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Another round of protocol changes. Backend-to-frontend messages now all

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have length words.  COPY OUT reimplemented per new protocol: it doesn't
need \. anymore, thank goodness.  COPY BINARY to/from frontend works,
at least as far as the backend is concerned --- libpq's PQgetline API
is not up to snuff, and will have to be replaced with something that is
null-safe.  libpq uses message length words for performance improvement
(no cycles wasted rescanning long messages), but not yet for error
recovery.
This commit is contained in:
Tom Lane
2003-04-22 00:08:07 +00:00
parent ca944bd2d4
commit 5ed27e35f3
22 changed files with 782 additions and 357 deletions
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4
src/include/libpq/pqcomm.h
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@@ -9,7 +9,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: pqcomm.h,v 1.77 2003/04/19 00:02:29 tgl Exp $
* $Id: pqcomm.h,v 1.78 2003/04/22 00:08:07 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -106,7 +106,7 @@ typedef union SockAddr
/* The earliest and latest frontend/backend protocol version supported. */
#define PG_PROTOCOL_EARLIEST PG_PROTOCOL(1,0)
#define PG_PROTOCOL_LATEST PG_PROTOCOL(3,101) /* XXX temporary value */
#define PG_PROTOCOL_LATEST PG_PROTOCOL(3,102) /* XXX temporary value */
typedef uint32 ProtocolVersion; /* FE/BE protocol version number */