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Avoid infinite loop if connection is lost during PQexecStart() or

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PQexecFinish().  Per report from Andreas Pflug.
This commit is contained in:
Tom Lane 2003-12-28 17:29:41 +00:00
parent f8eed65dfb
commit 36c9a01acf
1 changed files with 8 additions and 2 deletions
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10
src/interfaces/libpq/fe-exec.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/interfaces/libpq/fe-exec.c,v 1.155 2003/11/30 20:55:09 joe Exp $
* $PostgreSQL: pgsql/src/interfaces/libpq/fe-exec.c,v 1.156 2003/12/28 17:29:41 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -1234,6 +1234,9 @@ PQexecStart(PGconn *conn)
return false;
}
}
/* check for loss of connection, too */
if (conn->status == CONNECTION_BAD)
return false;
}
/* OK to send a command */
@ -1256,6 +1259,8 @@ PQexecFinish(PGconn *conn)
*
* We have to stop if we see copy in/out, however. We will resume parsing
* after application performs the data transfer.
*
* Also stop if the connection is lost (else we'll loop infinitely).
*/
lastResult = NULL;
while ((result = PQgetResult(conn)) != NULL)
@ -1281,7 +1286,8 @@ PQexecFinish(PGconn *conn)
}
lastResult = result;
if (result->resultStatus == PGRES_COPY_IN ||
result->resultStatus == PGRES_COPY_OUT)
result->resultStatus == PGRES_COPY_OUT ||
conn->status == CONNECTION_BAD)
break;
}