From dccfb72892acabd25568539ec882cc44c57c25bd Mon Sep 17 00:00:00 2001
From: Tom Lane
Date: Sun, 5 Jun 2011 22:30:04 -0400
Subject: Reset reindex-in-progress state before reverifying an exclusion
 constraint.

This avoids an Assert failure when we try to use ordinary index fetches
while checking for exclusion conflicts.  Per report from Noah Misch.

No need for back-patch because the Assert wasn't there before 9.1.
---
 src/test/regress/input/constraints.source  | 3 +++
 src/test/regress/output/constraints.source | 2 ++
 2 files changed, 5 insertions(+)

(limited to 'src/test')

diff --git a/src/test/regress/input/constraints.source b/src/test/regress/input/constraints.source
index 0d278212c02..b84d51e9e52 100644
--- a/src/test/regress/input/constraints.source
+++ b/src/test/regress/input/constraints.source
@@ -397,6 +397,9 @@ INSERT INTO circles VALUES('<(20,20), 10>', '<(10,10), 5>');
 ALTER TABLE circles ADD EXCLUDE USING gist
   (c1 WITH &&, (c2::circle) WITH &&);
 
+-- try reindexing an existing constraint
+REINDEX INDEX circles_c1_c2_excl;
+
 DROP TABLE circles;
 
 -- Check deferred exclusion constraint
diff --git a/src/test/regress/output/constraints.source b/src/test/regress/output/constraints.source
index d164b90af78..e2f29399315 100644
--- a/src/test/regress/output/constraints.source
+++ b/src/test/regress/output/constraints.source
@@ -543,6 +543,8 @@ ALTER TABLE circles ADD EXCLUDE USING gist
 NOTICE:  ALTER TABLE / ADD EXCLUDE will create implicit index "circles_c1_c2_excl1" for table "circles"
 ERROR:  could not create exclusion constraint "circles_c1_c2_excl1"
 DETAIL:  Key (c1, (c2::circle))=(<(0,0),5>, <(0,0),5>) conflicts with key (c1, (c2::circle))=(<(0,0),5>, <(0,0),4>).
+-- try reindexing an existing constraint
+REINDEX INDEX circles_c1_c2_excl;
 DROP TABLE circles;
 -- Check deferred exclusion constraint
 CREATE TABLE deferred_excl (
-- 
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