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Posted to commits@phoenix.apache.org by ja...@apache.org on 2017/09/29 01:24:39 UTC

[05/25] phoenix git commit: PHOENIX-4246 Breakup join related tests into several integration tests so as not to create too many tables in one test

http://git-wip-us.apache.org/repos/asf/phoenix/blob/ee20a8c9/phoenix-core/src/it/java/org/apache/phoenix/end2end/join/HashJoinNoIndexIT.java
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diff --git a/phoenix-core/src/it/java/org/apache/phoenix/end2end/join/HashJoinNoIndexIT.java b/phoenix-core/src/it/java/org/apache/phoenix/end2end/join/HashJoinNoIndexIT.java
new file mode 100644
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+++ b/phoenix-core/src/it/java/org/apache/phoenix/end2end/join/HashJoinNoIndexIT.java
@@ -0,0 +1,391 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.phoenix.end2end.join;
+
+import java.util.Collection;
+import java.util.List;
+
+import org.junit.runners.Parameterized.Parameters;
+
+import com.google.common.collect.Lists;
+
+public class HashJoinNoIndexIT extends HashJoinIT {
+
+    public HashJoinNoIndexIT(String[] indexDDL, String[] plans) {
+        super(indexDDL, plans);
+    }
+
+    @Parameters
+    public static Collection<Object> data() {
+        List<Object> testCases = Lists.newArrayList();
+        testCases.add(new String[][] {
+                {}, {
+                /* 
+                 * testLeftJoinWithAggregation()
+                 *     SELECT i.name, sum(quantity) FROM joinOrderTable o 
+                 *     LEFT JOIN joinItemTable i ON o.item_id = i.item_id 
+                 *     GROUP BY i.name ORDER BY i.name
+                 */     
+                "CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ORDER_TABLE_FULL_NAME + "\n" +
+                "    SERVER AGGREGATE INTO DISTINCT ROWS BY [I.NAME]\n" +
+                "CLIENT MERGE SORT\n" +
+                "    PARALLEL LEFT-JOIN TABLE 0\n" +
+                "        CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ITEM_TABLE_FULL_NAME,
+                /* 
+                 * testLeftJoinWithAggregation()
+                 *     SELECT i.item_id iid, sum(quantity) q FROM joinOrderTable o 
+                 *     LEFT JOIN joinItemTable i ON o.item_id = i.item_id 
+                 *     GROUP BY i.item_id ORDER BY q DESC"
+                 */     
+                "CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ORDER_TABLE_FULL_NAME + "\n" +
+                "    SERVER AGGREGATE INTO DISTINCT ROWS BY [\"I.item_id\"]\n" +
+                "CLIENT MERGE SORT\n" +
+                "CLIENT SORTED BY [SUM(O.QUANTITY) DESC]\n" +
+                "    PARALLEL LEFT-JOIN TABLE 0\n" +
+                "        CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ITEM_TABLE_FULL_NAME + "\n" +
+                "            SERVER FILTER BY FIRST KEY ONLY",
+                /* 
+                 * testLeftJoinWithAggregation()
+                 *     SELECT i.item_id iid, sum(quantity) q FROM joinItemTable i 
+                 *     LEFT JOIN joinOrderTable o ON o.item_id = i.item_id 
+                 *     GROUP BY i.item_id ORDER BY q DESC NULLS LAST, iid
+                 */     
+                "CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ITEM_TABLE_FULL_NAME + "\n" +
+                "    SERVER FILTER BY FIRST KEY ONLY\n" +
+                "    SERVER AGGREGATE INTO ORDERED DISTINCT ROWS BY [\"I.item_id\"]\n" +
+                "CLIENT SORTED BY [SUM(O.QUANTITY) DESC NULLS LAST, \"I.item_id\"]\n" +
+                "    PARALLEL LEFT-JOIN TABLE 0\n" +
+                "        CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ORDER_TABLE_FULL_NAME,
+                /* 
+                 * testRightJoinWithAggregation()
+                 *     SELECT i.name, sum(quantity) FROM joinOrderTable o 
+                 *     RIGHT JOIN joinItemTable i ON o.item_id = i.item_id 
+                 *     GROUP BY i.name ORDER BY i.name
+                 */
+                "CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ITEM_TABLE_FULL_NAME + "\n" +
+                "    SERVER AGGREGATE INTO DISTINCT ROWS BY [I.NAME]\n" +
+                "CLIENT MERGE SORT\n" +
+                "    PARALLEL LEFT-JOIN TABLE 0\n" +
+                "        CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ORDER_TABLE_FULL_NAME,
+                /*
+                 * testRightJoinWithAggregation()
+                 *     SELECT i.item_id iid, sum(quantity) q FROM joinOrderTable o 
+                 *     RIGHT JOIN joinItemTable i ON o.item_id = i.item_id 
+                 *     GROUP BY i.item_id ORDER BY q DESC NULLS LAST, iid
+                 */
+                "CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ITEM_TABLE_FULL_NAME + "\n" +
+                "    SERVER FILTER BY FIRST KEY ONLY\n" +
+                "    SERVER AGGREGATE INTO ORDERED DISTINCT ROWS BY [\"I.item_id\"]\n" +
+                "CLIENT SORTED BY [SUM(O.QUANTITY) DESC NULLS LAST, \"I.item_id\"]\n" +
+                "    PARALLEL LEFT-JOIN TABLE 0\n" +
+                "        CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ORDER_TABLE_FULL_NAME,
+                /*
+                 * testJoinWithWildcard()
+                 *     SELECT * FROM joinItemTable LEFT JOIN joinSupplierTable supp 
+                 *     ON joinItemTable.supplier_id = supp.supplier_id 
+                 *     ORDER BY item_id
+                 */
+                "CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ITEM_TABLE_FULL_NAME + "\n" + 
+                "    PARALLEL LEFT-JOIN TABLE 0\n" +
+                "        CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_SUPPLIER_TABLE_FULL_NAME,
+                /*
+                 * testJoinPlanWithIndex()
+                 *     SELECT item.item_id, item.name, supp.supplier_id, supp.name 
+                 *     FROM joinItemTable item LEFT JOIN joinSupplierTable supp 
+                 *     ON substr(item.name, 2, 1) = substr(supp.name, 2, 1) 
+                 *         AND (supp.name BETWEEN 'S1' AND 'S5') 
+                 *     WHERE item.name BETWEEN 'T1' AND 'T5'
+                 */
+                "CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ITEM_TABLE_FULL_NAME + "\n" +
+                "    SERVER FILTER BY (NAME >= 'T1' AND NAME <= 'T5')\n" +
+                "    PARALLEL LEFT-JOIN TABLE 0\n" +
+                "        CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_SUPPLIER_TABLE_FULL_NAME + "\n" +
+                "            SERVER FILTER BY (NAME >= 'S1' AND NAME <= 'S5')",
+                /*
+                 * testJoinPlanWithIndex()
+                 *     SELECT item.item_id, item.name, supp.supplier_id, supp.name 
+                 *     FROM joinItemTable item INNER JOIN joinSupplierTable supp 
+                 *     ON item.supplier_id = supp.supplier_id 
+                 *     WHERE (item.name = 'T1' OR item.name = 'T5') 
+                 *         AND (supp.name = 'S1' OR supp.name = 'S5')
+                 */
+                "CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ITEM_TABLE_FULL_NAME + "\n" +
+                "    SERVER FILTER BY (NAME = 'T1' OR NAME = 'T5')\n" +
+                "    PARALLEL INNER-JOIN TABLE 0\n" +
+                "        CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_SUPPLIER_TABLE_FULL_NAME + "\n" +
+                "            SERVER FILTER BY (NAME = 'S1' OR NAME = 'S5')",
+                /*
+                 * testJoinWithSkipMergeOptimization()
+                 *     SELECT s.name FROM joinItemTable i 
+                 *     JOIN joinOrderTable o ON o.item_id = i.item_id AND quantity < 5000 
+                 *     JOIN joinSupplierTable s ON i.supplier_id = s.supplier_id
+                 */
+                "CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ITEM_TABLE_FULL_NAME + "\n" +
+                "    PARALLEL INNER-JOIN TABLE 0 (SKIP MERGE)\n" +
+                "        CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ORDER_TABLE_FULL_NAME + "\n" +
+                "            SERVER FILTER BY QUANTITY < 5000\n" +
+                "    PARALLEL INNER-JOIN TABLE 1\n" +
+                "        CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_SUPPLIER_TABLE_FULL_NAME + "\n" +
+                "    DYNAMIC SERVER FILTER BY \"I.item_id\" IN (\"O.item_id\")",
+                /*
+                 * testSelfJoin()
+                 *     SELECT i2.item_id, i1.name FROM joinItemTable i1 
+                 *     JOIN joinItemTable i2 ON i1.item_id = i2.item_id 
+                 *     ORDER BY i1.item_id
+                 */
+                "CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ITEM_TABLE_FULL_NAME + "\n" +
+                "    PARALLEL INNER-JOIN TABLE 0\n" +
+                "        CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ITEM_TABLE_FULL_NAME + "\n" +
+                "            SERVER FILTER BY FIRST KEY ONLY\n" +
+                "    DYNAMIC SERVER FILTER BY \"I1.item_id\" IN (\"I2.item_id\")",
+                /*
+                 * testSelfJoin()
+                 *     SELECT i1.name, i2.name FROM joinItemTable i1 
+                 *     JOIN joinItemTable i2 ON i1.item_id = i2.supplier_id 
+                 *     ORDER BY i1.name, i2.name
+                 */
+                "CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ITEM_TABLE_FULL_NAME + "\n" +
+                "    SERVER SORTED BY [I1.NAME, I2.NAME]\n" +
+                "CLIENT MERGE SORT\n" +
+                "    PARALLEL INNER-JOIN TABLE 0\n" +
+                "        CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ITEM_TABLE_FULL_NAME + "\n" +
+                "    DYNAMIC SERVER FILTER BY \"I1.item_id\" IN (\"I2.supplier_id\")",
+                /*
+                 * testStarJoin()
+                 *     SELECT order_id, c.name, i.name iname, quantity, o.date 
+                 *     FROM joinOrderTable o 
+                 *     JOIN joinCustomerTable c ON o.customer_id = c.customer_id 
+                 *     JOIN joinItemTable i ON o.item_id = i.item_id 
+                 *     ORDER BY order_id
+                 */
+                "CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ORDER_TABLE_FULL_NAME + "\n" +
+                "    PARALLEL INNER-JOIN TABLE 0\n" +
+                "        CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_CUSTOMER_TABLE_FULL_NAME + "\n" +
+                "    PARALLEL INNER-JOIN TABLE 1\n" +
+                "        CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ITEM_TABLE_FULL_NAME,
+                /*
+                 * testStarJoin()
+                 *     SELECT (*NO_STAR_JOIN*) order_id, c.name, i.name iname, quantity, o.date 
+                 *     FROM joinOrderTable o 
+                 *     JOIN joinCustomerTable c ON o.customer_id = c.customer_id 
+                 *     JOIN joinItemTable i ON o.item_id = i.item_id 
+                 *     ORDER BY order_id
+                 */
+                "CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ITEM_TABLE_FULL_NAME + "\n" +
+                "    SERVER SORTED BY [\"O.order_id\"]\n" +
+                "CLIENT MERGE SORT\n" +
+                "    PARALLEL INNER-JOIN TABLE 0\n" +
+                "        CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ORDER_TABLE_FULL_NAME + "\n" +
+                "            PARALLEL INNER-JOIN TABLE 0\n" +
+                "                CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_CUSTOMER_TABLE_FULL_NAME + "\n" +
+                "    DYNAMIC SERVER FILTER BY \"I.item_id\" IN (\"O.item_id\")",
+                /*
+                 * testSubJoin()
+                 *     SELECT * FROM joinCustomerTable c 
+                 *     INNER JOIN (joinOrderTable o 
+                 *         INNER JOIN (joinSupplierTable s 
+                 *             RIGHT JOIN joinItemTable i ON i.supplier_id = s.supplier_id)
+                 *         ON o.item_id = i.item_id)
+                 *     ON c.customer_id = o.customer_id
+                 *     WHERE c.customer_id <= '0000000005' 
+                 *         AND order_id != '000000000000003' 
+                 *         AND i.name != 'T3' 
+                 *     ORDER BY c.customer_id, i.name
+                 */
+                "CLIENT PARALLEL 1-WAY RANGE SCAN OVER " + JOIN_CUSTOMER_TABLE_FULL_NAME + " [*] - ['0000000005']\n" +
+                "    SERVER SORTED BY [\"C.customer_id\", I.NAME]\n" +
+                "CLIENT MERGE SORT\n" +
+                "    PARALLEL INNER-JOIN TABLE 0\n" +
+                "        CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ORDER_TABLE_FULL_NAME + "\n" +
+                "            SERVER FILTER BY \"order_id\" != '000000000000003'\n" +
+                "            PARALLEL INNER-JOIN TABLE 0\n" +
+                "                CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ITEM_TABLE_FULL_NAME + "\n" +
+                "                    SERVER FILTER BY NAME != 'T3'\n" +
+                "                    PARALLEL LEFT-JOIN TABLE 0\n" +
+                "                        CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_SUPPLIER_TABLE_FULL_NAME + "\n" +
+                "    DYNAMIC SERVER FILTER BY \"C.customer_id\" IN (\"O.customer_id\")",
+                /* 
+                 * testJoinWithSubqueryAndAggregation()
+                 *     SELECT i.name, sum(quantity) FROM joinOrderTable o 
+                 *     LEFT JOIN (SELECT name, item_id iid FROM joinItemTable) AS i 
+                 *     ON o.item_id = i.iid 
+                 *     GROUP BY i.name ORDER BY i.name
+                 */     
+                "CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ORDER_TABLE_FULL_NAME + "\n" +
+                "    SERVER AGGREGATE INTO DISTINCT ROWS BY [I.NAME]\n" +
+                "CLIENT MERGE SORT\n" +
+                "    PARALLEL LEFT-JOIN TABLE 0\n" +
+                "        CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ITEM_TABLE_FULL_NAME,
+                /* 
+                 * testJoinWithSubqueryAndAggregation()
+                 *     SELECT o.iid, sum(o.quantity) q 
+                 *     FROM (SELECT item_id iid, quantity FROM joinOrderTable) AS o 
+                 *     LEFT JOIN (SELECT item_id FROM joinItemTable) AS i 
+                 *     ON o.iid = i.item_id 
+                 *     GROUP BY o.iid ORDER BY q DESC                 
+                 */     
+                "CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ORDER_TABLE_FULL_NAME + "\n" +
+                "    SERVER AGGREGATE INTO DISTINCT ROWS BY [O.IID]\n" +
+                "CLIENT MERGE SORT\n" +
+                "CLIENT SORTED BY [SUM(O.QUANTITY) DESC]\n" +
+                "    PARALLEL LEFT-JOIN TABLE 0 (SKIP MERGE)\n" +
+                "        CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ITEM_TABLE_FULL_NAME + "\n" +
+                "            SERVER FILTER BY FIRST KEY ONLY",
+                /* 
+                 * testJoinWithSubqueryAndAggregation()
+                 *     SELECT i.iid, o.q 
+                 *     FROM (SELECT item_id iid FROM joinItemTable) AS i 
+                 *     LEFT JOIN (SELECT item_id iid, sum(quantity) q FROM joinOrderTable GROUP BY item_id) AS o 
+                 *     ON o.iid = i.iid 
+                 *     ORDER BY o.q DESC NULLS LAST, i.iid
+                 */     
+                "CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ITEM_TABLE_FULL_NAME + "\n" +
+                "    SERVER FILTER BY FIRST KEY ONLY\n" +
+                "    SERVER SORTED BY [O.Q DESC NULLS LAST, I.IID]\n" +
+                "CLIENT MERGE SORT\n" +
+                "    PARALLEL LEFT-JOIN TABLE 0\n" +
+                "        CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ORDER_TABLE_FULL_NAME + "\n" +
+                "            SERVER AGGREGATE INTO DISTINCT ROWS BY [\"item_id\"]\n" +
+                "        CLIENT MERGE SORT",
+                /* 
+                 * testJoinWithSubqueryAndAggregation()
+                 *     SELECT i.iid, o.q 
+                 *     FROM (SELECT item_id iid, sum(quantity) q FROM joinOrderTable GROUP BY item_id) AS o 
+                 *     JOIN (SELECT item_id iid FROM joinItemTable) AS i 
+                 *     ON o.iid = i.iid 
+                 *     ORDER BY o.q DESC, i.iid
+                 */     
+                "CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ITEM_TABLE_FULL_NAME + "\n" +
+                "    SERVER FILTER BY FIRST KEY ONLY\n" +
+                "    SERVER SORTED BY [O.Q DESC, I.IID]\n" +
+                "CLIENT MERGE SORT\n" +
+                "    PARALLEL INNER-JOIN TABLE 0\n" +
+                "        CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ORDER_TABLE_FULL_NAME + "\n" +
+                "            SERVER AGGREGATE INTO DISTINCT ROWS BY [\"item_id\"]\n" +
+                "        CLIENT MERGE SORT",
+                /*
+                 * testNestedSubqueries()
+                 *     SELECT * FROM (SELECT customer_id cid, name, phone, address, loc_id, date FROM joinCustomerTable) AS c 
+                 *     INNER JOIN (SELECT o.oid ooid, o.cid ocid, o.iid oiid, o.price * o.quantity, o.date odate, 
+                 *     qi.iiid iiid, qi.iname iname, qi.iprice iprice, qi.idiscount1 idiscount1, qi.idiscount2 idiscount2, qi.isid isid, qi.idescription idescription, 
+                 *     qi.ssid ssid, qi.sname sname, qi.sphone sphone, qi.saddress saddress, qi.sloc_id sloc_id 
+                 *         FROM (SELECT item_id iid, customer_id cid, order_id oid, price, quantity, date FROM joinOrderTable) AS o 
+                 *         INNER JOIN (SELECT i.iid iiid, i.name iname, i.price iprice, i.discount1 idiscount1, i.discount2 idiscount2, i.sid isid, i.description idescription, 
+                 *         s.sid ssid, s.name sname, s.phone sphone, s.address saddress, s.loc_id sloc_id 
+                 *             FROM (SELECT supplier_id sid, name, phone, address, loc_id FROM joinSupplierTable) AS s 
+                 *             RIGHT JOIN (SELECT item_id iid, name, price, discount1, discount2, supplier_id sid, description FROM joinItemTable) AS i 
+                 *             ON i.sid = s.sid) as qi 
+                 *         ON o.iid = qi.iiid) as qo 
+                 *     ON c.cid = qo.ocid 
+                 *     WHERE c.cid <= '0000000005' 
+                 *         AND qo.ooid != '000000000000003' 
+                 *         AND qo.iname != 'T3' 
+                 *     ORDER BY c.cid, qo.iname
+                 */
+                "CLIENT PARALLEL 1-WAY RANGE SCAN OVER " + JOIN_CUSTOMER_TABLE_FULL_NAME + " [*] - ['0000000005']\n" +
+                "    SERVER SORTED BY [C.CID, QO.INAME]\n" +
+                "CLIENT MERGE SORT\n" +
+                "    PARALLEL INNER-JOIN TABLE 0\n" +
+                "        CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ORDER_TABLE_FULL_NAME + "\n" +
+                "            SERVER FILTER BY \"order_id\" != '000000000000003'\n" +
+                "            PARALLEL INNER-JOIN TABLE 0\n" +
+                "                CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ITEM_TABLE_FULL_NAME + "\n" +
+                "                    SERVER FILTER BY NAME != 'T3'\n" +
+                "                    PARALLEL LEFT-JOIN TABLE 0\n" +
+                "                        CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_SUPPLIER_TABLE_FULL_NAME,
+                /*
+                 * testJoinWithLimit()
+                 *     SELECT order_id, i.name, s.name, s.address, quantity 
+                 *     FROM joinSupplierTable s 
+                 *     LEFT JOIN joinItemTable i ON i.supplier_id = s.supplier_id 
+                 *     LEFT JOIN joinOrderTable o ON o.item_id = i.item_id LIMIT 4
+                 */
+                "CLIENT SERIAL 1-WAY FULL SCAN OVER " + JOIN_SUPPLIER_TABLE_FULL_NAME + "\n" +
+                "    SERVER 4 ROW LIMIT\n" +
+                "CLIENT 4 ROW LIMIT\n" +
+                "    PARALLEL LEFT-JOIN TABLE 0\n" +
+                "        CLIENT PARALLEL 1-WAY FULL SCAN OVER "+ JOIN_ITEM_TABLE_FULL_NAME + "\n" +
+                "    PARALLEL LEFT-JOIN TABLE 1(DELAYED EVALUATION)\n" +
+                "        CLIENT PARALLEL 1-WAY FULL SCAN OVER "+ JOIN_ORDER_TABLE_FULL_NAME + "\n" +
+                "    JOIN-SCANNER 4 ROW LIMIT",
+                /*
+                 * testJoinWithLimit()
+                 *     SELECT order_id, i.name, s.name, s.address, quantity 
+                 *     FROM joinSupplierTable s 
+                 *     JOIN joinItemTable i ON i.supplier_id = s.supplier_id 
+                 *     JOIN joinOrderTable o ON o.item_id = i.item_id LIMIT 4
+                 */
+                "CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_SUPPLIER_TABLE_FULL_NAME + "\n" +
+                "CLIENT 4 ROW LIMIT\n" +
+                "    PARALLEL INNER-JOIN TABLE 0\n" +
+                "        CLIENT PARALLEL 1-WAY FULL SCAN OVER "+ JOIN_ITEM_TABLE_FULL_NAME + "\n" +
+                "    PARALLEL INNER-JOIN TABLE 1(DELAYED EVALUATION)\n" +
+                "        CLIENT PARALLEL 1-WAY FULL SCAN OVER "+ JOIN_ORDER_TABLE_FULL_NAME + "\n" +
+                "    DYNAMIC SERVER FILTER BY \"S.supplier_id\" IN (\"I.supplier_id\")\n" +
+                "    JOIN-SCANNER 4 ROW LIMIT",
+                /*
+                 * testJoinWithSetMaxRows()
+                 *     statement.setMaxRows(4);
+                 *     SELECT order_id, i.name, quantity FROM joinItemTable i
+                 *     JOIN joinOrderTable o ON o.item_id = i.item_id;
+                 *     SELECT o.order_id, i.name, o.quantity FROM joinItemTable i
+                 *     JOIN (SELECT order_id, item_id, quantity FROM joinOrderTable) o
+                 *     ON o.item_id = i.item_id;
+                 */
+                "CLIENT PARALLEL 1-WAY FULL SCAN OVER " + JOIN_ITEM_TABLE_FULL_NAME + "\n" +
+                "CLIENT 4 ROW LIMIT\n" +
+                "    PARALLEL INNER-JOIN TABLE 0\n" +
+                "        CLIENT PARALLEL 1-WAY FULL SCAN OVER "+ JOIN_ORDER_TABLE_FULL_NAME + "\n" +
+                "    DYNAMIC SERVER FILTER BY \"I.item_id\" IN (\"O.item_id\")\n" +
+                "    JOIN-SCANNER 4 ROW LIMIT",
+                /*
+                 * testJoinWithOffset()
+                 *     SELECT order_id, i.name, s.name, s.address, quantity 
+                 *     FROM joinSupplierTable s 
+                 *     LEFT JOIN joinItemTable i ON i.supplier_id = s.supplier_id 
+                 *     LEFT JOIN joinOrderTable o ON o.item_id = i.item_id LIMIT 1 OFFSET 2
+                 */
+                "CLIENT SERIAL 1-WAY FULL SCAN OVER " + JOIN_SUPPLIER_TABLE_FULL_NAME + "\n" +
+                "    SERVER OFFSET 2\n" +
+                "    SERVER 3 ROW LIMIT\n" +
+                "CLIENT 1 ROW LIMIT\n" +
+                "    PARALLEL LEFT-JOIN TABLE 0\n" +
+                "        CLIENT PARALLEL 1-WAY FULL SCAN OVER "+ JOIN_ITEM_TABLE_FULL_NAME + "\n" +
+                "    PARALLEL LEFT-JOIN TABLE 1(DELAYED EVALUATION)\n" +
+                "        CLIENT PARALLEL 1-WAY FULL SCAN OVER "+ JOIN_ORDER_TABLE_FULL_NAME + "\n" +
+                "    JOIN-SCANNER 3 ROW LIMIT",
+                /*
+                 * testJoinWithOffset()
+                 *     SELECT order_id, i.name, s.name, s.address, quantity 
+                 *     FROM joinSupplierTable s 
+                 *     JOIN joinItemTable i ON i.supplier_id = s.supplier_id 
+                 *     JOIN joinOrderTable o ON o.item_id = i.item_id LIMIT 1 OFFSET 2
+                 */
+                "CLIENT SERIAL 1-WAY FULL SCAN OVER " + JOIN_SUPPLIER_TABLE_FULL_NAME + "\n" +
+                "    SERVER OFFSET 2\n" +
+                "CLIENT 1 ROW LIMIT\n" +
+                "    PARALLEL INNER-JOIN TABLE 0\n" +
+                "        CLIENT PARALLEL 1-WAY FULL SCAN OVER "+ JOIN_ITEM_TABLE_FULL_NAME + "\n" +
+                "    PARALLEL INNER-JOIN TABLE 1(DELAYED EVALUATION)\n" +
+                "        CLIENT PARALLEL 1-WAY FULL SCAN OVER "+ JOIN_ORDER_TABLE_FULL_NAME + "\n" +
+                "    DYNAMIC SERVER FILTER BY \"S.supplier_id\" IN (\"I.supplier_id\")\n" +
+                "    JOIN-SCANNER 3 ROW LIMIT",
+                }});
+        return testCases;
+    }
+}