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authorHeikki Linnakangas2013-02-27 16:17:21 +0000
committerHeikki Linnakangas2013-02-27 16:22:31 +0000
commit3d009e45bde2a2681826ef549637ada76508b597 (patch)
tree6f429ba5f7bbfee65dfd14fcfacd19a2e0ddd053 /src/include/parser
parent73dc003beef859e0b67da463c5e28f5468d3f17f (diff)
Add support for piping COPY to/from an external program.
This includes backend "COPY TO/FROM PROGRAM '...'" syntax, and corresponding psql \copy syntax. Like with reading/writing files, the backend version is superuser-only, and in the psql version, the program is run in the client. In the passing, the psql \copy STDIN/STDOUT syntax is subtly changed: if you the stdin/stdout is quoted, it's now interpreted as a filename. For example, "\copy foo from 'stdin'" now reads from a file called 'stdin', not from standard input. Before this, there was no way to specify a filename called stdin, stdout, pstdin or pstdout. This creates a new function in pgport, wait_result_to_str(), which can be used to convert the exit status of a process, as returned by wait(3), to a human-readable string. Etsuro Fujita, reviewed by Amit Kapila.
Diffstat (limited to 'src/include/parser')
-rw-r--r--src/include/parser/kwlist.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/include/parser/kwlist.h b/src/include/parser/kwlist.h
index 03aa7616409..6f67a65f3d1 100644
--- a/src/include/parser/kwlist.h
+++ b/src/include/parser/kwlist.h
@@ -292,6 +292,7 @@ PG_KEYWORD("prior", PRIOR, UNRESERVED_KEYWORD)
PG_KEYWORD("privileges", PRIVILEGES, UNRESERVED_KEYWORD)
PG_KEYWORD("procedural", PROCEDURAL, UNRESERVED_KEYWORD)
PG_KEYWORD("procedure", PROCEDURE, UNRESERVED_KEYWORD)
+PG_KEYWORD("program", PROGRAM, UNRESERVED_KEYWORD)
PG_KEYWORD("quote", QUOTE, UNRESERVED_KEYWORD)
PG_KEYWORD("range", RANGE, UNRESERVED_KEYWORD)
PG_KEYWORD("read", READ, UNRESERVED_KEYWORD)