snapfs_set_backend_snapshot_table test passed

Author: rzharkov

src/test/isolation/expected/snapfs_get_snapshot_size.out

@@ -16,6 +16,3 @@ pg_get_snapshot_size
 size_not_zero  
 
 t              
-pg_remove_snapshot
-
-               

src/test/isolation/snap_schedule

@@ -1,9 +1,11 @@
 test: snapfs_switch_to_snapshot_three_backends
 test: snapfs_switch_to_snapshot_sequence
 test: snapfs_revert_to_snapshot_sequence
+test: snapfs_revert_to_snapshot_table
 test: snapfs_set_backend_snapshot_sequence
+test: snapfs_set_backend_snapshot_table
+test: snapfs_get_snapshot_size
 test: snapfs_get_snapshot_timestamp
-test: snapfs_revert_to_snapshot_table
 test: snapfs_switch_to_snapshot_table
 test: snapfs_switch_to_snapshot_temp_table
 test: snapfs_switch_to_snapshot_temp_table_2

src/test/isolation/specs/snapfs_set_backend_snapshot_table.spec

@@ -0,0 +1,56 @@
+# Table testing.
+
+setup {
+	create table foo( id serial not null primary key, name varchar );
+}
+
+teardown {
+	select pg_set_backend_snapshot( 0 );
+	select pg_remove_snapshot( ( select recent_snapshot from pg_control_snapshot() ) );
+	drop table foo;
+}
+
+session "s1"
+step "s1_mk_sn" {
+	select 1 as "make_snapshot" from pg_make_snapshot();
+}
+
+step "s1_sb_sn_1" {
+	select pg_set_backend_snapshot( ( select recent_snapshot - 1 from pg_control_snapshot() ) );
+}
+
+step "s1_sb_sn_2" {
+	select pg_set_backend_snapshot( ( select recent_snapshot from pg_control_snapshot() ) );
+}
+
+step "s1_sb_sn_0" {
+	select pg_set_backend_snapshot( 0 );
+}
+
+step "s1_tab_i" {
+	insert into foo ( name ) values ( 'some_text_sess_1' );
+}
+
+step "s1_tab_s" {
+	select * from foo;
+}
+
+session "s2"
+step "s2_tab_i" {
+	insert into foo ( name ) values ( 'some_text_sess_2' );
+}
+
+step "s2_tab_u" {
+	update foo set name = name || '_upd_sess_2';
+}
+
+step "s2_tab_s" {
+	select * from foo;
+}
+
+step "s2_rm_sn_1" {
+	select pg_remove_snapshot( ( select recent_snapshot - 1 from pg_control_snapshot() ) );
+}
+
+permutation "s1_mk_sn" "s1_tab_i" "s2_tab_i" "s1_mk_sn" "s2_tab_u" "s1_tab_s" "s2_tab_s" "s1_sb_sn_1" "s1_tab_s" "s2_tab_s" "s1_sb_sn_2" "s2_tab_u" "s1_tab_s" "s2_tab_s" "s1_sb_sn_0" "s2_tab_u" "s1_tab_s" "s2_tab_s"
+#permutation "s1_mk_sn" "s1_tab_i" "s2_tab_i" "s1_mk_sn" "s2_tab_u" "s1_sb_sn_1" "s1_tab_s" "s2_rm_sn_1" "s1_sb_sn_0" "s1_tab_s" "s2_tab_s"