[Libreoffice-commits] core.git: 3 commits - sc/inc sc/qa sc/source

Tamás Zolnai tamas.zolnai at collabora.com
Sun Oct 9 10:19:09 UTC 2016


 sc/inc/dpobject.hxx                       |    4 -
 sc/inc/dpsave.hxx                         |    2 
 sc/qa/unit/subsequent_filters-test.cxx    |    8 +++
 sc/source/core/data/dpobject.cxx          |    3 +
 sc/source/filter/inc/pivotcachebuffer.hxx |    7 ++
 sc/source/filter/inc/pivottablebuffer.hxx |   10 +++
 sc/source/filter/oox/pivotcachebuffer.cxx |    5 +
 sc/source/filter/oox/pivottablebuffer.cxx |   77 ++++++++++++++++++++++++++++--
 8 files changed, 106 insertions(+), 10 deletions(-)

New commits:
commit 03a1143cc75161dab56b20f1ab9e723ddd0caa8e
Author: Tamás Zolnai <tamas.zolnai at collabora.com>
Date:   Sun Oct 9 20:07:33 2016 +0200

    tdf#102694, bnc#957991: Improve pivot cache reading performance
    
    When two or more tables have the same source data, then
    the grouping of source fields are shared between these
    tables, so don't need to import these grouping for each
    tables.
    The added code checkes whether we already imported the
    group fields and don't create them again using API
    functions, but apply the exisiting groups of an other table
    sharing the source.
    
    Change-Id: Iad6be9a9e30944ab9a241c8498eff95c6c356689

diff --git a/sc/inc/dpobject.hxx b/sc/inc/dpobject.hxx
index 536e99b..c2305c7 100644
--- a/sc/inc/dpobject.hxx
+++ b/sc/inc/dpobject.hxx
@@ -365,7 +365,7 @@ public:
 
     sal_uLong ReloadCache(ScDPObject* pDPObj, std::set<ScDPObject*>& rRefs);
     bool ReloadGroupsInCache(ScDPObject* pDPObj, std::set<ScDPObject*>& rRefs);
-    bool GetReferenceGroups(const ScDPObject& rDPObj, const ScDPDimensionSaveData** pGroups) const;
+    SC_DLLPUBLIC bool GetReferenceGroups(const ScDPObject& rDPObj, const ScDPDimensionSaveData** pGroups) const;
 
     SC_DLLPUBLIC size_t GetCount() const;
     SC_DLLPUBLIC ScDPObject& operator[](size_t nIndex);
@@ -390,7 +390,7 @@ public:
 
     void FreeTable(ScDPObject* pDPObj);
     SC_DLLPUBLIC bool InsertNewTable(ScDPObject* pDPObj);
-    bool HasTable(const ScDPObject* pDPObj) const;
+    SC_DLLPUBLIC bool HasTable(const ScDPObject* pDPObj) const;
 
     SC_DLLPUBLIC SheetCaches& GetSheetCaches();
     SC_DLLPUBLIC const SheetCaches& GetSheetCaches() const;
diff --git a/sc/inc/dpsave.hxx b/sc/inc/dpsave.hxx
index 2deb35e..bb1e8ac 100644
--- a/sc/inc/dpsave.hxx
+++ b/sc/inc/dpsave.hxx
@@ -352,7 +352,7 @@ public:
     void RemoveAllGroupDimensions( const OUString& rSrcDimName, std::vector<OUString>* pDeletedNames = nullptr );
 
     SC_DLLPUBLIC ScDPDimensionSaveData* GetDimensionData(); // create if not there
-    void SetDimensionData( const ScDPDimensionSaveData* pNew ); // copied
+    SC_DLLPUBLIC void SetDimensionData( const ScDPDimensionSaveData* pNew ); // copied
     void BuildAllDimensionMembers(ScDPTableData* pData);
     void SyncAllDimensionMembers(ScDPTableData* pData);
 
diff --git a/sc/source/core/data/dpobject.cxx b/sc/source/core/data/dpobject.cxx
index d9b07a4..6397c6d 100644
--- a/sc/source/core/data/dpobject.cxx
+++ b/sc/source/core/data/dpobject.cxx
@@ -3554,6 +3554,9 @@ bool ScDPCollection::GetReferenceGroups(const ScDPObject& rDPObj, const ScDPDime
     {
         const ScDPObject& rRefObj = *aTable.get();
 
+        if (&rRefObj == &rDPObj)
+            continue;
+
         if (rDPObj.IsSheetData()){
             if(!rRefObj.IsSheetData())
                 continue;
diff --git a/sc/source/filter/inc/pivotcachebuffer.hxx b/sc/source/filter/inc/pivotcachebuffer.hxx
index 6b35a11..80e2f45 100644
--- a/sc/source/filter/inc/pivotcachebuffer.hxx
+++ b/sc/source/filter/inc/pivotcachebuffer.hxx
@@ -186,6 +186,8 @@ struct PCFieldGroupModel
     bool                mbDateGroup;        /// True = items are grouped by date ranges or by item names.
     bool                mbAutoStart;        /// True = start value for range groups is calculated from source data.
     bool                mbAutoEnd;          /// True = end value for range groups is calculated from source data.
+    OUString            msFinalGroupName ;  /// Finalized group name of this field used in internal pivot table collaction.
+
 
     explicit            PCFieldGroupModel();
 
@@ -269,6 +271,10 @@ public:
     inline sal_Int32    getParentGroupField() const { return maFieldGroupModel.mnParentField; }
     /** Returns the index of the base field grouping is based on. */
     inline sal_Int32    getGroupBaseField() const { return maFieldGroupModel.mnBaseField; }
+    /** Returns the finalized group name of this field.  */
+    inline const OUString& getFinalGroupName() const { return maFieldGroupModel.msFinalGroupName; }
+    /** Set the finalized group name of this field.  */
+    inline void            setFinalGroupName(const OUString& rFinalGroupName) { maFieldGroupModel.msFinalGroupName = rFinalGroupName; }
 
     /** Returns the shared or group item with the specified index. */
     const PivotCacheItem* getCacheItem( sal_Int32 nItemIdx ) const;
diff --git a/sc/source/filter/inc/pivottablebuffer.hxx b/sc/source/filter/inc/pivottablebuffer.hxx
index dfe5220..ebc001a 100644
--- a/sc/source/filter/inc/pivottablebuffer.hxx
+++ b/sc/source/filter/inc/pivottablebuffer.hxx
@@ -149,6 +149,8 @@ public:
                             const css::uno::Reference< css::sheet::XDataPilotField >& rxBaseDPField,
                             const PivotCacheField& rBaseCacheField,
                             PivotCacheGroupItemVector& orItemNames );
+    void                finalizeImportBasedOnCache(
+                            const css::uno::Reference< css::sheet::XDataPilotDescriptor >& rxDPDesc);
 
     /** Returns the name of the DataPilot field in the fields collection. */
     inline const OUString& getDPFieldName() const { return maDPFieldName; }
@@ -317,6 +319,8 @@ public:
     PivotTableFilter&   createTableFilter();
     /** Inserts the pivot table into the sheet. */
     void                finalizeImport();
+    /** Creates all group fields for the table after import. */
+    void                finalizeFieldsImport();
     /** Creates all date group fields for the specified cache field after import. */
     void                finalizeDateGroupingImport(
                             const css::uno::Reference< css::sheet::XDataPilotField >& rxBaseDPField,
@@ -377,6 +381,7 @@ private:
     PivotCache*           mpPivotCache;       /// The pivot cache this table is based on.
     css::uno::Reference< css::sheet::XDataPilotDescriptor >
                           mxDPDescriptor;     /// Descriptor of the DataPilot object.
+
 };
 
 class PivotTableBuffer : public WorkbookHelper
diff --git a/sc/source/filter/oox/pivottablebuffer.cxx b/sc/source/filter/oox/pivottablebuffer.cxx
index 99b80b9..04a432a 100644
--- a/sc/source/filter/oox/pivottablebuffer.cxx
+++ b/sc/source/filter/oox/pivottablebuffer.cxx
@@ -49,6 +49,9 @@
 #include "dapiuno.hxx"
 #include "dpobject.hxx"
 #include "dpsave.hxx"
+#include "dpdimsave.hxx"
+#include "document.hxx"
+#include "documentimport.hxx"
 
 namespace oox {
 namespace xls {
@@ -424,11 +427,12 @@ void PivotTableField::finalizeDateGroupingImport( const Reference< XDataPilotFie
 {
     if( maDPFieldName.isEmpty() )    // prevent endless loops if file format is broken
     {
-        if( const PivotCacheField* pCacheField = mrPivotTable.getCacheField( mnFieldIndex ) )
+        if( PivotCacheField* pCacheField = mrPivotTable.getCacheField( mnFieldIndex ) )
         {
             if( !pCacheField->isDatabaseField() && pCacheField->hasDateGrouping() && (pCacheField->getGroupBaseField() == nBaseFieldIdx) )
             {
                 maDPFieldName = pCacheField->createDateGroupField( rxBaseDPField );
+                pCacheField->setFinalGroupName(maDPFieldName);
                 OSL_ENSURE( !maDPFieldName.isEmpty(), "PivotTableField::finalizeDateGroupingImport - cannot create date group field" );
             }
         }
@@ -453,6 +457,7 @@ void PivotTableField::finalizeParentGroupingImport( const Reference< XDataPilotF
                 pCacheField->applyItemCaptions( captionList );
 
             maDPFieldName = pCacheField->createParentGroupField( rxBaseDPField, rBaseCacheField, orItemNames );
+            pCacheField->setFinalGroupName(maDPFieldName);
             // on success, try to create nested group fields
             Reference< XDataPilotField > xDPField = mrPivotTable.getDataPilotField( maDPFieldName );
             if( xDPField.is() )
@@ -461,6 +466,33 @@ void PivotTableField::finalizeParentGroupingImport( const Reference< XDataPilotF
     }
 }
 
+void PivotTableField::finalizeImportBasedOnCache( const Reference< XDataPilotDescriptor >& rxDPDesc)
+{
+    /*  Process all fields based on source data, other fields (e.g. group
+        fields) are processed based on cache fields.*/
+    Reference< XDataPilotField > xDPField;
+    sal_Int32 nDatabaseIdx = mrPivotTable.getCacheDatabaseIndex( mnFieldIndex );
+    if( (nDatabaseIdx >= 0) && rxDPDesc.is() ) try
+    {
+        // Try to get the source field and its name from passed DataPilot descriptor
+        Reference< XIndexAccess > xDPFieldsIA( rxDPDesc->getDataPilotFields(), UNO_SET_THROW );
+        xDPField.set( xDPFieldsIA->getByIndex( nDatabaseIdx ), UNO_QUERY_THROW );
+        Reference< XNamed > xDPFieldName( xDPField, UNO_QUERY_THROW );
+        maDPFieldName = xDPFieldName->getName();
+        SAL_WARN_IF( maDPFieldName.isEmpty(), "sc.filter", "PivotTableField::finalizeImportBasedOnCache - no field name in source data found" );
+    }
+    catch( Exception& )
+    {
+    }
+
+    // Use group names already generated for another table using the same group field.
+    if( const PivotCacheField* pCacheField = mrPivotTable.getCacheField( mnFieldIndex ) )
+    {
+        if(!pCacheField->getFinalGroupName().isEmpty())
+            maDPFieldName = pCacheField->getFinalGroupName();
+    }
+}
+
 void PivotTableField::convertRowField()
 {
     convertRowColPageField( XML_axisRow );
@@ -1190,7 +1222,7 @@ void PivotTable::finalizeImport()
                 aDescProp.setProperty( PROP_DrillDownOnDoubleClick, maDefModel.mbEnableDrill );
 
                 // finalize all fields, this finds field names and creates grouping fields
-                maFields.forEachMem(&PivotTableField::finalizeImport, ::std::cref(mxDPDescriptor));
+                finalizeFieldsImport();
 
                 // all row fields
                 for( IndexVector::iterator aIt = maRowFields.begin(), aEnd = maRowFields.end(); aIt != aEnd; ++aIt )
@@ -1250,6 +1282,36 @@ void PivotTable::finalizeImport()
     }
 }
 
+void PivotTable::finalizeFieldsImport()
+{
+    if (maFields.empty())
+        return;
+
+    /* Check whether group fields are already imported for an other table
+       sharing the same groups. */
+    ScDPObject* pDPObj = getDPObject();
+    const ScDocument& rDoc = getDocImport().getDoc();
+    if (rDoc.HasPivotTable())
+    {
+        const ScDPCollection* pDPCollection = rDoc.GetDPCollection();
+        assert(pDPCollection != nullptr);
+        const ScDPDimensionSaveData* pGroups = nullptr;
+        bool bRefFound = pDPCollection->GetReferenceGroups(*pDPObj, &pGroups);
+        // Apply reference groups on this table.
+        if (bRefFound && pGroups && pGroups->HasGroupDimensions()) {
+            ScDPSaveData* pSaveData = pDPObj->GetSaveData();
+            if (pSaveData) {
+                pSaveData->SetDimensionData(pGroups);
+                pDPObj->ReloadGroupTableData();
+                maFields.forEachMem(&PivotTableField::finalizeImportBasedOnCache, ::std::cref(mxDPDescriptor));
+                return;
+            }
+
+        }
+    }
+    maFields.forEachMem(&PivotTableField::finalizeImport, ::std::cref(mxDPDescriptor));
+}
+
 void PivotTable::finalizeDateGroupingImport( const Reference< XDataPilotField >& rxBaseDPField, sal_Int32 nBaseFieldIdx )
 {
     // process all fields, there is no chaining information in the cache fields
commit 73268333b0665d91a3d9be1917a7e8c9e6ecb11a
Author: Tamás Zolnai <tamas.zolnai at collabora.com>
Date:   Sun Oct 9 07:46:24 2016 +0200

    Pivot table tests: Check also grouped fields' name.
    
    Change-Id: I6b38e8e97613f63accf341115bbc1397ade07415

diff --git a/sc/qa/unit/subsequent_filters-test.cxx b/sc/qa/unit/subsequent_filters-test.cxx
index 6339166..35da74f 100644
--- a/sc/qa/unit/subsequent_filters-test.cxx
+++ b/sc/qa/unit/subsequent_filters-test.cxx
@@ -2081,6 +2081,7 @@ void ScFiltersTest::testPivotTableSharedGroupXLSX()
 
     // Check whether right group names are imported for both tables
     // First table
+    CPPUNIT_ASSERT_EQUAL(OUString("a2"), rDoc.GetString(ScAddress(0,1,0)));
     CPPUNIT_ASSERT_EQUAL(OUString("Csoport1"), rDoc.GetString(ScAddress(0,2,0)));
     CPPUNIT_ASSERT_EQUAL(OUString("Csoport2"), rDoc.GetString(ScAddress(0,3,0)));
     CPPUNIT_ASSERT_EQUAL(OUString("Csoport3"), rDoc.GetString(ScAddress(0,4,0)));
@@ -2089,6 +2090,7 @@ void ScFiltersTest::testPivotTableSharedGroupXLSX()
     CPPUNIT_ASSERT_EQUAL(OUString("18"), rDoc.GetString(ScAddress(0,7,0)));
 
     // Second table
+    CPPUNIT_ASSERT_EQUAL(OUString("a2"), rDoc.GetString(ScAddress(0,11,0)));
     CPPUNIT_ASSERT_EQUAL(OUString("Csoport1"), rDoc.GetString(ScAddress(0,12,0)));
     CPPUNIT_ASSERT_EQUAL(OUString("Csoport2"), rDoc.GetString(ScAddress(0,13,0)));
     CPPUNIT_ASSERT_EQUAL(OUString("Csoport3"), rDoc.GetString(ScAddress(0,14,0)));
@@ -2119,6 +2121,7 @@ void ScFiltersTest::testPivotTableSharedDateGroupXLSX()
 
     // Check whether right date labels are imported for both tables
     // First table
+    CPPUNIT_ASSERT_EQUAL(OUString("a"), rDoc.GetString(ScAddress(0,3,1)));
     CPPUNIT_ASSERT_EQUAL(OUString("1965"), rDoc.GetString(ScAddress(0,4,1)));
     CPPUNIT_ASSERT_EQUAL(OUString("1989"), rDoc.GetString(ScAddress(0,5,1)));
     CPPUNIT_ASSERT_EQUAL(OUString("2000"), rDoc.GetString(ScAddress(0,6,1)));
@@ -2127,6 +2130,7 @@ void ScFiltersTest::testPivotTableSharedDateGroupXLSX()
     // CPPUNIT_ASSERT_EQUAL(OUString("2007"), rDoc.GetString(ScAddress(0,8,1)));
 
     // Second table
+    CPPUNIT_ASSERT_EQUAL(OUString("a"), rDoc.GetString(ScAddress(5,3,1)));
     CPPUNIT_ASSERT_EQUAL(OUString("1965"), rDoc.GetString(ScAddress(5,4,1)));
     CPPUNIT_ASSERT_EQUAL(OUString("1989"), rDoc.GetString(ScAddress(5,5,1)));
     CPPUNIT_ASSERT_EQUAL(OUString("2000"), rDoc.GetString(ScAddress(5,6,1)));
@@ -2164,6 +2168,7 @@ void ScFiltersTest::testPivotTableSharedNestedDateGroupXLSX()
     // TODO: check why this fails with the empty string
     //CPPUNIT_ASSERT_EQUAL(OUString("2007"), rDoc.GetString(ScAddress(0,32,1)));
     CPPUNIT_ASSERT_EQUAL(OUString("Quarters"), rDoc.GetString(ScAddress(1,3,1)));
+    CPPUNIT_ASSERT_EQUAL(OUString("a"), rDoc.GetString(ScAddress(2,3,1)));
 
     // Second table
     CPPUNIT_ASSERT_EQUAL(OUString("Years"), rDoc.GetString(ScAddress(6,3,1)));
@@ -2174,6 +2179,7 @@ void ScFiltersTest::testPivotTableSharedNestedDateGroupXLSX()
     // TODO: check why this fails with the empty string
     //CPPUNIT_ASSERT_EQUAL(OUString("2007"), rDoc.GetString(ScAddress(6,31,1)));
     CPPUNIT_ASSERT_EQUAL(OUString("Quarters"), rDoc.GetString(ScAddress(7,3,1)));
+    CPPUNIT_ASSERT_EQUAL(OUString("a"), rDoc.GetString(ScAddress(8,3,1)));
 
     // There should be exactly 2 pivot tables and 1 cache.
     ScDPCollection* pDPs = rDoc.GetDPCollection();
@@ -2199,6 +2205,7 @@ void ScFiltersTest::testPivotTableSharedNumGroupXLSX()
 
     // Check whether right number groups are imported for both tables
     // First table
+    CPPUNIT_ASSERT_EQUAL(OUString("f"), rDoc.GetString(ScAddress(0,3,1)));
     CPPUNIT_ASSERT_EQUAL(OUString("32674-47673"), rDoc.GetString(ScAddress(0,4,1)));
     CPPUNIT_ASSERT_EQUAL(OUString("47674-62673"), rDoc.GetString(ScAddress(0,5,1)));
     CPPUNIT_ASSERT_EQUAL(OUString("62674-77673"), rDoc.GetString(ScAddress(0,6,1)));
@@ -2206,6 +2213,7 @@ void ScFiltersTest::testPivotTableSharedNumGroupXLSX()
     CPPUNIT_ASSERT_EQUAL(OUString("92674-107673"), rDoc.GetString(ScAddress(0,8,1)));
 
     // Second table
+    CPPUNIT_ASSERT_EQUAL(OUString("f"), rDoc.GetString(ScAddress(5,3,1)));
     CPPUNIT_ASSERT_EQUAL(OUString("32674-47673"), rDoc.GetString(ScAddress(5,4,1)));
     CPPUNIT_ASSERT_EQUAL(OUString("47674-62673"), rDoc.GetString(ScAddress(5,5,1)));
     CPPUNIT_ASSERT_EQUAL(OUString("62674-77673"), rDoc.GetString(ScAddress(5,6,1)));
commit db481dd30521f9ce498873cdc945cf9544bf983c
Author: Tamás Zolnai <tamas.zolnai at collabora.com>
Date:   Sun Oct 9 07:46:06 2016 +0200

    Pivot table XLSX import: PivotCache is not handled as a const object.
    
    Change-Id: I226902205e977deb1a4a73db33e3bf7671067bc8

diff --git a/sc/source/filter/inc/pivotcachebuffer.hxx b/sc/source/filter/inc/pivotcachebuffer.hxx
index 3bf5406..6b35a11 100644
--- a/sc/source/filter/inc/pivotcachebuffer.hxx
+++ b/sc/source/filter/inc/pivotcachebuffer.hxx
@@ -405,6 +405,7 @@ public:
     /** Returns the number of pivot cache fields. */
     sal_Int32           getCacheFieldCount() const;
     /** Returns the cache field with the specified index. */
+    PivotCacheField* getCacheField( sal_Int32 nFieldIdx );
     const PivotCacheField* getCacheField( sal_Int32 nFieldIdx ) const;
     /** Returns the source column index of the field with the passed index. */
     sal_Int32           getCacheDatabaseIndex( sal_Int32 nFieldIdx ) const;
diff --git a/sc/source/filter/inc/pivottablebuffer.hxx b/sc/source/filter/inc/pivottablebuffer.hxx
index 37ee04e..dfe5220 100644
--- a/sc/source/filter/inc/pivottablebuffer.hxx
+++ b/sc/source/filter/inc/pivottablebuffer.hxx
@@ -175,7 +175,7 @@ private:
     PivotTable&         mrPivotTable;       /// The parent pivot table object.
     ItemModelVector     maItems;            /// All items of this field.
     PTFieldModel        maModel;            /// Pivot field settings.
-    OUString     maDPFieldName;      /// Name of the field in DataPilot field collection.
+    OUString            maDPFieldName;      /// Name of the field in DataPilot field collection.
     sal_Int32           mnFieldIndex;       /// Zero-based index of this field.
 };
 
@@ -338,6 +338,7 @@ public:
                         getDataLayoutField() const;
 
     /** Returns the cache field with the specified index. */
+    PivotCacheField* getCacheField( sal_Int32 nFieldIdx );
     const PivotCacheField* getCacheField( sal_Int32 nFieldIdx ) const;
     /** Returns the base cache field of the data field item with the specified index. */
     const PivotCacheField* getCacheFieldOfDataField( sal_Int32 nDataItemIdx ) const;
@@ -373,7 +374,7 @@ private:
     PivotTableFilterVector maFilters;       /// All field filters.
     PTDefinitionModel     maDefModel;         /// Global pivot table settings.
     PTLocationModel       maLocationModel;    /// Location settings of the pivot table.
-    const PivotCache*     mpPivotCache;       /// The pivot cache this table is based on.
+    PivotCache*           mpPivotCache;       /// The pivot cache this table is based on.
     css::uno::Reference< css::sheet::XDataPilotDescriptor >
                           mxDPDescriptor;     /// Descriptor of the DataPilot object.
 };
diff --git a/sc/source/filter/oox/pivotcachebuffer.cxx b/sc/source/filter/oox/pivotcachebuffer.cxx
index a9e59ce..56632e7 100644
--- a/sc/source/filter/oox/pivotcachebuffer.cxx
+++ b/sc/source/filter/oox/pivotcachebuffer.cxx
@@ -1250,6 +1250,11 @@ sal_Int32 PivotCache::getCacheFieldCount() const
     return static_cast< sal_Int32 >( maFields.size() );
 }
 
+PivotCacheField* PivotCache::getCacheField( sal_Int32 nFieldIdx )
+{
+    return maFields.get( nFieldIdx ).get();
+}
+
 const PivotCacheField* PivotCache::getCacheField( sal_Int32 nFieldIdx ) const
 {
     return maFields.get( nFieldIdx ).get();
diff --git a/sc/source/filter/oox/pivottablebuffer.cxx b/sc/source/filter/oox/pivottablebuffer.cxx
index bc3c05c..99b80b9 100644
--- a/sc/source/filter/oox/pivottablebuffer.cxx
+++ b/sc/source/filter/oox/pivottablebuffer.cxx
@@ -439,7 +439,7 @@ void PivotTableField::finalizeParentGroupingImport( const Reference< XDataPilotF
 {
     if( maDPFieldName.isEmpty() )    // prevent endless loops if file format is broken
     {
-        if( const PivotCacheField* pCacheField = mrPivotTable.getCacheField( mnFieldIndex ) )
+        if( PivotCacheField* pCacheField = mrPivotTable.getCacheField( mnFieldIndex ) )
         {
             // data field can have user defined groupname captions, apply them
             // if they do
@@ -449,9 +449,9 @@ void PivotTableField::finalizeParentGroupingImport( const Reference< XDataPilotF
                 if ( aIt->mnType == XML_data  && aIt->msCaption.getLength() )
                     captionList.push_back( IdCaptionPair( aIt->mnCacheItem, aIt->msCaption ) );
             }
-            // #FIXME find another way out of this const nightmare prison
             if ( !captionList.empty() )
-                const_cast<PivotCacheField*>( pCacheField )->applyItemCaptions( captionList );
+                pCacheField->applyItemCaptions( captionList );
+
             maDPFieldName = pCacheField->createParentGroupField( rxBaseDPField, rBaseCacheField, orItemNames );
             // on success, try to create nested group fields
             Reference< XDataPilotField > xDPField = mrPivotTable.getDataPilotField( maDPFieldName );
@@ -1300,6 +1300,11 @@ Reference< XDataPilotField > PivotTable::getDataLayoutField() const
     return xDPField;
 }
 
+PivotCacheField* PivotTable::getCacheField( sal_Int32 nFieldIdx )
+{
+    return mpPivotCache ? mpPivotCache->getCacheField( nFieldIdx ) : nullptr;
+}
+
 const PivotCacheField* PivotTable::getCacheField( sal_Int32 nFieldIdx ) const
 {
     return mpPivotCache ? mpPivotCache->getCacheField( nFieldIdx ) : nullptr;


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