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Posted to commits@openjpa.apache.org by mi...@apache.org on 2009/04/01 17:08:05 UTC
svn commit: r760911 - in /openjpa/branches/1.0.x:
openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/kernel/exps/
openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/sql/
openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/query/
openj...
Author: mikedd
Date: Wed Apr 1 15:07:58 2009
New Revision: 760911
URL: http://svn.apache.org/viewvc?rev=760911&view=rev
Log:
OPENJPA-975. Based on patch from B.J. Reed and Jody Grassel
Added:
openjpa/branches/1.0.x/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/query/TestQueryEscapeCharacters.java (with props)
Modified:
openjpa/branches/1.0.x/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/kernel/exps/JDBCExpressionFactory.java
openjpa/branches/1.0.x/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/sql/DBDictionary.java
openjpa/branches/1.0.x/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/query/Employee.java
openjpa/branches/1.0.x/openjpa-project/src/doc/manual/ref_guide_dbsetup.xml
Modified: openjpa/branches/1.0.x/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/kernel/exps/JDBCExpressionFactory.java
URL: http://svn.apache.org/viewvc/openjpa/branches/1.0.x/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/kernel/exps/JDBCExpressionFactory.java?rev=760911&r1=760910&r2=760911&view=diff
==============================================================================
--- openjpa/branches/1.0.x/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/kernel/exps/JDBCExpressionFactory.java (original)
+++ openjpa/branches/1.0.x/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/kernel/exps/JDBCExpressionFactory.java Wed Apr 1 15:07:58 2009
@@ -215,9 +215,12 @@
String single, String multi, String esc) {
if (!(v2 instanceof Const))
throw new UserException(_loc.get("const-only", "matches"));
- return new MatchesExpression((Val) v1, (Const) v2, single, multi,
- esc != null ? esc : _type.getMappingRepository().
- getDBDictionary().searchStringEscape);
+ if (esc == null && _type.getMappingRepository().
+ getDBDictionary().requiresSearchStringEscapeForLike == true) {
+ esc = _type.getMappingRepository().
+ getDBDictionary().searchStringEscape;
+ }
+ return new MatchesExpression((Val) v1, (Const) v2, single, multi, esc);
}
public Subquery newSubquery(ClassMetaData candidate, boolean subs,
Modified: openjpa/branches/1.0.x/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/sql/DBDictionary.java
URL: http://svn.apache.org/viewvc/openjpa/branches/1.0.x/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/sql/DBDictionary.java?rev=760911&r1=760910&r2=760911&view=diff
==============================================================================
--- openjpa/branches/1.0.x/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/sql/DBDictionary.java (original)
+++ openjpa/branches/1.0.x/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/sql/DBDictionary.java Wed Apr 1 15:07:58 2009
@@ -208,6 +208,7 @@
public boolean requiresAliasForSubselect = false;
public boolean allowsAliasInBulkClause = true;
public boolean supportsMultipleNontransactionalResultSets = true;
+ public boolean requiresSearchStringEscapeForLike = true;
public String searchStringEscape = "\\";
public boolean requiresCastForMathFunctions = false;
public boolean requiresCastForComparisons = false;
Modified: openjpa/branches/1.0.x/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/query/Employee.java
URL: http://svn.apache.org/viewvc/openjpa/branches/1.0.x/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/query/Employee.java?rev=760911&r1=760910&r2=760911&view=diff
==============================================================================
--- openjpa/branches/1.0.x/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/query/Employee.java (original)
+++ openjpa/branches/1.0.x/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/query/Employee.java Wed Apr 1 15:07:58 2009
@@ -20,8 +20,16 @@
import javax.persistence.Entity;
import javax.persistence.Id;
+import javax.persistence.NamedQueries;
+import javax.persistence.NamedQuery;
import javax.persistence.Table;
+@NamedQueries( {
+ @NamedQuery(name = "Employee.findByName",
+ query = "Select e from Employee e where e.name LIKE :name") ,
+ @NamedQuery(name = "Employee.findByNameEscaped",
+ query = "Select e from Employee e where e.name LIKE :name ESCAPE '\\'")
+ })
@Entity
@Table(name="SUBQ_EMPLOYEE")
public class Employee {
Added: openjpa/branches/1.0.x/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/query/TestQueryEscapeCharacters.java
URL: http://svn.apache.org/viewvc/openjpa/branches/1.0.x/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/query/TestQueryEscapeCharacters.java?rev=760911&view=auto
==============================================================================
--- openjpa/branches/1.0.x/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/query/TestQueryEscapeCharacters.java (added)
+++ openjpa/branches/1.0.x/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/query/TestQueryEscapeCharacters.java Wed Apr 1 15:07:58 2009
@@ -0,0 +1,156 @@
+/*
+ * 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.openjpa.persistence.query;
+
+import java.util.List;
+
+import javax.persistence.EntityManager;
+import javax.persistence.Query;
+
+import org.apache.openjpa.jdbc.conf.JDBCConfiguration;
+import org.apache.openjpa.persistence.OpenJPAEntityManagerFactorySPI;
+import org.apache.openjpa.persistence.test.SingleEMFTestCase;
+
+public class TestQueryEscapeCharacters
+ extends SingleEMFTestCase {
+
+ public void setUp() {
+ setUp(Employee.class, CLEAR_TABLES);
+
+ EntityManager em = emf.createEntityManager();
+ em.getTransaction().begin();
+
+ Employee e = new Employee();
+ e.setName("Mike Dick");
+ e.setEmpId(1);
+ em.persist(e);
+
+ e = new Employee();
+ e.setName("Mike Jones");
+ e.setEmpId(2);
+ em.persist(e);
+
+ e = new Employee();
+ e.setName("Mike Smith");
+ e.setEmpId(3);
+ em.persist(e);
+
+ e = new Employee();
+ e.setName("M%ke Smith");
+ e.setEmpId(4);
+ em.persist(e);
+ em.getTransaction().commit();
+ em.close();
+ }
+
+ public void tearDown() throws Exception {
+ EntityManager em = emf.createEntityManager();
+ em.getTransaction().begin();
+ em.createQuery("Delete from Employee").executeUpdate();
+ em.getTransaction().commit();
+ em.close();
+ super.tearDown();
+ }
+
+ public void testNormalQuery() {
+ performFind ("Employee.findByName", "%Dick", 1);
+ }
+
+ public void testMultiResultQuery() {
+ performFind ("Employee.findByName", "Mike%", 3);
+ }
+
+ public void testEscapedQuery() {
+ performFind ("Employee.findByNameEscaped",
+ "M\\%%", 1);
+ }
+
+ public void testDoubleEscapedQuery() {
+ performFind ("Employee.findByName", "\\\\", 0);
+ }
+
+ public void testWrongEscape() {
+ performFind ("Employee.findByName", "M|%%", 0);
+ }
+
+ public void testDoubleSlashQuery() {
+ // get the Dictionary and check the alwaysAddSearchString flag
+ OpenJPAEntityManagerFactorySPI ojpaEmf =
+ (OpenJPAEntityManagerFactorySPI) emf;
+ JDBCConfiguration conf = (JDBCConfiguration)ojpaEmf.getConfiguration();
+
+ if (conf.getDBDictionaryInstance().
+ requiresSearchStringEscapeForLike == true) {
+ return;
+ }
+
+ performFind ("Employee.findByName", "\\", 0);
+ }
+
+ @SuppressWarnings("unchecked")
+ public void testDifferentEscapeCharacter () {
+ OpenJPAEntityManagerFactorySPI ojpaEmf =
+ (OpenJPAEntityManagerFactorySPI) emf;
+ JDBCConfiguration conf = (JDBCConfiguration)ojpaEmf.getConfiguration();
+
+ // Would be nice to just pass a map to the createEntityManager, but
+ // seems like it would be too much trouble to get the proper DB type
+ // and then build the string for the map.
+ conf.getDBDictionaryInstance().requiresSearchStringEscapeForLike = true;
+ conf.getDBDictionaryInstance().searchStringEscape = "|";
+ EntityManager em = emf.createEntityManager();
+
+ Query q = em.createNamedQuery("Employee.findByName");
+ q.setParameter("name", "M|%%");
+ List<Employee> emps = (List<Employee>) q.getResultList();
+ assertEquals(1, emps.size());
+
+ String unnamedQuery =
+ "Select e from Employee e where e.name LIKE :name";
+
+ q = em.createQuery(unnamedQuery);
+ q.setParameter("name", "M|%%");
+ emps = (List<Employee>) q.getResultList();
+ assertEquals(1, emps.size());
+ em.close();
+ }
+
+ @SuppressWarnings("unchecked")
+ private void performFind (String namedQuery, String parameter,
+ int expected) {
+ EntityManager em = emf.createEntityManager();
+
+ Query q = em.createNamedQuery(namedQuery);
+ q.setParameter("name", parameter);
+ List<Employee> emps = (List<Employee>) q.getResultList();
+ assertEquals(expected, emps.size());
+
+ String unnamedQuery =
+ "Select e from Employee e where e.name LIKE :name";
+ if (namedQuery.equals("Employee.findByNameEscaped")) {
+ unnamedQuery =
+ "Select e from Employee e where e.name LIKE :name ESCAPE '\\'";
+ }
+ q = em.createQuery(unnamedQuery);
+ q.setParameter("name", parameter);
+ emps = (List<Employee>) q.getResultList();
+ assertEquals(expected, emps.size());
+ em.close();
+ }
+}
Propchange: openjpa/branches/1.0.x/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/query/TestQueryEscapeCharacters.java
------------------------------------------------------------------------------
svn:eol-style = native
Modified: openjpa/branches/1.0.x/openjpa-project/src/doc/manual/ref_guide_dbsetup.xml
URL: http://svn.apache.org/viewvc/openjpa/branches/1.0.x/openjpa-project/src/doc/manual/ref_guide_dbsetup.xml?rev=760911&r1=760910&r2=760911&view=diff
==============================================================================
--- openjpa/branches/1.0.x/openjpa-project/src/doc/manual/ref_guide_dbsetup.xml (original)
+++ openjpa/branches/1.0.x/openjpa-project/src/doc/manual/ref_guide_dbsetup.xml Wed Apr 1 15:07:58 2009
@@ -2400,6 +2400,44 @@
sequence name. Defaults to a database-appropriate value.
</para>
</listitem>
+ <listitem id="DBDictionary.RequiresSearchStringEscapeForLike">
+ <para>
+ <indexterm>
+ <primary>
+ SQL
+ </primary>
+ <secondary>
+ RequiresSearchStringEscapeForLike
+ </secondary>
+ </indexterm>
+<literal>RequiresSearchStringEscapeForLike</literal>:
+When true, the database requires an escape string for queries that use
+<literal>LIKE</literal>. The escape string can be specified using
+<literal>searchStringEscape</literal>. Defaults to <literal>true</literal>.
+ </para>
+ </listitem>
+ <listitem id="DBDictionary.SearchStringEscape">
+ <para>
+ <indexterm>
+ <primary>
+ SQL
+ </primary>
+ <secondary>
+ SearchStringEscape
+ </secondary>
+ </indexterm>
+<literal>SearchStringEscape</literal>:
+The default escape character used when generating SQL <literal>LIKE</literal>
+clauses. The escape character is used to escape the wildcard meaning of the
+<literal>_</literal> and <literal>%</literal> characters.
+Note: since JPQL provides the ability to define the escape character in
+the query, this setting is primarily used when translating other query
+languages, such as JDOQL. To not use any escape character, set the
+<literal>RequiresSearchStringEscapeForLike</literal> property to
+<literal>false</literal>. Defaults to <literal>"\\"</literal> (a single backslash
+in Java speak).
+ </para>
+ </listitem>
</itemizedlist>
</section>
<section id="ref_guide_dbsetup_dbsupport_mysql">