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| author | David Rowley <drowley@postgresql.org> | 2022-06-01 12:47:27 +1200 |
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| committer | David Rowley <drowley@postgresql.org> | 2022-06-01 12:47:27 +1200 |
| commit | 9ae467db92ce8e26b0c3d37f79926f0174b70864 (patch) | |
| tree | 2048b70ae8ee4cbbcb12472cd259086c765b78bc /src/backend/tcop/postgres.c | |
| parent | a3faebd6a58aaff0d6521428831041d517db62fe (diff) | |
| download | postgresql-9ae467db92ce8e26b0c3d37f79926f0174b70864.tar.gz postgresql-9ae467db92ce8e26b0c3d37f79926f0174b70864.zip | |
Doc: mention limitation of the number of resultset columns
The PostgreSQL limitations section of the documents mentioned the limit
on the number of columns that can exist in a table. Users might be
surprised to find that there's also a limit on the number of columns that
can exist in a targetlist. Users may experience restrictions which
surprise them if they happened to select a large number of columns from
several tables with many columns. Here we document that there is a
limitation on this and mention what that limit actually is.
Wording proposal by Alvaro Herrera
Reported-by: Vladimir Sitnikov
Author: Dave Crammer
Reviewed-by: Tom Lane
Discussion: https://postgr.es/m/CAB=Je-E18aTYpNqje4mT0iEADpeGLSzwUvo3H9kRRuDdsNo4aQ@mail.gmail.com
Backpatch-through: 12, where the limitations section was added
Diffstat (limited to 'src/backend/tcop/postgres.c')
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