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From krist...@apache.org
Subject svn commit: r660408 - in /db/derby/code/branches/10.4/java: engine/org/apache/derby/impl/sql/conn/ testing/org/apache/derbyTesting/functionTests/tests/jdbcapi/ testing/org/apache/derbyTesting/junit/
Date Tue, 27 May 2008 07:00:11 GMT
Author: kristwaa
Date: Tue May 27 00:00:10 2008
New Revision: 660408

URL: http://svn.apache.org/viewvc?rev=660408&view=rev
Log:
DERBY-3690: EmbedPooledConnection doesn't reset schema when creating a new logical connection.
Merged revision 660404 (derby-3690-1b-reset_schema.diff) from trunk.

Modified:
    db/derby/code/branches/10.4/java/engine/org/apache/derby/impl/sql/conn/GenericLanguageConnectionContext.java
    db/derby/code/branches/10.4/java/testing/org/apache/derbyTesting/functionTests/tests/jdbcapi/J2EEDataSourceTest.java
    db/derby/code/branches/10.4/java/testing/org/apache/derbyTesting/junit/JDBC.java

Modified: db/derby/code/branches/10.4/java/engine/org/apache/derby/impl/sql/conn/GenericLanguageConnectionContext.java
URL: http://svn.apache.org/viewvc/db/derby/code/branches/10.4/java/engine/org/apache/derby/impl/sql/conn/GenericLanguageConnectionContext.java?rev=660408&r1=660407&r2=660408&view=diff
==============================================================================
--- db/derby/code/branches/10.4/java/engine/org/apache/derby/impl/sql/conn/GenericLanguageConnectionContext.java
(original)
+++ db/derby/code/branches/10.4/java/engine/org/apache/derby/impl/sql/conn/GenericLanguageConnectionContext.java
Tue May 27 00:00:10 2008
@@ -583,6 +583,9 @@
 
 		// drop all temp tables.
 		dropAllDeclaredGlobalTempTables();
+
+        // Reset the current schema (see DERBY-3690).
+        setDefaultSchema(null);
 	}
 
 	/**

Modified: db/derby/code/branches/10.4/java/testing/org/apache/derbyTesting/functionTests/tests/jdbcapi/J2EEDataSourceTest.java
URL: http://svn.apache.org/viewvc/db/derby/code/branches/10.4/java/testing/org/apache/derbyTesting/functionTests/tests/jdbcapi/J2EEDataSourceTest.java?rev=660408&r1=660407&r2=660408&view=diff
==============================================================================
--- db/derby/code/branches/10.4/java/testing/org/apache/derbyTesting/functionTests/tests/jdbcapi/J2EEDataSourceTest.java
(original)
+++ db/derby/code/branches/10.4/java/testing/org/apache/derbyTesting/functionTests/tests/jdbcapi/J2EEDataSourceTest.java
Tue May 27 00:00:10 2008
@@ -144,6 +144,8 @@
         suite.addTest(new J2EEDataSourceTest("testClosedXADSConnection"));
         suite.addTest(new J2EEDataSourceTest("testSetSchemaInXAConnection"));
         suite.addTest(new J2EEDataSourceTest("testPooledReuseOnClose"));
+        suite.addTest(new J2EEDataSourceTest("testSchemaIsReset"));
+        suite.addTest(new J2EEDataSourceTest("testSchemaIsResetWhenDeleted"));
         return suite;
     }
 
@@ -1696,7 +1698,105 @@
         conn3.close();
         xac3.close();
     }
-    
+
+    /**
+     * Verifies that the schema is reset when creating a new logical connection.
+     * <p>
+     * The test is run in a non-statement pooling configuration first,
+     * and then with statement pooling enabled if the environment supports it.
+     * <p>
+     * Relevant Jira issue: DERBY-3690.
+     *
+     * @throws SQLException if something goes wrong
+     */
+    public void testSchemaIsReset()
+            throws SQLException {
+        final String userSchema = "USERSCHEMA";
+        ConnectionPoolDataSource cpDs =
+                J2EEDataSource.getConnectionPoolDataSource();
+        J2EEDataSource.setBeanProperty(cpDs, "createDatabase", "create");
+        // Connect with a user specified, which should cause the schema to be
+        // set to the user name.
+        // Test without statement pooling first.
+        doTestSchemaIsReset(cpDs.getPooledConnection(userSchema, "secret"),
+                userSchema);
+
+        // Try to enable statement pooling.
+        // This is currently only implemented in the client driver.
+        if (usingDerbyNetClient()) {
+            J2EEDataSource.setBeanProperty(
+                    cpDs, "maxStatements",new Integer(7));
+            doTestSchemaIsReset(cpDs.getPooledConnection(userSchema, "secret"),
+                    userSchema);
+        }
+    }
+
+    /**
+     * Executes a test sequence to make sure the schema is reset between
+     * logical connections.
+     *
+     * @param pc pooled connection to get logical connections from
+     * @param userSchema name of the default schema for the connection (user)
+     * @throws SQLException if something goes wrong...
+     */
+    private void doTestSchemaIsReset(PooledConnection pc, String userSchema)
+            throws SQLException {
+        Connection con1 = pc.getConnection();
+        JDBC.assertCurrentSchema(con1, userSchema);
+        Statement stmt1 = con1.createStatement();
+        // Change the schema.
+        stmt1.execute("set schema APP");
+        stmt1.close();
+        JDBC.assertCurrentSchema(con1, "APP");
+        // Close the logical connection and get a new one.
+        con1.close();
+        Connection con2 = pc.getConnection();
+        // Make sure the schema has been reset from APP to the user name.
+        JDBC.assertCurrentSchema(con2, userSchema);
+        con2.close();
+        // Try a third time, but don't change the schema now.
+        Connection con3 = pc.getConnection();
+        JDBC.assertCurrentSchema(con3, userSchema);
+        con3.close();
+        pc.close();
+    }
+
+    /**
+     * Tests that deleting the current / default schema doesn't cause the next
+     * logical connection to fail.
+     * <p>
+     * Relevant Jira issue: DERBY-3690.
+     *
+     * @throws SQLException if something goes wrong
+     */
+    public void testSchemaIsResetWhenDeleted()
+            throws SQLException {
+        final String userSchema = "AUSER";
+        ConnectionPoolDataSource cpDs =
+                J2EEDataSource.getConnectionPoolDataSource();
+        J2EEDataSource.setBeanProperty(cpDs, "createDatabase", "create");
+        PooledConnection pc = cpDs.getPooledConnection(userSchema, "secret");
+        // Get first connection, create a table, then drop schema.
+        Connection con = pc.getConnection();
+        JDBC.assertCurrentSchema(con, userSchema);
+        Statement stmt = con.createStatement();
+        stmt.executeUpdate("create table schematest (id int)");
+        stmt.executeUpdate("drop table schematest");
+        stmt.executeUpdate("drop schema " + userSchema + " restrict");
+        stmt.close();
+        con.close();
+        // Get second connection.
+        con = pc.getConnection();
+        JDBC.assertCurrentSchema(con, userSchema);
+        stmt = con.createStatement();
+        stmt.executeUpdate("create table schematest (id int)");
+        stmt.executeUpdate("drop table schematest");
+        stmt.close();
+        JDBC.assertCurrentSchema(con, userSchema);
+        con.close();
+        pc.close();
+    }
+
     // test that an xastart in auto commit mode commits the existing work.
     // test fix of a bug ('beetle 5178') wherein XAresource.start() when 
     // auto-commit is true did not implictly commit any transaction

Modified: db/derby/code/branches/10.4/java/testing/org/apache/derbyTesting/junit/JDBC.java
URL: http://svn.apache.org/viewvc/db/derby/code/branches/10.4/java/testing/org/apache/derbyTesting/junit/JDBC.java?rev=660408&r1=660407&r2=660408&view=diff
==============================================================================
--- db/derby/code/branches/10.4/java/testing/org/apache/derbyTesting/junit/JDBC.java (original)
+++ db/derby/code/branches/10.4/java/testing/org/apache/derbyTesting/junit/JDBC.java Tue May
27 00:00:10 2008
@@ -1237,6 +1237,24 @@
     }
 
     /**
+     * Asserts that the current schema is the same as the one specified.
+     *
+     * @param con connection to check schema in
+     * @param schema expected schema name
+     * @throws SQLException if something goes wrong
+     */
+    public static void assertCurrentSchema(Connection con, String schema)
+            throws SQLException {
+        Statement stmt = con.createStatement();
+        try {
+            JDBC.assertSingleValueResultSet(
+                    stmt.executeQuery("VALUES CURRENT SCHEMA"), schema);
+        } finally {
+            stmt.close();
+        }
+    }
+
+    /**
      * Convert byte array to String.
      * Each byte is converted to a hexadecimal string representation.
      *



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