database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-06-23 14:01:44 +03:00
Code Activity

Extend COPY to support COPY (SELECT ...) TO ...

Browse Source 
Bernd Helmle
This commit is contained in:
Tom Lane
2006-08-30 23:34:22 +00:00
parent 0d5065781d
commit 85188ab883
16 changed files with 854 additions and 339 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
src/bin/psql/copy.c
View File

@ -3,7 +3,7 @@
*
* Copyright (c) 2000-2006, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/bin/psql/copy.c,v 1.67 2006/08/29 15:19:50 tgl Exp $
* $PostgreSQL: pgsql/src/bin/psql/copy.c,v 1.68 2006/08/30 23:34:22 tgl Exp $
*/
#include "postgres_fe.h"
#include "copy.h"
@ -39,6 +39,9 @@
* \copy tablename [(columnlist)] from|to filename
* [ with ] [ binary ] [ oids ] [ delimiter [as] char ] [ null [as] string ]
*
* \copy ( select stmt ) to filename
* [ with ] [ binary ] [ delimiter [as] char ] [ null [as] string ]
*
* The pre-7.3 syntax was:
* \copy [ binary ] tablename [(columnlist)] [with oids] from|to filename
* [ [using] delimiters char ] [ with null as string ]
@ -142,6 +145,26 @@ parse_slash_copy(const char *args)
result->table = pg_strdup(token);
/* Handle COPY (SELECT) case */
if (token[0] == '(')
{
int parens = 1;
while (parens > 0)
{
token = strtokx(NULL, whitespace, ".,()", "\"'",
nonstd_backslash, true, false, pset.encoding);
if (!token)
goto error;
if (token[0] == '(')
parens++;
else if (token[0] == ')')
parens--;
xstrcat(&result->table, " ");
xstrcat(&result->table, token);
}
}
token = strtokx(NULL, whitespace, ".,()", "\"",
0, false, false, pset.encoding);
if (!token)