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Implement current_query(), that shows the currently executing query.

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At the same time remove dblink/dblink_current_query() as it is no longer
necessary
*BACKWARD COMPATIBILITY ISSUE* for dblink

Tomas Doran
This commit is contained in:
Bruce Momjian
2008-04-04 16:57:21 +00:00
parent cfaf8b6b67
commit f96928fde9
11 changed files with 32 additions and 87 deletions
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16
src/backend/utils/adt/misc.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/adt/misc.c,v 1.58 2008/01/01 19:45:52 momjian Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/misc.c,v 1.59 2008/04/04 16:57:21 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -29,6 +29,7 @@
#include "storage/pmsignal.h"
#include "storage/procarray.h"
#include "utils/builtins.h"
#include "tcop/tcopprot.h"
#define atooid(x) ((Oid) strtoul((x), NULL, 10))
@ -71,6 +72,19 @@ current_database(PG_FUNCTION_ARGS)
}
/*
* current_query()
* Expose the current query to the user (useful in stored procedures)
*/
Datum
current_query(PG_FUNCTION_ARGS)
{
if (debug_query_string)
PG_RETURN_TEXT_P(cstring_to_text(debug_query_string));
else
PG_RETURN_NULL();
}
/*
* Functions to send signals to other backends.
*/

4
src/include/catalog/pg_proc.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/catalog/pg_proc.h,v 1.485 2008/03/27 03:57:34 tgl Exp $
* $PostgreSQL: pgsql/src/include/catalog/pg_proc.h,v 1.486 2008/04/04 16:57:21 momjian Exp $
*
* NOTES
* The script catalog/genbki.sh reads this file and generates .bki
@ -1117,6 +1117,8 @@ DESCR("convert char to char()");
DATA(insert OID = 861 ( current_database PGNSP PGUID 12 1 0 f f t f i 0 19 "" _null_ _null_ _null_ current_database - _null_ _null_ ));
DESCR("returns the current database");
DATA(insert OID = 817 ( current_query PGNSP PGUID 12 1 0 f f f f v 0 25 "" _null_ _null_ _null_ current_query - _null_ _null_ ));
DESCR("returns the currently executing query");
DATA(insert OID = 862 ( int4_mul_cash PGNSP PGUID 12 1 0 f f t f i 2 790 "23 790" _null_ _null_ _null_ int4_mul_cash - _null_ _null_ ));
DESCR("multiply");

3
src/include/utils/builtins.h
View File

@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/utils/builtins.h,v 1.310 2008/03/25 22:42:45 tgl Exp $
* $PostgreSQL: pgsql/src/include/utils/builtins.h,v 1.311 2008/04/04 16:57:21 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -414,6 +414,7 @@ extern Datum pg_ls_dir(PG_FUNCTION_ARGS);
extern Datum nullvalue(PG_FUNCTION_ARGS);
extern Datum nonnullvalue(PG_FUNCTION_ARGS);
extern Datum current_database(PG_FUNCTION_ARGS);
extern Datum current_query(PG_FUNCTION_ARGS);
extern Datum pg_cancel_backend(PG_FUNCTION_ARGS);
extern Datum pg_reload_conf(PG_FUNCTION_ARGS);
extern Datum pg_tablespace_databases(PG_FUNCTION_ARGS);