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Extend EXPLAIN to support output in XML or JSON format.

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There are probably still some adjustments to be made in the details
of the output, but this gets the basic structure in place.

Robert Haas
This commit is contained in:
Tom Lane
2009-08-10 05:46:50 +00:00
parent 18894c401f
commit 9bd27b7c9e
12 changed files with 1153 additions and 364 deletions
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3
src/include/utils/xml.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/utils/xml.h,v 1.28 2009/06/11 14:49:13 momjian Exp $
* $PostgreSQL: pgsql/src/include/utils/xml.h,v 1.29 2009/08/10 05:46:50 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -70,6 +70,7 @@ extern xmltype *xmlpi(char *target, text *arg, bool arg_is_null, bool *result_is
extern xmltype *xmlroot(xmltype *data, text *version, int standalone);
extern bool xml_is_document(xmltype *arg);
extern text *xmltotext_with_xmloption(xmltype *data, XmlOptionType xmloption_arg);
extern char *escape_xml(const char *str);
extern char *map_sql_identifier_to_xml_name(char *ident, bool fully_escaped, bool escape_period);
extern char *map_xml_name_to_sql_identifier(char *name);