Tom Lane a36088bcfa Skip text->binary conversion of unnecessary columns in contrib/file_fdw. ... When reading from a text- or CSV-format file in file_fdw, the datatype input routines can consume a significant fraction of the runtime. Often, the query does not need all the columns, so we can get a useful speed boost by skipping I/O conversion for unnecessary columns. To support this, add a "convert_selectively" option to the core COPY code. This is undocumented and not accessible from SQL (for now, anyway). Etsuro Fujita, reviewed by KaiGai Kohei		2012-07-12 16:26:59 -04:00
..
data	Add FORCE_NOT_NULL support to the file_fdw foreign data wrapper.	2011-09-16 16:35:51 -04:00
expected	Add contrib/file_fdw foreign-data wrapper for reading files via COPY.	2011-02-20 14:06:59 -05:00
input	Add FORCE_NOT_NULL support to the file_fdw foreign data wrapper.	2011-09-16 16:35:51 -04:00
output	file_fdw: Improve error message	2012-05-17 20:20:33 +03:00
sql	Add contrib/file_fdw foreign-data wrapper for reading files via COPY.	2011-02-20 14:06:59 -05:00
.gitignore	Support "make check" in contrib	2011-04-25 22:27:11 +03:00
file_fdw--1.0.sql	Throw a useful error message if an extension script file is fed to psql.	2011-10-12 15:45:03 -04:00
file_fdw.c	Skip text->binary conversion of unnecessary columns in contrib/file_fdw.	2012-07-12 16:26:59 -04:00
file_fdw.control	Add contrib/file_fdw foreign-data wrapper for reading files via COPY.	2011-02-20 14:06:59 -05:00
Makefile	Add contrib/file_fdw foreign-data wrapper for reading files via COPY.	2011-02-20 14:06:59 -05:00