| /* |
| * Copyright (c) 1998, 2021 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // Contributors: |
| // Oracle - initial API and implementation from Oracle TopLink |
| package org.eclipse.persistence.testing.tests.nchar; |
| |
| import java.sql.Connection; |
| |
| import org.eclipse.persistence.testing.framework.TestWarningException; |
| import org.eclipse.persistence.expressions.ExpressionBuilder; |
| import org.eclipse.persistence.expressions.Expression; |
| import org.eclipse.persistence.internal.sessions.AbstractSession; |
| import org.eclipse.persistence.testing.tests.unwrappedconnection.TestOracleConnection; |
| |
| public class ReadNcharTest extends BaseNcharTest { |
| |
| public ReadNcharTest() { |
| super(); |
| setDescription("Tests reading NCHAR, NVARCHAR2, NCLOB from Oracle database."); |
| } |
| |
| @Override |
| @SuppressWarnings("deprecation") |
| protected void setup() { |
| super.setup(); |
| //#Bug5200836, the added line ensures the connection is available when tests being switched |
| //from the corresponding unwrapConnectionTestModel to this model. |
| ((AbstractSession)getSession()).getAccessor().incrementCallCount((AbstractSession)getSession()); |
| java.sql.ResultSet resultSet = null; |
| try { |
| java.sql.DatabaseMetaData metaData = ((AbstractSession)getSession()).getAccessor().getConnection().getMetaData(); /*"TEST"*/ |
| resultSet = metaData.getColumns(null, null, "CHARNCHAR", null); |
| |
| int i = 1; |
| while (resultSet.next()) { |
| resultSet.getString("COLUMN_NAME"); |
| |
| //TYPE_NAME String => Data source dependent type name, |
| resultSet.getString("TYPE_NAME"); |
| |
| i++; |
| } |
| } catch (java.sql.SQLException sqlException) { |
| } |
| |
| // insert directly an NCHAR-containing record into the db |
| |
| // obtain an id to use |
| int id = getSession().getNextSequenceNumberValue(CharNchar.class).intValue(); |
| char ch = 'a'; |
| char nCh = '\u4010'; |
| int stringSize = 5; |
| // It is important that clobSize1 < 4K (or 5.9K?) |
| int clobSize1 = 5; |
| // clobSize2 is arbitrary |
| int clobSize2 = 8000; |
| controlObject = new CharNchar(ch, nCh, stringSize, clobSize1, clobSize2); |
| controlObject.setId(id); |
| |
| try { |
| Connection originConnection = ((AbstractSession)getSession()).getAccessor().getConnection(); |
| Connection unWrappedConnection; |
| if(originConnection instanceof TestOracleConnection){ |
| unWrappedConnection = ((TestOracleConnection)originConnection).getPhysicalConnection(); |
| } else { |
| unWrappedConnection = originConnection; |
| } |
| oracle.jdbc.OraclePreparedStatement pstmt; |
| pstmt = (oracle.jdbc.OraclePreparedStatement) |
| unWrappedConnection.prepareStatement( |
| "insert into CHARNCHAR (ID,CH,NCH,STR,NSTR,CLB,NCLB,CLB2,NCLB2) values(?,?,?,?,?,?,?,?,?)"); |
| |
| pstmt.setInt(1, controlObject.getId()); |
| |
| pstmt.setObject(2, controlObject.getChar().toString()); |
| |
| pstmt.setFormOfUse(3, oracle.jdbc.OraclePreparedStatement.FORM_NCHAR); |
| pstmt.setObject(3, controlObject.getNchar().toString()); |
| |
| pstmt.setObject(4, controlObject.getStr()); |
| |
| pstmt.setFormOfUse(5, oracle.jdbc.OraclePreparedStatement.FORM_NCHAR); |
| pstmt.setObject(5, controlObject.getNstr()); |
| |
| // Also possible: |
| // pstmt.setCharacterStream(6, new java.io.CharArrayReader(controlObject.getClob()), controlObject.getClob().length); |
| pstmt.setObject(6, new String(controlObject.getClob())); |
| |
| pstmt.setFormOfUse(7, oracle.jdbc.OraclePreparedStatement.FORM_NCHAR); |
| // Also possible: |
| // pstmt.setCharacterStream(7, new java.io.CharArrayReader(controlObject.getNclob()), controlObject.getNclob().length); |
| pstmt.setObject(7, new String(controlObject.getNclob())); |
| |
| // insert a dummy empty CLOB |
| pstmt.setObject(8, " "); |
| |
| // insert a dummy empty NCLOB |
| pstmt.setFormOfUse(9, oracle.jdbc.OraclePreparedStatement.FORM_NCHAR); |
| pstmt.setObject(9, " "); |
| |
| pstmt.execute(); |
| pstmt.close(); |
| |
| // Handle clob2, nClob2 |
| getAbstractSession().beginTransaction(); |
| java.sql.Statement stmt = ((AbstractSession)getSession()).getAccessor().getConnection().createStatement(); |
| java.sql.ResultSet clobs = stmt.executeQuery("select CLB2, NCLB2 from CHARNCHAR " + "where ID = '" + controlObject.getId() + "' for update"); |
| |
| if (clobs.next()) { |
| oracle.sql.CLOB clob = (oracle.sql.CLOB)clobs.getObject("CLB2"); |
| java.io.Writer clobWriter = clob.getCharacterOutputStream(); |
| clobWriter.write(controlObject.getClob2(), 0, controlObject.getClob2().length); |
| clobWriter.close(); |
| |
| oracle.sql.CLOB nclob = (oracle.sql.CLOB)clobs.getObject("NCLB2"); |
| java.io.Writer nclobWriter = nclob.getCharacterOutputStream(); |
| nclobWriter.write(controlObject.getNclob2(), 0, controlObject.getNclob2().length); |
| nclobWriter.close(); |
| } |
| |
| clobs.close(); |
| stmt.close(); |
| getAbstractSession().commitTransaction(); |
| } catch (java.sql.SQLException ex) { |
| // attempt to write a "big" CLOB (>4K? >5.9K?) in "small" way may cause disconnection |
| boolean disconnected = false; |
| try { |
| if (!getAbstractSession().isInTransaction()) { |
| getAbstractSession().beginTransaction(); |
| } |
| getAbstractSession().rollbackTransaction(); |
| } catch (org.eclipse.persistence.exceptions.DatabaseException ex2) { |
| disconnected = true; |
| } |
| if (disconnected) { |
| ((AbstractSession)getSession()).setAccessor(getSession().getLogin().buildAccessor()); |
| ((org.eclipse.persistence.sessions.DatabaseSession)getSession()).login(); |
| } |
| throw new TestWarningException("Failed to insert a new record into the db. Internal java.sql.Exception: " + ex.getMessage()); |
| } catch (java.io.IOException exIO) { |
| if (getAbstractSession().isInTransaction()) { |
| getAbstractSession().rollbackTransaction(); |
| } |
| throw new TestWarningException("Failed to insert a new record into the db. Internal java.io.IOException: " + exIO.getMessage()); |
| } |
| ((AbstractSession)getSession()).getAccessor().decrementCallCount(); |
| } |
| |
| @Override |
| protected void test() { |
| ExpressionBuilder builder = new ExpressionBuilder(); |
| Expression exp = (builder.get("id").equal(controlObject.getId())); |
| object = (CharNchar)getSession().readObject(CharNchar.class, exp); |
| } |
| |
| /* protected void insertSmallCLOB() throws java.sql.SQLException { |
| oracle.jdbc.OraclePreparedStatement pstmt; |
| pstmt = (oracle.jdbc.OraclePreparedStatement) |
| ((AbstractSession)getSession()).getAccessor().getConnection().prepareStatement( |
| "insert into CHARNCHAR (ID,CH,NCH,STR,NSTR,CLOB,NCLOB) values(?,?,?,?,?,?,?)"); |
| |
| pstmt.setInt(1, controlObject.getId()); |
| |
| pstmt.setObject(2, (Character.valueOf(controlObject.getChar())).toString()); |
| |
| pstmt.setFormOfUse(3, oracle.jdbc.OraclePreparedStatement.FORM_NCHAR); |
| pstmt.setObject(3, (Character.valueOf(controlObject.getNchar())).toString()); |
| |
| pstmt.setObject(4, controlObject.getStr()); |
| |
| pstmt.setFormOfUse(5, oracle.jdbc.OraclePreparedStatement.FORM_NCHAR); |
| pstmt.setObject(5, controlObject.getNstr()); |
| |
| // Also possible: |
| // pstmt.setCharacterStream(6, new java.io.CharArrayReader(controlObject.getClob()), controlObject.getClob().length); |
| pstmt.setObject(6, new String(controlObject.getClob())); |
| |
| pstmt.setFormOfUse(7, oracle.jdbc.OraclePreparedStatement.FORM_NCHAR); |
| // Also possible: |
| // pstmt.setCharacterStream(7, new java.io.CharArrayReader(controlObject.getNclob()), controlObject.getNclob().length); |
| pstmt.setObject(7, new String(controlObject.getNclob())); |
| |
| pstmt.execute(); |
| pstmt.close(); |
| } |
| |
| protected void insertBigCLOB() throws java.sql.SQLException, java.io.IOException { |
| oracle.jdbc.OraclePreparedStatement pstmt; |
| pstmt = (oracle.jdbc.OraclePreparedStatement) |
| ((AbstractSession)getSession()).getAccessor().getConnection().prepareStatement( |
| "insert into CHARNCHAR (ID,CH,NCH,STR,NSTR,CLOB,NCLOB) values(?,?,?,?,?,?,?)"); |
| |
| pstmt.setInt(1, controlObject.getId()); |
| |
| pstmt.setObject(2, (Character.valueOf(controlObject.getChar())).toString()); |
| |
| pstmt.setFormOfUse(3, oracle.jdbc.OraclePreparedStatement.FORM_NCHAR); |
| pstmt.setObject(3, (Character.valueOf(controlObject.getNchar())).toString()); |
| |
| pstmt.setObject(4, controlObject.getStr()); |
| |
| pstmt.setFormOfUse(5, oracle.jdbc.OraclePreparedStatement.FORM_NCHAR); |
| pstmt.setObject(5, controlObject.getNstr()); |
| |
| // pstmt.setObject(6, "EMPTY_CLOB()"); |
| pstmt.setObject(6, " "); |
| |
| pstmt.setFormOfUse(7, oracle.jdbc.OraclePreparedStatement.FORM_NCHAR); |
| // pstmt.setObject(7, "EMPTY_CLOB()"); |
| pstmt.setObject(7, " "); |
| |
| pstmt.execute(); |
| pstmt.close(); |
| |
| // need autoCommit flag set to false |
| getAbstractSession().beginTransaction(); |
| try { |
| java.sql.Statement stmt = ((AbstractSession)getSession()).getAccessor().getConnection().createStatement(); |
| java.sql.ResultSet clobs = stmt.executeQuery( |
| "select CLOB, NCLOB from CHARNCHAR "+ |
| "where ID = '" + controlObject.getId() + "' for update"); |
| |
| if(clobs.next()) { |
| oracle.sql.CLOB clob = (oracle.sql.CLOB)clobs.getObject("CLOB"); |
| java.io.Writer clobWriter = clob.getCharacterOutputStream(); |
| clobWriter.write(controlObject.getClob(), 0, controlObject.getClob().length); |
| clobWriter.close(); |
| |
| oracle.sql.CLOB nclob = (oracle.sql.CLOB)clobs.getObject("NCLOB"); |
| java.io.Writer nclobWriter = nclob.getCharacterOutputStream(); |
| nclobWriter.write(controlObject.getNclob(), 0, controlObject.getNclob().length); |
| nclobWriter.close(); |
| } |
| |
| clobs.close(); |
| stmt.close(); |
| |
| getAbstractSession().commitTransaction(); |
| } catch (java.sql.SQLException ex) { |
| getAbstractSession().rollbackTransaction(); |
| throw ex; |
| } catch (java.io.IOException ioEx) { |
| getAbstractSession().rollbackTransaction(); |
| throw ioEx; |
| } |
| }*/ |
| } |