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Fix up text concatenation so that it accepts all the reasonable cases that

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were accepted by prior Postgres releases.  This takes care of the loose end
left by the preceding patch to downgrade implicit casts-to-text.  To avoid
breaking desirable behavior for array concatenation, introduce a new
polymorphic pseudo-type "anynonarray" --- the added concatenation operators
are actually text || anynonarray and anynonarray || text.
This commit is contained in:
Tom Lane
2007-06-06 23:00:50 +00:00
parent 7dab4f75ca
commit 2d4db3675f
22 changed files with 301 additions and 109 deletions
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4
src/backend/utils/adt/xml.c
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@ -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 1.43 2007/05/21 17:10:29 petere Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/xml.c,v 1.44 2007/06/06 23:00:39 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -1481,7 +1481,7 @@ map_sql_value_to_xml_value(Datum value, Oid type)
initStringInfo(&buf);
if (is_array_type(type))
if (type_is_array(type))
{
int i;
ArrayType *array;