Fix for retrieving column metadata for Postgres < 10#6438
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roji merged 1 commit intonpgsql:mainfrom Feb 7, 2026
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@roji, Should I create a pull request to the 9 and 10 version branches? |
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Backported to 10.0.2 via ea5c131 |
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I maintain a system that runs Greenplum 6 (PG 9).
After changing 450f900 , retrieving metadata returns the following error:

In this case the following SQL is generated:

I checked that the information_schema.columns attribute in postgres 9 can be updated without the attribute identity.
After the change, retrieving metadata works correctly.
This error is repeated in versions 9 and 10.