| /* |
| * 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.compile; |
| |
| import static org.apache.phoenix.util.TestUtil.TEST_PROPERTIES; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.fail; |
| |
| import java.sql.DriverManager; |
| import java.sql.SQLException; |
| import java.util.Properties; |
| |
| import org.apache.phoenix.exception.SQLExceptionCode; |
| import org.apache.phoenix.jdbc.PhoenixConnection; |
| import org.apache.phoenix.query.BaseConnectionlessQueryTest; |
| import org.apache.phoenix.schema.ColumnNotFoundException; |
| import org.apache.phoenix.schema.PTable; |
| import org.apache.phoenix.schema.PTable.ViewType; |
| import org.apache.phoenix.schema.PTableKey; |
| import org.apache.phoenix.util.PropertiesUtil; |
| import org.junit.Test; |
| |
| public class ViewCompilerTest extends BaseConnectionlessQueryTest { |
| @Test |
| public void testViewTypeCalculation() throws Exception { |
| assertViewType(new String[] {"V1","V2","V3","V4"}, new String[] { |
| "CREATE VIEW v1 AS SELECT * FROM t WHERE k1 = 1 AND k2 = 'foo'", |
| "CREATE VIEW v2 AS SELECT * FROM t WHERE k2 = 'foo'", |
| "CREATE VIEW v3 AS SELECT * FROM t WHERE v = 'bar'||'bas'", |
| "CREATE VIEW v4 AS SELECT * FROM t WHERE 'bar'=v and 5+3/2 = k1", |
| }, ViewType.UPDATABLE); |
| assertViewType(new String[] {"V1","V2","V3","V4"}, new String[] { |
| "CREATE VIEW v1 AS SELECT * FROM t WHERE k1 < 1 AND k2 = 'foo'", |
| "CREATE VIEW v2 AS SELECT * FROM t WHERE substr(k2,0,3) = 'foo'", |
| "CREATE VIEW v3 AS SELECT * FROM t WHERE v = TO_CHAR(CURRENT_DATE())", |
| "CREATE VIEW v4 AS SELECT * FROM t WHERE 'bar'=v or 3 = k1", |
| }, ViewType.READ_ONLY); |
| } |
| |
| public void assertViewType(String[] viewNames, String[] viewDDLs, ViewType viewType) throws Exception { |
| Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES); |
| PhoenixConnection conn = DriverManager.getConnection(getUrl(), props).unwrap(PhoenixConnection.class); |
| String ct = "CREATE TABLE t (k1 INTEGER NOT NULL, k2 VARCHAR, v VARCHAR, CONSTRAINT pk PRIMARY KEY (k1,k2))"; |
| conn.createStatement().execute(ct); |
| |
| for (String viewDDL : viewDDLs) { |
| conn.createStatement().execute(viewDDL); |
| } |
| |
| StringBuilder buf = new StringBuilder(); |
| int count = 0; |
| for (String view : viewNames) { |
| PTable table = conn.getTable(new PTableKey(null, view)); |
| assertEquals(viewType, table.getViewType()); |
| conn.createStatement().execute("DROP VIEW " + table.getName().getString()); |
| buf.append(' '); |
| buf.append(table.getName().getString()); |
| count++; |
| } |
| assertEquals("Expected " + viewDDLs.length + ", but got " + count + ":"+ buf.toString(), viewDDLs.length, count); |
| } |
| |
| @Test |
| public void testViewInvalidation() throws Exception { |
| Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES); |
| PhoenixConnection conn = DriverManager.getConnection(getUrl(), props).unwrap(PhoenixConnection.class); |
| String ct = "CREATE TABLE s1.t (k1 INTEGER NOT NULL, k2 VARCHAR, v VARCHAR, CONSTRAINT pk PRIMARY KEY (k1,k2))"; |
| conn.createStatement().execute(ct); |
| conn.createStatement().execute("CREATE VIEW s2.v3 AS SELECT * FROM s1.t WHERE v = 'bar'"); |
| |
| // TODO: should it be an error to remove columns from a VIEW that we're defined there? |
| conn.createStatement().execute("ALTER VIEW s2.v3 DROP COLUMN v"); |
| try { |
| conn.createStatement().executeQuery("SELECT * FROM s2.v3"); |
| fail(); |
| } catch (ColumnNotFoundException e) { |
| |
| } |
| |
| // No error, as v still exists in t |
| conn.createStatement().execute("CREATE VIEW s2.v4 AS SELECT * FROM s1.t WHERE v = 'bas'"); |
| |
| // No error, even though view is invalid |
| conn.createStatement().execute("DROP VIEW s2.v3"); |
| } |
| |
| |
| @Test |
| public void testInvalidUpsertSelect() throws Exception { |
| Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES); |
| PhoenixConnection conn = DriverManager.getConnection(getUrl(), props).unwrap(PhoenixConnection.class); |
| conn.createStatement().execute("CREATE TABLE t1 (k1 INTEGER NOT NULL, k2 VARCHAR, v VARCHAR, CONSTRAINT pk PRIMARY KEY (k1,k2))"); |
| conn.createStatement().execute("CREATE TABLE t2 (k3 INTEGER NOT NULL, v VARCHAR, CONSTRAINT pk PRIMARY KEY (k3))"); |
| conn.createStatement().execute("CREATE VIEW v1 AS SELECT * FROM t1 WHERE k1 = 1"); |
| |
| try { |
| conn.createStatement().executeUpdate("UPSERT INTO v1 SELECT k3,'foo',v FROM t2"); |
| fail(); |
| } catch (SQLException e) { |
| assertEquals(SQLExceptionCode.CANNOT_UPDATE_VIEW_COLUMN.getErrorCode(), e.getErrorCode()); |
| } |
| } |
| } |