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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/lsyscache.h
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@@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/utils/lsyscache.h,v 1.128 2009/06/11 14:49:13 momjian Exp $
* $PostgreSQL: pgsql/src/include/utils/lsyscache.h,v 1.129 2009/08/10 05:46:50 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -76,6 +76,7 @@ extern Oid get_negator(Oid opno);
extern RegProcedure get_oprrest(Oid opno);
extern RegProcedure get_oprjoin(Oid opno);
extern char *get_func_name(Oid funcid);
extern Oid get_func_namespace(Oid funcid);
extern Oid get_func_rettype(Oid funcid);
extern int get_func_nargs(Oid funcid);
extern Oid get_func_signature(Oid funcid, Oid **argtypes, int *nargs);