KDbAlterTableHandler::RemoveFieldAction
#include <KDbAlter.h>
Public Member Functions | |
RemoveFieldAction (const QString &fieldName, int uid) | |
QString | debugString (const DebugOptions &debugOptions=DebugOptions()) override |
void | simplifyActions (ActionDictDict *fieldActions) override |
tristate | updateTableSchema (KDbTableSchema *table, KDbField *field, QHash< QString, QString > *fieldHash) override |
Public Member Functions inherited from KDbAlterTableHandler::FieldActionBase | |
FieldActionBase (const QString &fieldName, int uid) | |
QString | fieldName () const |
void | setFieldName (const QString &fieldName) |
int | uid () const |
Public Member Functions inherited from KDbAlterTableHandler::ActionBase | |
void | debug (const DebugOptions &debugOptions=DebugOptions()) |
bool | isNull () const |
ChangeFieldPropertyAction & | toChangeFieldPropertyAction () |
InsertFieldAction & | toInsertFieldAction () |
MoveFieldPositionAction & | toMoveFieldPositionAction () |
RemoveFieldAction & | toRemoveFieldAction () |
Protected Member Functions | |
RemoveFieldAction (bool null) | |
tristate | execute (KDbConnection *conn, KDbTableSchema *table) override |
void | updateAlteringRequirements () override |
Protected Member Functions inherited from KDbAlterTableHandler::FieldActionBase | |
FieldActionBase (bool null) | |
Protected Member Functions inherited from KDbAlterTableHandler::ActionBase | |
ActionBase (bool null) | |
int | alteringRequirements () const |
void | setAlteringRequirements (int alteringRequirements) |
virtual bool | shouldBeRemoved (ActionDictDict *fieldActions) |
Additional Inherited Members | |
Protected Attributes inherited from KDbAlterTableHandler::FieldActionBase | |
int | m_fieldUID |
Detailed Description
Defines an action for removing a single table field.
Definition at line 335 of file KDbAlter.h.
Constructor & Destructor Documentation
◆ RemoveFieldAction() [1/2]
KDbAlterTableHandler::RemoveFieldAction::RemoveFieldAction | ( | const QString & | fieldName, |
int | uid ) |
Definition at line 484 of file KDbAlter.cpp.
◆ ~RemoveFieldAction()
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override |
Definition at line 494 of file KDbAlter.cpp.
◆ RemoveFieldAction() [2/2]
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explicitprotected |
, used for constructing null action
Definition at line 489 of file KDbAlter.cpp.
Member Function Documentation
◆ debugString()
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overridevirtual |
Reimplemented from KDbAlterTableHandler::ActionBase.
Definition at line 506 of file KDbAlter.cpp.
◆ execute()
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overrideprotectedvirtual |
Performs physical execution of this action.
Reimplemented from KDbAlterTableHandler::ActionBase.
Definition at line 540 of file KDbAlter.cpp.
◆ simplifyActions()
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overridevirtual |
Legend: A,B==objects, P==property, [....]==action, (..,..,..) group of actions, <...> internal operation. Preconditions: we assume there cannot be such case encountered: ([remove A], [do something related on A]) (except for [remove A], [insert A]) General Case: it's safe to always insert a [remove A] action.
- Todo
- not checked
Reimplemented from KDbAlterTableHandler::ActionBase.
Definition at line 521 of file KDbAlter.cpp.
◆ updateAlteringRequirements()
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overrideprotectedvirtual |
- Todo
- sometimes add DataConversionRequired (e.g. when relationships require removing orphaned records) ?
Reimplemented from KDbAlterTableHandler::ActionBase.
Definition at line 498 of file KDbAlter.cpp.
◆ updateTableSchema()
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overridevirtual |
Reimplemented from KDbAlterTableHandler::ActionBase.
Definition at line 532 of file KDbAlter.cpp.
The documentation for this class was generated from the following files:
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