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-rw-r--r--src/backend/commands/indexcmds.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/backend/commands/indexcmds.c b/src/backend/commands/indexcmds.c
index 05afcb0088d..e8b9d1a4dd8 100644
--- a/src/backend/commands/indexcmds.c
+++ b/src/backend/commands/indexcmds.c
@@ -758,6 +758,8 @@ DefineIndex(Oid relationId,
*/
validate_index(relationId, indexRelationId, snapshot);
+ PrintSnapMgrStatus("concurrent index build, before snapshot release");
+
/*
* Drop the reference snapshot. We must do this before waiting out other
* snapshot holders, else we will deadlock against other processes also
@@ -770,9 +772,13 @@ DefineIndex(Oid relationId,
limitXmin = snapshot->xmin;
PopActiveSnapshot();
+ PrintSnapMgrStatus("concurrent index build, after PopActiveSnapshot");
UnregisterSnapshot(snapshot);
+ PrintSnapMgrStatus("concurrent index build, after UnregisterSnapshot");
InvalidateCatalogSnapshot();
+ PrintSnapMgrStatus("concurrent index build, after InvalidateCatalogSnapshot");
+
/*
* The index is now valid in the sense that it contains all currently
* interesting tuples. But since it might not contain tuples deleted just