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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include <string.h>
21 : #include "hsqldb/HTable.hxx"
22 : #include "hsqldb/HTables.hxx"
23 : #include <com/sun/star/sdbc/XRow.hpp>
24 : #include <com/sun/star/sdbc/XResultSet.hpp>
25 : #include <com/sun/star/sdbcx/KeyType.hpp>
26 : #include <com/sun/star/sdbc/KeyRule.hpp>
27 : #include <cppuhelper/typeprovider.hxx>
28 : #include <com/sun/star/lang/DisposedException.hpp>
29 : #include <com/sun/star/sdbc/ColumnValue.hpp>
30 : #include <com/sun/star/sdbcx/Privilege.hpp>
31 : #include <comphelper/property.hxx>
32 : #include <comphelper/extract.hxx>
33 : #include <comphelper/types.hxx>
34 : #include "connectivity/dbtools.hxx"
35 : #include "connectivity/sdbcx/VColumn.hxx"
36 : #include "connectivity/TKeys.hxx"
37 : #include "connectivity/TIndexes.hxx"
38 : #include "connectivity/TColumnsHelper.hxx"
39 : #include "hsqldb/HCatalog.hxx"
40 : #include "hsqldb/HColumns.hxx"
41 : #include "TConnection.hxx"
42 :
43 : #include <tools/diagnose_ex.h>
44 :
45 :
46 : using namespace ::comphelper;
47 : using namespace connectivity::hsqldb;
48 : using namespace connectivity::sdbcx;
49 : using namespace connectivity;
50 : using namespace ::com::sun::star::uno;
51 : using namespace ::com::sun::star::beans;
52 : using namespace ::com::sun::star::sdbcx;
53 : using namespace ::com::sun::star::sdbc;
54 : using namespace ::com::sun::star::container;
55 : using namespace ::com::sun::star::lang;
56 :
57 0 : OHSQLTable::OHSQLTable( sdbcx::OCollection* _pTables,
58 : const Reference< XConnection >& _xConnection)
59 0 : :OTableHelper(_pTables,_xConnection,true)
60 : {
61 : // we create a new table here, so we should have all the rights or ;-)
62 : m_nPrivileges = Privilege::DROP |
63 : Privilege::REFERENCE |
64 : Privilege::ALTER |
65 : Privilege::CREATE |
66 : Privilege::READ |
67 : Privilege::DELETE |
68 : Privilege::UPDATE |
69 : Privilege::INSERT |
70 0 : Privilege::SELECT;
71 0 : construct();
72 0 : }
73 :
74 0 : OHSQLTable::OHSQLTable( sdbcx::OCollection* _pTables,
75 : const Reference< XConnection >& _xConnection,
76 : const OUString& _Name,
77 : const OUString& _Type,
78 : const OUString& _Description ,
79 : const OUString& _SchemaName,
80 : const OUString& _CatalogName,
81 : sal_Int32 _nPrivileges
82 : ) : OTableHelper( _pTables,
83 : _xConnection,
84 : true,
85 : _Name,
86 : _Type,
87 : _Description,
88 : _SchemaName,
89 : _CatalogName)
90 0 : , m_nPrivileges(_nPrivileges)
91 : {
92 0 : construct();
93 0 : }
94 :
95 0 : void OHSQLTable::construct()
96 : {
97 0 : OTableHelper::construct();
98 0 : if ( !isNew() )
99 0 : registerProperty(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_PRIVILEGES), PROPERTY_ID_PRIVILEGES,PropertyAttribute::READONLY,&m_nPrivileges, ::getCppuType(&m_nPrivileges));
100 0 : }
101 :
102 0 : ::cppu::IPropertyArrayHelper* OHSQLTable::createArrayHelper( sal_Int32 /*_nId*/ ) const
103 : {
104 0 : return doCreateArrayHelper();
105 : }
106 :
107 0 : ::cppu::IPropertyArrayHelper & OHSQLTable::getInfoHelper()
108 : {
109 0 : return *static_cast<OHSQLTable_PROP*>(const_cast<OHSQLTable*>(this))->getArrayHelper(isNew() ? 1 : 0);
110 : }
111 :
112 0 : sdbcx::OCollection* OHSQLTable::createColumns(const TStringVector& _rNames)
113 : {
114 0 : OHSQLColumns* pColumns = new OHSQLColumns(*this,sal_True,m_aMutex,_rNames);
115 0 : pColumns->setParent(this);
116 0 : return pColumns;
117 : }
118 :
119 0 : sdbcx::OCollection* OHSQLTable::createKeys(const TStringVector& _rNames)
120 : {
121 0 : return new OKeysHelper(this,m_aMutex,_rNames);
122 : }
123 :
124 0 : sdbcx::OCollection* OHSQLTable::createIndexes(const TStringVector& _rNames)
125 : {
126 0 : return new OIndexesHelper(this,m_aMutex,_rNames);
127 : }
128 :
129 0 : Sequence< sal_Int8 > OHSQLTable::getUnoTunnelImplementationId()
130 : {
131 : static ::cppu::OImplementationId * pId = 0;
132 0 : if (! pId)
133 : {
134 0 : ::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
135 0 : if (! pId)
136 : {
137 0 : static ::cppu::OImplementationId aId;
138 0 : pId = &aId;
139 0 : }
140 : }
141 0 : return pId->getImplementationId();
142 : }
143 :
144 : // com::sun::star::lang::XUnoTunnel
145 :
146 0 : sal_Int64 OHSQLTable::getSomething( const Sequence< sal_Int8 > & rId ) throw (RuntimeException, std::exception)
147 : {
148 0 : return (rId.getLength() == 16 && 0 == memcmp(getUnoTunnelImplementationId().getConstArray(), rId.getConstArray(), 16 ) )
149 : ? reinterpret_cast< sal_Int64 >( this )
150 0 : : OTable_TYPEDEF::getSomething(rId);
151 : }
152 :
153 : // XAlterTable
154 0 : void SAL_CALL OHSQLTable::alterColumnByName( const OUString& colName, const Reference< XPropertySet >& descriptor ) throw(SQLException, NoSuchElementException, RuntimeException, std::exception)
155 : {
156 0 : ::osl::MutexGuard aGuard(m_aMutex);
157 : checkDisposed(
158 : #ifdef __GNUC__
159 : ::connectivity::sdbcx::OTableDescriptor_BASE::rBHelper.bDisposed
160 : #else
161 : rBHelper.bDisposed
162 : #endif
163 0 : );
164 :
165 0 : if ( !m_pColumns || !m_pColumns->hasByName(colName) )
166 0 : throw NoSuchElementException(colName,*this);
167 :
168 :
169 0 : if ( !isNew() )
170 : {
171 : // first we have to check what should be altered
172 0 : Reference<XPropertySet> xProp;
173 0 : m_pColumns->getByName(colName) >>= xProp;
174 : // first check the types
175 0 : sal_Int32 nOldType = 0,nNewType = 0,nOldPrec = 0,nNewPrec = 0,nOldScale = 0,nNewScale = 0;
176 0 : OUString sOldTypeName, sNewTypeName;
177 :
178 0 : ::dbtools::OPropertyMap& rProp = OMetaConnection::getPropMap();
179 :
180 : // type/typename
181 0 : xProp->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_TYPE)) >>= nOldType;
182 0 : descriptor->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_TYPE)) >>= nNewType;
183 0 : xProp->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_TYPENAME)) >>= sOldTypeName;
184 0 : descriptor->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_TYPENAME))>>= sNewTypeName;
185 :
186 : // and precsions and scale
187 0 : xProp->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_PRECISION)) >>= nOldPrec;
188 0 : descriptor->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_PRECISION))>>= nNewPrec;
189 0 : xProp->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_SCALE)) >>= nOldScale;
190 0 : descriptor->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_SCALE)) >>= nNewScale;
191 :
192 : // second: check the "is nullable" value
193 0 : sal_Int32 nOldNullable = 0,nNewNullable = 0;
194 0 : xProp->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_ISNULLABLE)) >>= nOldNullable;
195 0 : descriptor->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_ISNULLABLE)) >>= nNewNullable;
196 :
197 : // check also the auto_increment
198 0 : sal_Bool bOldAutoIncrement = sal_False,bAutoIncrement = sal_False;
199 0 : xProp->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_ISAUTOINCREMENT)) >>= bOldAutoIncrement;
200 0 : descriptor->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_ISAUTOINCREMENT)) >>= bAutoIncrement;
201 :
202 : // now we should look if the name of the column changed
203 0 : OUString sNewColumnName;
204 0 : descriptor->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_NAME)) >>= sNewColumnName;
205 0 : if ( !sNewColumnName.equals(colName) )
206 : {
207 0 : const OUString sQuote = getMetaData()->getIdentifierQuoteString( );
208 :
209 0 : OUString sSql = getAlterTableColumnPart() +
210 0 : " ALTER COLUMN " +
211 0 : ::dbtools::quoteName(sQuote,colName) +
212 0 : " RENAME TO " +
213 0 : ::dbtools::quoteName(sQuote,sNewColumnName);
214 :
215 0 : executeStatement(sSql);
216 : }
217 :
218 0 : if ( nOldType != nNewType
219 0 : || sOldTypeName != sNewTypeName
220 0 : || nOldPrec != nNewPrec
221 0 : || nOldScale != nNewScale
222 0 : || nNewNullable != nOldNullable
223 0 : || bOldAutoIncrement != bAutoIncrement )
224 : {
225 : // special handling because they change the type names to distinguish
226 : // if a column should be an auto_incmrement one
227 0 : if ( bOldAutoIncrement != bAutoIncrement )
228 : {
229 : /// TODO: insert special handling for auto increment "IDENTITY" and primary key
230 : }
231 0 : alterColumnType(nNewType,sNewColumnName,descriptor);
232 : }
233 :
234 : // third: check the default values
235 0 : OUString sNewDefault,sOldDefault;
236 0 : xProp->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_DEFAULTVALUE)) >>= sOldDefault;
237 0 : descriptor->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_DEFAULTVALUE)) >>= sNewDefault;
238 :
239 0 : if(!sOldDefault.isEmpty())
240 : {
241 0 : dropDefaultValue(colName);
242 0 : if(!sNewDefault.isEmpty() && sOldDefault != sNewDefault)
243 0 : alterDefaultValue(sNewDefault,sNewColumnName);
244 : }
245 0 : else if(sOldDefault.isEmpty() && !sNewDefault.isEmpty())
246 0 : alterDefaultValue(sNewDefault,sNewColumnName);
247 :
248 0 : m_pColumns->refresh();
249 : }
250 : else
251 : {
252 0 : if(m_pColumns)
253 : {
254 0 : m_pColumns->dropByName(colName);
255 0 : m_pColumns->appendByDescriptor(descriptor);
256 : }
257 0 : }
258 :
259 0 : }
260 :
261 0 : void OHSQLTable::alterColumnType(sal_Int32 nNewType,const OUString& _rColName, const Reference<XPropertySet>& _xDescriptor)
262 : {
263 0 : OUString sSql = getAlterTableColumnPart();
264 :
265 0 : sSql += " ALTER COLUMN ";
266 : #if OSL_DEBUG_LEVEL > 0
267 : try
268 : {
269 : OUString sDescriptorName;
270 : OSL_ENSURE( _xDescriptor.is()
271 : && ( _xDescriptor->getPropertyValue( OMetaConnection::getPropMap().getNameByIndex( PROPERTY_ID_NAME ) ) >>= sDescriptorName )
272 : && ( sDescriptorName == _rColName ),
273 : "OHSQLTable::alterColumnType: unexpected column name!" );
274 : }
275 : catch( const Exception& )
276 : {
277 : DBG_UNHANDLED_EXCEPTION();
278 : }
279 : #else
280 : (void)_rColName;
281 : #endif
282 :
283 0 : OHSQLColumn* pColumn = new OHSQLColumn(sal_True);
284 0 : Reference<XPropertySet> xProp = pColumn;
285 0 : ::comphelper::copyProperties(_xDescriptor,xProp);
286 0 : xProp->setPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_TYPE),makeAny(nNewType));
287 :
288 0 : sSql += ::dbtools::createStandardColumnPart(xProp,getConnection());
289 0 : executeStatement(sSql);
290 0 : }
291 :
292 0 : void OHSQLTable::alterDefaultValue(const OUString& _sNewDefault,const OUString& _rColName)
293 : {
294 0 : const OUString sQuote = getMetaData()->getIdentifierQuoteString( );
295 0 : OUString sSql = getAlterTableColumnPart() +
296 0 : " ALTER COLUMN " +
297 0 : ::dbtools::quoteName(sQuote,_rColName) +
298 0 : " SET DEFAULT '" + _sNewDefault + "'";
299 :
300 0 : executeStatement(sSql);
301 0 : }
302 :
303 0 : void OHSQLTable::dropDefaultValue(const OUString& _rColName)
304 : {
305 0 : const OUString sQuote = getMetaData()->getIdentifierQuoteString( );
306 0 : OUString sSql = getAlterTableColumnPart() +
307 0 : " ALTER COLUMN " +
308 0 : ::dbtools::quoteName(sQuote,_rColName) +
309 0 : " DROP DEFAULT";
310 :
311 0 : executeStatement(sSql);
312 0 : }
313 :
314 0 : OUString OHSQLTable::getAlterTableColumnPart()
315 : {
316 0 : OUString sSql( "ALTER TABLE " );
317 :
318 0 : OUString sComposedName( ::dbtools::composeTableName( getMetaData(), m_CatalogName, m_SchemaName, m_Name, true, ::dbtools::eInTableDefinitions ) );
319 0 : sSql += sComposedName;
320 :
321 0 : return sSql;
322 : }
323 :
324 0 : void OHSQLTable::executeStatement(const OUString& _rStatement )
325 : {
326 0 : OUString sSQL = _rStatement;
327 0 : if(sSQL.endsWith(","))
328 0 : sSQL = sSQL.replaceAt(sSQL.getLength()-1, 1, ")");
329 :
330 0 : Reference< XStatement > xStmt = getConnection()->createStatement( );
331 0 : if ( xStmt.is() )
332 : {
333 0 : try { xStmt->execute(sSQL); }
334 0 : catch( const Exception& )
335 : {
336 0 : ::comphelper::disposeComponent(xStmt);
337 0 : throw;
338 : }
339 0 : ::comphelper::disposeComponent(xStmt);
340 0 : }
341 0 : }
342 :
343 0 : Sequence< Type > SAL_CALL OHSQLTable::getTypes( ) throw(RuntimeException, std::exception)
344 : {
345 0 : if ( m_Type.equalsAscii("VIEW") )
346 : {
347 0 : Sequence< Type > aTypes = OTableHelper::getTypes();
348 0 : ::std::vector<Type> aOwnTypes;
349 0 : aOwnTypes.reserve(aTypes.getLength());
350 0 : const Type* pIter = aTypes.getConstArray();
351 0 : const Type* pEnd = pIter + aTypes.getLength();
352 0 : for(;pIter != pEnd;++pIter)
353 : {
354 0 : if( *pIter != ::getCppuType((const Reference<XRename>*)0) )
355 : {
356 0 : aOwnTypes.push_back(*pIter);
357 : }
358 : }
359 0 : Type *pTypes = aOwnTypes.empty() ? 0 : &aOwnTypes[0];
360 0 : return Sequence< Type >(pTypes, aOwnTypes.size());
361 : }
362 0 : return OTableHelper::getTypes();
363 : }
364 :
365 : // XRename
366 0 : void SAL_CALL OHSQLTable::rename( const OUString& newName ) throw(SQLException, ElementExistException, RuntimeException, std::exception)
367 : {
368 0 : ::osl::MutexGuard aGuard(m_aMutex);
369 : checkDisposed(
370 : #ifdef __GNUC__
371 : ::connectivity::sdbcx::OTableDescriptor_BASE::rBHelper.bDisposed
372 : #else
373 : rBHelper.bDisposed
374 : #endif
375 0 : );
376 :
377 0 : if(!isNew())
378 : {
379 0 : OUString sSql = "ALTER ";
380 0 : if ( m_Type == "VIEW" )
381 0 : sSql += " VIEW ";
382 : else
383 0 : sSql += " TABLE ";
384 :
385 0 : OUString sCatalog,sSchema,sTable;
386 0 : ::dbtools::qualifiedNameComponents(getMetaData(),newName,sCatalog,sSchema,sTable,::dbtools::eInDataManipulation);
387 :
388 : sSql +=
389 0 : ::dbtools::composeTableName( getMetaData(), m_CatalogName, m_SchemaName, m_Name, true, ::dbtools::eInDataManipulation )
390 0 : + " RENAME TO "
391 0 : + ::dbtools::composeTableName( getMetaData(), sCatalog, sSchema, sTable, true, ::dbtools::eInDataManipulation );
392 :
393 0 : executeStatement(sSql);
394 :
395 0 : ::connectivity::OTable_TYPEDEF::rename(newName);
396 : }
397 : else
398 0 : ::dbtools::qualifiedNameComponents(getMetaData(),newName,m_CatalogName,m_SchemaName,m_Name,::dbtools::eInTableDefinitions);
399 0 : }
400 :
401 :
402 0 : Any SAL_CALL OHSQLTable::queryInterface( const Type & rType ) throw(RuntimeException, std::exception)
403 : {
404 0 : if( m_Type.equalsAscii("VIEW") && rType == ::getCppuType((const Reference<XRename>*)0) )
405 0 : return Any();
406 :
407 0 : return OTableHelper::queryInterface(rType);
408 : }
409 :
410 :
411 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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