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mirror of https://github.com/postgres/postgres.git synced 2025-12-21 05:21:08 +03:00

Massive commit to run PGINDENT on all *.c and *.h files.

This commit is contained in:
Bruce Momjian
1997-09-07 05:04:48 +00:00
parent 8fecd4febf
commit 1ccd423235
687 changed files with 150775 additions and 136888 deletions

View File

@@ -1,6 +1,6 @@
/*
* testlibpq2.c
* Test of the asynchronous notification interface
* Test of the asynchronous notification interface
*
populate a database with the following:
@@ -21,73 +21,87 @@ INSERT INTO TBL1 values (10);
#include <stdio.h>
#include "libpq-fe.h"
void exit_nicely(PGconn* conn)
void
exit_nicely(PGconn * conn)
{
PQfinish(conn);
exit(1);
PQfinish(conn);
exit(1);
}
main()
{
char *pghost, *pgport, *pgoptions, *pgtty;
char* dbName;
int nFields;
int i,j;
char *pghost,
*pgport,
*pgoptions,
*pgtty;
char *dbName;
int nFields;
int i,
j;
PGconn* conn;
PGresult* res;
PGnotify* notify;
PGconn *conn;
PGresult *res;
PGnotify *notify;
/* begin, by setting the parameters for a backend connection
if the parameters are null, then the system will try to use
reasonable defaults by looking up environment variables
or, failing that, using hardwired constants */
pghost = NULL; /* host name of the backend server */
pgport = NULL; /* port of the backend server */
pgoptions = NULL; /* special options to start up the backend server */
pgtty = NULL; /* debugging tty for the backend server */
dbName = getenv("USER"); /* change this to the name of your test database*/
/*
* begin, by setting the parameters for a backend connection if the
* parameters are null, then the system will try to use reasonable
* defaults by looking up environment variables or, failing that,
* using hardwired constants
*/
pghost = NULL; /* host name of the backend server */
pgport = NULL; /* port of the backend server */
pgoptions = NULL; /* special options to start up the backend
* server */
pgtty = NULL; /* debugging tty for the backend server */
dbName = getenv("USER"); /* change this to the name of your test
* database */
/* make a connection to the database */
conn = PQsetdb(pghost, pgport, pgoptions, pgtty, dbName);
/* make a connection to the database */
conn = PQsetdb(pghost, pgport, pgoptions, pgtty, dbName);
/* check to see that the backend connection was successfully made */
if (PQstatus(conn) == CONNECTION_BAD) {
fprintf(stderr,"Connection to database '%s' failed.\n", dbName);
fprintf(stderr,"%s",PQerrorMessage(conn));
exit_nicely(conn);
}
/* check to see that the backend connection was successfully made */
if (PQstatus(conn) == CONNECTION_BAD)
{
fprintf(stderr, "Connection to database '%s' failed.\n", dbName);
fprintf(stderr, "%s", PQerrorMessage(conn));
exit_nicely(conn);
}
res = PQexec(conn, "LISTEN TBL2");
if (PQresultStatus(res) != PGRES_COMMAND_OK) {
fprintf(stderr,"LISTEN command failed\n");
PQclear(res);
exit_nicely(conn);
}
/* should PQclear PGresult whenever it is no longer needed to avoid
memory leaks */
PQclear(res);
res = PQexec(conn, "LISTEN TBL2");
if (PQresultStatus(res) != PGRES_COMMAND_OK)
{
fprintf(stderr, "LISTEN command failed\n");
PQclear(res);
exit_nicely(conn);
}
while (1) {
/* async notification only come back as a result of a query*/
/* we can send empty queries */
res = PQexec(conn, " ");
/* printf("res->status = %s\n", pgresStatus[PQresultStatus(res)]); */
/* check for asynchronous returns */
notify = PQnotifies(conn);
if (notify) {
fprintf(stderr,
"ASYNC NOTIFY of '%s' from backend pid '%d' received\n",
notify->relname, notify->be_pid);
free(notify);
break;
}
PQclear(res);
}
/* close the connection to the database and cleanup */
PQfinish(conn);
/*
* should PQclear PGresult whenever it is no longer needed to avoid
* memory leaks
*/
PQclear(res);
while (1)
{
/* async notification only come back as a result of a query */
/* we can send empty queries */
res = PQexec(conn, " ");
/* printf("res->status = %s\n", pgresStatus[PQresultStatus(res)]); */
/* check for asynchronous returns */
notify = PQnotifies(conn);
if (notify)
{
fprintf(stderr,
"ASYNC NOTIFY of '%s' from backend pid '%d' received\n",
notify->relname, notify->be_pid);
free(notify);
break;
}
PQclear(res);
}
/* close the connection to the database and cleanup */
PQfinish(conn);
}