xref: /AOO41X/main/connectivity/source/drivers/adabas/BKeys.cxx (revision 9b5730f6ddef7eb82608ca4d31dc0d7678e652cf)
1 /**************************************************************
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
10  *
11  *   http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
19  *
20  *************************************************************/
21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_connectivity.hxx"
26 #include "adabas/BKeys.hxx"
27 #include "adabas/BTable.hxx"
28 #include <com/sun/star/sdbc/XRow.hpp>
29 #include <com/sun/star/sdbc/XResultSet.hpp>
30 #include <com/sun/star/sdbcx/KeyType.hpp>
31 #include <com/sun/star/sdbc/KeyRule.hpp>
32 #include <comphelper/types.hxx>
33 #include "adabas/BCatalog.hxx"
34 #include <comphelper/property.hxx>
35 #include <connectivity/TKeys.hxx>
36 #include <connectivity/dbtools.hxx>
37 
38 
39 using namespace ::comphelper;
40 using namespace connectivity;
41 using namespace connectivity::adabas;
42 using namespace ::com::sun::star::uno;
43 using namespace ::com::sun::star::beans;
44 using namespace ::com::sun::star::sdbcx;
45 using namespace ::com::sun::star::sdbc;
46 using namespace ::com::sun::star::container;
47 using namespace ::com::sun::star::lang;
48 typedef OKeysHelper OCollection_TYPE;
49 
50 // -------------------------------------------------------------------------
51 // XAppend
appendObject(const::rtl::OUString & _rForName,const Reference<XPropertySet> & descriptor)52 sdbcx::ObjectType OKeys::appendObject( const ::rtl::OUString& _rForName, const Reference< XPropertySet >& descriptor )
53 {
54     if ( getTable()->isNew() )
55     {
56         Reference< XPropertySet > xNewDescriptor( cloneDescriptor( descriptor ) );
57         OKeysHelper::cloneDescriptorColumns( descriptor, xNewDescriptor );
58         return xNewDescriptor;
59     }
60 
61     sal_Int32 nKeyType      = getINT32(descriptor->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_TYPE)));
62 
63     ::rtl::OUString aSql    = ::rtl::OUString::createFromAscii("ALTER TABLE ");
64     const ::rtl::OUString aQuote    = getTable()->getConnection()->getMetaData()->getIdentifierQuoteString(  );
65     const ::rtl::OUString& sDot = OAdabasCatalog::getDot();
66 
67     aSql += composeTableName( getTable()->getConnection()->getMetaData(), getTable(), ::dbtools::eInTableDefinitions, false, false, true );
68 
69     if(nKeyType == KeyType::PRIMARY)
70     {
71         aSql = aSql + ::rtl::OUString::createFromAscii(" ALTER PRIMARY KEY (");
72     }
73     else if(nKeyType == KeyType::FOREIGN)
74     {
75         aSql = aSql + ::rtl::OUString::createFromAscii(" FOREIGN KEY (");
76     }
77     else
78         throw SQLException();
79 
80     Reference<XColumnsSupplier> xColumnSup(descriptor,UNO_QUERY);
81     Reference<XIndexAccess> xColumns(xColumnSup->getColumns(),UNO_QUERY);
82 
83     for(sal_Int32 i=0;i<xColumns->getCount();++i)
84     {
85         Reference< XPropertySet > xColProp;
86         xColumns->getByIndex(i) >>= xColProp;
87         aSql = aSql + aQuote + getString(xColProp->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME))) + aQuote
88                     +   ::rtl::OUString::createFromAscii(",");
89     }
90     aSql = aSql.replaceAt(aSql.getLength()-1,1,::rtl::OUString::createFromAscii(")"));
91 
92     sal_Int32 nUpdateRule = 0, nDeleteRule = 0;
93     ::rtl::OUString sReferencedName;
94 
95     if(nKeyType == KeyType::FOREIGN)
96     {
97         nDeleteRule = getINT32(descriptor->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_DELETERULE)));
98 
99         ::rtl::OUString aName,aSchema;
100         sReferencedName = getString(descriptor->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_REFERENCEDTABLE)));
101         sal_Int32 nLen = sReferencedName.indexOf('.');
102         aSchema = sReferencedName.copy(0,nLen);
103         aName   = sReferencedName.copy(nLen+1);
104         aSql += ::rtl::OUString::createFromAscii(" REFERENCES ")
105                     + aQuote + aSchema + aQuote + sDot + aQuote + aName + aQuote;
106         aSql += ::rtl::OUString::createFromAscii(" (");
107 
108         for(sal_Int32 i=0;i<xColumns->getCount();++i)
109         {
110             Reference< XPropertySet > xColProp;
111             xColumns->getByIndex(i) >>= xColProp;
112             aSql = aSql + aQuote + getString(xColProp->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_RELATEDCOLUMN))) + aQuote
113                         +   ::rtl::OUString::createFromAscii(",");
114         }
115         aSql = aSql.replaceAt(aSql.getLength()-1,1,::rtl::OUString::createFromAscii(")"));
116 
117         switch(nDeleteRule)
118         {
119             case KeyRule::CASCADE:
120                 aSql += ::rtl::OUString::createFromAscii(" ON DELETE CASCADE ");
121                 break;
122             case KeyRule::RESTRICT:
123                 aSql += ::rtl::OUString::createFromAscii(" ON DELETE RESTRICT ");
124                 break;
125             case KeyRule::SET_NULL:
126                 aSql += ::rtl::OUString::createFromAscii(" ON DELETE SET NULL ");
127                 break;
128             case KeyRule::SET_DEFAULT:
129                 aSql += ::rtl::OUString::createFromAscii(" ON DELETE SET DEFAULT ");
130                 break;
131             default:
132                 ;
133         }
134     }
135 
136     Reference< XStatement > xStmt = getTable()->getConnection()->createStatement(  );
137     xStmt->execute(aSql);
138     ::comphelper::disposeComponent(xStmt);
139     // find the name which the database gave the new key
140     ::rtl::OUString sNewName( _rForName );
141     if(nKeyType == KeyType::FOREIGN)
142     {
143         const ::dbtools::OPropertyMap& rPropMap = OMetaConnection::getPropMap();
144         ::rtl::OUString aSchema,aTable;
145         getTable()->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_SCHEMANAME))   >>= aSchema;
146         getTable()->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_NAME))     >>= aTable;
147         Reference< XResultSet > xResult = getTable()->getMetaData()->getImportedKeys( getTable()->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_CATALOGNAME))
148                                                                                     ,aSchema
149                                                                                     ,aTable);
150         if(xResult.is())
151         {
152             Reference< XRow > xRow(xResult,UNO_QUERY);
153             while(xResult->next())
154             {
155                 ::rtl::OUString sName = xRow->getString(12);
156                 if ( !m_pElements->exists(sName) ) // this name wasn't inserted yet so it must be te new one
157                 {
158                     descriptor->setPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME),makeAny(sName));
159                     sNewName = sName;
160                     break;
161                 }
162             }
163             ::comphelper::disposeComponent(xResult);
164         }
165     }
166 
167     getTable()->addKey(sNewName,sdbcx::TKeyProperties(new sdbcx::KeyProperties(sReferencedName,nKeyType,nUpdateRule,nDeleteRule)));
168     return createObject( sNewName );
169 }
170 // -------------------------------------------------------------------------
getDropForeignKey() const171 ::rtl::OUString OKeys::getDropForeignKey() const
172 {
173     return ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(" DROP FOREIGN KEY "));
174 }
175 
176 // -----------------------------------------------------------------------------
177 
178