1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
3 * This file is part of the LibreOffice project.
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/.
9 * This file incorporates work covered by the following license notice:
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 .
22 #include <com/sun/star/sdbc/FetchDirection.hpp>
23 #include <com/sun/star/sdbc/XResultSet.hpp>
24 #include <com/sun/star/sdbc/XRow.hpp>
25 #include <com/sun/star/sdbc/XResultSetMetaDataSupplier.hpp>
26 #include <com/sun/star/sdbc/XCloseable.hpp>
27 #include <com/sun/star/sdbc/XColumnLocate.hpp>
28 #include <com/sun/star/util/XCancellable.hpp>
29 #include <com/sun/star/sdbc/XWarningsSupplier.hpp>
30 #include <com/sun/star/sdbc/XResultSetUpdate.hpp>
31 #include <com/sun/star/sdbc/XRowUpdate.hpp>
32 #include <com/sun/star/sdbcx/XRowLocate.hpp>
33 #include <com/sun/star/sdbcx/XDeleteRows.hpp>
34 #include <cppuhelper/compbase.hxx>
35 #include <comphelper/proparrhlp.hxx>
36 #include <odbc/OFunctions.hxx>
37 #include <odbc/OStatement.hxx>
38 #include <odbc/odbcbasedllapi.hxx>
39 #include <connectivity/CommonTools.hxx>
40 #include <connectivity/FValue.hxx>
41 #include <TSkipDeletedSet.hxx>
43 #include "OResultSetMetaData.hxx"
45 namespace connectivity::odbc
47 class OResultSetMetaData
;
52 typedef ::cppu::WeakComponentImplHelper
< css::sdbc::XResultSet
,
54 css::sdbc::XResultSetMetaDataSupplier
,
55 css::util::XCancellable
,
56 css::sdbc::XWarningsSupplier
,
57 css::sdbc::XResultSetUpdate
,
58 css::sdbc::XRowUpdate
,
59 css::sdbcx::XRowLocate
,
60 css::sdbcx::XDeleteRows
,
61 css::sdbc::XCloseable
,
62 css::sdbc::XColumnLocate
,
63 css::lang::XServiceInfo
> OResultSet_BASE
;
67 /// Functor object for class ZZ returntype is void
68 struct OOO_DLLPUBLIC_ODBCBASE TBookmarkPosMapCompare
70 bool operator()( const css::uno::Sequence
<sal_Int8
>& _rLH
,
71 const css::uno::Sequence
<sal_Int8
>& _rRH
) const
73 if(_rLH
.getLength() == _rRH
.getLength())
75 sal_Int32 nCount
= _rLH
.getLength();
78 const sal_Int8
* pLHBack
= _rLH
.getConstArray() + nCount
- 1;
79 const sal_Int8
* pRHBack
= _rRH
.getConstArray() + nCount
- 1;
82 for(i
=0;i
< nCount
;++i
,--pLHBack
,--pRHBack
)
84 if(!(*pLHBack
) && *pRHBack
)
86 else if(*pLHBack
&& !(*pRHBack
))
89 for(i
=0,++pLHBack
,++pRHBack
;i
< nCount
;++pLHBack
,++pRHBack
,++i
)
90 if(*pLHBack
< *pRHBack
)
95 return *reinterpret_cast<const sal_Int32
*>(_rLH
.getConstArray()) < *reinterpret_cast<const sal_Int32
*>(_rRH
.getConstArray());
99 return _rLH
.getLength() < _rRH
.getLength();
103 typedef std::map
< css::uno::Sequence
<sal_Int8
>, sal_Int32
,TBookmarkPosMapCompare
> TBookmarkPosMap
;
106 public cppu::BaseMutex
,
107 public ::connectivity::IResultSetHelper
,
108 public OResultSet_BASE
,
109 public ::cppu::OPropertySetHelper
,
110 public ::comphelper::OPropertyArrayUsageHelper
<OResultSet
>
113 TBookmarkPosMap m_aPosToBookmarks
;
114 // used top hold the information about the value and the datatype to save calls to metadata
115 typedef std::vector
<ORowSetValue
> TDataRow
;
117 std::vector
<std::unique_ptr
<BindData
>> m_aBindVector
;
118 std::vector
<SQLLEN
> m_aLengthVector
;
119 std::map
<sal_Int32
,SWORD
> m_aODBCColumnTypes
;
121 // In baseline ODBC, SQLGetData can only be called on monotonically increasing column numbers.
122 // additionally, any variable-length data can be fetched only once (possibly in parts);
123 // after that, SQLGetData returns SQL_NO_DATA.
124 // In order to insulate our callers from these restrictions,
125 // we cache the current row in m_aRow.
126 // If the driver claims to support the GD_ANY_ORDER extension,
127 // we read and cache only the columns requested by a caller.
128 // Else, we read and cache all columns whose number is <= a requested column.
129 // m_aRow[colNumber].getBound() says if it contains an up-to-date value or not.
131 bool m_bFetchDataInOrder
;
132 SQLHANDLE m_aStatementHandle
;
133 SQLHANDLE m_aConnectionHandle
;
134 OStatement_Base
* m_pStatement
;
135 std::unique_ptr
<OSkipDeletedSet
> m_pSkipDeletedSet
;
136 css::uno::Reference
< css::uno::XInterface
> m_xStatement
;
137 rtl::Reference
< OResultSetMetaData
> m_xMetaData
;
138 std::unique_ptr
<SQLUSMALLINT
[]> m_pRowStatusArray
;
139 rtl_TextEncoding m_nTextEncoding
;
141 mutable sal_uInt32 m_nUseBookmarks
;
142 SQLRETURN m_nCurrentFetchState
;
144 bool m_bEOF
; // after last record
147 bool m_bUseFetchScroll
;
149 bool isBookmarkable() const;
150 sal_Int32
getResultSetConcurrency() const;
151 sal_Int32
getResultSetType() const;
152 static sal_Int32
getFetchDirection() { return css::sdbc::FetchDirection::FORWARD
; }
153 sal_Int32
getFetchSize() const;
154 OUString
getCursorName() const;
155 template < typename T
, SQLINTEGER BufferLength
> T
getStmtOption (SQLINTEGER fOption
) const;
157 void setFetchDirection(sal_Int32 _par0
);
158 void setFetchSize(sal_Int32 _par0
);
159 template < typename T
, SQLINTEGER BufferLength
> SQLRETURN
setStmtOption (SQLINTEGER fOption
, T value
) const;
162 void ensureCacheForColumn(sal_Int32 columnIndex
);
163 void invalidateCache();
164 void fillColumn(sal_Int32 _nToColumn
);
166 void releaseBuffer();
167 /// @throws css::sdbc::SQLException
168 /// @throws css::uno::RuntimeException
169 void updateValue(sal_Int32 columnIndex
, SQLSMALLINT _nType
, void const * _pValue
);
170 void fillNeededData(SQLRETURN _nRet
);
171 bool moveImpl(IResultSetHelper::Movement _eCursorPosition
, sal_Int32 _nOffset
);
172 SQLRETURN
unbind(bool _bUnbindHandle
= true);
173 SWORD
impl_getColumnType_nothrow(sal_Int32 columnIndex
);
175 // helper to implement XRow::getXXX in simple cases
176 template < typename T
> T
getValue( sal_Int32 columnIndex
);
177 // impl_getXXX are the functions that do the actual fetching from ODBC, ignoring the cache
179 template < typename T
> T
impl_getValue( const sal_Int32 _nColumnIndex
, SQLSMALLINT nType
);
180 // these cases need some special treatment
181 /// @throws css::sdbc::SQLException
182 /// @throws css::uno::RuntimeException
183 bool impl_getBoolean( sal_Int32 columnIndex
);
184 /// @throws css::sdbc::SQLException
185 /// @throws css::uno::RuntimeException
186 css::uno::Sequence
< sal_Int8
> impl_getBytes( sal_Int32 columnIndex
);
187 /// @throws css::sdbc::SQLException
188 /// @throws css::uno::RuntimeException
189 css::util::Date
impl_getDate( sal_Int32 columnIndex
);
190 /// @throws css::sdbc::SQLException
191 /// @throws css::uno::RuntimeException
192 css::util::Time
impl_getTime( sal_Int32 columnIndex
);
193 /// @throws css::sdbc::SQLException
194 /// @throws css::uno::RuntimeException
195 css::util::DateTime
impl_getTimestamp( sal_Int32 columnIndex
);
196 /// @throws css::sdbc::SQLException
197 /// @throws css::uno::RuntimeException
198 sal_Int64
impl_getLong( sal_Int32 columnIndex
);
199 /// @throws css::sdbc::SQLException
200 /// @throws css::uno::RuntimeException
201 OUString
impl_getString( sal_Int32 columnIndex
);
202 /// @throws css::sdbc::SQLException
203 /// @throws css::uno::RuntimeException
204 css::uno::Sequence
<sal_Int8
> impl_getBookmark( );
207 // OPropertyArrayUsageHelper
208 virtual ::cppu::IPropertyArrayHelper
* createArrayHelper( ) const override
;
209 // OPropertySetHelper
210 virtual ::cppu::IPropertyArrayHelper
& SAL_CALL
getInfoHelper() override
;
212 virtual sal_Bool SAL_CALL
convertFastPropertyValue(
213 css::uno::Any
& rConvertedValue
,
214 css::uno::Any
& rOldValue
,
216 const css::uno::Any
& rValue
) override
;
217 virtual void SAL_CALL
setFastPropertyValue_NoBroadcast(
219 const css::uno::Any
& rValue
221 virtual void SAL_CALL
getFastPropertyValue(
222 css::uno::Any
& rValue
,
226 DECLARE_SERVICE_INFO();
227 // A ctor that is needed for returning the object
228 OResultSet( SQLHANDLE _pStatementHandle
,OStatement_Base
* pStmt
);
229 virtual ~OResultSet() override
;
233 const Functions
& functions() const { return m_pStatement
->functions(); }
235 css::uno::Reference
< css::uno::XInterface
> operator *()
237 return css::uno::Reference
< css::uno::XInterface
>(*static_cast<OResultSet_BASE
*>(this));
240 void setMetaData(const rtl::Reference
<OResultSetMetaData
>& _xMetaData
) { m_xMetaData
= _xMetaData
;}
242 // ::cppu::OComponentHelper
243 virtual void SAL_CALL
disposing() override
;
245 virtual css::uno::Any SAL_CALL
queryInterface( const css::uno::Type
& rType
) override
;
246 virtual void SAL_CALL
acquire() noexcept override
;
247 virtual void SAL_CALL
release() noexcept override
;
249 virtual css::uno::Sequence
< css::uno::Type
> SAL_CALL
getTypes( ) override
;
251 virtual css::uno::Reference
< css::beans::XPropertySetInfo
> SAL_CALL
getPropertySetInfo( ) override
;
253 virtual sal_Bool SAL_CALL
next( ) override
;
254 virtual sal_Bool SAL_CALL
isBeforeFirst( ) override
;
255 virtual sal_Bool SAL_CALL
isAfterLast( ) override
;
256 virtual sal_Bool SAL_CALL
isFirst( ) override
;
257 virtual sal_Bool SAL_CALL
isLast( ) override
;
258 virtual void SAL_CALL
beforeFirst( ) override
;
259 virtual void SAL_CALL
afterLast( ) override
;
260 virtual sal_Bool SAL_CALL
first( ) override
;
261 virtual sal_Bool SAL_CALL
last( ) override
;
262 virtual sal_Int32 SAL_CALL
getRow( ) override
;
263 virtual sal_Bool SAL_CALL
absolute( sal_Int32 row
) override
;
264 virtual sal_Bool SAL_CALL
relative( sal_Int32 rows
) override
;
265 virtual sal_Bool SAL_CALL
previous( ) override
;
266 virtual void SAL_CALL
refreshRow( ) override
;
267 virtual sal_Bool SAL_CALL
rowUpdated( ) override
;
268 virtual sal_Bool SAL_CALL
rowInserted( ) override
;
269 virtual sal_Bool SAL_CALL
rowDeleted( ) override
;
270 virtual css::uno::Reference
< css::uno::XInterface
> SAL_CALL
getStatement( ) override
;
272 virtual sal_Bool SAL_CALL
wasNull( ) override
;
273 virtual OUString SAL_CALL
getString( sal_Int32 columnIndex
) override
;
274 virtual sal_Bool SAL_CALL
getBoolean( sal_Int32 columnIndex
) override
;
275 virtual sal_Int8 SAL_CALL
getByte( sal_Int32 columnIndex
) override
;
276 virtual sal_Int16 SAL_CALL
getShort( sal_Int32 columnIndex
) override
;
277 virtual sal_Int32 SAL_CALL
getInt( sal_Int32 columnIndex
) override
;
278 virtual sal_Int64 SAL_CALL
getLong( sal_Int32 columnIndex
) override
;
279 virtual float SAL_CALL
getFloat( sal_Int32 columnIndex
) override
;
280 virtual double SAL_CALL
getDouble( sal_Int32 columnIndex
) override
;
281 virtual css::uno::Sequence
< sal_Int8
> SAL_CALL
getBytes( sal_Int32 columnIndex
) override
;
282 virtual css::util::Date SAL_CALL
getDate( sal_Int32 columnIndex
) override
;
283 virtual css::util::Time SAL_CALL
getTime( sal_Int32 columnIndex
) override
;
284 virtual css::util::DateTime SAL_CALL
getTimestamp( sal_Int32 columnIndex
) override
;
285 virtual css::uno::Reference
< css::io::XInputStream
> SAL_CALL
getBinaryStream( sal_Int32 columnIndex
) override
;
286 virtual css::uno::Reference
< css::io::XInputStream
> SAL_CALL
getCharacterStream( sal_Int32 columnIndex
) override
;
287 virtual css::uno::Any SAL_CALL
getObject( sal_Int32 columnIndex
, const css::uno::Reference
< css::container::XNameAccess
>& typeMap
) override
;
288 virtual css::uno::Reference
< css::sdbc::XRef
> SAL_CALL
getRef( sal_Int32 columnIndex
) override
;
289 virtual css::uno::Reference
< css::sdbc::XBlob
> SAL_CALL
getBlob( sal_Int32 columnIndex
) override
;
290 virtual css::uno::Reference
< css::sdbc::XClob
> SAL_CALL
getClob( sal_Int32 columnIndex
) override
;
291 virtual css::uno::Reference
< css::sdbc::XArray
> SAL_CALL
getArray( sal_Int32 columnIndex
) override
;
292 // XResultSetMetaDataSupplier
293 virtual css::uno::Reference
< css::sdbc::XResultSetMetaData
> SAL_CALL
getMetaData( ) override
;
295 virtual void SAL_CALL
cancel( ) override
;
297 virtual void SAL_CALL
close( ) override
;
299 virtual css::uno::Any SAL_CALL
getWarnings( ) override
;
300 virtual void SAL_CALL
clearWarnings( ) override
;
302 virtual void SAL_CALL
insertRow( ) override
;
303 virtual void SAL_CALL
updateRow( ) override
;
304 virtual void SAL_CALL
deleteRow( ) override
;
305 virtual void SAL_CALL
cancelRowUpdates( ) override
;
306 virtual void SAL_CALL
moveToInsertRow( ) override
;
307 virtual void SAL_CALL
moveToCurrentRow( ) override
;
309 virtual void SAL_CALL
updateNull( sal_Int32 columnIndex
) override
;
310 virtual void SAL_CALL
updateBoolean( sal_Int32 columnIndex
, sal_Bool x
) override
;
311 virtual void SAL_CALL
updateByte( sal_Int32 columnIndex
, sal_Int8 x
) override
;
312 virtual void SAL_CALL
updateShort( sal_Int32 columnIndex
, sal_Int16 x
) override
;
313 virtual void SAL_CALL
updateInt( sal_Int32 columnIndex
, sal_Int32 x
) override
;
314 virtual void SAL_CALL
updateLong( sal_Int32 columnIndex
, sal_Int64 x
) override
;
315 virtual void SAL_CALL
updateFloat( sal_Int32 columnIndex
, float x
) override
;
316 virtual void SAL_CALL
updateDouble( sal_Int32 columnIndex
, double x
) override
;
317 virtual void SAL_CALL
updateString( sal_Int32 columnIndex
, const OUString
& x
) override
;
318 virtual void SAL_CALL
updateBytes( sal_Int32 columnIndex
, const css::uno::Sequence
< sal_Int8
>& x
) override
;
319 virtual void SAL_CALL
updateDate( sal_Int32 columnIndex
, const css::util::Date
& x
) override
;
320 virtual void SAL_CALL
updateTime( sal_Int32 columnIndex
, const css::util::Time
& x
) override
;
321 virtual void SAL_CALL
updateTimestamp( sal_Int32 columnIndex
, const css::util::DateTime
& x
) override
;
322 virtual void SAL_CALL
updateBinaryStream( sal_Int32 columnIndex
, const css::uno::Reference
< css::io::XInputStream
>& x
, sal_Int32 length
) override
;
323 virtual void SAL_CALL
updateCharacterStream( sal_Int32 columnIndex
, const css::uno::Reference
< css::io::XInputStream
>& x
, sal_Int32 length
) override
;
324 virtual void SAL_CALL
updateObject( sal_Int32 columnIndex
, const css::uno::Any
& x
) override
;
325 virtual void SAL_CALL
updateNumericObject( sal_Int32 columnIndex
, const css::uno::Any
& x
, sal_Int32 scale
) override
;
327 virtual sal_Int32 SAL_CALL
findColumn( const OUString
& columnName
) override
;
329 virtual css::uno::Any SAL_CALL
getBookmark( ) override
;
330 virtual sal_Bool SAL_CALL
moveToBookmark( const css::uno::Any
& bookmark
) override
;
331 virtual sal_Bool SAL_CALL
moveRelativeToBookmark( const css::uno::Any
& bookmark
, sal_Int32 rows
) override
;
332 virtual sal_Int32 SAL_CALL
compareBookmarks( const css::uno::Any
& first
, const css::uno::Any
& second
) override
;
333 virtual sal_Bool SAL_CALL
hasOrderedBookmarks( ) override
;
334 virtual sal_Int32 SAL_CALL
hashBookmark( const css::uno::Any
& bookmark
) override
;
336 virtual css::uno::Sequence
< sal_Int32
> SAL_CALL
deleteRows( const css::uno::Sequence
< css::uno::Any
>& rows
) override
;
339 virtual bool move(IResultSetHelper::Movement _eCursorPosition
, sal_Int32 _nOffset
, bool _bRetrieveData
) override
;
340 virtual sal_Int32
getDriverPos() const override
;
341 virtual bool isRowDeleted() const override
;
344 using OPropertySetHelper::getFastPropertyValue
;
350 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */