- Support for TAR output

- Support for BLOB output from pg_dump and input via pg_restore
- Support for direct DB connection in pg_restore
- Fixes in support for --insert flag
- pg_dump now outputs in modified OID order

1 files changed, 114 insertions, 0 deletions

diff --git a/src/bin/pg_dump/pg_backup_null.c b/src/bin/pg_dump/pg_backup_null.c
new file mode 100644
index 00000000000..e6f81bb31f2
--- /dev/null
+++ b/src/bin/pg_dump/pg_backup_null.c
@@ -0,0 +1,114 @@
+/*-------------------------------------------------------------------------
+ *
+ * pg_backup_null.c
+ *
+ *	Implementation of an archive that is never saved; it is used by 
+ *	pg_dump to output output a plain text SQL script instead of save
+ *	a real archive.
+ *
+ *	See the headers to pg_restore for more details.
+ *
+ * Copyright (c) 2000, Philip Warner
+ *      Rights are granted to use this software in any way so long
+ *      as this notice is not removed.
+ *
+ *	The author is not responsible for loss or damages that may
+ *	result from it's use.
+ *
+ *
+ * IDENTIFICATION
+ *
+ * Modifications - 09-Jul-2000 - pjw@rhyme.com.au
+ *
+ *	Initial version. 
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h> /* for dup */
+#include "pg_backup.h"
+#include "pg_backup_archiver.h"
+
+static int	_WriteData(ArchiveHandle* AH, const void* data, int dLen);
+static void     _EndData(ArchiveHandle* AH, TocEntry* te);
+static int      _WriteByte(ArchiveHandle* AH, const int i);
+static int      _WriteBuf(ArchiveHandle* AH, const void* buf, int len);
+static void     _CloseArchive(ArchiveHandle* AH);
+static void	_PrintTocData(ArchiveHandle* AH, TocEntry* te, RestoreOptions *ropt);
+
+/*
+ *  Initializer
+ */
+void InitArchiveFmt_Null(ArchiveHandle* AH) 
+{
+    /* Assuming static functions, this can be copied for each format. */
+    AH->WriteDataPtr = _WriteData;
+    AH->EndDataPtr = _EndData;
+    AH->WriteBytePtr = _WriteByte;
+    AH->WriteBufPtr = _WriteBuf;
+    AH->ClosePtr = _CloseArchive;
+    AH->PrintTocDataPtr = _PrintTocData;
+
+    /*
+     * Now prevent reading...
+     */
+    if (AH->mode == archModeRead)
+	die_horribly(AH, "%s: This format can not be read\n");
+
+}
+
+/*
+ * - Start a new TOC entry
+ */
+
+/*------
+ * Called by dumper via archiver from within a data dump routine 
+ * As at V1.3, this is only called for COPY FROM dfata, and BLOB data
+ *------
+ */
+static int	_WriteData(ArchiveHandle* AH, const void* data, int dLen)
+{
+    /* Just send it to output */
+    ahwrite(data, 1, dLen, AH);
+    return dLen;
+}
+
+static void	_EndData(ArchiveHandle* AH, TocEntry* te)
+{
+    ahprintf(AH, "\n\n");
+}
+
+/*------
+ * Called as part of a RestoreArchive call; for the NULL archive, this
+ * just sends the data for a given TOC entry to the output.
+ *------
+ */
+static void	_PrintTocData(ArchiveHandle* AH, TocEntry* te, RestoreOptions *ropt)
+{
+    if (*te->dataDumper)
+	{
+		AH->currToc = te;
+		(*te->dataDumper)((Archive*)AH, te->oid, te->dataDumperArg);
+		AH->currToc = NULL;
+	}
+}
+
+static int	_WriteByte(ArchiveHandle* AH, const int i)
+{
+    /* Don't do anything */
+    return 0;
+}
+
+static int	_WriteBuf(ArchiveHandle* AH, const void* buf, int len)
+{
+    /* Don't do anything */
+    return len;
+}
+
+static void	_CloseArchive(ArchiveHandle* AH)
+{
+    /* Nothing to do */
+}
+