| /* |
| * 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.calcite.test; |
| |
| import org.apache.calcite.util.Bug; |
| |
| import org.junit.jupiter.api.Disabled; |
| import org.junit.jupiter.api.Test; |
| |
| import static org.apache.calcite.test.CalciteAssert.that; |
| |
| /** |
| * Tests for a JDBC front-end and JDBC back-end where the processing is not |
| * pushed down to JDBC (as in {@link JdbcFrontJdbcBackTest}) but is executed |
| * in a pipeline of linq4j operators. |
| */ |
| class JdbcFrontJdbcBackLinqMiddleTest { |
| |
| @Test void testTable() { |
| that() |
| .with(CalciteAssert.Config.JDBC_FOODMART) |
| .query("select * from \"foodmart\".\"days\"") |
| .returns("day=1; week_day=Sunday\n" |
| + "day=2; week_day=Monday\n" |
| + "day=5; week_day=Thursday\n" |
| + "day=4; week_day=Wednesday\n" |
| + "day=3; week_day=Tuesday\n" |
| + "day=6; week_day=Friday\n" |
| + "day=7; week_day=Saturday\n"); |
| } |
| |
| @Test void testWhere() { |
| that() |
| .with(CalciteAssert.Config.JDBC_FOODMART) |
| .query("select * from \"foodmart\".\"days\" where \"day\" < 3") |
| .returns("day=1; week_day=Sunday\n" |
| + "day=2; week_day=Monday\n"); |
| } |
| |
| @Test void testWhere2() { |
| that() |
| .with(CalciteAssert.Config.JDBC_FOODMART) |
| .query("select * from \"foodmart\".\"days\"\n" |
| + "where not (lower(\"week_day\") = 'wednesday')") |
| .returns("day=1; week_day=Sunday\n" |
| + "day=2; week_day=Monday\n" |
| + "day=5; week_day=Thursday\n" |
| + "day=3; week_day=Tuesday\n" |
| + "day=6; week_day=Friday\n" |
| + "day=7; week_day=Saturday\n"); |
| } |
| |
| @Test void testCase() { |
| that() |
| .with(CalciteAssert.Config.FOODMART_CLONE) |
| .query("select \"day\",\n" |
| + " \"week_day\",\n" |
| + " case when \"day\" < 3 then upper(\"week_day\")\n" |
| + " when \"day\" < 5 then lower(\"week_day\")\n" |
| + " else \"week_day\" end as d\n" |
| + "from \"foodmart\".\"days\"\n" |
| + "where \"day\" <> 1\n" |
| + "order by \"day\"") |
| .returns("day=2; week_day=Monday; D=MONDAY\n" |
| + "day=3; week_day=Tuesday; D=tuesday\n" |
| + "day=4; week_day=Wednesday; D=wednesday\n" |
| + "day=5; week_day=Thursday; D=Thursday\n" |
| + "day=6; week_day=Friday; D=Friday\n" |
| + "day=7; week_day=Saturday; D=Saturday\n"); |
| } |
| |
| @Test void testGroup() { |
| that() |
| .with(CalciteAssert.Config.JDBC_FOODMART) |
| .query("select s, count(*) as c, min(\"week_day\") as mw from (\n" |
| + "select \"week_day\",\n" |
| + " substring(\"week_day\" from 1 for 1) as s\n" |
| + "from \"foodmart\".\"days\")\n" |
| + "group by s") |
| .returnsUnordered( |
| "S=T; C=2; MW=Thursday", |
| "S=F; C=1; MW=Friday", |
| "S=W; C=1; MW=Wednesday", |
| "S=S; C=2; MW=Saturday", |
| "S=M; C=1; MW=Monday"); |
| } |
| |
| @Test void testGroupEmpty() { |
| that() |
| .with(CalciteAssert.Config.JDBC_FOODMART) |
| .query("select count(*) as c\n" |
| + "from \"foodmart\".\"days\"") |
| .returns("C=7\n"); |
| } |
| |
| /** Tests a theta join: a join whose condition cannot be decomposed |
| * into input0.x = input1.x and ... input0.z = input1.z. |
| * |
| * <p>Currently, the query can be planned, but the plan is not efficient (uses |
| * cartesian product).</p> |
| */ |
| @Disabled("non-deterministic on JDK 1.7 vs 1.8") |
| @Test void testJoinTheta() { |
| that() |
| .with(CalciteAssert.Config.FOODMART_CLONE) |
| .query("select count(*) from (\n" |
| + " select *\n" |
| + " from \"foodmart\".\"sales_fact_1997\" as s\n" |
| + " join \"foodmart\".\"customer\" as c\n" |
| + " on s.\"customer_id\" - c.\"customer_id\" = 0)") |
| .explainContains("EnumerableAggregate(group=[{}], EXPR$0=[COUNT()])\n" |
| + " EnumerableCalc(expr#0..1=[{inputs}], expr#2=[0], expr#3=[-($t0, $t1)], expr#4=[=($t3, $t2)], DUMMY=[$t2], $condition=[$t4])\n" |
| + " EnumerableNestedLoopJoin(condition=[true], joinType=[inner])\n" |
| + " JdbcToEnumerableConverter\n" |
| + " JdbcProject(customer_id=[$2])\n" |
| + " JdbcTableScan(table=[[foodmart, sales_fact_1997]])\n" |
| + " JdbcToEnumerableConverter\n" |
| + " JdbcProject(customer_id=[$0])\n" |
| + " JdbcTableScan(table=[[foodmart, customer]])"); |
| } |
| |
| @Test void testJoinGroupByEmpty() { |
| if (CalciteAssert.DB == CalciteAssert.DatabaseInstance.MYSQL |
| && !Bug.CALCITE_673_FIXED) { |
| return; |
| } |
| that() |
| .with(CalciteAssert.Config.JDBC_FOODMART) |
| .query("select count(*) from (\n" |
| + " select *\n" |
| + " from \"foodmart\".\"sales_fact_1997\" as s\n" |
| + " join \"foodmart\".\"customer\" as c\n" |
| + " on s.\"customer_id\" = c.\"customer_id\")") |
| .returns("EXPR$0=86837\n"); |
| } |
| |
| @Test void testJoinGroupByOrderBy() { |
| if (CalciteAssert.DB == CalciteAssert.DatabaseInstance.MYSQL |
| && !Bug.CALCITE_673_FIXED) { |
| return; |
| } |
| that() |
| .with(CalciteAssert.Config.JDBC_FOODMART) |
| .query("select count(*), c.\"state_province\",\n" |
| + " sum(s.\"unit_sales\") as s\n" |
| + "from \"foodmart\".\"sales_fact_1997\" as s\n" |
| + " join \"foodmart\".\"customer\" as c\n" |
| + " on s.\"customer_id\" = c.\"customer_id\"\n" |
| + "group by c.\"state_province\"\n" |
| + "order by c.\"state_province\"") |
| .returns2("EXPR$0=24442; state_province=CA; S=74748\n" |
| + "EXPR$0=21611; state_province=OR; S=67659\n" |
| + "EXPR$0=40784; state_province=WA; S=124366\n"); |
| } |
| |
| @Test void testCompositeGroupBy() { |
| that() |
| .with(CalciteAssert.Config.JDBC_FOODMART) |
| .query("select count(*) as c, c.\"state_province\"\n" |
| + "from \"foodmart\".\"customer\" as c\n" |
| + "group by c.\"state_province\", c.\"country\"\n" |
| + "order by c, 1") |
| .returns("C=78; state_province=Sinaloa\n" |
| + "C=90; state_province=Oaxaca\n" |
| + "C=93; state_province=Veracruz\n" |
| + "C=97; state_province=Mexico\n" |
| + "C=99; state_province=Yucatan\n" |
| + "C=104; state_province=Jalisco\n" |
| + "C=106; state_province=Guerrero\n" |
| + "C=191; state_province=Zacatecas\n" |
| + "C=347; state_province=DF\n" |
| + "C=1051; state_province=OR\n" |
| + "C=1717; state_province=BC\n" |
| + "C=2086; state_province=WA\n" |
| + "C=4222; state_province=CA\n"); |
| } |
| |
| @Disabled |
| @Test void testDistinctCount() { |
| // Complicating factors: |
| // Composite GROUP BY key |
| // Order by select item, referenced by ordinal |
| // Distinct count |
| // Not all GROUP columns are projected |
| that() |
| .with(CalciteAssert.Config.JDBC_FOODMART) |
| .query("select c.\"state_province\",\n" |
| + " sum(s.\"unit_sales\") as s,\n" |
| + " count(distinct c.\"customer_id\") as dc\n" |
| + "from \"foodmart\".\"sales_fact_1997\" as s\n" |
| + " join \"foodmart\".\"customer\" as c\n" |
| + " on s.\"customer_id\" = c.\"customer_id\"\n" |
| + "group by c.\"state_province\", c.\"country\"\n" |
| + "order by c.\"state_province\", 2") |
| .planHasSql("SELECT `state_province`, `S`, `DC`\n" |
| + "FROM (SELECT `customer`.`state_province`, `customer`.`country`, SUM(`sales_fact_1997`.`unit_sales`) AS `S`, COUNT(DISTINCT `customer`.`customer_id`) AS `DC`\n" |
| + "FROM `foodmart`.`sales_fact_1997`\n" |
| + "INNER JOIN `foodmart`.`customer` ON `sales_fact_1997`.`customer_id` = `customer`.`customer_id`\n" |
| + "GROUP BY `customer`.`state_province`, `customer`.`country`) AS `t0`\n" |
| + "ORDER BY `state_province`, `S`") |
| .returns("state_province=CA; S=74748.0000; DC=2716\n" |
| + "state_province=OR; S=67659.0000; DC=1037\n" |
| + "state_province=WA; S=124366.0000; DC=1828\n"); |
| } |
| |
| @Disabled |
| @Test void testPlan() { |
| that() |
| .with(CalciteAssert.Config.JDBC_FOODMART) |
| .query("select c.\"state_province\"\n" |
| + "from \"foodmart\".\"customer\" as c\n" |
| + "where c.\"state_province\" = 'USA'") |
| .planContains(" public boolean moveNext() {\n" |
| + " while (inputEnumerator.moveNext()) {\n" |
| + " final String v = (String) ((Object[]) inputEnumerator.current())[10];\n" |
| + " if (v != null && org.apache.calcite.runtime.SqlFunctions.eq(v, \"USA\")) {\n" |
| + " return true;\n" |
| + " }\n" |
| + " }\n" |
| + " return false;\n" |
| + " }\n"); |
| } |
| |
| @Disabled |
| @Test void testPlan2() { |
| that() |
| .with(CalciteAssert.Config.JDBC_FOODMART) |
| .withDefaultSchema("foodmart") |
| .query("select \"customer\".\"state_province\" as \"c0\",\n" |
| + " \"customer\".\"country\" as \"c1\"\n" |
| + "from \"customer\" as \"customer\"\n" |
| + "where (\"customer\".\"country\" = 'USA')\n" |
| + "and UPPER(\"customer\".\"state_province\") = UPPER('CA')\n" |
| + "group by \"customer\".\"state_province\", \"customer\".\"country\"\n" |
| + "order by \"customer\".\"state_province\" ASC") |
| .planContains(" public boolean moveNext() {\n" |
| + " while (inputEnumerator.moveNext()) {\n" |
| + " final Object[] current12 = (Object[]) inputEnumerator.current();\n" |
| + " final String v1 = (String) current12[10];\n" |
| + " if (org.apache.calcite.runtime.SqlFunctions.eq((String) current12[12], \"USA\") && (v1 != null && org.apache.calcite.runtime.SqlFunctions.eq(org.apache.calcite.runtime.SqlFunctions.upper(v1), org.apache.calcite.runtime.SqlFunctions.trim(org.apache.calcite.runtime.SqlFunctions.upper(\"CA\"))))) {\n" |
| + " return true;\n" |
| + " }\n" |
| + " }\n" |
| + " return false;\n" |
| + " }\n"); |
| } |
| |
| @Test void testPlan3() { |
| // Plan should contain 'join'. If it doesn't, maybe int-vs-Integer |
| // data type incompatibility has caused it to use a cartesian product |
| // instead, and that would be wrong. |
| // |
| // inventory_fact_1997 is on the LHS because it is larger than store. |
| that() |
| .with(CalciteAssert.Config.FOODMART_CLONE) |
| .query( |
| "select \"store\".\"store_country\" as \"c0\", sum(\"inventory_fact_1997\".\"supply_time\") as \"m0\" from \"store\" as \"store\", \"inventory_fact_1997\" as \"inventory_fact_1997\" where \"inventory_fact_1997\".\"store_id\" = \"store\".\"store_id\" group by \"store\".\"store_country\"") |
| .planContains( |
| " left.hashJoin(right, new org.apache.calcite.linq4j.function.Function1() {\n"); |
| } |
| } |
