Interface to declare changes in the meta data table structure of the storage.
More...
#include <storageAlterMetaDataTableInterface.hpp>
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| virtual | ~StorageAlterMetaDataTableInterface () |
| | Destructor that is the doing the rollback too, if commit() was not called before. More...
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| virtual void | addElement (const std::string &name, const std::string &datatype)=0 |
| | Declare a new meta data element. More...
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| virtual void | alterElement (const std::string &oldname, const std::string &name, const std::string &datatype)=0 |
| | Declare a meta data element to be changed. More...
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| virtual void | renameElement (const std::string &oldname, const std::string &name)=0 |
| | Declare a meta data element to be renamed. More...
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| virtual void | deleteElement (const std::string &name)=0 |
| | Declare a meta data element to be deleted. More...
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| virtual void | clearElement (const std::string &name)=0 |
| | Declare a meta data element to be reset (all values are reinitialized with their default) More...
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| virtual bool | commit ()=0 |
| | Write the changes of the meta data table structure to the storage. More...
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| virtual void | rollback ()=0 |
| | Rollback of the meta data table changes, no changes made. More...
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Interface to declare changes in the meta data table structure of the storage.
| virtual strus::StorageAlterMetaDataTableInterface::~StorageAlterMetaDataTableInterface |
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inlinevirtual |
Destructor that is the doing the rollback too, if commit() was not called before.
| virtual void strus::StorageAlterMetaDataTableInterface::addElement |
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const std::string & |
name, |
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const std::string & |
datatype |
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) |
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pure virtual |
Declare a new meta data element.
- Parameters
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| [in] | name | name of the element to add |
| [in] | datatype | type of the element to add |
| virtual void strus::StorageAlterMetaDataTableInterface::alterElement |
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const std::string & |
oldname, |
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const std::string & |
name, |
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const std::string & |
datatype |
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) |
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pure virtual |
Declare a meta data element to be changed.
- Parameters
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| [in] | oldname | previous name of the element |
| [in] | name | new name of the element |
| [in] | datatype | new type of the element |
| virtual void strus::StorageAlterMetaDataTableInterface::clearElement |
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const std::string & |
name | ) |
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pure virtual |
Declare a meta data element to be reset (all values are reinitialized with their default)
- Parameters
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| [in] | name | name of the element values to reset |
| virtual bool strus::StorageAlterMetaDataTableInterface::commit |
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pure virtual |
Write the changes of the meta data table structure to the storage.
| virtual void strus::StorageAlterMetaDataTableInterface::deleteElement |
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const std::string & |
name | ) |
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pure virtual |
Declare a meta data element to be deleted.
- Parameters
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| [in] | name | name of the element to delete |
| virtual void strus::StorageAlterMetaDataTableInterface::renameElement |
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const std::string & |
oldname, |
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const std::string & |
name |
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) |
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pure virtual |
Declare a meta data element to be renamed.
- Parameters
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| [in] | oldname | previous name of the element |
| [in] | name | new name of the element |
| virtual void strus::StorageAlterMetaDataTableInterface::rollback |
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pure virtual |
Rollback of the meta data table changes, no changes made.
The documentation for this class was generated from the following file:
