loplugin:passstuffbyref in connectivity

Change-Id: I751977ecc1b532f72dd5673767471cb0a2cdbd06

5 files changed, 8 insertions, 8 deletions

diff --git a/include/connectivity/FValue.hxx b/include/connectivity/FValue.hxx
index d15abd69f24d..c78f3c76b8c5 100644
--- a/include/connectivity/FValue.hxx
+++ b/include/connectivity/FValue.hxx
@@ -410,7 +410,7 @@ namespace connectivity
         css::util::DateTime            getDateTime()   const;
         css::uno::Sequence<sal_Int8>   getSequence()   const;
         // only use for anys
-        css::uno::Any                  getAny()        const { return *static_cast<css::uno::Any*>(m_aValue.m_pValue); }
+        const css::uno::Any&           getAny()        const { return *static_cast<css::uno::Any*>(m_aValue.m_pValue); }
         css::uno::Any                  makeAny()       const;
 
         /**
diff --git a/include/connectivity/ParameterCont.hxx b/include/connectivity/ParameterCont.hxx
index f1997b755b26..ff6686f5d7db 100644
--- a/include/connectivity/ParameterCont.hxx
+++ b/include/connectivity/ParameterCont.hxx
@@ -35,7 +35,7 @@ namespace dbtools
     public:
         OParameterContinuation() { }
 
-        css::uno::Sequence< css::beans::PropertyValue >   getValues() const { return m_aValues; }
+        const css::uno::Sequence< css::beans::PropertyValue >&   getValues() const { return m_aValues; }
 
         // XInteractionSupplyParameters
         virtual void SAL_CALL setParameters( const css::uno::Sequence< css::beans::PropertyValue >& _rValues ) throw(css::uno::RuntimeException, std::exception) override;
diff --git a/include/connectivity/dbcharset.hxx b/include/connectivity/dbcharset.hxx
index 01ce6fa05f96..8c7e9def1ce1 100644
--- a/include/connectivity/dbcharset.hxx
+++ b/include/connectivity/dbcharset.hxx
@@ -105,7 +105,7 @@ namespace dbtools
         CharsetIteratorDerefHelper(const CharsetIteratorDerefHelper& _rSource);
 
         rtl_TextEncoding    getEncoding() const { return m_eEncoding; }
-        OUString     getIanaName() const { return m_aIanaName; }
+        const OUString&     getIanaName() const { return m_aIanaName; }
 
     protected:
         CharsetIteratorDerefHelper( const rtl_TextEncoding _eEncoding, const OUString& _rIanaName );
diff --git a/include/connectivity/sqliterator.hxx b/include/connectivity/sqliterator.hxx
index 6afd1c4f4d66..7d69003bc162 100644
--- a/include/connectivity/sqliterator.hxx
+++ b/include/connectivity/sqliterator.hxx
@@ -220,10 +220,10 @@ namespace connectivity
         // The TableRangeMap contains all tables associated with the range name found first.
         const OSQLTables& getTables() const;
 
-        ::rtl::Reference<OSQLColumns> getSelectColumns() const { return m_aSelectColumns;}
-        ::rtl::Reference<OSQLColumns> getGroupColumns() const { return m_aGroupColumns;}
-        ::rtl::Reference<OSQLColumns> getOrderColumns() const { return m_aOrderColumns;}
-        ::rtl::Reference<OSQLColumns> getParameters()   const { return m_aParameters; }
+        const ::rtl::Reference<OSQLColumns>& getSelectColumns() const { return m_aSelectColumns;}
+        const ::rtl::Reference<OSQLColumns>& getGroupColumns() const { return m_aGroupColumns;}
+        const ::rtl::Reference<OSQLColumns>& getOrderColumns() const { return m_aOrderColumns;}
+        const ::rtl::Reference<OSQLColumns>& getParameters()   const { return m_aParameters; }
 
         /** return the columname and the table range
             @param  _pColumnRef
diff --git a/include/connectivity/sqlscan.hxx b/include/connectivity/sqlscan.hxx
index ad17f7d28e0d..570a17ea7289 100644
--- a/include/connectivity/sqlscan.hxx
+++ b/include/connectivity/sqlscan.hxx
@@ -60,7 +60,7 @@ namespace connectivity
         // setting the new information before scanning
         void prepareScan(const OUString & rNewStatement, const IParseContext* pContext, bool bInternational);
         const OUString& getErrorMessage() const {return m_sErrorMessage;}
-        OString getStatement() const { return m_sStatement; }
+        const OString& getStatement() const { return m_sStatement; }
 
         static sal_Int32 SQLlex();
         // set this as scanner for flex