Clean up sEmpty

Change-Id: If1b2bfe308caa2bce92e73d2c5c86ee273faed93

5 files changed, 8 insertions, 16 deletions

diff --git a/dbaccess/source/core/api/KeySet.cxx b/dbaccess/source/core/api/KeySet.cxx
index 060f028ebd80..429ff3040cdf 100644
--- a/dbaccess/source/core/api/KeySet.cxx
+++ b/dbaccess/source/core/api/KeySet.cxx
@@ -549,8 +549,7 @@ void SAL_CALL OKeySet::updateRow(const ORowSetRow& _rInsertRow ,const ORowSetRow
         ::dbtools::throwSQLException( DBACORE_RESSTRING( RID_STR_NO_CONDITION_FOR_PK ), SQL_GENERAL_ERROR, m_xConnection );
 
     // now create end execute the prepared statement
-    OUString sEmpty;
-    executeUpdate(_rInsertRow ,_rOriginalRow,aSql.makeStringAndClear(),sEmpty,aIndexColumnPositions);
+    executeUpdate(_rInsertRow ,_rOriginalRow,aSql.makeStringAndClear(),"",aIndexColumnPositions);
 }
 
 void OKeySet::executeUpdate(const ORowSetRow& _rInsertRow ,const ORowSetRow& _rOriginalRow,const OUString& i_sSQL,const OUString& i_sTableName,const ::std::vector<sal_Int32>& _aIndexColumnPositions)
@@ -657,8 +656,7 @@ void SAL_CALL OKeySet::insertRow( const ORowSetRow& _rInsertRow,const connectivi
     aValues[aValues.getLength() - 1] = ')';
     aSql.append(aValues.makeStringAndClear());
     // now create,fill and execute the prepared statement
-    OUString sEmpty;
-    executeInsert(_rInsertRow,aSql.makeStringAndClear(),sEmpty,bRefetch);
+    executeInsert(_rInsertRow,aSql.makeStringAndClear(),"",bRefetch);
 }
 
 void OKeySet::executeInsert( const ORowSetRow& _rInsertRow,const OUString& i_sSQL,const OUString& i_sTableName,bool bRefetch )
diff --git a/dbaccess/source/core/api/SingleSelectQueryComposer.cxx b/dbaccess/source/core/api/SingleSelectQueryComposer.cxx
index e97ebf0cd1aa..c2a18e142569 100644
--- a/dbaccess/source/core/api/SingleSelectQueryComposer.cxx
+++ b/dbaccess/source/core/api/SingleSelectQueryComposer.cxx
@@ -1617,8 +1617,7 @@ void OSingleSelectQueryComposer::setConditionByColumn( const Reference< XPropert
 
             if ( nType != DataType::BOOLEAN && DataType::BIT != nType )
             {
-                OUString sEmpty;
-                lcl_addFilterCriteria_throw(filterOperator,sEmpty,aSQL);
+                lcl_addFilterCriteria_throw(filterOperator,"",aSQL);
             }
 
             switch(nType)
@@ -1690,8 +1689,7 @@ void OSingleSelectQueryComposer::setConditionByColumn( const Reference< XPropert
             sal_Int32 nFilterOp = filterOperator;
             if ( filterOperator != SQLFilterOperator::SQLNULL && filterOperator != SQLFilterOperator::NOT_SQLNULL )
                 nFilterOp = SQLFilterOperator::SQLNULL;
-            OUString sEmpty;
-            lcl_addFilterCriteria_throw(nFilterOp,sEmpty,aSQL);
+            lcl_addFilterCriteria_throw(nFilterOp,"",aSQL);
         }
 
         // Attach filter
diff --git a/dbaccess/source/ui/app/AppController.cxx b/dbaccess/source/ui/app/AppController.cxx
index d6f67c3b02ee..e2ac9570173d 100644
--- a/dbaccess/source/ui/app/AppController.cxx
+++ b/dbaccess/source/ui/app/AppController.cxx
@@ -1064,9 +1064,8 @@ void OApplicationController::Execute(sal_uInt16 _nId, const Sequence< PropertyVa
                         ::std::vector<SotClipboardFormatId> aFormatIds;
                         getSupportedFormats(getContainer()->getElementType(),aFormatIds);
                         const ::std::vector<SotClipboardFormatId>::iterator aEnd = aFormatIds.end();
-                        OUString sEmpty;
                         for (::std::vector<SotClipboardFormatId>::iterator aIter = aFormatIds.begin();aIter != aEnd; ++aIter)
-                            pDlg->Insert(*aIter,sEmpty);
+                            pDlg->Insert(*aIter,"");
 
                         const TransferableDataHelper& rClipboard = getViewClipboard();
                         pasteFormat(pDlg->GetFormat(rClipboard.GetTransferable()));
diff --git a/dbaccess/source/ui/browser/formadapter.cxx b/dbaccess/source/ui/browser/formadapter.cxx
index 87c8a5af1b21..43e481ed4e7e 100644
--- a/dbaccess/source/ui/browser/formadapter.cxx
+++ b/dbaccess/source/ui/browser/formadapter.cxx
@@ -142,9 +142,8 @@ void SbaXFormAdapter::StartListening()
     if (m_aPropertiesChangeListeners.getLength())
     {
         Reference< css::beans::XMultiPropertySet >  xBroadcaster(m_xMainForm, UNO_QUERY);
-        OUString sEmpty;
         if (xBroadcaster.is())
-            xBroadcaster->addPropertiesChangeListener(css::uno::Sequence<OUString>(&sEmpty, 1), &m_aPropertiesChangeListeners);
+            xBroadcaster->addPropertiesChangeListener(css::uno::Sequence<OUString>{""}, &m_aPropertiesChangeListeners);
     }
 
     // log off ourself
@@ -1257,9 +1256,8 @@ void SAL_CALL SbaXFormAdapter::addPropertiesChangeListener(const Sequence< OUStr
     if (m_aPropertiesChangeListeners.getLength() == 1)
     {
         Reference< css::beans::XMultiPropertySet >  xBroadcaster(m_xMainForm, UNO_QUERY);
-        OUString sEmpty;
         if (xBroadcaster.is())
-            xBroadcaster->addPropertiesChangeListener(Sequence< OUString>(&sEmpty, 1), &m_aPropertiesChangeListeners);
+            xBroadcaster->addPropertiesChangeListener(Sequence< OUString>{""}, &m_aPropertiesChangeListeners);
     }
 }
 
diff --git a/dbaccess/source/ui/querydesign/querydlg.cxx b/dbaccess/source/ui/querydesign/querydlg.cxx
index cb9dff43fee2..6d4d2ad386bd 100644
--- a/dbaccess/source/ui/querydesign/querydlg.cxx
+++ b/dbaccess/source/ui/querydesign/querydlg.cxx
@@ -204,8 +204,7 @@ IMPL_LINK( DlgQryJoin, LBChangeHdl, ListBox*, /*pListBox*/ )
                 m_pTableControl->lateInit();
                 m_pCBNatural->Check(false);
                 m_pTableControl->enableRelation(false);
-                OUString sEmpty;
-                m_pConnData->AppendConnLine(sEmpty,sEmpty);
+                m_pConnData->AppendConnLine("","");
                 m_pPB_OK->Enable(true);
             }
             break;