Commit Graph

5 Commits

Author SHA1 Message Date
Peter Eisentraut 072132f04e Add header matching mode to COPY FROM
COPY FROM supports the HEADER option to silently discard the header
line from a CSV or text file.  It is possible to load by mistake a
file that matches the expected format, for example, if two text
columns have been swapped, resulting in garbage in the database.

This adds a new option value HEADER MATCH that checks the column names
in the header line against the actual column names and errors out if
they do not match.

Author: Rémi Lapeyre <remi.lapeyre@lenstra.fr>
Reviewed-by: Daniel Verite <daniel@manitou-mail.org>
Reviewed-by: Peter Eisentraut <peter.eisentraut@enterprisedb.com>
Discussion: https://www.postgresql.org/message-id/flat/CAF1-J-0PtCWMeLtswwGV2M70U26n4g33gpe1rcKQqe6wVQDrFA@mail.gmail.com
2022-03-30 09:02:31 +02:00
Joe Conway 6198420ad8 Use has_privs_for_roles for predefined role checks
Generally if a role is granted membership to another role with NOINHERIT
they must use SET ROLE to access the privileges of that role, however
with predefined roles the membership and privilege is conflated. Fix that
by replacing is_member_of_role with has_privs_for_role for predefined
roles. Patch does not remove is_member_of_role from acl.h, but it does
add a warning not to use that function for privilege checking. Not
backpatched based on hackers list discussion.

Author: Joshua Brindle
Reviewed-by: Stephen Frost, Nathan Bossart, Joe Conway
Discussion: https://postgr.es/m/flat/CAGB+Vh4Zv_TvKt2tv3QNS6tUM_F_9icmuj0zjywwcgVi4PAhFA@mail.gmail.com
2022-03-28 15:10:04 -04:00
Peter Eisentraut 43f33dc018 Add HEADER support to COPY text format
The COPY CSV format supports the HEADER option to output a header
line.  This patch adds the same option to the default text format.  On
input, the HEADER option causes the first line to be skipped, same as
with CSV.

Author: Rémi Lapeyre <remi.lapeyre@lenstra.fr>
Discussion: https://www.postgresql.org/message-id/flat/CAF1-J-0PtCWMeLtswwGV2M70U26n4g33gpe1rcKQqe6wVQDrFA@mail.gmail.com
2022-01-28 09:44:47 +01:00
Tom Lane dc9c3b0ff2 Remove dynamic translation of regression test scripts, step 2.
"git mv" all the input/*.source and output/*.source files into
the corresponding sql/ and expected/ directories.  Then remove
the pg_regress and Makefile infrastructure associated with
dynamic translation.

Discussion: https://postgr.es/m/1655733.1639871614@sss.pgh.pa.us
2021-12-20 14:15:52 -05:00
Tom Lane 7c5d0ae707 Add contrib/file_fdw foreign-data wrapper for reading files via COPY.
This is both very useful in its own right, and an important test case
for the core FDW support.

This commit includes a small refactoring of copy.c to expose its option
checking code as a separately callable function.  The original patch
submission duplicated hundreds of lines of that code, which seemed pretty
unmaintainable.

Shigeru Hanada, reviewed by Itagaki Takahiro and Tom Lane
2011-02-20 14:06:59 -05:00