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+gpk6eb14p...@mail.gmail.com Branch ------ master Details ------- https://git.postgresql.org/pg/commitdiff/f6d4c9cf162b70f2837fb6c2a83e80a3f3410695 Modified Files -------------- doc/src/sgml/ref/copy.sgml | 6 +++-- src/backend/commands/copy.c | 12 ++++++---- src/backend/commands/copyfrom.c | 8 +++++-- src/backend/commands/copyto.c | 5 +---- src/backend/parser/gram.y | 8 +++++++ src/include/commands/copy.h | 2 ++ src/test/regress/expected/copy2.out | 44 +++++++++++++++++++++++++++++++++++++ src/test/regress/sql/copy2.sql | 30 +++++++++++++++++++++++++ 8 files changed, 103 insertions(+), 12 deletions(-)
