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Provide FORCE_NULL * and FORCE_NOT_NULL * options for COPY FROM

author Andrew Dunstan <andrew@dunslane.net>

2023年9月30日 16:34:41 +0000 (12:34 -0400)

committer Andrew Dunstan <andrew@dunslane.net>

2023年9月30日 16:34:41 +0000 (12:34 -0400)

commit f6d4c9cf162b70f2837fb6c2a83e80a3f3410695

tree 23d62216e9b51f67ea5aff1bad95f5434b2bcd1c tree

parent c181f2e2bcecc2704c6461a0543894a38d7143df commit | diff

Provide FORCE_NULL * and FORCE_NOT_NULL * options for COPY FROM

These options already exist, but you need to specify a column list for
them, which can be cumbersome. We already have the possibility of all
columns for FORCE QUOTE, so this is simply extending that facility to
FORCE_NULL and FORCE_NOT_NULL.

Author: Zhang Mingli
Reviewed-By: Richard Guo, Kyatoro Horiguchi, Michael Paquier.
Discussion: https://postgr.es/m/CACJufxEnVqzOFtqhexF2+AwOKFrV8zHOY3y=p+gPK6eB14pn_w@mail.gmail.com

doc/src/sgml/ref/copy.sgml diff | blob | blame | history

src/backend/commands/copy.c diff | blob | blame | history

src/backend/commands/copyfrom.c diff | blob | blame | history

src/backend/commands/copyto.c diff | blob | blame | history

src/backend/parser/gram.y diff | blob | blame | history

src/include/commands/copy.h diff | blob | blame | history

src/test/regress/expected/copy2.out diff | blob | blame | history

src/test/regress/sql/copy2.sql diff | blob | blame | history

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