Add test t distinct

test/regress/schedule/router

@@ -10,3 +10,4 @@ test: single_shard_joins
 test: multishard
 test: error
 test: routing_hint
+test: distinct

test/regress/tests/router/expected/distinct.out

@@ -0,0 +1,57 @@
+\c spqr-console
+
+		SQPR router admin console
+	Here you can configure your routing rules
+------------------------------------------------
+	You can find documentation here 
+https://github.com/pg-sharding/spqr/tree/master/docs
+
+ADD SHARDING RULE t1 COLUMNS id;
+                          add sharding rule                           
+----------------------------------------------------------------------
+ created sharding rule t1 for table (*) with columns [id, hash: x->x]
+(1 row)
+
+ADD KEY RANGE krid1 FROM 1 TO 11 ROUTE TO sh1;
+         add key range          
+--------------------------------
+ created key range from 1 to 11
+(1 row)
+
+ADD KEY RANGE krid2 FROM 11 TO 101 ROUTE TO sh2;
+          add key range           
+----------------------------------
+ created key range from 11 to 101
+(1 row)
+
+\c regress
+CREATE TABLE test_dist(id int);
+NOTICE: send query to shard(s) : sh1,sh2
+INSERT INTO test_dist(id) VALUES(5);
+NOTICE: send query to shard(s) : sh1
+INSERT INTO test_dist(id) VALUES(5);
+NOTICE: send query to shard(s) : sh1
+INSERT INTO test_dist(id) VALUES(5);
+NOTICE: send query to shard(s) : sh1
+INSERT INTO test_dist(id) VALUES(5);
+NOTICE: send query to shard(s) : sh1
+INSERT INTO test_dist(id) VALUES(5);
+NOTICE: send query to shard(s) : sh1
+SELECT id FROM test_dist WHERE id=5;
+NOTICE: send query to shard(s) : sh1
+ id 
+----
+  5
+  5
+  5
+  5
+  5
+(5 rows)
+
+SELECT DISTINCT id FROM test_dist WHERE id=5;
+NOTICE: send query to shard(s) : sh1
+ id 
+----
+  5
+(1 row)
+

test/regress/tests/router/expected/routing_hint.out

@@ -31,3 +31,22 @@ INSERT INTO test(id, age) VALUES (10, 16) /*sharding_key: 30*/;
 NOTICE: send query to shard(s) : sh2
 INSERT INTO test(id, age) VALUES (10, 16) /*sharding_key: 3000*/;
 NOTICE: send query to shard(s) : sh1
+\c spqr-console
+
+		SQPR router admin console
+	Here you can configure your routing rules
+------------------------------------------------
+	You can find documentation here 
+https://github.com/pg-sharding/spqr/tree/master/docs
+
+DROP KEY RANGE ALL;
+ drop key range 
+----------------
+(0 rows)
+
+DROP SHARDING RULE ALL;
+    drop sharding rule    
+--------------------------
+ dropped sharding rule t1
+(1 row)
+

test/regress/tests/router/sql/distinct.sql

@@ -0,0 +1,16 @@
+\c spqr-console
+
+ADD SHARDING RULE t1 COLUMNS id;
+ADD KEY RANGE krid1 FROM 1 TO 11 ROUTE TO sh1;
+ADD KEY RANGE krid2 FROM 11 TO 101 ROUTE TO sh2;
+
+\c regress
+
+CREATE TABLE test_dist(id int);
+INSERT INTO test_dist(id) VALUES(5);
+INSERT INTO test_dist(id) VALUES(5);
+INSERT INTO test_dist(id) VALUES(5);
+INSERT INTO test_dist(id) VALUES(5);
+INSERT INTO test_dist(id) VALUES(5);
+SELECT id FROM test_dist WHERE id=5;
+SELECT DISTINCT id FROM test_dist WHERE id=5;

test/regress/tests/router/sql/routing_hint.sql

@@ -8,4 +8,7 @@ ADD KEY RANGE krid2 FROM 11 TO 101 ROUTE TO sh2;
 
 CREATE TABLE test(id int, age int);
 INSERT INTO test(id, age) VALUES (10, 16) /*sharding_key: 30*/;
-INSERT INTO test(id, age) VALUES (10, 16) /*sharding_key: 3000*/;
+INSERT INTO test(id, age) VALUES (10, 16) /*sharding_key: 3000*/;
+\c spqr-console
+DROP KEY RANGE ALL;
+DROP SHARDING RULE ALL;