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Make casts from xml to text independent of the XML option setting, thus 

immutable and indexable.  Also fix the volatility settings of some other
XML-related functions.
This commit is contained in:
Peter Eisentraut 2007-11-27 12:21:05 +00:00
parent 542d04e179
commit 7888b52076
6 changed files with 24 additions and 13 deletions
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5
src/backend/utils/adt/xml.c
View File

@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/backend/utils/adt/xml.c,v 1.60 2007/11/25 12:08:11 petere Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/xml.c,v 1.61 2007/11/27 12:21:05 petere Exp $
*
*-------------------------------------------------------------------------
*/
@ -535,7 +535,8 @@ xmltotext(PG_FUNCTION_ARGS)
{
xmltype *data = PG_GETARG_XML_P(0);
PG_RETURN_TEXT_P(xmltotext_with_xmloption(data, xmloption));
/* It's actually binary compatible. */
return (text *) data;
}

4
src/include/catalog/catversion.h
View File

@ -37,7 +37,7 @@
* Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/catalog/catversion.h,v 1.437 2007/10/24 02:24:47 tgl Exp $
* $PostgreSQL: pgsql/src/include/catalog/catversion.h,v 1.438 2007/11/27 12:21:05 petere Exp $
*
*-------------------------------------------------------------------------
*/
@ -53,6 +53,6 @@
*/
/* yyyymmddN */
#define CATALOG_VERSION_NO 200710232
#define CATALOG_VERSION_NO 200711271
#endif

8
src/include/catalog/pg_cast.h
View File

@ -10,7 +10,7 @@
*
* Copyright (c) 2002-2007, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/include/catalog/pg_cast.h,v 1.36 2007/11/15 21:14:42 momjian Exp $
* $PostgreSQL: pgsql/src/include/catalog/pg_cast.h,v 1.37 2007/11/27 12:21:05 petere Exp $
*
* NOTES
* the genbki.sh script reads this file and generates .bki
@ -292,7 +292,7 @@ DATA(insert ( 1560 23 1684 e ));
DATA(insert ( 650 25 730 a ));
DATA(insert ( 869 25 730 a ));
DATA(insert ( 16 25 2971 a ));
DATA(insert ( 142 25 2922 a ));
DATA(insert ( 142 25 0 a ));
DATA(insert ( 25 142 2896 e ));
/*
@ -303,7 +303,7 @@ DATA(insert ( 25 142 2896 e ));
DATA(insert ( 650 1043 730 a ));
DATA(insert ( 869 1043 730 a ));
DATA(insert ( 16 1043 2971 a ));
DATA(insert ( 142 1043 2922 a ));
DATA(insert ( 142 1043 0 a ));
DATA(insert ( 1043 142 2896 e ));
/*
@ -314,7 +314,7 @@ DATA(insert ( 1043 142 2896 e ));
DATA(insert ( 650 1042 730 a ));
DATA(insert ( 869 1042 730 a ));
DATA(insert ( 16 1042 2971 a ));
DATA(insert ( 142 1042 2922 a ));
DATA(insert ( 142 1042 0 a ));
DATA(insert ( 1042 142 2896 e ));
/*

8
src/include/catalog/pg_proc.h
View File

@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/catalog/pg_proc.h,v 1.478 2007/11/15 21:14:43 momjian Exp $
* $PostgreSQL: pgsql/src/include/catalog/pg_proc.h,v 1.479 2007/11/27 12:21:05 petere Exp $
*
* NOTES
* The script catalog/genbki.sh reads this file and generates .bki
@ -4028,13 +4028,13 @@ DATA(insert OID = 2892 ( pg_advisory_unlock_all PGNSP PGUID 12 1 0 f f t f v 0
DESCR("release all advisory locks");
/* XML support */
DATA(insert OID = 2893 ( xml_in PGNSP PGUID 12 1 0 f f t f i 1 142 "2275" _null_ _null_ _null_ xml_in - _null_ _null_ ));
DATA(insert OID = 2893 ( xml_in PGNSP PGUID 12 1 0 f f t f s 1 142 "2275" _null_ _null_ _null_ xml_in - _null_ _null_ ));
DESCR("I/O");
DATA(insert OID = 2894 ( xml_out PGNSP PGUID 12 1 0 f f t f i 1 2275 "142" _null_ _null_ _null_ xml_out - _null_ _null_ ));
DESCR("I/O");
DATA(insert OID = 2895 ( xmlcomment PGNSP PGUID 12 1 0 f f t f i 1 142 "25" _null_ _null_ _null_ xmlcomment - _null_ _null_ ));
DESCR("generate an XML comment");
DATA(insert OID = 2896 ( xml PGNSP PGUID 12 1 0 f f t f i 1 142 "25" _null_ _null_ _null_ texttoxml - _null_ _null_ ));
DATA(insert OID = 2896 ( xml PGNSP PGUID 12 1 0 f f t f s 1 142 "25" _null_ _null_ _null_ texttoxml - _null_ _null_ ));
DESCR("perform a non-validating parse of a character string to produce an XML value");
DATA(insert OID = 2897 ( xmlvalidate PGNSP PGUID 12 1 0 f f t f i 2 16 "142 25" _null_ _null_ _null_ xmlvalidate - _null_ _null_ ));
DESCR("validate an XML value");
@ -4046,7 +4046,7 @@ DATA(insert OID = 2900 ( xmlconcat2 PGNSP PGUID 12 1 0 f f f f i 2 142 "142
DESCR("aggregate transition function");
DATA(insert OID = 2901 ( xmlagg PGNSP PGUID 12 1 0 t f f f i 1 142 "142" _null_ _null_ _null_ aggregate_dummy - _null_ _null_ ));
DESCR("concatenate XML values");
DATA(insert OID = 2922 ( text PGNSP PGUID 12 1 0 f f t f s 1 25 "142" _null_ _null_ _null_ xmltotext - _null_ _null_ ));
DATA(insert OID = 2922 ( text PGNSP PGUID 12 1 0 f f t f i 1 25 "142" _null_ _null_ _null_ xmltotext - _null_ _null_ ));
DESCR("serialize an XML value to a character string");
DATA(insert OID = 2923 ( table_to_xml PGNSP PGUID 12 100 0 f f t f s 4 142 "2205 16 16 25" _null_ _null_ "{tbl,nulls,tableforest,targetns}" table_to_xml - _null_ _null_ ));

8
src/test/regress/expected/opr_sanity.out
View File

@ -288,6 +288,9 @@ WHERE c.castfunc = p.oid AND
-- those are binary-compatible while the reverse way goes through rtrim().
-- As of 8.2, this finds the cast from cidr to inet, because that is a
-- trivial binary coercion while the other way goes through inet_to_cidr().
-- As of 8.3, this finds the casts from xml to text, varchar, and bpchar,
-- because those are binary-compatible while the reverse goes through
-- texttoxml(), which does an XML syntax check.
SELECT *
FROM pg_cast c
WHERE c.castfunc = 0 AND
@ -300,7 +303,10 @@ WHERE c.castfunc = 0 AND
25 | 1042 | 0 | i
1043 | 1042 | 0 | i
650 | 869 | 0 | i
(3 rows)
142 | 25 | 0 | a
142 | 1043 | 0 | a
142 | 1042 | 0 | a
(6 rows)
-- **************** pg_operator ****************
-- Look for illegal values in pg_operator fields.

4
src/test/regress/sql/opr_sanity.sql
View File

@ -238,6 +238,10 @@ WHERE c.castfunc = p.oid AND
-- As of 8.2, this finds the cast from cidr to inet, because that is a
-- trivial binary coercion while the other way goes through inet_to_cidr().
-- As of 8.3, this finds the casts from xml to text, varchar, and bpchar,
-- because those are binary-compatible while the reverse goes through
-- texttoxml(), which does an XML syntax check.
SELECT *
FROM pg_cast c
WHERE c.castfunc = 0 AND