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Support hex-string input and output for type BYTEA.

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Both hex format and the traditional "escape" format are automatically
handled on input.  The output format is selected by the new GUC variable
bytea_output.

As committed, bytea_output defaults to HEX, which is an *incompatible
change*.  We will keep it this way for awhile for testing purposes, but
should consider whether to switch to the more backwards-compatible
default of ESCAPE before 8.5 is released.

Peter Eisentraut
This commit is contained in:
Tom Lane
2009-08-04 16:08:37 +00:00
parent f192e4a5d0
commit a2a8c7a662
21 changed files with 442 additions and 111 deletions
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3
src/backend/commands/trigger.c
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/trigger.c,v 1.251 2009/07/30 02:45:36 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/trigger.c,v 1.252 2009/08/04 16:08:36 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -37,6 +37,7 @@
#include "tcop/utility.h"
#include "utils/acl.h"
#include "utils/builtins.h"
#include "utils/bytea.h"
#include "utils/fmgroids.h"
#include "utils/inval.h"
#include "utils/lsyscache.h"