Adding upstream version 13.4.upstream/13.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 819 insertions, 0 deletions

diff --git a/src/test/isolation/expected/predicate-gist.out b/src/test/isolation/expected/predicate-gist.out
new file mode 100644
index 0000000..ef5d386
--- /dev/null
+++ b/src/test/isolation/expected/predicate-gist.out
@@ -0,0 +1,819 @@
+Parsed test spec with 2 sessions
+
+starting permutation: rxy1 wx1 c1 rxy2 wy2 c2
+step rxy1: select sum(p[0]) from gist_point_tbl where p << point(2500, 2500);
+   sum
+------
+311250
+(1 row)
+
+step wx1: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(15, 20) g;
+step c1: commit;
+step rxy2: select sum(p[0]) from gist_point_tbl where p >> point(7500,7500);
+    sum
+-------
+2233750
+(1 row)
+
+step wy2: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(1, 5) g;
+step c2: commit;
+
+starting permutation: rxy2 wy2 c2 rxy1 wx1 c1
+step rxy2: select sum(p[0]) from gist_point_tbl where p >> point(7500,7500);
+    sum
+-------
+2188750
+(1 row)
+
+step wy2: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(1, 5) g;
+step c2: commit;
+step rxy1: select sum(p[0]) from gist_point_tbl where p << point(2500, 2500);
+   sum
+------
+316250
+(1 row)
+
+step wx1: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(15, 20) g;
+step c1: commit;
+
+starting permutation: rxy3 wx3 c1 rxy4 wy4 c2
+step rxy3: select sum(p[0]) from gist_point_tbl where p >> point(6000,6000);
+    sum
+-------
+3202000
+(1 row)
+
+step wx3: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(12, 18) g;
+step c1: commit;
+step rxy4: select sum(p[0]) from gist_point_tbl where p << point(1000,1000);
+  sum
+-----
+49500
+(1 row)
+
+step wy4: insert into gist_point_tbl (id, p)
+			  select g, point(g*50, g*50) from generate_series(1, 20) g;
+step c2: commit;
+
+starting permutation: rxy4 wy4 c2 rxy3 wx3 c1
+step rxy4: select sum(p[0]) from gist_point_tbl where p << point(1000,1000);
+  sum
+-----
+49500
+(1 row)
+
+step wy4: insert into gist_point_tbl (id, p)
+			  select g, point(g*50, g*50) from generate_series(1, 20) g;
+step c2: commit;
+step rxy3: select sum(p[0]) from gist_point_tbl where p >> point(6000,6000);
+    sum
+-------
+3202000
+(1 row)
+
+step wx3: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(12, 18) g;
+step c1: commit;
+
+starting permutation: rxy1 wx1 rxy2 c1 wy2 c2
+step rxy1: select sum(p[0]) from gist_point_tbl where p << point(2500, 2500);
+   sum
+------
+311250
+(1 row)
+
+step wx1: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(15, 20) g;
+step rxy2: select sum(p[0]) from gist_point_tbl where p >> point(7500,7500);
+    sum
+-------
+2188750
+(1 row)
+
+step c1: commit;
+step wy2: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(1, 5) g;
+ERROR:  could not serialize access due to read/write dependencies among transactions
+step c2: commit;
+
+starting permutation: rxy1 wx1 rxy2 wy2 c1 c2
+step rxy1: select sum(p[0]) from gist_point_tbl where p << point(2500, 2500);
+   sum
+------
+311250
+(1 row)
+
+step wx1: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(15, 20) g;
+step rxy2: select sum(p[0]) from gist_point_tbl where p >> point(7500,7500);
+    sum
+-------
+2188750
+(1 row)
+
+step wy2: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(1, 5) g;
+step c1: commit;
+step c2: commit;
+ERROR:  could not serialize access due to read/write dependencies among transactions
+
+starting permutation: rxy1 wx1 rxy2 wy2 c2 c1
+step rxy1: select sum(p[0]) from gist_point_tbl where p << point(2500, 2500);
+   sum
+------
+311250
+(1 row)
+
+step wx1: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(15, 20) g;
+step rxy2: select sum(p[0]) from gist_point_tbl where p >> point(7500,7500);
+    sum
+-------
+2188750
+(1 row)
+
+step wy2: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(1, 5) g;
+step c2: commit;
+step c1: commit;
+ERROR:  could not serialize access due to read/write dependencies among transactions
+
+starting permutation: rxy1 rxy2 wx1 c1 wy2 c2
+step rxy1: select sum(p[0]) from gist_point_tbl where p << point(2500, 2500);
+   sum
+------
+311250
+(1 row)
+
+step rxy2: select sum(p[0]) from gist_point_tbl where p >> point(7500,7500);
+    sum
+-------
+2188750
+(1 row)
+
+step wx1: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(15, 20) g;
+step c1: commit;
+step wy2: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(1, 5) g;
+ERROR:  could not serialize access due to read/write dependencies among transactions
+step c2: commit;
+
+starting permutation: rxy1 rxy2 wx1 wy2 c1 c2
+step rxy1: select sum(p[0]) from gist_point_tbl where p << point(2500, 2500);
+   sum
+------
+311250
+(1 row)
+
+step rxy2: select sum(p[0]) from gist_point_tbl where p >> point(7500,7500);
+    sum
+-------
+2188750
+(1 row)
+
+step wx1: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(15, 20) g;
+step wy2: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(1, 5) g;
+step c1: commit;
+step c2: commit;
+ERROR:  could not serialize access due to read/write dependencies among transactions
+
+starting permutation: rxy1 rxy2 wx1 wy2 c2 c1
+step rxy1: select sum(p[0]) from gist_point_tbl where p << point(2500, 2500);
+   sum
+------
+311250
+(1 row)
+
+step rxy2: select sum(p[0]) from gist_point_tbl where p >> point(7500,7500);
+    sum
+-------
+2188750
+(1 row)
+
+step wx1: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(15, 20) g;
+step wy2: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(1, 5) g;
+step c2: commit;
+step c1: commit;
+ERROR:  could not serialize access due to read/write dependencies among transactions
+
+starting permutation: rxy1 rxy2 wy2 wx1 c1 c2
+step rxy1: select sum(p[0]) from gist_point_tbl where p << point(2500, 2500);
+   sum
+------
+311250
+(1 row)
+
+step rxy2: select sum(p[0]) from gist_point_tbl where p >> point(7500,7500);
+    sum
+-------
+2188750
+(1 row)
+
+step wy2: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(1, 5) g;
+step wx1: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(15, 20) g;
+step c1: commit;
+step c2: commit;
+ERROR:  could not serialize access due to read/write dependencies among transactions
+
+starting permutation: rxy1 rxy2 wy2 wx1 c2 c1
+step rxy1: select sum(p[0]) from gist_point_tbl where p << point(2500, 2500);
+   sum
+------
+311250
+(1 row)
+
+step rxy2: select sum(p[0]) from gist_point_tbl where p >> point(7500,7500);
+    sum
+-------
+2188750
+(1 row)
+
+step wy2: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(1, 5) g;
+step wx1: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(15, 20) g;
+step c2: commit;
+step c1: commit;
+ERROR:  could not serialize access due to read/write dependencies among transactions
+
+starting permutation: rxy1 rxy2 wy2 c2 wx1 c1
+step rxy1: select sum(p[0]) from gist_point_tbl where p << point(2500, 2500);
+   sum
+------
+311250
+(1 row)
+
+step rxy2: select sum(p[0]) from gist_point_tbl where p >> point(7500,7500);
+    sum
+-------
+2188750
+(1 row)
+
+step wy2: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(1, 5) g;
+step c2: commit;
+step wx1: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(15, 20) g;
+ERROR:  could not serialize access due to read/write dependencies among transactions
+step c1: commit;
+
+starting permutation: rxy2 rxy1 wx1 c1 wy2 c2
+step rxy2: select sum(p[0]) from gist_point_tbl where p >> point(7500,7500);
+    sum
+-------
+2188750
+(1 row)
+
+step rxy1: select sum(p[0]) from gist_point_tbl where p << point(2500, 2500);
+   sum
+------
+311250
+(1 row)
+
+step wx1: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(15, 20) g;
+step c1: commit;
+step wy2: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(1, 5) g;
+ERROR:  could not serialize access due to read/write dependencies among transactions
+step c2: commit;
+
+starting permutation: rxy2 rxy1 wx1 wy2 c1 c2
+step rxy2: select sum(p[0]) from gist_point_tbl where p >> point(7500,7500);
+    sum
+-------
+2188750
+(1 row)
+
+step rxy1: select sum(p[0]) from gist_point_tbl where p << point(2500, 2500);
+   sum
+------
+311250
+(1 row)
+
+step wx1: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(15, 20) g;
+step wy2: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(1, 5) g;
+step c1: commit;
+step c2: commit;
+ERROR:  could not serialize access due to read/write dependencies among transactions
+
+starting permutation: rxy2 rxy1 wx1 wy2 c2 c1
+step rxy2: select sum(p[0]) from gist_point_tbl where p >> point(7500,7500);
+    sum
+-------
+2188750
+(1 row)
+
+step rxy1: select sum(p[0]) from gist_point_tbl where p << point(2500, 2500);
+   sum
+------
+311250
+(1 row)
+
+step wx1: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(15, 20) g;
+step wy2: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(1, 5) g;
+step c2: commit;
+step c1: commit;
+ERROR:  could not serialize access due to read/write dependencies among transactions
+
+starting permutation: rxy2 rxy1 wy2 wx1 c1 c2
+step rxy2: select sum(p[0]) from gist_point_tbl where p >> point(7500,7500);
+    sum
+-------
+2188750
+(1 row)
+
+step rxy1: select sum(p[0]) from gist_point_tbl where p << point(2500, 2500);
+   sum
+------
+311250
+(1 row)
+
+step wy2: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(1, 5) g;
+step wx1: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(15, 20) g;
+step c1: commit;
+step c2: commit;
+ERROR:  could not serialize access due to read/write dependencies among transactions
+
+starting permutation: rxy2 rxy1 wy2 wx1 c2 c1
+step rxy2: select sum(p[0]) from gist_point_tbl where p >> point(7500,7500);
+    sum
+-------
+2188750
+(1 row)
+
+step rxy1: select sum(p[0]) from gist_point_tbl where p << point(2500, 2500);
+   sum
+------
+311250
+(1 row)
+
+step wy2: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(1, 5) g;
+step wx1: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(15, 20) g;
+step c2: commit;
+step c1: commit;
+ERROR:  could not serialize access due to read/write dependencies among transactions
+
+starting permutation: rxy2 rxy1 wy2 c2 wx1 c1
+step rxy2: select sum(p[0]) from gist_point_tbl where p >> point(7500,7500);
+    sum
+-------
+2188750
+(1 row)
+
+step rxy1: select sum(p[0]) from gist_point_tbl where p << point(2500, 2500);
+   sum
+------
+311250
+(1 row)
+
+step wy2: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(1, 5) g;
+step c2: commit;
+step wx1: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(15, 20) g;
+ERROR:  could not serialize access due to read/write dependencies among transactions
+step c1: commit;
+
+starting permutation: rxy2 wy2 rxy1 wx1 c1 c2
+step rxy2: select sum(p[0]) from gist_point_tbl where p >> point(7500,7500);
+    sum
+-------
+2188750
+(1 row)
+
+step wy2: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(1, 5) g;
+step rxy1: select sum(p[0]) from gist_point_tbl where p << point(2500, 2500);
+   sum
+------
+311250
+(1 row)
+
+step wx1: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(15, 20) g;
+step c1: commit;
+step c2: commit;
+ERROR:  could not serialize access due to read/write dependencies among transactions
+
+starting permutation: rxy2 wy2 rxy1 wx1 c2 c1
+step rxy2: select sum(p[0]) from gist_point_tbl where p >> point(7500,7500);
+    sum
+-------
+2188750
+(1 row)
+
+step wy2: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(1, 5) g;
+step rxy1: select sum(p[0]) from gist_point_tbl where p << point(2500, 2500);
+   sum
+------
+311250
+(1 row)
+
+step wx1: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(15, 20) g;
+step c2: commit;
+step c1: commit;
+ERROR:  could not serialize access due to read/write dependencies among transactions
+
+starting permutation: rxy2 wy2 rxy1 c2 wx1 c1
+step rxy2: select sum(p[0]) from gist_point_tbl where p >> point(7500,7500);
+    sum
+-------
+2188750
+(1 row)
+
+step wy2: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(1, 5) g;
+step rxy1: select sum(p[0]) from gist_point_tbl where p << point(2500, 2500);
+   sum
+------
+311250
+(1 row)
+
+step c2: commit;
+step wx1: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(15, 20) g;
+ERROR:  could not serialize access due to read/write dependencies among transactions
+step c1: commit;
+
+starting permutation: rxy3 wx3 rxy4 c1 wy4 c2
+step rxy3: select sum(p[0]) from gist_point_tbl where p >> point(6000,6000);
+    sum
+-------
+3202000
+(1 row)
+
+step wx3: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(12, 18) g;
+step rxy4: select sum(p[0]) from gist_point_tbl where p << point(1000,1000);
+  sum
+-----
+49500
+(1 row)
+
+step c1: commit;
+step wy4: insert into gist_point_tbl (id, p)
+			  select g, point(g*50, g*50) from generate_series(1, 20) g;
+step c2: commit;
+
+starting permutation: rxy3 wx3 rxy4 wy4 c1 c2
+step rxy3: select sum(p[0]) from gist_point_tbl where p >> point(6000,6000);
+    sum
+-------
+3202000
+(1 row)
+
+step wx3: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(12, 18) g;
+step rxy4: select sum(p[0]) from gist_point_tbl where p << point(1000,1000);
+  sum
+-----
+49500
+(1 row)
+
+step wy4: insert into gist_point_tbl (id, p)
+			  select g, point(g*50, g*50) from generate_series(1, 20) g;
+step c1: commit;
+step c2: commit;
+
+starting permutation: rxy3 wx3 rxy4 wy4 c2 c1
+step rxy3: select sum(p[0]) from gist_point_tbl where p >> point(6000,6000);
+    sum
+-------
+3202000
+(1 row)
+
+step wx3: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(12, 18) g;
+step rxy4: select sum(p[0]) from gist_point_tbl where p << point(1000,1000);
+  sum
+-----
+49500
+(1 row)
+
+step wy4: insert into gist_point_tbl (id, p)
+			  select g, point(g*50, g*50) from generate_series(1, 20) g;
+step c2: commit;
+step c1: commit;
+
+starting permutation: rxy3 rxy4 wx3 c1 wy4 c2
+step rxy3: select sum(p[0]) from gist_point_tbl where p >> point(6000,6000);
+    sum
+-------
+3202000
+(1 row)
+
+step rxy4: select sum(p[0]) from gist_point_tbl where p << point(1000,1000);
+  sum
+-----
+49500
+(1 row)
+
+step wx3: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(12, 18) g;
+step c1: commit;
+step wy4: insert into gist_point_tbl (id, p)
+			  select g, point(g*50, g*50) from generate_series(1, 20) g;
+step c2: commit;
+
+starting permutation: rxy3 rxy4 wx3 wy4 c1 c2
+step rxy3: select sum(p[0]) from gist_point_tbl where p >> point(6000,6000);
+    sum
+-------
+3202000
+(1 row)
+
+step rxy4: select sum(p[0]) from gist_point_tbl where p << point(1000,1000);
+  sum
+-----
+49500
+(1 row)
+
+step wx3: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(12, 18) g;
+step wy4: insert into gist_point_tbl (id, p)
+			  select g, point(g*50, g*50) from generate_series(1, 20) g;
+step c1: commit;
+step c2: commit;
+
+starting permutation: rxy3 rxy4 wx3 wy4 c2 c1
+step rxy3: select sum(p[0]) from gist_point_tbl where p >> point(6000,6000);
+    sum
+-------
+3202000
+(1 row)
+
+step rxy4: select sum(p[0]) from gist_point_tbl where p << point(1000,1000);
+  sum
+-----
+49500
+(1 row)
+
+step wx3: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(12, 18) g;
+step wy4: insert into gist_point_tbl (id, p)
+			  select g, point(g*50, g*50) from generate_series(1, 20) g;
+step c2: commit;
+step c1: commit;
+
+starting permutation: rxy3 rxy4 wy4 wx3 c1 c2
+step rxy3: select sum(p[0]) from gist_point_tbl where p >> point(6000,6000);
+    sum
+-------
+3202000
+(1 row)
+
+step rxy4: select sum(p[0]) from gist_point_tbl where p << point(1000,1000);
+  sum
+-----
+49500
+(1 row)
+
+step wy4: insert into gist_point_tbl (id, p)
+			  select g, point(g*50, g*50) from generate_series(1, 20) g;
+step wx3: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(12, 18) g;
+step c1: commit;
+step c2: commit;
+
+starting permutation: rxy3 rxy4 wy4 wx3 c2 c1
+step rxy3: select sum(p[0]) from gist_point_tbl where p >> point(6000,6000);
+    sum
+-------
+3202000
+(1 row)
+
+step rxy4: select sum(p[0]) from gist_point_tbl where p << point(1000,1000);
+  sum
+-----
+49500
+(1 row)
+
+step wy4: insert into gist_point_tbl (id, p)
+			  select g, point(g*50, g*50) from generate_series(1, 20) g;
+step wx3: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(12, 18) g;
+step c2: commit;
+step c1: commit;
+
+starting permutation: rxy3 rxy4 wy4 c2 wx3 c1
+step rxy3: select sum(p[0]) from gist_point_tbl where p >> point(6000,6000);
+    sum
+-------
+3202000
+(1 row)
+
+step rxy4: select sum(p[0]) from gist_point_tbl where p << point(1000,1000);
+  sum
+-----
+49500
+(1 row)
+
+step wy4: insert into gist_point_tbl (id, p)
+			  select g, point(g*50, g*50) from generate_series(1, 20) g;
+step c2: commit;
+step wx3: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(12, 18) g;
+step c1: commit;
+
+starting permutation: rxy4 rxy3 wx3 c1 wy4 c2
+step rxy4: select sum(p[0]) from gist_point_tbl where p << point(1000,1000);
+  sum
+-----
+49500
+(1 row)
+
+step rxy3: select sum(p[0]) from gist_point_tbl where p >> point(6000,6000);
+    sum
+-------
+3202000
+(1 row)
+
+step wx3: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(12, 18) g;
+step c1: commit;
+step wy4: insert into gist_point_tbl (id, p)
+			  select g, point(g*50, g*50) from generate_series(1, 20) g;
+step c2: commit;
+
+starting permutation: rxy4 rxy3 wx3 wy4 c1 c2
+step rxy4: select sum(p[0]) from gist_point_tbl where p << point(1000,1000);
+  sum
+-----
+49500
+(1 row)
+
+step rxy3: select sum(p[0]) from gist_point_tbl where p >> point(6000,6000);
+    sum
+-------
+3202000
+(1 row)
+
+step wx3: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(12, 18) g;
+step wy4: insert into gist_point_tbl (id, p)
+			  select g, point(g*50, g*50) from generate_series(1, 20) g;
+step c1: commit;
+step c2: commit;
+
+starting permutation: rxy4 rxy3 wx3 wy4 c2 c1
+step rxy4: select sum(p[0]) from gist_point_tbl where p << point(1000,1000);
+  sum
+-----
+49500
+(1 row)
+
+step rxy3: select sum(p[0]) from gist_point_tbl where p >> point(6000,6000);
+    sum
+-------
+3202000
+(1 row)
+
+step wx3: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(12, 18) g;
+step wy4: insert into gist_point_tbl (id, p)
+			  select g, point(g*50, g*50) from generate_series(1, 20) g;
+step c2: commit;
+step c1: commit;
+
+starting permutation: rxy4 rxy3 wy4 wx3 c1 c2
+step rxy4: select sum(p[0]) from gist_point_tbl where p << point(1000,1000);
+  sum
+-----
+49500
+(1 row)
+
+step rxy3: select sum(p[0]) from gist_point_tbl where p >> point(6000,6000);
+    sum
+-------
+3202000
+(1 row)
+
+step wy4: insert into gist_point_tbl (id, p)
+			  select g, point(g*50, g*50) from generate_series(1, 20) g;
+step wx3: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(12, 18) g;
+step c1: commit;
+step c2: commit;
+
+starting permutation: rxy4 rxy3 wy4 wx3 c2 c1
+step rxy4: select sum(p[0]) from gist_point_tbl where p << point(1000,1000);
+  sum
+-----
+49500
+(1 row)
+
+step rxy3: select sum(p[0]) from gist_point_tbl where p >> point(6000,6000);
+    sum
+-------
+3202000
+(1 row)
+
+step wy4: insert into gist_point_tbl (id, p)
+			  select g, point(g*50, g*50) from generate_series(1, 20) g;
+step wx3: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(12, 18) g;
+step c2: commit;
+step c1: commit;
+
+starting permutation: rxy4 rxy3 wy4 c2 wx3 c1
+step rxy4: select sum(p[0]) from gist_point_tbl where p << point(1000,1000);
+  sum
+-----
+49500
+(1 row)
+
+step rxy3: select sum(p[0]) from gist_point_tbl where p >> point(6000,6000);
+    sum
+-------
+3202000
+(1 row)
+
+step wy4: insert into gist_point_tbl (id, p)
+			  select g, point(g*50, g*50) from generate_series(1, 20) g;
+step c2: commit;
+step wx3: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(12, 18) g;
+step c1: commit;
+
+starting permutation: rxy4 wy4 rxy3 wx3 c1 c2
+step rxy4: select sum(p[0]) from gist_point_tbl where p << point(1000,1000);
+  sum
+-----
+49500
+(1 row)
+
+step wy4: insert into gist_point_tbl (id, p)
+			  select g, point(g*50, g*50) from generate_series(1, 20) g;
+step rxy3: select sum(p[0]) from gist_point_tbl where p >> point(6000,6000);
+    sum
+-------
+3202000
+(1 row)
+
+step wx3: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(12, 18) g;
+step c1: commit;
+step c2: commit;
+
+starting permutation: rxy4 wy4 rxy3 wx3 c2 c1
+step rxy4: select sum(p[0]) from gist_point_tbl where p << point(1000,1000);
+  sum
+-----
+49500
+(1 row)
+
+step wy4: insert into gist_point_tbl (id, p)
+			  select g, point(g*50, g*50) from generate_series(1, 20) g;
+step rxy3: select sum(p[0]) from gist_point_tbl where p >> point(6000,6000);
+    sum
+-------
+3202000
+(1 row)
+
+step wx3: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(12, 18) g;
+step c2: commit;
+step c1: commit;
+
+starting permutation: rxy4 wy4 rxy3 c2 wx3 c1
+step rxy4: select sum(p[0]) from gist_point_tbl where p << point(1000,1000);
+  sum
+-----
+49500
+(1 row)
+
+step wy4: insert into gist_point_tbl (id, p)
+			  select g, point(g*50, g*50) from generate_series(1, 20) g;
+step rxy3: select sum(p[0]) from gist_point_tbl where p >> point(6000,6000);
+    sum
+-------
+3202000
+(1 row)
+
+step c2: commit;
+step wx3: insert into gist_point_tbl (id, p)
+			  select g, point(g*500, g*500) from generate_series(12, 18) g;
+step c1: commit;