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Commitf3576c3

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committed
Cosmetic changes to dblink.
1 parent7d937cd commitf3576c3

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1 file changed

+46
-45
lines changed

1 file changed

+46
-45
lines changed

‎contrib/dblink/dblink.c

Lines changed: 46 additions & 45 deletions
Original file line numberDiff line numberDiff line change
@@ -60,17 +60,18 @@
6060

6161
typedefstructremoteConn
6262
{
63-
PGconn*con;/* Hold the remote connection */
64-
boolremoteTrFlag;/* Indicates whether or not a transaction
65-
* on remote database is in progress */
63+
PGconn*conn;/* Hold the remote connection */
64+
intautoXactCursors;/* Indicates the number of open cursors,
65+
* non-zero means we opened the xact
66+
* ourselves */
6667
}remoteConn;
6768

6869
/*
6970
* Internal declarations
7071
*/
7172
staticremoteConn*getConnectionByName(constchar*name);
7273
staticHTAB*createConnHash(void);
73-
staticvoidcreateNewConnection(constchar*name,remoteConn*con);
74+
staticvoidcreateNewConnection(constchar*name,remoteConn*rconn);
7475
staticvoiddeleteConnection(constchar*name);
7576
staticchar**get_pkey_attnames(Oidrelid,int16*numatts);
7677
staticchar*get_sql_insert(Oidrelid,int2vector*pkattnums,int16pknumatts,char**src_pkattvals,char**tgt_pkattvals);
@@ -99,7 +100,7 @@ much like ecpg e.g. a mapping between a name and a PGconn object.
99100
typedefstructremoteConnHashEnt
100101
{
101102
charname[NAMEDATALEN];
102-
remoteConn*rcon;
103+
remoteConn*rconn;
103104
}remoteConnHashEnt;
104105

105106
/* initial number of connection hashes */
@@ -162,10 +163,10 @@ typedef struct remoteConnHashEnt
162163
#defineDBLINK_GET_CONN \
163164
do { \
164165
char *conname_or_str = GET_STR(PG_GETARG_TEXT_P(0)); \
165-
rcon = getConnectionByName(conname_or_str); \
166-
if(rcon) \
166+
rconn = getConnectionByName(conname_or_str); \
167+
if(rconn) \
167168
{ \
168-
conn =rcon->con; \
169+
conn =rconn->conn; \
169170
} \
170171
else \
171172
{ \
@@ -197,7 +198,7 @@ dblink_connect(PG_FUNCTION_ARGS)
197198
char*msg;
198199
MemoryContextoldcontext;
199200
PGconn*conn=NULL;
200-
remoteConn*rcon=NULL;
201+
remoteConn*rconn=NULL;
201202

202203
if (PG_NARGS()==2)
203204
{
@@ -210,7 +211,7 @@ dblink_connect(PG_FUNCTION_ARGS)
210211
oldcontext=MemoryContextSwitchTo(TopMemoryContext);
211212

212213
if (connname)
213-
rcon= (remoteConn*)palloc(sizeof(remoteConn));
214+
rconn= (remoteConn*)palloc(sizeof(remoteConn));
214215
conn=PQconnectdb(connstr);
215216

216217
MemoryContextSwitchTo(oldcontext);
@@ -219,8 +220,8 @@ dblink_connect(PG_FUNCTION_ARGS)
219220
{
220221
msg=pstrdup(PQerrorMessage(conn));
221222
PQfinish(conn);
222-
if (rcon)
223-
pfree(rcon);
223+
if (rconn)
224+
pfree(rconn);
224225

225226
ereport(ERROR,
226227
(errcode(ERRCODE_SQLCLIENT_UNABLE_TO_ESTABLISH_SQLCONNECTION),
@@ -230,8 +231,8 @@ dblink_connect(PG_FUNCTION_ARGS)
230231

231232
if (connname)
232233
{
233-
rcon->con=conn;
234-
createNewConnection(connname,rcon);
234+
rconn->conn=conn;
235+
createNewConnection(connname,rconn);
235236
}
236237
else
237238
persistent_conn=conn;
@@ -247,15 +248,15 @@ Datum
247248
dblink_disconnect(PG_FUNCTION_ARGS)
248249
{
249250
char*conname=NULL;
250-
remoteConn*rcon=NULL;
251+
remoteConn*rconn=NULL;
251252
PGconn*conn=NULL;
252253

253254
if (PG_NARGS()==1)
254255
{
255256
conname=GET_STR(PG_GETARG_TEXT_P(0));
256-
rcon=getConnectionByName(conname);
257-
if (rcon)
258-
conn=rcon->con;
257+
rconn=getConnectionByName(conname);
258+
if (rconn)
259+
conn=rconn->conn;
259260
}
260261
else
261262
conn=persistent_conn;
@@ -264,10 +265,10 @@ dblink_disconnect(PG_FUNCTION_ARGS)
264265
DBLINK_CONN_NOT_AVAIL;
265266

266267
PQfinish(conn);
267-
if (rcon)
268+
if (rconn)
268269
{
269270
deleteConnection(conname);
270-
pfree(rcon);
271+
pfree(rconn);
271272
}
272273
else
273274
persistent_conn=NULL;
@@ -289,7 +290,7 @@ dblink_open(PG_FUNCTION_ARGS)
289290
char*sql=NULL;
290291
char*conname=NULL;
291292
StringInfostr=makeStringInfo();
292-
remoteConn*rcon=NULL;
293+
remoteConn*rconn=NULL;
293294
boolfail= true;/* default to backward compatible behavior */
294295

295296
if (PG_NARGS()==2)
@@ -314,9 +315,9 @@ dblink_open(PG_FUNCTION_ARGS)
314315
conname=GET_STR(PG_GETARG_TEXT_P(0));
315316
curname=GET_STR(PG_GETARG_TEXT_P(1));
316317
sql=GET_STR(PG_GETARG_TEXT_P(2));
317-
rcon=getConnectionByName(conname);
318-
if (rcon)
319-
conn=rcon->con;
318+
rconn=getConnectionByName(conname);
319+
if (rconn)
320+
conn=rconn->conn;
320321
}
321322
}
322323
elseif (PG_NARGS()==4)
@@ -326,9 +327,9 @@ dblink_open(PG_FUNCTION_ARGS)
326327
curname=GET_STR(PG_GETARG_TEXT_P(1));
327328
sql=GET_STR(PG_GETARG_TEXT_P(2));
328329
fail=PG_GETARG_BOOL(3);
329-
rcon=getConnectionByName(conname);
330-
if (rcon)
331-
conn=rcon->con;
330+
rconn=getConnectionByName(conname);
331+
if (rconn)
332+
conn=rconn->conn;
332333
}
333334

334335
if (!conn)
@@ -370,7 +371,7 @@ dblink_close(PG_FUNCTION_ARGS)
370371
char*conname=NULL;
371372
StringInfostr=makeStringInfo();
372373
char*msg;
373-
remoteConn*rcon=NULL;
374+
remoteConn*rconn=NULL;
374375
boolfail= true;/* default to backward compatible behavior */
375376

376377
if (PG_NARGS()==1)
@@ -392,9 +393,9 @@ dblink_close(PG_FUNCTION_ARGS)
392393
{
393394
conname=GET_STR(PG_GETARG_TEXT_P(0));
394395
curname=GET_STR(PG_GETARG_TEXT_P(1));
395-
rcon=getConnectionByName(conname);
396-
if (rcon)
397-
conn=rcon->con;
396+
rconn=getConnectionByName(conname);
397+
if (rconn)
398+
conn=rconn->conn;
398399
}
399400
}
400401
if (PG_NARGS()==3)
@@ -403,9 +404,9 @@ dblink_close(PG_FUNCTION_ARGS)
403404
conname=GET_STR(PG_GETARG_TEXT_P(0));
404405
curname=GET_STR(PG_GETARG_TEXT_P(1));
405406
fail=PG_GETARG_BOOL(2);
406-
rcon=getConnectionByName(conname);
407-
if (rcon)
408-
conn=rcon->con;
407+
rconn=getConnectionByName(conname);
408+
if (rconn)
409+
conn=rconn->conn;
409410
}
410411

411412
if (!conn)
@@ -454,7 +455,7 @@ dblink_fetch(PG_FUNCTION_ARGS)
454455
PGresult*res=NULL;
455456
MemoryContextoldcontext;
456457
char*conname=NULL;
457-
remoteConn*rcon=NULL;
458+
remoteConn*rconn=NULL;
458459

459460
/* stuff done only on the first call of the function */
460461
if (SRF_IS_FIRSTCALL())
@@ -473,9 +474,9 @@ dblink_fetch(PG_FUNCTION_ARGS)
473474
howmany=PG_GETARG_INT32(2);
474475
fail=PG_GETARG_BOOL(3);
475476

476-
rcon=getConnectionByName(conname);
477-
if (rcon)
478-
conn=rcon->con;
477+
rconn=getConnectionByName(conname);
478+
if (rconn)
479+
conn=rconn->conn;
479480
}
480481
elseif (PG_NARGS()==3)
481482
{
@@ -493,9 +494,9 @@ dblink_fetch(PG_FUNCTION_ARGS)
493494
curname=GET_STR(PG_GETARG_TEXT_P(1));
494495
howmany=PG_GETARG_INT32(2);
495496

496-
rcon=getConnectionByName(conname);
497-
if (rcon)
498-
conn=rcon->con;
497+
rconn=getConnectionByName(conname);
498+
if (rconn)
499+
conn=rconn->conn;
499500
}
500501
}
501502
elseif (PG_NARGS()==2)
@@ -656,7 +657,7 @@ dblink_record(PG_FUNCTION_ARGS)
656657
char*connstr=NULL;
657658
char*sql=NULL;
658659
char*conname=NULL;
659-
remoteConn*rcon=NULL;
660+
remoteConn*rconn=NULL;
660661
boolfail= true;/* default to backward compatible */
661662

662663
/* create a function context for cross-call persistence */
@@ -855,7 +856,7 @@ dblink_exec(PG_FUNCTION_ARGS)
855856
char*connstr=NULL;
856857
char*sql=NULL;
857858
char*conname=NULL;
858-
remoteConn*rcon=NULL;
859+
remoteConn*rconn=NULL;
859860
boolfreeconn= false;
860861
boolfail= true;/* default to backward compatible behavior */
861862

@@ -2027,7 +2028,7 @@ getConnectionByName(const char *name)
20272028
key,HASH_FIND,NULL);
20282029

20292030
if (hentry)
2030-
return (hentry->rcon);
2031+
return (hentry->rconn);
20312032

20322033
return (NULL);
20332034
}
@@ -2063,7 +2064,7 @@ createNewConnection(const char *name, remoteConn *rconn)
20632064
(errcode(ERRCODE_DUPLICATE_OBJECT),
20642065
errmsg("duplicate connection name")));
20652066

2066-
hentry->rcon=rconn;
2067+
hentry->rconn=rconn;
20672068
strncpy(hentry->name,name,NAMEDATALEN-1);
20682069
}
20692070

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