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funbringerfunbringer
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add more tests for UPDATE/DELETE on PostgreSQL 9.5 (issue #77)
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‎Makefile

+2-1
Original file line numberDiff line numberDiff line change
@@ -53,7 +53,8 @@ REGRESS = pathman_array_qual \
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pathman_runtime_nodes \
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pathman_update_trigger \
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pathman_upd_del \
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pathman_utility_stmt
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pathman_utility_stmt \
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pathman_views
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EXTRA_REGRESS_OPTS=--temp-config=$(top_srcdir)/$(subdir)/conf.add
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‎expected/pathman_views.out

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/*
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* -------------------------------------------
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* NOTE: This test behaves differenly on 9.5
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* -------------------------------------------
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*/
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\set VERBOSITY terse
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SET search_path = 'public';
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CREATE EXTENSION pg_pathman;
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CREATE SCHEMA views;
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/* create a partitioned table */
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create table views._abc(id int4 not null);
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select create_hash_partitions('views._abc', 'id', 10);
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create_hash_partitions
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------------------------
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10
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(1 row)
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insert into views._abc select generate_series(1, 100);
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/* create a facade view */
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create view views.abc as select * from views._abc;
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create or replace function views.disable_modification()
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returns trigger as
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$$
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BEGIN
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RAISE EXCEPTION '%', TG_OP;
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RETURN NULL;
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END;
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$$
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language 'plpgsql';
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create trigger abc_mod_tr
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instead of insert or update or delete
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on views.abc for each row
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execute procedure views.disable_modification();
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/* Test SELECT */
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explain (costs off) select * from views.abc;
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QUERY PLAN
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--------------------------
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Append
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-> Seq Scan on _abc_0
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-> Seq Scan on _abc_1
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-> Seq Scan on _abc_2
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-> Seq Scan on _abc_3
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-> Seq Scan on _abc_4
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-> Seq Scan on _abc_5
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-> Seq Scan on _abc_6
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-> Seq Scan on _abc_7
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-> Seq Scan on _abc_8
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-> Seq Scan on _abc_9
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(11 rows)
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explain (costs off) select * from views.abc where id = 1;
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QUERY PLAN
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--------------------------
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Append
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-> Seq Scan on _abc_0
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Filter: (id = 1)
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(3 rows)
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select count (*) from views.abc;
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count
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-------
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100
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(1 row)
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/* Test INSERT */
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explain (costs off) insert into views.abc values (1);
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QUERY PLAN
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---------------
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Insert on abc
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-> Result
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(2 rows)
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insert into views.abc values (1);
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ERROR: INSERT
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/* Test UPDATE */
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explain (costs off) update views.abc set id = 2 where id = 1 or id = 2;
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QUERY PLAN
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--------------------------------------
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Update on abc
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-> Result
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-> Append
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-> Seq Scan on _abc_0
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Filter: (id = 1)
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-> Seq Scan on _abc_6
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Filter: (id = 2)
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(7 rows)
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update views.abc set id = 2 where id = 1 or id = 2;
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ERROR: UPDATE
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/* Test DELETE */
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explain (costs off) delete from views.abc where id = 1 or id = 2;
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QUERY PLAN
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--------------------------------------
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Delete on abc
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-> Result
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-> Append
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-> Seq Scan on _abc_0
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Filter: (id = 1)
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-> Seq Scan on _abc_6
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Filter: (id = 2)
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(7 rows)
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delete from views.abc where id = 1 or id = 2;
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ERROR: DELETE
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DROP SCHEMA views CASCADE;
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NOTICE: drop cascades to 13 other objects
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DROP EXTENSION pg_pathman;

‎expected/pathman_views_1.out

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/*
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* -------------------------------------------
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* NOTE: This test behaves differenly on 9.5
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* -------------------------------------------
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*/
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\set VERBOSITY terse
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SET search_path = 'public';
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CREATE EXTENSION pg_pathman;
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CREATE SCHEMA views;
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/* create a partitioned table */
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create table views._abc(id int4 not null);
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select create_hash_partitions('views._abc', 'id', 10);
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create_hash_partitions
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------------------------
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10
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(1 row)
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insert into views._abc select generate_series(1, 100);
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/* create a facade view */
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create view views.abc as select * from views._abc;
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create or replace function views.disable_modification()
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returns trigger as
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$$
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BEGIN
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RAISE EXCEPTION '%', TG_OP;
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RETURN NULL;
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END;
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$$
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language 'plpgsql';
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create trigger abc_mod_tr
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instead of insert or update or delete
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on views.abc for each row
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execute procedure views.disable_modification();
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/* Test SELECT */
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explain (costs off) select * from views.abc;
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QUERY PLAN
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--------------------------
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Append
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-> Seq Scan on _abc_0
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-> Seq Scan on _abc_1
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-> Seq Scan on _abc_2
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-> Seq Scan on _abc_3
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-> Seq Scan on _abc_4
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-> Seq Scan on _abc_5
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-> Seq Scan on _abc_6
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-> Seq Scan on _abc_7
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-> Seq Scan on _abc_8
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-> Seq Scan on _abc_9
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(11 rows)
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explain (costs off) select * from views.abc where id = 1;
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QUERY PLAN
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--------------------------
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Append
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-> Seq Scan on _abc_0
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Filter: (id = 1)
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(3 rows)
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select count (*) from views.abc;
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count
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-------
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100
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(1 row)
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/* Test INSERT */
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explain (costs off) insert into views.abc values (1);
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QUERY PLAN
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---------------
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Insert on abc
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-> Result
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(2 rows)
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insert into views.abc values (1);
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ERROR: INSERT
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/* Test UPDATE */
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explain (costs off) update views.abc set id = 2 where id = 1 or id = 2;
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QUERY PLAN
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----------------------------------------------------
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Update on abc
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-> Result
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-> Append
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-> Seq Scan on _abc
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Filter: ((id = 1) OR (id = 2))
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-> Seq Scan on _abc_0
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Filter: ((id = 1) OR (id = 2))
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-> Seq Scan on _abc_1
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Filter: ((id = 1) OR (id = 2))
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-> Seq Scan on _abc_2
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Filter: ((id = 1) OR (id = 2))
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-> Seq Scan on _abc_3
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Filter: ((id = 1) OR (id = 2))
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-> Seq Scan on _abc_4
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Filter: ((id = 1) OR (id = 2))
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-> Seq Scan on _abc_5
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Filter: ((id = 1) OR (id = 2))
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-> Seq Scan on _abc_6
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Filter: ((id = 1) OR (id = 2))
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-> Seq Scan on _abc_7
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Filter: ((id = 1) OR (id = 2))
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-> Seq Scan on _abc_8
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Filter: ((id = 1) OR (id = 2))
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-> Seq Scan on _abc_9
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Filter: ((id = 1) OR (id = 2))
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(25 rows)
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update views.abc set id = 2 where id = 1 or id = 2;
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ERROR: UPDATE
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/* Test DELETE */
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explain (costs off) delete from views.abc where id = 1 or id = 2;
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QUERY PLAN
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----------------------------------------------------
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Delete on abc
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-> Result
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-> Append
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-> Seq Scan on _abc
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Filter: ((id = 1) OR (id = 2))
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-> Seq Scan on _abc_0
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Filter: ((id = 1) OR (id = 2))
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-> Seq Scan on _abc_1
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Filter: ((id = 1) OR (id = 2))
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-> Seq Scan on _abc_2
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Filter: ((id = 1) OR (id = 2))
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-> Seq Scan on _abc_3
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Filter: ((id = 1) OR (id = 2))
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-> Seq Scan on _abc_4
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Filter: ((id = 1) OR (id = 2))
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-> Seq Scan on _abc_5
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Filter: ((id = 1) OR (id = 2))
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-> Seq Scan on _abc_6
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Filter: ((id = 1) OR (id = 2))
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-> Seq Scan on _abc_7
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Filter: ((id = 1) OR (id = 2))
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-> Seq Scan on _abc_8
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Filter: ((id = 1) OR (id = 2))
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-> Seq Scan on _abc_9
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Filter: ((id = 1) OR (id = 2))
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(25 rows)
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delete from views.abc where id = 1 or id = 2;
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ERROR: DELETE
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DROP SCHEMA views CASCADE;
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NOTICE: drop cascades to 13 other objects
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DROP EXTENSION pg_pathman;

‎sql/pathman_views.sql

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@@ -0,0 +1,63 @@
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/*
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* -------------------------------------------
3+
* NOTE: This test behaves differenly on 9.5
4+
* -------------------------------------------
5+
*/
6+
7+
\set VERBOSITY terse
8+
9+
SET search_path = 'public';
10+
CREATE EXTENSION pg_pathman;
11+
CREATE SCHEMA views;
12+
13+
14+
15+
/* create a partitioned table */
16+
create table views._abc(id int4 not null);
17+
select create_hash_partitions('views._abc', 'id', 10);
18+
insert into views._abc select generate_series(1, 100);
19+
20+
21+
/* create a facade view */
22+
create view views.abc as select * from views._abc;
23+
24+
create or replace function views.disable_modification()
25+
returns trigger as
26+
$$
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BEGIN
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RAISE EXCEPTION '%', TG_OP;
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RETURN NULL;
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END;
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$$
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language 'plpgsql';
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create trigger abc_mod_tr
35+
instead of insert or update or delete
36+
on views.abc for each row
37+
execute procedure views.disable_modification();
38+
39+
40+
/* Test SELECT */
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explain (costs off) select * from views.abc;
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explain (costs off) select * from views.abc where id = 1;
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select count (*) from views.abc;
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45+
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/* Test INSERT */
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explain (costs off) insert into views.abc values (1);
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insert into views.abc values (1);
49+
50+
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/* Test UPDATE */
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explain (costs off) update views.abc set id = 2 where id = 1 or id = 2;
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update views.abc set id = 2 where id = 1 or id = 2;
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/* Test DELETE */
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explain (costs off) delete from views.abc where id = 1 or id = 2;
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delete from views.abc where id = 1 or id = 2;
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DROP SCHEMA views CASCADE;
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DROP EXTENSION pg_pathman;

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