API reference - Class QSqlIndex

Notation used in Ruby API documentation

Module: QtSql

Description: Binding of QSqlIndex

Class hierarchy: QSqlIndex » QSqlRecord

Public constructors

new QSqlIndexnew(string cursorName = QString(),
string name = QString())
Constructor QSqlIndex::QSqlIndex(const QString &cursorName, const QString &name)
new QSqlIndexnew(const QSqlIndex other)Constructor QSqlIndex::QSqlIndex(const QSqlIndex &other)

Public methods

void_assign(const QSqlIndex other)Assigns another object to self
[const]QSqlIndex ptr_const_castReturns a non-const reference to self.
void_createEnsures the C++ object is created
void_destroyExplicitly destroys the object
[const]bool_destroyed?Returns a value indicating whether the object was already destroyed
[const]bool_is_const_object?Returns a value indicating whether the reference is a const reference
void_manageMarks the object as managed by the script side.
void_unmanageMarks the object as no longer owned by the script side.
voidappend(const QSqlField field)Method void QSqlIndex::append(const QSqlField &field)
voidappend(const QSqlField field,
bool desc)
Method void QSqlIndex::append(const QSqlField &field, bool desc)
QSqlIndexassign(const QSqlIndex other)Method QSqlIndex &QSqlIndex::operator=(const QSqlIndex &other)
[const]stringcursorNameMethod QString QSqlIndex::cursorName()
voidcursorName=(string cursorName)Method void QSqlIndex::setCursorName(const QString &cursorName)
[const]new QSqlIndex ptrdupCreates a copy of self
[const]boolisDescending?(int i)Method bool QSqlIndex::isDescending(int i)
[const]stringnameMethod QString QSqlIndex::name()
voidname=(string name)Method void QSqlIndex::setName(const QString &name)
voidsetCursorName(string cursorName)Method void QSqlIndex::setCursorName(const QString &cursorName)
voidsetDescending(int i,
bool desc)
Method void QSqlIndex::setDescending(int i, bool desc)
voidsetName(string name)Method void QSqlIndex::setName(const QString &name)

Deprecated methods (protected, public, static, non-static and constructors)

voidcreateUse of this method is deprecated. Use _create instead
voiddestroyUse of this method is deprecated. Use _destroy instead
[const]booldestroyed?Use of this method is deprecated. Use _destroyed? instead
[const]boolis_const_object?Use of this method is deprecated. Use _is_const_object? instead

Detailed description

_assign

Signature: void _assign (const QSqlIndex other)

Description: Assigns another object to self

_const_cast

Signature: [const] QSqlIndex ptr _const_cast

Description: Returns a non-const reference to self.

Basically, this method allows turning a const object reference to a non-const one. This method is provided as last resort to remove the constness from an object. Usually there is a good reason for a const object reference, so using this method may have undesired side effects.

This method has been introduced in version 0.29.6.

_create

Signature: void _create

Description: Ensures the C++ object is created

Use this method to ensure the C++ object is created, for example to ensure that resources are allocated. Usually C++ objects are created on demand and not necessarily when the script object is created.

_destroy

Signature: void _destroy

Description: Explicitly destroys the object

Explicitly destroys the object on C++ side if it was owned by the script interpreter. Subsequent access to this object will throw an exception. If the object is not owned by the script, this method will do nothing.

_destroyed?

Signature: [const] bool _destroyed?

Description: Returns a value indicating whether the object was already destroyed

This method returns true, if the object was destroyed, either explicitly or by the C++ side. The latter may happen, if the object is owned by a C++ object which got destroyed itself.

_is_const_object?

Signature: [const] bool _is_const_object?

Description: Returns a value indicating whether the reference is a const reference

This method returns true, if self is a const reference. In that case, only const methods may be called on self.

_manage

Signature: void _manage

Description: Marks the object as managed by the script side.

After calling this method on an object, the script side will be responsible for the management of the object. This method may be called if an object is returned from a C++ function and the object is known not to be owned by any C++ instance. If necessary, the script side may delete the object if the script's reference is no longer required.

Usually it's not required to call this method. It has been introduced in version 0.24.

_unmanage

Signature: void _unmanage

Description: Marks the object as no longer owned by the script side.

Calling this method will make this object no longer owned by the script's memory management. Instead, the object must be managed in some other way. Usually this method may be called if it is known that some C++ object holds and manages this object. Technically speaking, this method will turn the script's reference into a weak reference. After the script engine decides to delete the reference, the object itself will still exist. If the object is not managed otherwise, memory leaks will occur.

Usually it's not required to call this method. It has been introduced in version 0.24.

append

(1) Signature: void append (const QSqlField field)

Description: Method void QSqlIndex::append(const QSqlField &field)

(2) Signature: void append (const QSqlField field, bool desc)

Description: Method void QSqlIndex::append(const QSqlField &field, bool desc)

assign

Signature: QSqlIndex assign (const QSqlIndex other)

Description: Method QSqlIndex &QSqlIndex::operator=(const QSqlIndex &other)

create

Signature: void create

Description: Ensures the C++ object is created

Use of this method is deprecated. Use _create instead

Use this method to ensure the C++ object is created, for example to ensure that resources are allocated. Usually C++ objects are created on demand and not necessarily when the script object is created.

cursorName

Signature: [const] string cursorName

Description: Method QString QSqlIndex::cursorName()

Python specific notes:
The object exposes a readable attribute 'cursorName'. This is the getter.

cursorName=

Signature: void cursorName= (string cursorName)

Description: Method void QSqlIndex::setCursorName(const QString &cursorName)

Python specific notes:
The object exposes a writable attribute 'cursorName'. This is the setter.

destroy

Signature: void destroy

Description: Explicitly destroys the object

Use of this method is deprecated. Use _destroy instead

Explicitly destroys the object on C++ side if it was owned by the script interpreter. Subsequent access to this object will throw an exception. If the object is not owned by the script, this method will do nothing.

destroyed?

Signature: [const] bool destroyed?

Description: Returns a value indicating whether the object was already destroyed

Use of this method is deprecated. Use _destroyed? instead

This method returns true, if the object was destroyed, either explicitly or by the C++ side. The latter may happen, if the object is owned by a C++ object which got destroyed itself.

dup

Signature: [const] new QSqlIndex ptr dup

Description: Creates a copy of self

Python specific notes:
This method also implements '__copy__' and '__deepcopy__'.

isDescending?

Signature: [const] bool isDescending? (int i)

Description: Method bool QSqlIndex::isDescending(int i)

is_const_object?

Signature: [const] bool is_const_object?

Description: Returns a value indicating whether the reference is a const reference

Use of this method is deprecated. Use _is_const_object? instead

This method returns true, if self is a const reference. In that case, only const methods may be called on self.

name

Signature: [const] string name

Description: Method QString QSqlIndex::name()

Python specific notes:
The object exposes a readable attribute 'name'. This is the getter.

name=

Signature: void name= (string name)

Description: Method void QSqlIndex::setName(const QString &name)

Python specific notes:
The object exposes a writable attribute 'name'. This is the setter.

new

(1) Signature: [static] new QSqlIndex new (string cursorName = QString(), string name = QString())

Description: Constructor QSqlIndex::QSqlIndex(const QString &cursorName, const QString &name)

This method creates an object of class QSqlIndex.

Python specific notes:
This method is the default initializer of the object.

(2) Signature: [static] new QSqlIndex new (const QSqlIndex other)

Description: Constructor QSqlIndex::QSqlIndex(const QSqlIndex &other)

This method creates an object of class QSqlIndex.

Python specific notes:
This method is the default initializer of the object.

setCursorName

Signature: void setCursorName (string cursorName)

Description: Method void QSqlIndex::setCursorName(const QString &cursorName)

Python specific notes:
The object exposes a writable attribute 'cursorName'. This is the setter.

setDescending

Signature: void setDescending (int i, bool desc)

Description: Method void QSqlIndex::setDescending(int i, bool desc)

setName

Signature: void setName (string name)

Description: Method void QSqlIndex::setName(const QString &name)

Python specific notes:
The object exposes a writable attribute 'name'. This is the setter.