commit 53f4607b50e0516be05ef27d9369c89bdcb9d82b
Author: Anastasia <a.lubennikova@postgrespro.ru>
Date:   Tue Apr 9 18:56:32 2019 +0300

    test

diff --git a/contrib/intarray/Makefile b/contrib/intarray/Makefile
index 2505294..3535bb1 100644
--- a/contrib/intarray/Makefile
+++ b/contrib/intarray/Makefile
@@ -9,7 +9,7 @@ DATA = intarray--1.2.sql intarray--1.1--1.2.sql intarray--1.0--1.1.sql \
 	intarray--unpackaged--1.0.sql
 PGFILEDESC = "intarray - functions and operators for arrays of integers"
 
-REGRESS = _int
+REGRESS = _int _int2
 
 ifdef USE_PGXS
 PG_CONFIG = pg_config
diff --git a/contrib/intarray/expected/_int2.out b/contrib/intarray/expected/_int2.out
new file mode 100644
index 0000000..8346334
--- /dev/null
+++ b/contrib/intarray/expected/_int2.out
@@ -0,0 +1,47 @@
+CREATE TABLE test__int2( a int[] );
+\copy test__int2 from 'data/test__int.data'
+ANALYZE test__int2;
+SELECT count(*) from test__int2 WHERE a && '{23,50}';
+ count 
+-------
+   403
+(1 row)
+
+SELECT count(*) from test__int2 WHERE a @@ '23|50';
+ count 
+-------
+   403
+(1 row)
+
+CREATE INDEX text_idx2 on test__int2 using gist ( a gist__int_ops );
+SELECT count(*) from test__int2 WHERE a && '{23,50}';
+ count 
+-------
+   403
+(1 row)
+
+SELECT count(*) from test__int2 WHERE a @@ '23|50';
+ count 
+-------
+   403
+(1 row)
+
+SELECT a, t FROM (SELECT a::text, (SELECT COUNT (*) FROM test__int2 t2 WHERE t2.a = t1.a) t from test__int2 t1 WHERE a IS NOT NULL) s WHERE t = 0;
+ a | t 
+---+---
+(0 rows)
+
+select * from test__int2 where a = '{193,213,230,266,285,299}';
+             a             
+---------------------------
+ {193,213,230,266,285,299}
+(1 row)
+
+set enable_indexscan to off;
+set enable_bitmapscan to off;
+select * from test__int2 where a = '{193,213,230,266,285,299}';
+             a             
+---------------------------
+ {193,213,230,266,285,299}
+(1 row)
+
diff --git a/contrib/intarray/sql/_int2.sql b/contrib/intarray/sql/_int2.sql
new file mode 100644
index 0000000..d4adca7
--- /dev/null
+++ b/contrib/intarray/sql/_int2.sql
@@ -0,0 +1,20 @@
+CREATE TABLE test__int2( a int[] );
+\copy test__int2 from 'data/test__int.data'
+ANALYZE test__int2;
+
+SELECT count(*) from test__int2 WHERE a && '{23,50}';
+SELECT count(*) from test__int2 WHERE a @@ '23|50';
+
+CREATE INDEX text_idx2 on test__int2 using gist ( a gist__int_ops );
+
+SELECT count(*) from test__int2 WHERE a && '{23,50}';
+SELECT count(*) from test__int2 WHERE a @@ '23|50';
+
+SELECT a, t FROM (SELECT a::text, (SELECT COUNT (*) FROM test__int2 t2 WHERE t2.a = t1.a) t from test__int2 t1 WHERE a IS NOT NULL) s WHERE t = 0;
+
+select * from test__int2 where a = '{193,213,230,266,285,299}';
+
+set enable_indexscan to off;
+set enable_bitmapscan to off;
+
+select * from test__int2 where a = '{193,213,230,266,285,299}';
diff --git a/src/backend/access/gist/gistutil.c b/src/backend/access/gist/gistutil.c
index 94b6ad6..2183b3a 100644
--- a/src/backend/access/gist/gistutil.c
+++ b/src/backend/access/gist/gistutil.c
@@ -509,6 +509,7 @@ gistchoose(Relation r, Page p, IndexTuple it,	/* it has compressed entry */
 			{
 				/* we didn't make the random choice yet for this old best */
 				keep_current_best = (random() <= (MAX_RANDOM_VALUE / 2)) ? 1 : 0;
+				keep_current_best = 0; /* FIXME only for debugging */
 			}
 			if (keep_current_best == 0)
 			{
@@ -531,6 +532,7 @@ gistchoose(Relation r, Page p, IndexTuple it,	/* it has compressed entry */
 			{
 				/* we didn't make the random choice yet for this old best */
 				keep_current_best = (random() <= (MAX_RANDOM_VALUE / 2)) ? 1 : 0;
+				keep_current_best = 0; /* FIXME only for debugging */
 			}
 			if (keep_current_best == 1)
 				break;