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Fix ancient error in large objects usage example: overwrite() subroutine

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was opening with INV_READ flag and then writing.  Prior to 8.1 the backend
did not reject this, but now it does.
This commit is contained in:
Tom Lane
2006-03-02 21:49:09 +00:00
parent 9356877bba
commit 56aa84a69c
2 changed files with 10 additions and 9 deletions
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8
src/test/examples/testlo.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/test/examples/testlo.c,v 1.25 2004/12/31 22:03:58 pgsql Exp $
* $PostgreSQL: pgsql/src/test/examples/testlo.c,v 1.26 2006/03/02 21:49:09 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -113,7 +113,7 @@ overwrite(PGconn *conn, Oid lobjId, int start, int len)
int nwritten;
int i;
lobj_fd = lo_open(conn, lobjId, INV_READ);
lobj_fd = lo_open(conn, lobjId, INV_WRITE);
if (lobj_fd < 0)
fprintf(stderr, "can't open large object %u", lobjId);
@@ -156,7 +156,7 @@ exportFile(PGconn *conn, Oid lobjId, char *filename)
int fd;
/*
* create an inversion "object"
* open the large object
*/
lobj_fd = lo_open(conn, lobjId, INV_READ);
if (lobj_fd < 0)
@@ -173,7 +173,7 @@ exportFile(PGconn *conn, Oid lobjId, char *filename)
}
/*
* read in from the Unix file and write to the inversion file
* read in from the inversion file and write to the Unix file
*/
while ((nbytes = lo_read(conn, lobj_fd, buf, BUFSIZE)) > 0)
{