Fix dblink to treat connection names longer than NAMEDATALEN-2 (62 bytes).

Now long names are adjusted with truncate_identifier() and NOTICE messages
are raised if names are actually truncated.

Backported to release 8.0.
This commit is contained in:
Itagaki Takahiro 2010-06-03 09:45:47 +00:00
parent de57ea162c
commit 9d1f44113d
1 changed files with 10 additions and 10 deletions

View File

@ -48,6 +48,7 @@
#include "nodes/execnodes.h"
#include "nodes/pg_list.h"
#include "parser/parse_type.h"
#include "parser/scansup.h"
#include "tcop/tcopprot.h"
#include "utils/builtins.h"
#include "utils/fmgroids.h"
@ -2075,13 +2076,13 @@ static remoteConn *
getConnectionByName(const char *name)
{
remoteConnHashEnt *hentry;
char key[NAMEDATALEN];
char *key;
if (!remoteConnHash)
remoteConnHash = createConnHash();
MemSet(key, 0, NAMEDATALEN);
snprintf(key, NAMEDATALEN - 1, "%s", name);
key = pstrdup(name);
truncate_identifier(key, strlen(key), true);
hentry = (remoteConnHashEnt *) hash_search(remoteConnHash,
key, HASH_FIND, NULL);
@ -2107,13 +2108,13 @@ createNewConnection(const char *name, remoteConn * con)
{
remoteConnHashEnt *hentry;
bool found;
char key[NAMEDATALEN];
char *key;
if (!remoteConnHash)
remoteConnHash = createConnHash();
MemSet(key, 0, NAMEDATALEN);
snprintf(key, NAMEDATALEN - 1, "%s", name);
key = pstrdup(name);
truncate_identifier(key, strlen(key), true);
hentry = (remoteConnHashEnt *) hash_search(remoteConnHash, key,
HASH_ENTER, &found);
@ -2136,14 +2137,13 @@ deleteConnection(const char *name)
{
remoteConnHashEnt *hentry;
bool found;
char key[NAMEDATALEN];
char *key;
if (!remoteConnHash)
remoteConnHash = createConnHash();
MemSet(key, 0, NAMEDATALEN);
snprintf(key, NAMEDATALEN - 1, "%s", name);
key = pstrdup(name);
truncate_identifier(key, strlen(key), true);
hentry = (remoteConnHashEnt *) hash_search(remoteConnHash,
key, HASH_REMOVE, &found);