QmlDesigner: Improving SessionChangeSets

Task-number: QDS-2998
Change-Id: I9b559bf593dd968172649d1f6c45fb9fb454f1a5
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>

src/libs/sqlite/sqlitedatabase.cpp

@@ -151,6 +151,11 @@ void Database::applyAndUpdateSessions()
     m_statements->sessions.applyAndUpdateSessions();
 }
 
+SessionChangeSets Database::changeSets() const
+{
+    return m_statements->sessions.changeSets();
+}
+
 const Utils::PathString &Database::databaseFilePath() const
 {
     return m_databaseFilePath;

src/libs/sqlite/sqlitedatabase.h

@@ -28,6 +28,7 @@
 #include "sqlitedatabasebackend.h"
 #include "sqlitedatabaseinterface.h"
 #include "sqliteglobal.h"
+#include "sqlitesessionchangeset.h"
 #include "sqlitetable.h"
 #include "sqlitetransaction.h"
 
@@ -131,6 +132,8 @@ public:
     void setAttachedTables(const Utils::SmallStringVector &tables) override;
     void applyAndUpdateSessions() override;
 
+    SessionChangeSets changeSets() const;
+
 private:
     void deferredBegin() override;
     void immediateBegin() override;

src/libs/sqlite/sqlitesessionchangeset.h

@@ -41,9 +41,10 @@ namespace Sqlite {
 
 class Sessions;
 
-namespace SessionChangeSetInternal {
 enum class Operation : char { Invalid, Insert, Update, Delete };
 
+namespace SessionChangeSetInternal {
+
 class SentinelIterator
 {};
 
@@ -54,7 +55,7 @@ public:
     ValueView oldValue;
 };
 
-class ConstTupleIterator
+class SQLITE_EXPORT ConstTupleIterator
 {
 public:
     using difference_type = int;
@@ -63,7 +64,9 @@ public:
     using reference = const ValueView &;
     using iterator_category = std::forward_iterator_tag;
 
-    ConstTupleIterator(sqlite3_changeset_iter *sessionIterator, int index, Operation operation)
+    ConstTupleIterator(sqlite3_changeset_iter *sessionIterator,
+                       int index,
+                       Sqlite::Operation operation)
         : m_sessionIterator{sessionIterator}
         , m_column{index}
         , m_operation{operation}
@@ -91,10 +94,10 @@ public:
 private:
     sqlite3_changeset_iter *m_sessionIterator = {};
     int m_column = 0;
-    Operation m_operation = Operation::Invalid;
+    Sqlite::Operation m_operation = Sqlite::Operation::Invalid;
 };
 
-class Tuple
+class SQLITE_EXPORT Tuple
 {
 public:
     using difference_type = int;
@@ -108,7 +111,7 @@ public:
     Utils::SmallStringView table;
     sqlite3_changeset_iter *sessionIterator = {};
     int columnCount = 0;
-    Operation operation = Operation::Invalid;
+    Sqlite::Operation operation = Sqlite::Operation::Invalid;
 
     ValueViews operator[](int column) const;
     ConstTupleIterator begin() const { return {sessionIterator, 0, operation}; }
@@ -117,7 +120,7 @@ public:
 
 enum class State : char { Invalid, Row, Done };
 
-class ConstIterator
+class SQLITE_EXPORT ConstIterator
 {
 public:
     using difference_type = long;