pgsql: Disallow generated columns in COPY WHERE clause

Started by Peter Eisentraut8 months ago1 messagescomitters

peter_e@gmx.net

8 months ago

Disallow generated columns in COPY WHERE clause

Stored generated columns are not yet computed when the filtering
happens, so we need to prohibit them to avoid incorrect behavior.

Co-authored-by: jian he <jian.universality@gmail.com>
Reviewed-by: Kirill Reshke <reshkekirill@gmail.com>
Reviewed-by: Masahiko Sawada <sawada.mshk@gmail.com>
Discussion: /messages/by-id/CACJufxHb8YPQ095R_pYDr77W9XKNaXg5Rzy-WP525mkq+hRM3g@mail.gmail.com

Branch
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REL_13_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/3717849e622d6d38be8f021cf230903d70926d5a

Modified Files
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src/backend/commands/copy.c | 37 +++++++++++++++++++++++++++++++++
src/test/regress/expected/generated.out | 6 ++++++
src/test/regress/sql/generated.sql | 4 ++++
3 files changed, 47 insertions(+)