1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
#include <connectivity/TKeys.hxx>
#include <TKey.hxx>
#include <connectivity/TTableHelper.hxx>
#include <com/sun/star/sdb/tools/XKeyAlteration.hpp>
#include <com/sun/star/sdbc/XRow.hpp>
#include <com/sun/star/sdbc/XResultSet.hpp>
#include <com/sun/star/sdbcx/KeyType.hpp>
#include <com/sun/star/sdbc/KeyRule.hpp>
#include <com/sun/star/sdbc/SQLException.hpp>
#include <connectivity/dbtools.hxx>
#include <comphelper/types.hxx>
#include <TConnection.hxx>
namespace connectivity
{
using namespace comphelper;
using namespace connectivity::sdbcx;
using namespace dbtools;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::sdbcx;
using namespace ::com::sun::star::sdbc;
using namespace ::com::sun::star::container;
using namespace ::com::sun::star::lang;
OKeysHelper::OKeysHelper( OTableHelper* _pTable,
::osl::Mutex& _rMutex,
const ::std::vector< OUString>& _rVector
) : OKeys_BASE(*_pTable,true,_rMutex,_rVector,true)
,m_pTable(_pTable)
{
}
sdbcx::ObjectType OKeysHelper::createObject(const OUString& _rName)
{
sdbcx::ObjectType xRet;
if(!_rName.isEmpty())
{
xRet = new OTableKeyHelper(m_pTable,_rName,m_pTable->getKeyProperties(_rName));
}
if(!xRet.is()) // we have a primary key with a system name
{
xRet = new OTableKeyHelper(m_pTable,_rName,m_pTable->getKeyProperties(_rName));
}
return xRet;
}
void OKeysHelper::impl_refresh()
{
m_pTable->refreshKeys();
}
Reference< XPropertySet > OKeysHelper::createDescriptor()
{
return new OTableKeyHelper(m_pTable);
}
/** returns the keyrule string for the primary key
*/
static OUString getKeyRuleString(bool _bUpdate,sal_Int32 _nKeyRule)
{
const char* pKeyRule = nullptr;
switch ( _nKeyRule )
{
case KeyRule::CASCADE:
pKeyRule = _bUpdate ? " ON UPDATE CASCADE " : " ON DELETE CASCADE ";
break;
case KeyRule::RESTRICT:
pKeyRule = _bUpdate ? " ON UPDATE RESTRICT " : " ON DELETE RESTRICT ";
break;
case KeyRule::SET_NULL:
pKeyRule = _bUpdate ? " ON UPDATE SET NULL " : " ON DELETE SET NULL ";
break;
case KeyRule::SET_DEFAULT:
pKeyRule = _bUpdate ? " ON UPDATE SET DEFAULT " : " ON DELETE SET DEFAULT ";
break;
default:
;
}
OUString sRet;
if ( pKeyRule )
sRet = OUString::createFromAscii(pKeyRule);
return sRet;
}
void OKeysHelper::cloneDescriptorColumns( const sdbcx::ObjectType& _rSourceDescriptor, const sdbcx::ObjectType& _rDestDescriptor )
{
Reference< XColumnsSupplier > xColSupp( _rSourceDescriptor, UNO_QUERY_THROW );
Reference< XIndexAccess > xSourceCols( xColSupp->getColumns(), UNO_QUERY_THROW );
xColSupp.set( _rDestDescriptor, UNO_QUERY_THROW );
Reference< XAppend > xDestAppend( xColSupp->getColumns(), UNO_QUERY_THROW );
sal_Int32 nCount = xSourceCols->getCount();
for ( sal_Int32 i=0; i< nCount; ++i )
{
Reference< XPropertySet > xColProp( xSourceCols->getByIndex(i), UNO_QUERY );
xDestAppend->appendByDescriptor( xColProp );
}
}
// XAppend
sdbcx::ObjectType OKeysHelper::appendObject( const OUString& _rForName, const Reference< XPropertySet >& descriptor )
{
Reference< XConnection> xConnection = m_pTable->getConnection();
if ( !xConnection.is() )
return nullptr;
if ( m_pTable->isNew() )
{
Reference< XPropertySet > xNewDescriptor( cloneDescriptor( descriptor ) );
cloneDescriptorColumns( descriptor, xNewDescriptor );
return xNewDescriptor;
}
const ::dbtools::OPropertyMap& rPropMap = OMetaConnection::getPropMap();
sal_Int32 nKeyType = getINT32(descriptor->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_TYPE)));
sal_Int32 nUpdateRule = 0, nDeleteRule = 0;
OUString sReferencedName;
if ( nKeyType == KeyType::FOREIGN )
{
descriptor->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_REFERENCEDTABLE)) >>= sReferencedName;
descriptor->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_UPDATERULE)) >>= nUpdateRule;
descriptor->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_DELETERULE)) >>= nDeleteRule;
}
if ( m_pTable->getKeyService().is() )
{
m_pTable->getKeyService()->addKey(m_pTable,descriptor);
}
else
{
// if we're here, we belong to a table which is not new, i.e. already exists in the database.
// In this case, really append the new index.
OUStringBuffer aSql;
aSql.append("ALTER TABLE ");
OUString aQuote = m_pTable->getConnection()->getMetaData()->getIdentifierQuoteString( );
aSql.append(composeTableName( m_pTable->getConnection()->getMetaData(), m_pTable, ::dbtools::EComposeRule::InTableDefinitions, true ));
aSql.append(" ADD ");
if ( nKeyType == KeyType::PRIMARY )
{
aSql.append(" PRIMARY KEY (");
}
else if ( nKeyType == KeyType::FOREIGN )
{
aSql.append(" FOREIGN KEY (");
}
else
throw SQLException();
Reference<XColumnsSupplier> xColumnSup(descriptor,UNO_QUERY);
Reference<XIndexAccess> xColumns(xColumnSup->getColumns(),UNO_QUERY);
Reference< XPropertySet > xColProp;
for(sal_Int32 i = 0 ; i < xColumns->getCount() ; ++i)
{
if ( i > 0 )
aSql.append(",");
xColProp.set(xColumns->getByIndex(i), css::uno::UNO_QUERY);
aSql.append( ::dbtools::quoteName( aQuote,getString(xColProp->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_NAME)))) );
}
aSql.append(")");
if ( nKeyType == KeyType::FOREIGN )
{
aSql.append(" REFERENCES ");
aSql.append(::dbtools::quoteTableName(m_pTable->getConnection()->getMetaData(),sReferencedName,::dbtools::EComposeRule::InTableDefinitions));
aSql.append(" (");
for(sal_Int32 i=0;i<xColumns->getCount();++i)
{
if ( i > 0 )
aSql.append(",");
xColumns->getByIndex(i) >>= xColProp;
aSql.append(::dbtools::quoteName( aQuote,getString(xColProp->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_RELATEDCOLUMN)))));
}
aSql.append(")");
aSql.append(getKeyRuleString(true ,nUpdateRule));
aSql.append(getKeyRuleString(false ,nDeleteRule));
}
Reference< XStatement > xStmt = m_pTable->getConnection()->createStatement( );
xStmt->execute(aSql.makeStringAndClear());
}
// find the name which the database gave the new key
OUString sNewName( _rForName );
try
{
OUString aSchema,aTable;
m_pTable->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_SCHEMANAME)) >>= aSchema;
m_pTable->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_NAME)) >>= aTable;
Reference< XResultSet > xResult;
sal_Int32 nColumn = 12;
if ( nKeyType == KeyType::FOREIGN )
xResult = m_pTable->getMetaData()->getImportedKeys( m_pTable->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_CATALOGNAME))
,aSchema
,aTable);
else
{
xResult = m_pTable->getMetaData()->getPrimaryKeys( m_pTable->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_CATALOGNAME))
,aSchema
,aTable);
nColumn = 6;
}
if ( xResult.is() )
{
Reference< XRow > xRow(xResult,UNO_QUERY);
while( xResult->next() )
{
OUString sName = xRow->getString(nColumn);
if ( !m_pElements->exists(sName) ) // this name wasn't inserted yet so it must be the new one
{
descriptor->setPropertyValue( rPropMap.getNameByIndex( PROPERTY_ID_NAME ), Any( sName ) );
sNewName = sName;
break;
}
}
::comphelper::disposeComponent(xResult);
}
}
catch(const SQLException&)
{
}
m_pTable->addKey(sNewName,std::make_shared<sdbcx::KeyProperties>(sReferencedName,nKeyType,nUpdateRule,nDeleteRule));
return createObject( sNewName );
}
OUString OKeysHelper::getDropForeignKey() const
{
return " DROP CONSTRAINT ";
}
// XDrop
void OKeysHelper::dropObject(sal_Int32 _nPos, const OUString& _sElementName)
{
Reference< XConnection> xConnection = m_pTable->getConnection();
if ( !xConnection.is() || m_pTable->isNew() )
return;
Reference<XPropertySet> xKey(getObject(_nPos),UNO_QUERY);
if ( m_pTable->getKeyService().is() )
{
m_pTable->getKeyService()->dropKey(m_pTable,xKey);
}
else
{
OUStringBuffer aSql;
aSql.append("ALTER TABLE ");
aSql.append( composeTableName( m_pTable->getConnection()->getMetaData(), m_pTable,::dbtools::EComposeRule::InTableDefinitions, true ));
sal_Int32 nKeyType = KeyType::PRIMARY;
if ( xKey.is() )
{
::dbtools::OPropertyMap& rPropMap = OMetaConnection::getPropMap();
xKey->getPropertyValue(rPropMap.getNameByIndex(PROPERTY_ID_TYPE)) >>= nKeyType;
}
if ( KeyType::PRIMARY == nKeyType )
{
aSql.append(" DROP PRIMARY KEY");
}
else
{
aSql.append(getDropForeignKey());
const OUString aQuote = m_pTable->getConnection()->getMetaData()->getIdentifierQuoteString();
aSql.append( ::dbtools::quoteName( aQuote,_sElementName) );
}
Reference< XStatement > xStmt = m_pTable->getConnection()->createStatement( );
if ( xStmt.is() )
{
xStmt->execute(aSql.makeStringAndClear());
::comphelper::disposeComponent(xStmt);
}
}
}
} // namespace connectivity
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
