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Add an xpath_exists() function. This is equivalent to XMLEXISTS except that

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it offers support for namespace mapping.

Mike Fowler, reviewed by David Fetter
This commit is contained in:
Tom Lane
2010-08-08 19:15:27 +00:00
parent 46aa77c7bd
commit 4dfc457854
8 changed files with 205 additions and 39 deletions
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3
src/include/utils/xml.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/utils/xml.h,v 1.32 2010/08/05 04:21:54 petere Exp $
* $PostgreSQL: pgsql/src/include/utils/xml.h,v 1.33 2010/08/08 19:15:27 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -37,6 +37,7 @@ extern Datum texttoxml(PG_FUNCTION_ARGS);
extern Datum xmltotext(PG_FUNCTION_ARGS);
extern Datum xmlvalidate(PG_FUNCTION_ARGS);
extern Datum xpath(PG_FUNCTION_ARGS);
extern Datum xpath_exists(PG_FUNCTION_ARGS);
extern Datum xmlexists(PG_FUNCTION_ARGS);
extern Datum table_to_xml(PG_FUNCTION_ARGS);