]> granicus.if.org Git - postgresql/commitdiff
Remove extremely old, incomplete, broken example code.
authorTom Lane <tgl@sss.pgh.pa.us>
Mon, 5 Jun 2006 21:16:32 +0000 (21:16 +0000)
committerTom Lane <tgl@sss.pgh.pa.us>
Mon, 5 Jun 2006 21:16:32 +0000 (21:16 +0000)
Per my proposal a few days ago.

src/tutorial/beard.c [deleted file]

diff --git a/src/tutorial/beard.c b/src/tutorial/beard.c
deleted file mode 100644 (file)
index ec80ced..0000000
+++ /dev/null
@@ -1,78 +0,0 @@
-/*-------------------------------------------------------------------------
- *
- * beard.c
- *       sample routines to use large objects
- *
- * Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
- * Portions Copyright (c) 1994, Regents of the University of California
- *
- *
- * IDENTIFICATION
- *       $PostgreSQL: pgsql/src/tutorial/beard.c,v 1.15 2006/03/05 15:59:11 momjian Exp $
- *
- *-------------------------------------------------------------------------
- */
-
-typedef struct ImageHdr
-{
-       int                     size;
-}      ImageHdr;
-
-#define BUFSIZE 10
-
-/*
- * beard -
- *      clips lower 1/3 of picture and return as large object
- */
-Oid
-beard(Oid picture)
-{
-       Oid                     beard;
-       int                     pic_fd,
-                               beard_fd;
-       ImageHdr        ihdr;
-       char            buf[BUFSIZE];
-       int                     cc;
-
-       pic_fd = DatumGetInt32(DirectFunctionCall2(lo_open,
-                                                                                          ObjectIdGetDatum(picture),
-                                                                                          Int32GetDatum(INV_READ)));
-       if (pic_fd < 0)
-               elog(ERROR, "could not access picture large object");
-
-       if (lo_read(pic_fd, (char *) &ihdr, sizeof(ihdr)) != sizeof(ihdr))
-               elog(ERROR, "picture large object corrupted");
-
-       beardOffset = (ihdr.size / 3) * 2;
-
-       /*
-        * new large object
-        */
-       beard = DatumGetObjectId(DirectFunctionCall1(lo_creat,
-                                                                                                Int32GetDatum(INV_MD)));
-       if (beard == InvalidOid)
-               elog(ERROR, "could not create new large object");
-
-       beard_fd = DatumGetInt32(DirectFunctionCall2(lo_open,
-                                                                                                ObjectIdGetDatum(beard),
-                                                                                                Int32GetDatum(INV_WRITE)));
-       if (beard_fd < 0)
-               elog(ERROR, "could not access beard large object");
-
-       if (DatumGetInt32(DirectFunctionCall3(lo_lseek,
-                                                                                 Int32GetDatum(pic_fd),
-                                                                                 Int32GetDatum(beardOffset),
-                                                                                 Int32GetDatum(SEEK_SET))) < 0)
-               elog(ERROR, "could not seek in picture large object");
-
-       while ((cc = lo_read(pic_fd, buf, BUFSIZE)) > 0)
-       {
-               if (lo_write(beard_fd, buf, cc) != cc)
-                       elog(ERROR, "error while writing large object");
-       }
-
-       DirectFunctionCall1(lo_close, Int32GetDatum(pic_fd));
-       DirectFunctionCall1(lo_close, Int32GetDatum(beard_fd));
-
-       return beard;
-}