QxOrm  1.4.5
C++ Object Relational Mapping library

qx::IxPersistable : common interface (abstract class) for persistents classes using QX_PERSISTABLE_HPP() and QX_PERSISTABLE_CPP() macros More...

#include <IxPersistable.h>

Inheritance diagram for qx::IxPersistable:
qx::IxPersistableCollection qx::QxPersistableCollection< Key, Value, T >

List of all members.

Public Member Functions

 IxPersistable ()
virtual ~IxPersistable ()
virtual long qxCount (const qx::QxSqlQuery &query=qx::QxSqlQuery(), QSqlDatabase *pDatabase=NULL)=0
 Return the number of lines in the table (database) mapped to the current C++ class (registered into QxOrm context) and filtered by a user SQL query.
virtual QSqlError qxCount (long &lCount, const qx::QxSqlQuery &query=qx::QxSqlQuery(), QSqlDatabase *pDatabase=NULL)=0
 Return the number of lines in the table (database) mapped to the current C++ class (registered into QxOrm context) and filtered by a user SQL query.
virtual QSqlError qxFetchById (const QVariant &id=QVariant(), const QStringList &columns=QStringList(), const QStringList &relation=QStringList(), QSqlDatabase *pDatabase=NULL)=0
 Fetch current instance (retrieve all its properties) mapped to a table in the database (current instance must have a valid id before to be fetched without error, or pass the id to the first parameter of this method)
virtual QSqlError qxFetchAll (qx::IxPersistableCollection *list=NULL, const QStringList &columns=QStringList(), const QStringList &relation=QStringList(), QSqlDatabase *pDatabase=NULL)=0
 Fetch a list of objects (retrieve all elements and properties associated) of current type (container registered into QxOrm context) mapped to a table in the database.
virtual QSqlError qxFetchByQuery (const qx::QxSqlQuery &query, qx::IxPersistableCollection *list=NULL, const QStringList &columns=QStringList(), const QStringList &relation=QStringList(), QSqlDatabase *pDatabase=NULL)=0
 Fetch a list of objects (retrieve all elements and properties associated) of current type (container registered into QxOrm context) mapped to a table in the database and filtered by a user SQL query.
virtual QSqlError qxInsert (const QStringList &relation=QStringList(), QSqlDatabase *pDatabase=NULL)=0
 Insert current instance into database.
virtual QSqlError qxUpdate (const qx::QxSqlQuery &query=qx::QxSqlQuery(), const QStringList &columns=QStringList(), const QStringList &relation=QStringList(), QSqlDatabase *pDatabase=NULL)=0
 Update current instance into database (you can add a user SQL query to the default SQL query builded by QxOrm library)
virtual QSqlError qxSave (const QStringList &relation=QStringList(), QSqlDatabase *pDatabase=NULL)=0
 Insert (if no exist) or update (if already exist) current instance into database.
virtual QSqlError qxDeleteById (const QVariant &id=QVariant(), QSqlDatabase *pDatabase=NULL)=0
 Delete current instance from database.
virtual QSqlError qxDeleteAll (QSqlDatabase *pDatabase=NULL)=0
 Delete all lines of a table (database) mapped to current C++ class (registered into QxOrm context)
virtual QSqlError qxDeleteByQuery (const qx::QxSqlQuery &query, QSqlDatabase *pDatabase=NULL)=0
 Delete all lines of a table (database) mapped to current C++ class (registered into QxOrm context) and filtered by a user SQL query.
virtual QSqlError qxDestroyById (const QVariant &id=QVariant(), QSqlDatabase *pDatabase=NULL)=0
 Delete current instance from database.
virtual QSqlError qxDestroyAll (QSqlDatabase *pDatabase=NULL)=0
 Delete all lines of a table (database) mapped to current C++ class (registered into QxOrm context)
virtual QSqlError qxDestroyByQuery (const qx::QxSqlQuery &query, QSqlDatabase *pDatabase=NULL)=0
 Delete all lines of a table (database) mapped to current C++ class (registered into QxOrm context) and filtered by a user SQL query.
virtual QSqlError qxExecuteQuery (qx::QxSqlQuery &query, QSqlDatabase *pDatabase=NULL)=0
 Execute a custom SQL query or a stored procedure, all columns that can be mapped to the instance of type T will be fetched automatically.
virtual QSqlError qxExecuteQuery (qx::QxSqlQuery &query, qx::IxPersistableCollection *list=NULL, QSqlDatabase *pDatabase=NULL)=0
 Execute a custom SQL query or a stored procedure, all columns that can be mapped to the instance of type T will be fetched automatically.
virtual qx_bool qxExist (const QVariant &id=QVariant(), QSqlDatabase *pDatabase=NULL)=0
 Search if current instance already exists into database.
virtual qx::QxInvalidValueX qxValidate (const QStringList &groups=QStringList())=0
 Check if current instance is valid or not.
virtual std::shared_ptr
< qx::IxPersistableCollection
qxNewPersistableCollection () const =0
 Create a new collection smart-pointer to fetch a list of items of current class type.
virtual qx::IxClassqxClass () const =0
 Access to introspection engine (or reflection engine) of QxOrm library.
virtual QString toJson (const QString &format=QString()) const =0
virtual qx_bool fromJson (const QString &json, const QString &format=QString())=0

Static Public Member Functions

static std::shared_ptr
< qx::IxPersistableCollection
qxFetchAll (const QString &className, const QStringList &columns=QStringList(), const QStringList &relation=QStringList(), QSqlDatabase *pDatabase=NULL)
static std::shared_ptr
< qx::IxPersistableCollection
qxFetchByQuery (const QString &className, const qx::QxSqlQuery &query, const QStringList &columns=QStringList(), const QStringList &relation=QStringList(), QSqlDatabase *pDatabase=NULL)
static std::shared_ptr
< qx::IxPersistableCollection
qxExecuteQuery (const QString &className, qx::QxSqlQuery &query, QSqlDatabase *pDatabase=NULL)

Detailed Description

qx::IxPersistable : common interface (abstract class) for persistents classes using QX_PERSISTABLE_HPP() and QX_PERSISTABLE_CPP() macros

To use this common interface for persistents classes :
1- inherit your persistent class from qx::IxPersistable ;
2- into your class definition (myClass.h for example), add QX_PERSISTABLE_HPP(myClass) macro ;
3- into your class implementation (myClass.cpp for example), add QX_PERSISTABLE_CPP(myClass) macro.

Note : for a list of objects (qxFetchAll() method or qxFetchByQuery() method), use qx::QxCollection<type_primary_key, std::shared_ptr<my_type>> type. Or just use qx::QxPersistableCollectionHelper<T>::type to retrieve your persistent collection type. A convenient way to fetch a list of objects is to use following static methods qxFetchAll() and qxFetchByQuery() :

std::shared_ptr<qx::IxPersistableCollection> lst = qx::IxPersistable::qxFetchAll("myClass");
for (long l = 0; l < lst->_count(); l++)
{ qx::IxPersistable_ptr ptr = lst->_get<qx::IxPersistable_ptr>(l); etc... }

Definition at line 80 of file IxPersistable.h.


Constructor & Destructor Documentation

qx::IxPersistable::IxPersistable ( )
virtual qx::IxPersistable::~IxPersistable ( ) [virtual]

Member Function Documentation

virtual qx_bool qx::IxPersistable::fromJson ( const QString &  json,
const QString &  format = QString() 
) [pure virtual]
virtual qx::IxClass* qx::IxPersistable::qxClass ( ) const [pure virtual]

Access to introspection engine (or reflection engine) of QxOrm library.

Returns:
Return a qx::IxClass pointer to access to introspection engine (or reflection engine) of QxOrm library, and get some informations about current class (properties, methods, etc...)

Implemented in qx::QxPersistableCollection< Key, Value, T >.

virtual long qx::IxPersistable::qxCount ( const qx::QxSqlQuery query = qx::QxSqlQuery(),
QSqlDatabase *  pDatabase = NULL 
) [pure virtual]

Return the number of lines in the table (database) mapped to the current C++ class (registered into QxOrm context) and filtered by a user SQL query.

Parameters:
queryDefine a user SQL query added to default SQL query builded by QxOrm library
pDatabaseConnection to database (you can manage your own connection pool for example, you can also define a transaction, etc.); if NULL, a valid connection for the current thread is provided by qx::QxSqlDatabase singleton class

qx::IxPersistable * p = ...;
p->qxCount(...) execute following SQL query :
SELECT COUNT(*) FROM my_table + WHERE my_query...

Implemented in qx::QxPersistableCollection< Key, Value, T >.

virtual QSqlError qx::IxPersistable::qxCount ( long &  lCount,
const qx::QxSqlQuery query = qx::QxSqlQuery(),
QSqlDatabase *  pDatabase = NULL 
) [pure virtual]

Return the number of lines in the table (database) mapped to the current C++ class (registered into QxOrm context) and filtered by a user SQL query.

Parameters:
lCountOutput parameter with the number of lines in the table associated to the SQL query
queryDefine a user SQL query added to default SQL query builded by QxOrm library
pDatabaseConnection to database (you can manage your own connection pool for example, you can also define a transaction, etc.); if NULL, a valid connection for the current thread is provided by qx::QxSqlDatabase singleton class

qx::IxPersistable * p = ...;
p->qxCount(...) execute following SQL query :
SELECT COUNT(*) FROM my_table + WHERE my_query...

Implemented in qx::QxPersistableCollection< Key, Value, T >.

virtual QSqlError qx::IxPersistable::qxDeleteAll ( QSqlDatabase *  pDatabase = NULL) [pure virtual]

Delete all lines of a table (database) mapped to current C++ class (registered into QxOrm context)

Parameters:
pDatabaseConnection to database (you can manage your own connection pool for example, you can also define a transaction, etc.); if NULL, a valid connection for the current thread is provided by qx::QxSqlDatabase singleton class
Returns:
Empty QSqlError object (from Qt library) if no error occurred; otherwise QSqlError contains a description of database error executing SQL query

qx::IxPersistable * p = ...;
p->qxDeleteAll(...) execute following SQL query :
DELETE FROM my_table

If a soft delete behavior is defined for current class, p->qxDeleteAll(...) execute following SQL query :
UPDATE my_table SET is_deleted='1'

Implemented in qx::QxPersistableCollection< Key, Value, T >.

virtual QSqlError qx::IxPersistable::qxDeleteById ( const QVariant &  id = QVariant(),
QSqlDatabase *  pDatabase = NULL 
) [pure virtual]

Delete current instance from database.

Parameters:
idUnique id to delete from database (if empty, check id of current instance)
pDatabaseConnection to database (you can manage your own connection pool for example, you can also define a transaction, etc.); if NULL, a valid connection for the current thread is provided by qx::QxSqlDatabase singleton class
Returns:
Empty QSqlError object (from Qt library) if no error occurred; otherwise QSqlError contains a description of database error executing SQL query

qx::IxPersistable * p = ...;
p->qxDeleteById(...) execute following SQL query :
DELETE FROM my_table WHERE my_id = ?

If a soft delete behavior is defined for current class, p->qxDeleteById(...) execute following SQL query :
UPDATE my_table SET is_deleted='1' WHERE my_id = ?

Implemented in qx::QxPersistableCollection< Key, Value, T >.

virtual QSqlError qx::IxPersistable::qxDeleteByQuery ( const qx::QxSqlQuery query,
QSqlDatabase *  pDatabase = NULL 
) [pure virtual]

Delete all lines of a table (database) mapped to current C++ class (registered into QxOrm context) and filtered by a user SQL query.

Parameters:
queryDefine a user SQL query added to default SQL query builded by QxOrm library
pDatabaseConnection to database (you can manage your own connection pool for example, you can also define a transaction, etc.); if NULL, a valid connection for the current thread is provided by qx::QxSqlDatabase singleton class
Returns:
Empty QSqlError object (from Qt library) if no error occurred; otherwise QSqlError contains a description of database error executing SQL query

qx::IxPersistable * p = ...;
p->qxDeleteByQuery(...) execute following SQL query :
DELETE FROM my_table + WHERE my_query...

If a soft delete behavior is defined for current class, p->qxDeleteByQuery(...) execute following SQL query :
UPDATE my_table SET is_deleted='1' + WHERE my_query...

Implemented in qx::QxPersistableCollection< Key, Value, T >.

virtual QSqlError qx::IxPersistable::qxDestroyAll ( QSqlDatabase *  pDatabase = NULL) [pure virtual]

Delete all lines of a table (database) mapped to current C++ class (registered into QxOrm context)

Parameters:
pDatabaseConnection to database (you can manage your own connection pool for example, you can also define a transaction, etc.); if NULL, a valid connection for the current thread is provided by qx::QxSqlDatabase singleton class
Returns:
Empty QSqlError object (from Qt library) if no error occurred; otherwise QSqlError contains a description of database error executing SQL query

qx::IxPersistable * p = ...;
p->qxDestroyAll(...) execute following SQL query :
DELETE FROM my_table

Implemented in qx::QxPersistableCollection< Key, Value, T >.

virtual QSqlError qx::IxPersistable::qxDestroyById ( const QVariant &  id = QVariant(),
QSqlDatabase *  pDatabase = NULL 
) [pure virtual]

Delete current instance from database.

Parameters:
idUnique id to delete from database (if empty, check id of current instance)
pDatabaseConnection to database (you can manage your own connection pool for example, you can also define a transaction, etc.); if NULL, a valid connection for the current thread is provided by qx::QxSqlDatabase singleton class
Returns:
Empty QSqlError object (from Qt library) if no error occurred; otherwise QSqlError contains a description of database error executing SQL query

qx::IxPersistable * p = ...;
p->qxDestroyById(...) execute following SQL query :
DELETE FROM my_table WHERE my_id = ?

Implemented in qx::QxPersistableCollection< Key, Value, T >.

virtual QSqlError qx::IxPersistable::qxDestroyByQuery ( const qx::QxSqlQuery query,
QSqlDatabase *  pDatabase = NULL 
) [pure virtual]

Delete all lines of a table (database) mapped to current C++ class (registered into QxOrm context) and filtered by a user SQL query.

Parameters:
queryDefine a user SQL query added to default SQL query builded by QxOrm library
pDatabaseConnection to database (you can manage your own connection pool for example, you can also define a transaction, etc.); if NULL, a valid connection for the current thread is provided by qx::QxSqlDatabase singleton class
Returns:
Empty QSqlError object (from Qt library) if no error occurred; otherwise QSqlError contains a description of database error executing SQL query

qx::IxPersistable * p = ...;
p->qxDestroyByQuery(...) execute following SQL query :
DELETE FROM my_table + WHERE my_query...

Implemented in qx::QxPersistableCollection< Key, Value, T >.

virtual QSqlError qx::IxPersistable::qxExecuteQuery ( qx::QxSqlQuery query,
QSqlDatabase *  pDatabase = NULL 
) [pure virtual]

Execute a custom SQL query or a stored procedure, all columns that can be mapped to the instance of type T will be fetched automatically.

Parameters:
queryDefine a user SQL query added to default SQL query builded by QxOrm library
pDatabaseConnection to database (you can manage your own connection pool for example, you can also define a transaction, etc.); if NULL, a valid connection for the current thread is provided by qx::QxSqlDatabase singleton class
Returns:
Empty QSqlError object (from Qt library) if no error occurred; otherwise QSqlError contains a description of database error executing SQL query

Implemented in qx::QxPersistableCollection< Key, Value, T >.

virtual QSqlError qx::IxPersistable::qxExecuteQuery ( qx::QxSqlQuery query,
qx::IxPersistableCollection list = NULL,
QSqlDatabase *  pDatabase = NULL 
) [pure virtual]

Execute a custom SQL query or a stored procedure, all columns that can be mapped to the instance of type T will be fetched automatically.

Parameters:
queryDefine a user SQL query added to default SQL query builded by QxOrm library
listContainer to fetch all items (retrieve all elements and properties associated); list is cleared before executing SQL query
pDatabaseConnection to database (you can manage your own connection pool for example, you can also define a transaction, etc.); if NULL, a valid connection for the current thread is provided by qx::QxSqlDatabase singleton class
Returns:
Empty QSqlError object (from Qt library) if no error occurred; otherwise QSqlError contains a description of database error executing SQL query

Implemented in qx::QxPersistableCollection< Key, Value, T >.

static std::shared_ptr<qx::IxPersistableCollection> qx::IxPersistable::qxExecuteQuery ( const QString &  className,
qx::QxSqlQuery query,
QSqlDatabase *  pDatabase = NULL 
) [static]
virtual qx_bool qx::IxPersistable::qxExist ( const QVariant &  id = QVariant(),
QSqlDatabase *  pDatabase = NULL 
) [pure virtual]

Search if current instance already exists into database.

Parameters:
idUnique id to check into database (if empty, check id of current instance)
pDatabaseConnection to database (you can manage your own connection pool for example, you can also define a transaction, etc.); if NULL, a valid connection for the current thread is provided by qx::QxSqlDatabase singleton class
Returns:
Return true if element already exists into database; otherwise return false; if an error occurred, qx_bool object contains a description of database error executing SQL query

qx::IxPersistable * p = ...;
p->qxExist(...) execute following SQL query :
SELECT * FROM my_table WHERE my_id = ?

Implemented in qx::QxPersistableCollection< Key, Value, T >.

virtual QSqlError qx::IxPersistable::qxFetchAll ( qx::IxPersistableCollection list = NULL,
const QStringList &  columns = QStringList(),
const QStringList &  relation = QStringList(),
QSqlDatabase *  pDatabase = NULL 
) [pure virtual]

Fetch a list of objects (retrieve all elements and properties associated) of current type (container registered into QxOrm context) mapped to a table in the database.

Parameters:
listContainer to fetch all items (retrieve all elements and properties associated); list is cleared before executing SQL query
columnsList of database table columns (mapped to properties of C++ class) to fetch (if empty, all columns are fetched)
relationList of relationships keys to fetch (eager fetch instead of default lazy fetch for a relation) : use "|" separator to put many relationships keys into this parameter
pDatabaseConnection to database (you can manage your own connection pool for example, you can also define a transaction, etc.); if NULL, a valid connection for the current thread is provided by qx::QxSqlDatabase singleton class
Returns:
Empty QSqlError object (from Qt library) if no error occurred; otherwise QSqlError contains a description of database error executing SQL query

qx::IxPersistable * p = ...;
std::shared_ptr<qx::IxPersistableCollection> lst = p->qxNewPersistableCollection();
p->qxFetchAll(& lst, ...) execute following SQL query :
SELECT * FROM my_table

Implemented in qx::QxPersistableCollection< Key, Value, T >.

static std::shared_ptr<qx::IxPersistableCollection> qx::IxPersistable::qxFetchAll ( const QString &  className,
const QStringList &  columns = QStringList(),
const QStringList &  relation = QStringList(),
QSqlDatabase *  pDatabase = NULL 
) [static]
virtual QSqlError qx::IxPersistable::qxFetchById ( const QVariant &  id = QVariant(),
const QStringList &  columns = QStringList(),
const QStringList &  relation = QStringList(),
QSqlDatabase *  pDatabase = NULL 
) [pure virtual]

Fetch current instance (retrieve all its properties) mapped to a table in the database (current instance must have a valid id before to be fetched without error, or pass the id to the first parameter of this method)

Parameters:
idUnique id to fetch properties from database (if empty, check id of current instance)
columnsList of database table columns (mapped to properties of C++ class) to fetch (if empty, all columns are fetched)
relationList of relationships keys to fetch (eager fetch instead of default lazy fetch for a relation) : use "|" separator to put many relationships keys into this parameter
pDatabaseConnection to database (you can manage your own connection pool for example, you can also define a transaction, etc.); if NULL, a valid connection for the current thread is provided by qx::QxSqlDatabase singleton class
Returns:
Empty QSqlError object (from Qt library) if no error occurred; otherwise QSqlError contains a description of database error executing SQL query

qx::IxPersistable * p = ...;
p->qxFetchById(...) execute following SQL query :
SELECT * FROM my_table WHERE my_id = ?

Implemented in qx::QxPersistableCollection< Key, Value, T >.

virtual QSqlError qx::IxPersistable::qxFetchByQuery ( const qx::QxSqlQuery query,
qx::IxPersistableCollection list = NULL,
const QStringList &  columns = QStringList(),
const QStringList &  relation = QStringList(),
QSqlDatabase *  pDatabase = NULL 
) [pure virtual]

Fetch a list of objects (retrieve all elements and properties associated) of current type (container registered into QxOrm context) mapped to a table in the database and filtered by a user SQL query.

Parameters:
queryDefine a user SQL query added to default SQL query builded by QxOrm library
listContainer to fetch all items (retrieve all elements and properties associated); list is cleared before executing SQL query
columnsList of database table columns (mapped to properties of C++ class) to fetch (if empty, all columns are fetched)
relationList of relationships keys to fetch (eager fetch instead of default lazy fetch for a relation) : use "|" separator to put many relationships keys into this parameter
pDatabaseConnection to database (you can manage your own connection pool for example, you can also define a transaction, etc.); if NULL, a valid connection for the current thread is provided by qx::QxSqlDatabase singleton class
Returns:
Empty QSqlError object (from Qt library) if no error occurred; otherwise QSqlError contains a description of database error executing SQL query

qx::IxPersistable * p = ...;
std::shared_ptr<qx::IxPersistableCollection> lst = p->qxNewPersistableCollection();
p->qxFetchByQuery(my_query, & lst, ...) execute following SQL query :
SELECT * FROM my_table + WHERE my_query...

Implemented in qx::QxPersistableCollection< Key, Value, T >.

static std::shared_ptr<qx::IxPersistableCollection> qx::IxPersistable::qxFetchByQuery ( const QString &  className,
const qx::QxSqlQuery query,
const QStringList &  columns = QStringList(),
const QStringList &  relation = QStringList(),
QSqlDatabase *  pDatabase = NULL 
) [static]
virtual QSqlError qx::IxPersistable::qxInsert ( const QStringList &  relation = QStringList(),
QSqlDatabase *  pDatabase = NULL 
) [pure virtual]

Insert current instance into database.

Parameters:
relationList of relationships keys to insert in others tables of database : use "|" separator to put many relationships keys into this parameter
pDatabaseConnection to database (you can manage your own connection pool for example, you can also define a transaction, etc.); if NULL, a valid connection for the current thread is provided by qx::QxSqlDatabase singleton class
Returns:
Empty QSqlError object (from Qt library) if no error occurred; otherwise QSqlError contains a description of database error executing SQL query

qx::IxPersistable * p = ...;
p->qxInsert(...) execute following SQL query :
INSERT INTO my_table (my_column_1, my_column_2, etc.) VALUES (?, ?, etc.)

Implemented in qx::QxPersistableCollection< Key, Value, T >.

virtual std::shared_ptr<qx::IxPersistableCollection> qx::IxPersistable::qxNewPersistableCollection ( ) const [pure virtual]

Create a new collection smart-pointer to fetch a list of items of current class type.

Returns:
Return a new collection smart-pointer to fetch a list of items of current class type

Implemented in qx::QxPersistableCollection< Key, Value, T >.

virtual QSqlError qx::IxPersistable::qxSave ( const QStringList &  relation = QStringList(),
QSqlDatabase *  pDatabase = NULL 
) [pure virtual]

Insert (if no exist) or update (if already exist) current instance into database.

Parameters:
relationList of relationships keys to insert or update in others tables of database : use "|" separator to put many relationships keys into this parameter
pDatabaseConnection to database (you can manage your own connection pool for example, you can also define a transaction, etc.); if NULL, a valid connection for the current thread is provided by qx::QxSqlDatabase singleton class
Returns:
Empty QSqlError object (from Qt library) if no error occurred; otherwise QSqlError contains a description of database error executing SQL query

qx::IxPersistable * p = ...;
p->qxSave(...) execute following SQL query :
INSERT INTO my_table (my_column_1, my_column_2, etc.) VALUES (?, ?, etc.)
or (if already exist into database) :
UPDATE my_table SET my_column_1 = ?, my_column_2 = ?, etc.

Implemented in qx::QxPersistableCollection< Key, Value, T >.

virtual QSqlError qx::IxPersistable::qxUpdate ( const qx::QxSqlQuery query = qx::QxSqlQuery(),
const QStringList &  columns = QStringList(),
const QStringList &  relation = QStringList(),
QSqlDatabase *  pDatabase = NULL 
) [pure virtual]

Update current instance into database (you can add a user SQL query to the default SQL query builded by QxOrm library)

Parameters:
queryDefine a user SQL query added to default SQL query builded by QxOrm library
columnsList of database table columns (mapped to properties of C++ class) to update (if empty, all columns are updated)
relationList of relationships keys to update in others tables of database : use "|" separator to put many relationships keys into this parameter
pDatabaseConnection to database (you can manage your own connection pool for example, you can also define a transaction, etc.); if NULL, a valid connection for the current thread is provided by qx::QxSqlDatabase singleton class
Returns:
Empty QSqlError object (from Qt library) if no error occurred; otherwise QSqlError contains a description of database error executing SQL query

qx::IxPersistable * p = ...;
p->qxUpdate(...) execute following SQL query :
UPDATE my_table SET my_column_1 = ?, my_column_2 = ?, etc. + WHERE my_query...

Implemented in qx::QxPersistableCollection< Key, Value, T >.

virtual qx::QxInvalidValueX qx::IxPersistable::qxValidate ( const QStringList &  groups = QStringList()) [pure virtual]

Check if current instance is valid or not.

Parameters:
groupsList of groups to check (defined into QxValidator module for current class)
Returns:
Return list of invalid values (if empty, current instance is valid)

For more details about QxValidator module : https://www.qxorm.com/qxorm_en/faq.html#faq_250

Implemented in qx::QxPersistableCollection< Key, Value, T >.

virtual QString qx::IxPersistable::toJson ( const QString &  format = QString()) const [pure virtual]

The documentation for this class was generated from the following file: