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Merge pull request #1070 from citusdata/feature/where_is_null 

Add null clause test cases to router planner regression tests
pull/1073/head
Murat Tuncer 2016-12-29 09:51:25 +02:00 committed by GitHub
parent 2b90620f15 fc01a47ea4
commit 29e5e3e715
2 changed files with 34 additions and 2 deletions
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24
src/test/regress/expected/multi_router_planner.out
View File

@ -1385,6 +1385,26 @@ DEBUG: Plan is router executable
--------------+-------------------
(0 rows)
-- partition_column is null clause does not prune out any shards,
-- all shards remain after shard pruning, not router plannable
SELECT *
FROM articles_hash a
WHERE a.author_id is null;
id | author_id | title | word_count
----+-----------+-------+------------
(0 rows)
-- partition_column equals to null clause prunes out all shards
-- no shards after shard pruning, router plannable
SELECT *
FROM articles_hash a
WHERE a.author_id = null;
DEBUG: Creating router plan
DEBUG: Plan is router executable
id | author_id | title | word_count
----+-----------+-------+------------
(0 rows)
-- stable function returning bool
SELECT *
FROM articles_hash a
@ -1595,7 +1615,7 @@ WARNING: relation "public.articles_range" does not exist
CONTEXT: while executing command on localhost:57637
WARNING: relation "public.articles_range" does not exist
CONTEXT: while executing command on localhost:57637
ERROR: failed to execute job 840020
ERROR: failed to execute job 840021
DETAIL: Failure due to failed task 2
-- same query with where false but evaluation left to worker
SELECT author_id FROM articles_range
@ -1611,7 +1631,7 @@ WARNING: relation "public.articles_range" does not exist
CONTEXT: while executing command on localhost:57637
WARNING: relation "public.articles_range" does not exist
CONTEXT: while executing command on localhost:57637
ERROR: failed to execute job 840021
ERROR: failed to execute job 840022
DETAIL: Failure due to failed task 2
-- same query on router planner with where false but evaluation left to worker
SELECT author_id FROM articles_single_shard_hash

12
src/test/regress/sql/multi_router_planner.sql
View File

@ -580,6 +580,18 @@ SELECT a.author_id as first_author, b.word_count as second_word_count
FROM articles_hash a, articles_single_shard_hash b
WHERE a.author_id = 10 and a.author_id = b.author_id and int4eq(1, 2);
-- partition_column is null clause does not prune out any shards,
-- all shards remain after shard pruning, not router plannable
SELECT *
FROM articles_hash a
WHERE a.author_id is null;
-- partition_column equals to null clause prunes out all shards
-- no shards after shard pruning, router plannable
SELECT *
FROM articles_hash a
WHERE a.author_id = null;
-- stable function returning bool
SELECT *
FROM articles_hash a