Add test for zero-shard SELECT queries

Uses a query with clauses that are impossible to satisfy.
citusdata · Feb 6, 2015 · d5e772d · d5e772d
1 parent 4171ff6
commit d5e772d
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diff --git a/expected/queries.out b/expected/queries.out
@@ -78,6 +78,13 @@ INSERT INTO articles VALUES (47,  7, 'abeyance', 1772);
 INSERT INTO articles VALUES (48,  8, 'alkylic', 18610);
 INSERT INTO articles VALUES (49,  9, 'anyone', 2681);
 INSERT INTO articles VALUES (50, 10, 'anjanette', 19519);
+-- first, test zero-shard query
+SELECT COUNT(*) FROM articles WHERE author_id = 1 AND author_id = 2;
+ count 
+-------
+     0
+(1 row)
+
 -- single-shard tests
 -- test simple select for a single row
 SELECT * FROM articles WHERE author_id = 10 AND id = 50;

diff --git a/sql/queries.sql b/sql/queries.sql
@@ -69,6 +69,9 @@ INSERT INTO articles VALUES (48,  8, 'alkylic', 18610);
 INSERT INTO articles VALUES (49,  9, 'anyone', 2681);
 INSERT INTO articles VALUES (50, 10, 'anjanette', 19519);
 
+-- first, test zero-shard query
+SELECT COUNT(*) FROM articles WHERE author_id = 1 AND author_id = 2;
+
 -- single-shard tests
 
 -- test simple select for a single row