[PATCH v2] Allow COPY "text" to output a header and add header matching mode to COPY FROM - Mailing list pgsql-hackers

Here's a rebased version that should apply cleanly on HEAD.

---
 contrib/file_fdw/input/file_fdw.source  |  7 +-
 contrib/file_fdw/output/file_fdw.source | 13 ++--
 doc/src/sgml/ref/copy.sgml              |  9 ++-
 src/backend/commands/copy.c             | 93 ++++++++++++++++++++++---
 src/test/regress/input/copy.source      | 71 ++++++++++++++-----
 src/test/regress/output/copy.source     | 58 ++++++++++-----
 6 files changed, 202 insertions(+), 49 deletions(-)