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Add support for optionally escaping periods when converting SQL identifiers

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to XML names, which will be required for supporting XML export.
This commit is contained in:
Peter Eisentraut
2007-02-11 22:18:16 +00:00
parent 733abd2987
commit eb19144894
3 changed files with 16 additions and 8 deletions
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12
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 1.26 2007/02/10 18:47:41 petere Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/xml.c,v 1.27 2007/02/11 22:18:15 petere Exp $
*
*-------------------------------------------------------------------------
*/
@ -1318,8 +1318,14 @@ is_valid_xml_namechar(pg_wchar c)
* Map SQL identifier to XML name; see SQL/XML:2003 section 9.1.
*/
char *
map_sql_identifier_to_xml_name(char *ident, bool fully_escaped)
map_sql_identifier_to_xml_name(char *ident, bool fully_escaped, bool escape_period)
{
/*
* SQL/XML doesn't make use of this case anywhere, so it's
* probably a mistake.
*/
Assert(fully_escaped || !escape_period);
#ifdef USE_LIBXML
StringInfoData buf;
char *p;
@ -1340,6 +1346,8 @@ map_sql_identifier_to_xml_name(char *ident, bool fully_escaped)
else
appendStringInfo(&buf, "_x0058_");
}
else if (escape_period && *p == '.')
appendStringInfo(&buf, "_x002E_");
else
{
pg_wchar u = sqlchar_to_unicode(p);