F consolidation

Summary

Insert a meaningful description for this merge request here.  What is the
new/changed behavior? Which bug has been fixed? Are there related Issues?

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reading? What should they focus on (e.g. security, performance,
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corner cases, concrete questions)?

Test Environment

How to set up a test environment for manual testing?

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Please, prepare your MR for a review. Be sure to write a summary and a focus and create gitlab comments for the reviewer. They should guide the reviewer through the changes, explain your changes and also point out open questions. For further good practices have a look at our review guidelines

• All automated tests pass
• Reference related Issues
• Up-to-date CHANGELOG.md
• Annotations in code (Gitlab comments)
  • Intent of new code
  • Problems with old code
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Check List for the Reviewer

• I understand the intent of this MR
• All automated tests pass
• Up-to-date CHANGELOG.md
• The test environment setup works and the intended behavior is reproducible in the test environment
• In-code documentation and comments are up-to-date.
• Check: Are there specifications? Are they satisfied?

For further good practices have a look at our review guidelines.

include/caosdb/entity.h

@@ -541,8 +541,8 @@ public:
    * Set the datatype of this property.
    */
   auto SetDataType(const DataType &new_data_type) -> StatusCode;
-  auto SetDataType(const AtomicDataType new_data_type) -> StatusCode;
-  auto SetDataType(const std::string &new_data_type) -> StatusCode;
+  auto SetDataType(const AtomicDataType new_data_type, bool list_type = false) -> StatusCode;
+  auto SetDataType(const std::string &new_data_type, bool list_type = false) -> StatusCode;
 
   /**
    * Return a json string representing this property.
@@ -712,8 +712,8 @@ public:
   auto SetUnit(const std::string &unit) -> void;
 
   auto SetDataType(const DataType &new_data_type) -> StatusCode;
-  auto SetDataType(const AtomicDataType new_data_type) -> StatusCode;
-  auto SetDataType(const std::string &new_data_type) -> StatusCode;
+  auto SetDataType(const AtomicDataType new_data_type, bool list_type = false) -> StatusCode;
+  auto SetDataType(const std::string &new_data_type, bool list_type = false) -> StatusCode;
 
   auto AppendProperty(const Property &property) -> void;
   auto RemoveProperty(int index) -> void;