summaryrefslogtreecommitdiffstats
path: root/connectivity/source/inc/odbc/OResultSet.hxx
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--connectivity/source/inc/odbc/OResultSet.hxx358
1 files changed, 358 insertions, 0 deletions
diff --git a/connectivity/source/inc/odbc/OResultSet.hxx b/connectivity/source/inc/odbc/OResultSet.hxx
new file mode 100644
index 000000000..960db1824
--- /dev/null
+++ b/connectivity/source/inc/odbc/OResultSet.hxx
@@ -0,0 +1,358 @@
+/* -*- 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 .
+ */
+
+#ifndef INCLUDED_CONNECTIVITY_SOURCE_INC_ODBC_ORESULTSET_HXX
+#define INCLUDED_CONNECTIVITY_SOURCE_INC_ODBC_ORESULTSET_HXX
+
+#include <com/sun/star/sdbc/FetchDirection.hpp>
+#include <com/sun/star/sdbc/XResultSet.hpp>
+#include <com/sun/star/sdbc/XRow.hpp>
+#include <com/sun/star/sdbc/XResultSetMetaDataSupplier.hpp>
+#include <com/sun/star/sdbc/XCloseable.hpp>
+#include <com/sun/star/sdbc/XColumnLocate.hpp>
+#include <com/sun/star/util/XCancellable.hpp>
+#include <com/sun/star/sdbc/XWarningsSupplier.hpp>
+#include <com/sun/star/sdbc/XResultSetUpdate.hpp>
+#include <com/sun/star/sdbc/XRowUpdate.hpp>
+#include <com/sun/star/sdbcx/XRowLocate.hpp>
+#include <com/sun/star/sdbcx/XDeleteRows.hpp>
+#include <cppuhelper/compbase.hxx>
+#include <comphelper/proparrhlp.hxx>
+#include <odbc/OFunctions.hxx>
+#include <odbc/OStatement.hxx>
+#include <odbc/odbcbasedllapi.hxx>
+#include <connectivity/CommonTools.hxx>
+#include <connectivity/FValue.hxx>
+#include <TSkipDeletedSet.hxx>
+#include <memory>
+
+namespace connectivity
+{
+ namespace odbc
+ {
+
+ /*
+ ** java_sql_ResultSet
+ */
+ typedef ::cppu::WeakComponentImplHelper< css::sdbc::XResultSet,
+ css::sdbc::XRow,
+ css::sdbc::XResultSetMetaDataSupplier,
+ css::util::XCancellable,
+ css::sdbc::XWarningsSupplier,
+ css::sdbc::XResultSetUpdate,
+ css::sdbc::XRowUpdate,
+ css::sdbcx::XRowLocate,
+ css::sdbcx::XDeleteRows,
+ css::sdbc::XCloseable,
+ css::sdbc::XColumnLocate,
+ css::lang::XServiceInfo> OResultSet_BASE;
+
+
+ typedef std::pair<sal_Int64,sal_Int32> TVoidPtr;
+ typedef std::allocator< TVoidPtr > TVoidAlloc;
+ typedef std::vector<TVoidPtr> TVoidVector;
+ /// Functor object for class ZZ returntype is void
+ struct OOO_DLLPUBLIC_ODBCBASE TBookmarkPosMapCompare
+ {
+ bool operator()( const css::uno::Sequence<sal_Int8>& _rLH,
+ const css::uno::Sequence<sal_Int8>& _rRH) const
+ {
+ if(_rLH.getLength() == _rRH.getLength())
+ {
+ sal_Int32 nCount = _rLH.getLength();
+ if(nCount != 4)
+ {
+ const sal_Int8* pLHBack = _rLH.getConstArray() + nCount - 1;
+ const sal_Int8* pRHBack = _rRH.getConstArray() + nCount - 1;
+
+ sal_Int32 i;
+ for(i=0;i < nCount;++i,--pLHBack,--pRHBack)
+ {
+ if(!(*pLHBack) && *pRHBack)
+ return true;
+ else if(*pLHBack && !(*pRHBack))
+ return false;
+ }
+ for(i=0,++pLHBack,++pRHBack;i < nCount;++pLHBack,++pRHBack,++i)
+ if(*pLHBack < *pRHBack)
+ return true;
+ return false;
+ }
+ else
+ return *reinterpret_cast<const sal_Int32*>(_rLH.getConstArray()) < *reinterpret_cast<const sal_Int32*>(_rRH.getConstArray());
+
+ }
+ else
+ return _rLH.getLength() < _rRH.getLength();
+ }
+ };
+
+ typedef std::map< css::uno::Sequence<sal_Int8>, sal_Int32,TBookmarkPosMapCompare > TBookmarkPosMap;
+
+ class OOO_DLLPUBLIC_ODBCBASE OResultSet :
+ public cppu::BaseMutex,
+ public ::connectivity::IResultSetHelper,
+ public OResultSet_BASE,
+ public ::cppu::OPropertySetHelper,
+ public ::comphelper::OPropertyArrayUsageHelper<OResultSet>
+ {
+ protected:
+ TBookmarkPosMap m_aPosToBookmarks;
+ // used top hold the information about the value and the datatype to save calls to metadata
+ typedef std::vector<ORowSetValue> TDataRow;
+
+ TVoidVector m_aBindVector;
+ std::vector<SQLLEN> m_aLengthVector;
+ std::map<sal_Int32,SWORD> m_aODBCColumnTypes;
+
+ // In baseline ODBC, SQLGetData can only be called on monotonically increasing column numbers.
+ // additionally, any variable-length data can be fetched only once (possibly in parts);
+ // after that, SQLGetData returns SQL_NO_DATA.
+ // In order to insulate our callers from these restrictions,
+ // we cache the current row in m_aRow.
+ // If the driver claims to support the GD_ANY_ORDER extension,
+ // we read and cache only the columns requested by a caller.
+ // Else, we read and cache all columns whose number is <= a requested column.
+ // m_aRow[colNumber].getBound() says if it contains an up-to-date value or not.
+ TDataRow m_aRow;
+ bool m_bFetchDataInOrder;
+ SQLHANDLE m_aStatementHandle;
+ SQLHANDLE m_aConnectionHandle;
+ OStatement_Base* m_pStatement;
+ std::unique_ptr<OSkipDeletedSet> m_pSkipDeletedSet;
+ css::uno::Reference< css::uno::XInterface> m_xStatement;
+ css::uno::Reference< css::sdbc::XResultSetMetaData> m_xMetaData;
+ std::unique_ptr<SQLUSMALLINT[]> m_pRowStatusArray;
+ rtl_TextEncoding m_nTextEncoding;
+ sal_Int32 m_nRowPos;
+ mutable sal_uInt32 m_nUseBookmarks;
+ SQLRETURN m_nCurrentFetchState;
+ bool m_bWasNull;
+ bool m_bEOF; // after last record
+ bool m_bRowInserted;
+ bool m_bRowDeleted;
+ bool m_bUseFetchScroll;
+
+ bool isBookmarkable() const;
+ sal_Int32 getResultSetConcurrency() const;
+ sal_Int32 getResultSetType() const;
+ static sal_Int32 getFetchDirection() { return css::sdbc::FetchDirection::FORWARD; }
+ sal_Int32 getFetchSize() const;
+ OUString getCursorName() const;
+ template < typename T, SQLINTEGER BufferLength > T getStmtOption (SQLINTEGER fOption) const;
+
+ void setFetchDirection(sal_Int32 _par0);
+ void setFetchSize(sal_Int32 _par0);
+ template < typename T, SQLINTEGER BufferLength > SQLRETURN setStmtOption (SQLINTEGER fOption, T value) const;
+
+
+ void ensureCacheForColumn(sal_Int32 columnIndex);
+ void invalidateCache();
+ void fillColumn(sal_Int32 _nToColumn);
+ void allocBuffer();
+ void releaseBuffer();
+ /// @throws css::sdbc::SQLException
+ /// @throws css::uno::RuntimeException
+ void updateValue(sal_Int32 columnIndex, SQLSMALLINT _nType, void const * _pValue);
+ void fillNeededData(SQLRETURN _nRet);
+ bool moveImpl(IResultSetHelper::Movement _eCursorPosition, sal_Int32 _nOffset);
+ TVoidPtr allocBindColumn(sal_Int32 _nType,sal_Int32 _nColumnIndex);
+ SQLRETURN unbind(bool _bUnbindHandle = true);
+ SWORD impl_getColumnType_nothrow(sal_Int32 columnIndex);
+
+ // helper to implement XRow::getXXX in simple cases
+ template < typename T > T getValue( sal_Int32 columnIndex );
+ // impl_getXXX are the functions that do the actual fetching from ODBC, ignoring the cache
+ // for simple cases
+ template < typename T > T impl_getValue( const sal_Int32 _nColumnIndex, SQLSMALLINT nType );
+ // these cases need some special treatment
+ /// @throws css::sdbc::SQLException
+ /// @throws css::uno::RuntimeException
+ bool impl_getBoolean( sal_Int32 columnIndex );
+ /// @throws css::sdbc::SQLException
+ /// @throws css::uno::RuntimeException
+ css::uno::Sequence< sal_Int8 > impl_getBytes( sal_Int32 columnIndex );
+ /// @throws css::sdbc::SQLException
+ /// @throws css::uno::RuntimeException
+ css::util::Date impl_getDate( sal_Int32 columnIndex );
+ /// @throws css::sdbc::SQLException
+ /// @throws css::uno::RuntimeException
+ css::util::Time impl_getTime( sal_Int32 columnIndex );
+ /// @throws css::sdbc::SQLException
+ /// @throws css::uno::RuntimeException
+ css::util::DateTime impl_getTimestamp( sal_Int32 columnIndex );
+ /// @throws css::sdbc::SQLException
+ /// @throws css::uno::RuntimeException
+ sal_Int64 impl_getLong( sal_Int32 columnIndex );
+ /// @throws css::sdbc::SQLException
+ /// @throws css::uno::RuntimeException
+ OUString impl_getString( sal_Int32 columnIndex );
+ /// @throws css::sdbc::SQLException
+ /// @throws css::uno::RuntimeException
+ css::uno::Sequence<sal_Int8> impl_getBookmark( );
+
+
+ // OPropertyArrayUsageHelper
+ virtual ::cppu::IPropertyArrayHelper* createArrayHelper( ) const override;
+ // OPropertySetHelper
+ virtual ::cppu::IPropertyArrayHelper & SAL_CALL getInfoHelper() override;
+
+ virtual sal_Bool SAL_CALL convertFastPropertyValue(
+ css::uno::Any & rConvertedValue,
+ css::uno::Any & rOldValue,
+ sal_Int32 nHandle,
+ const css::uno::Any& rValue ) override;
+ virtual void SAL_CALL setFastPropertyValue_NoBroadcast(
+ sal_Int32 nHandle,
+ const css::uno::Any& rValue
+ ) override;
+ virtual void SAL_CALL getFastPropertyValue(
+ css::uno::Any& rValue,
+ sal_Int32 nHandle
+ ) const override;
+ public:
+ DECLARE_SERVICE_INFO();
+ // A ctor that is needed for returning the object
+ OResultSet( SQLHANDLE _pStatementHandle,OStatement_Base* pStmt);
+ virtual ~OResultSet() override;
+
+ void construct();
+
+ oslGenericFunction getOdbcFunction(ODBC3SQLFunctionId _nIndex) const
+ {
+ return m_pStatement->getOdbcFunction(_nIndex);
+ }
+
+ css::uno::Reference< css::uno::XInterface > operator *()
+ {
+ return css::uno::Reference< css::uno::XInterface >(*static_cast<OResultSet_BASE*>(this));
+ }
+
+ void setMetaData(const css::uno::Reference< css::sdbc::XResultSetMetaData>& _xMetaData) { m_xMetaData = _xMetaData;}
+
+ // ::cppu::OComponentHelper
+ virtual void SAL_CALL disposing() override;
+ // XInterface
+ virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type & rType ) override;
+ virtual void SAL_CALL acquire() throw() override;
+ virtual void SAL_CALL release() throw() override;
+ //XTypeProvider
+ virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes( ) override;
+ // XPropertySet
+ virtual css::uno::Reference< css::beans::XPropertySetInfo > SAL_CALL getPropertySetInfo( ) override;
+ // XResultSet
+ virtual sal_Bool SAL_CALL next( ) override;
+ virtual sal_Bool SAL_CALL isBeforeFirst( ) override;
+ virtual sal_Bool SAL_CALL isAfterLast( ) override;
+ virtual sal_Bool SAL_CALL isFirst( ) override;
+ virtual sal_Bool SAL_CALL isLast( ) override;
+ virtual void SAL_CALL beforeFirst( ) override;
+ virtual void SAL_CALL afterLast( ) override;
+ virtual sal_Bool SAL_CALL first( ) override;
+ virtual sal_Bool SAL_CALL last( ) override;
+ virtual sal_Int32 SAL_CALL getRow( ) override;
+ virtual sal_Bool SAL_CALL absolute( sal_Int32 row ) override;
+ virtual sal_Bool SAL_CALL relative( sal_Int32 rows ) override;
+ virtual sal_Bool SAL_CALL previous( ) override;
+ virtual void SAL_CALL refreshRow( ) override;
+ virtual sal_Bool SAL_CALL rowUpdated( ) override;
+ virtual sal_Bool SAL_CALL rowInserted( ) override;
+ virtual sal_Bool SAL_CALL rowDeleted( ) override;
+ virtual css::uno::Reference< css::uno::XInterface > SAL_CALL getStatement( ) override;
+ // XRow
+ virtual sal_Bool SAL_CALL wasNull( ) override;
+ virtual OUString SAL_CALL getString( sal_Int32 columnIndex ) override;
+ virtual sal_Bool SAL_CALL getBoolean( sal_Int32 columnIndex ) override;
+ virtual sal_Int8 SAL_CALL getByte( sal_Int32 columnIndex ) override;
+ virtual sal_Int16 SAL_CALL getShort( sal_Int32 columnIndex ) override;
+ virtual sal_Int32 SAL_CALL getInt( sal_Int32 columnIndex ) override;
+ virtual sal_Int64 SAL_CALL getLong( sal_Int32 columnIndex ) override;
+ virtual float SAL_CALL getFloat( sal_Int32 columnIndex ) override;
+ virtual double SAL_CALL getDouble( sal_Int32 columnIndex ) override;
+ virtual css::uno::Sequence< sal_Int8 > SAL_CALL getBytes( sal_Int32 columnIndex ) override;
+ virtual css::util::Date SAL_CALL getDate( sal_Int32 columnIndex ) override;
+ virtual css::util::Time SAL_CALL getTime( sal_Int32 columnIndex ) override;
+ virtual css::util::DateTime SAL_CALL getTimestamp( sal_Int32 columnIndex ) override;
+ virtual css::uno::Reference< css::io::XInputStream > SAL_CALL getBinaryStream( sal_Int32 columnIndex ) override;
+ virtual css::uno::Reference< css::io::XInputStream > SAL_CALL getCharacterStream( sal_Int32 columnIndex ) override;
+ virtual css::uno::Any SAL_CALL getObject( sal_Int32 columnIndex, const css::uno::Reference< css::container::XNameAccess >& typeMap ) override;
+ virtual css::uno::Reference< css::sdbc::XRef > SAL_CALL getRef( sal_Int32 columnIndex ) override;
+ virtual css::uno::Reference< css::sdbc::XBlob > SAL_CALL getBlob( sal_Int32 columnIndex ) override;
+ virtual css::uno::Reference< css::sdbc::XClob > SAL_CALL getClob( sal_Int32 columnIndex ) override;
+ virtual css::uno::Reference< css::sdbc::XArray > SAL_CALL getArray( sal_Int32 columnIndex ) override;
+ // XResultSetMetaDataSupplier
+ virtual css::uno::Reference< css::sdbc::XResultSetMetaData > SAL_CALL getMetaData( ) override;
+ // XCancellable
+ virtual void SAL_CALL cancel( ) override;
+ // XCloseable
+ virtual void SAL_CALL close( ) override;
+ // XWarningsSupplier
+ virtual css::uno::Any SAL_CALL getWarnings( ) override;
+ virtual void SAL_CALL clearWarnings( ) override;
+ // XResultSetUpdate
+ virtual void SAL_CALL insertRow( ) override;
+ virtual void SAL_CALL updateRow( ) override;
+ virtual void SAL_CALL deleteRow( ) override;
+ virtual void SAL_CALL cancelRowUpdates( ) override;
+ virtual void SAL_CALL moveToInsertRow( ) override;
+ virtual void SAL_CALL moveToCurrentRow( ) override;
+ // XRowUpdate
+ virtual void SAL_CALL updateNull( sal_Int32 columnIndex ) override;
+ virtual void SAL_CALL updateBoolean( sal_Int32 columnIndex, sal_Bool x ) override;
+ virtual void SAL_CALL updateByte( sal_Int32 columnIndex, sal_Int8 x ) override;
+ virtual void SAL_CALL updateShort( sal_Int32 columnIndex, sal_Int16 x ) override;
+ virtual void SAL_CALL updateInt( sal_Int32 columnIndex, sal_Int32 x ) override;
+ virtual void SAL_CALL updateLong( sal_Int32 columnIndex, sal_Int64 x ) override;
+ virtual void SAL_CALL updateFloat( sal_Int32 columnIndex, float x ) override;
+ virtual void SAL_CALL updateDouble( sal_Int32 columnIndex, double x ) override;
+ virtual void SAL_CALL updateString( sal_Int32 columnIndex, const OUString& x ) override;
+ virtual void SAL_CALL updateBytes( sal_Int32 columnIndex, const css::uno::Sequence< sal_Int8 >& x ) override;
+ virtual void SAL_CALL updateDate( sal_Int32 columnIndex, const css::util::Date& x ) override;
+ virtual void SAL_CALL updateTime( sal_Int32 columnIndex, const css::util::Time& x ) override;
+ virtual void SAL_CALL updateTimestamp( sal_Int32 columnIndex, const css::util::DateTime& x ) override;
+ virtual void SAL_CALL updateBinaryStream( sal_Int32 columnIndex, const css::uno::Reference< css::io::XInputStream >& x, sal_Int32 length ) override;
+ virtual void SAL_CALL updateCharacterStream( sal_Int32 columnIndex, const css::uno::Reference< css::io::XInputStream >& x, sal_Int32 length ) override;
+ virtual void SAL_CALL updateObject( sal_Int32 columnIndex, const css::uno::Any& x ) override;
+ virtual void SAL_CALL updateNumericObject( sal_Int32 columnIndex, const css::uno::Any& x, sal_Int32 scale ) override;
+ // XColumnLocate
+ virtual sal_Int32 SAL_CALL findColumn( const OUString& columnName ) override;
+ // XRowLocate
+ virtual css::uno::Any SAL_CALL getBookmark( ) override;
+ virtual sal_Bool SAL_CALL moveToBookmark( const css::uno::Any& bookmark ) override;
+ virtual sal_Bool SAL_CALL moveRelativeToBookmark( const css::uno::Any& bookmark, sal_Int32 rows ) override;
+ virtual sal_Int32 SAL_CALL compareBookmarks( const css::uno::Any& first, const css::uno::Any& second ) override;
+ virtual sal_Bool SAL_CALL hasOrderedBookmarks( ) override;
+ virtual sal_Int32 SAL_CALL hashBookmark( const css::uno::Any& bookmark ) override;
+ // XDeleteRows
+ virtual css::uno::Sequence< sal_Int32 > SAL_CALL deleteRows( const css::uno::Sequence< css::uno::Any >& rows ) override;
+
+ // IResultSetHelper
+ virtual bool move(IResultSetHelper::Movement _eCursorPosition, sal_Int32 _nOffset, bool _bRetrieveData) override;
+ virtual sal_Int32 getDriverPos() const override;
+ virtual bool isRowDeleted() const override;
+
+ protected:
+ using OPropertySetHelper::getFastPropertyValue;
+ };
+ }
+}
+#endif // INCLUDED_CONNECTIVITY_SOURCE_INC_ODBC_ORESULTSET_HXX
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */