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-rw-r--r--src/backend/utils/misc/guc.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index 6e412e328a1..387c4ae1531 100644
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -10,7 +10,7 @@
* Written by Peter Eisentraut <peter_e@gmx.net>.
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.395 2007/06/05 21:50:19 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.396 2007/06/08 18:23:52 tgl Exp $
*
*--------------------------------------------------------------------
*/
@@ -109,6 +109,9 @@ extern bool fullPageWrites;
#ifdef TRACE_SORT
extern bool trace_sort;
#endif
+#ifdef TRACE_SYNCSCAN
+extern bool trace_syncscan;
+#endif
#ifdef DEBUG_BOUNDED_SORT
extern bool optimize_bounded_sort;
#endif
@@ -970,6 +973,19 @@ static struct config_bool ConfigureNamesBool[] =
},
#endif
+#ifdef TRACE_SYNCSCAN
+ /* this is undocumented because not exposed in a standard build */
+ {
+ {"trace_syncscan", PGC_USERSET, DEVELOPER_OPTIONS,
+ gettext_noop("Generate debugging output for synchronized scanning."),
+ NULL,
+ GUC_NOT_IN_SAMPLE
+ },
+ &trace_syncscan,
+ false, NULL, NULL
+ },
+#endif
+
#ifdef DEBUG_BOUNDED_SORT
/* this is undocumented because not exposed in a standard build */
{