting)  but restore on my laptop did not successfully complete.  All my shp file tables restored without issues but my raster tables (these are tiled rasters) would not. Looking at the error in the restore window of PgAdmin this appears to be a problem with a function/constraint.

pg_restore: processing data for table "dems"
pg_restore: [archiver (db)] Error while PROCESSING TOC:
pg_restore: [archiver (db)] Error from TOC entry 3459; 0 94054 TABLE DATA dems postgres
pg_restore: [archiver (db)] COPY failed for table "dems": ERROR:  function st_bandmetadata(public.raster, integer[]) does not exist
LINE 1:  SELECT array_agg(pixeltype)::text[] FROM st_bandmetadata($1...
                                                  ^
HINT:  No function matches the given name and argument types. You might need to add explicit type casts.
QUERY:   SELECT array_agg(pixeltype)::text[] FROM st_bandmetadata($1, ARRAY[]::int[]);
CONTEXT:  SQL function "_raster_constraint_pixel_types" during inlining
COPY dems, line 1: "1              0100000100000000000000344000000000000034C0E0CCCCCCB1D517418066666692F80C41000000000000000000000000..."


I did a quick search and found some old chatter on this issue but from the messages I read I would have expected this issue to have been cleared up in postgis 2 .

Obviously I cannot contemplate having mission critical data in a database which does not backup/restore correctly so I am assuming there is a fix which avoids this issue or there is another way to make a copy of the database for transfer elsewhere?

Once again any help would be gratefully received.

Best wishes

Darrel

ps.   Apologies for the string of questions I have asked lately – I will go silent once more shortly as I must move on to other things.

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