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* 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
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* Unless required by applicable law or agreed to in writing,
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package org.apache.cayenne.unit;
import org.apache.cayenne.dba.DbAdapter;
import org.apache.cayenne.map.DataMap;
import org.apache.cayenne.map.DbEntity;
import org.apache.cayenne.map.Procedure;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
/**
*/
public class SybaseUnitDbAdapter extends UnitDbAdapter {
public SybaseUnitDbAdapter(DbAdapter adapter) {
super(adapter);
}
public String getIdentifiersStartQuote() {
return "[";
}
public String getIdentifiersEndQuote() {
return "]";
}
@Override
public boolean supportsStoredProcedures() {
return true;
}
@Override
public void createdTables(Connection con, DataMap map) throws Exception {
Procedure proc = map.getProcedure("cayenne_tst_select_proc");
if (proc != null && proc.getDataMap() == map) {
executeDDL(con, "sybase", "create-select-sp.sql");
executeDDL(con, "sybase", "create-update-sp.sql");
executeDDL(con, "sybase", "create-update-sp2.sql");
executeDDL(con, "sybase", "create-out-sp.sql");
}
}
@Override
public void willCreateTables(Connection con, DataMap map) throws Exception {
// Sybase does not support NULLable BIT columns...
DbEntity e = map.getDbEntity("PRIMITIVES_TEST");
if (e != null) {
e.getAttribute("BOOLEAN_COLUMN").setMandatory(true);
}
DbEntity e1 = map.getDbEntity("INHERITANCE_SUB_ENTITY3");
if (e1 != null) {
e1.getAttribute("SUBENTITY_BOOL_ATTR").setMandatory(true);
}
DbEntity e2 = map.getDbEntity("MT_TABLE_BOOL");
if (e2 != null) {
e2.getAttribute("BOOLEAN_COLUMN").setMandatory(true);
}
DbEntity e3 = map.getDbEntity("QUALIFIED1");
if (e3 != null) {
e3.getAttribute("DELETED").setMandatory(true);
}
DbEntity e4 = map.getDbEntity("QUALIFIED2");
if (e4 != null) {
e4.getAttribute("DELETED").setMandatory(true);
}
DbEntity e5 = map.getDbEntity("Painting");
if (e5 != null) {
if (e5.getAttribute("NEWCOL2") != null) {
e5.getAttribute("DELETED").setMandatory(true);
}
}
DbEntity e6 = map.getDbEntity("SOFT_TEST");
if (e6 != null) {
e6.getAttribute("DELETED").setMandatory(true);
}
}
@Override
public void willDropTables(Connection con, DataMap map, Collection tablesToDrop) throws Exception {
Iterator it = tablesToDrop.iterator();
while (it.hasNext()) {
dropConstraints(con, (String) it.next());
}
dropProcedures(con, map);
}
protected void dropProcedures(Connection con, DataMap map) throws Exception {
Procedure proc = map.getProcedure("cayenne_tst_select_proc");
if (proc != null && proc.getDataMap() == map) {
executeDDL(con, "sybase", "drop-select-sp.sql");
executeDDL(con, "sybase", "drop-update-sp.sql");
executeDDL(con, "sybase", "drop-update-sp2.sql");
executeDDL(con, "sybase", "drop-out-sp.sql");
}
}
protected void dropConstraints(Connection con, String tableName) throws Exception {
List<String> names = new ArrayList<>(3);
try (Statement select = con.createStatement();) {
try (ResultSet rs = select.executeQuery("SELECT t0.name "
+ "FROM sysobjects t0, sysconstraints t1, sysobjects t2 "
+ "WHERE t0.id = t1.constrid and t1.tableid = t2.id and t2.name = '" + tableName + "'");) {
while (rs.next()) {
names.add(rs.getString("name"));
}
}
}
for (String name : names) {
executeDDL(con, "alter table " + tableName + " drop constraint " + name);
}
}
@Override
public boolean supportsLobs() {
return true;
}
@Override
public boolean handlesNullVsEmptyLOBs() {
// TODO Sybase handling of this must be fixed
return false;
}
@Override
public boolean supportsNullBoolean() {
return false;
}
}