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Use E'' strings internally only when standard_conforming_strings =

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'off'. This allows pg_dump output with standard_conforming_strings =
'on' to generate proper strings that can be loaded into other databases
without the backslash doubling we typically do.  I have added the
dumping of the standard_conforming_strings value to pg_dump.

I also added standard backslash handling for plpgsql.
This commit is contained in:
Bruce Momjian
2006-05-26 23:48:54 +00:00
parent 4d63e26774
commit 7a846ecc00
15 changed files with 174 additions and 89 deletions
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18
src/backend/utils/adt/quote.c
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@ -7,13 +7,14 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/adt/quote.c,v 1.18 2006/03/05 15:58:43 momjian Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/quote.c,v 1.19 2006/05/26 23:48:54 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#include "postgres.h"
#include "utils/builtins.h"
#include "parser/gramparse.h"
/*
@ -65,19 +66,20 @@ quote_literal(PG_FUNCTION_ARGS)
cp1 = VARDATA(t);
cp2 = VARDATA(result);
for (; len-- > 0; cp1++)
if (*cp1 == '\\')
{
*cp2++ = ESCAPE_STRING_SYNTAX;
break;
}
if (!standard_conforming_strings)
for (; len-- > 0; cp1++)
if (*cp1 == '\\')
{
*cp2++ = ESCAPE_STRING_SYNTAX;
break;
}
len = VARSIZE(t) - VARHDRSZ;
cp1 = VARDATA(t);
*cp2++ = '\'';
while (len-- > 0)
{
if (SQL_STR_DOUBLE(*cp1))
if (SQL_STR_DOUBLE(*cp1, !standard_conforming_strings))
*cp2++ = *cp1;
*cp2++ = *cp1++;
}