QSqlRelation

Synopsis

Functions

• def displayColumn ()
• def indexColumn ()
• def isValid ()
• def tableName ()

Detailed Description

The PySide.QtSql.QSqlRelation class stores information about an SQL foreign key.

PySide.QtSql.QSqlRelation is a helper class for PySide.QtSql.QSqlRelationalTableModel . See QSqlRelationalTableModel.setRelation() and QSqlRelationalTableModel.relation() for details.

See also

PySide.QtSql.QSqlRelationalTableModel PySide.QtSql.QSqlRelationalDelegate Relational Table Model Example

class PySide.QtSql.QSqlRelation

class PySide.QtSql.QSqlRelation(QSqlRelation)

class PySide.QtSql.QSqlRelation(aTableName, indexCol, displayCol)

Parameters:

• aTableName – unicode
• displayCol – unicode
• indexCol – unicode
• QSqlRelation – PySide.QtSql.QSqlRelation

Constructs an invalid PySide.QtSql.QSqlRelation object.

For such an object, the PySide.QtSql.QSqlRelation.tableName() , PySide.QtSql.QSqlRelation.indexColumn() , and PySide.QtSql.QSqlRelation.displayColumn() functions return an empty string.

See also

PySide.QtSql.QSqlRelation.isValid()

Constructs a PySide.QtSql.QSqlRelation object, where tableName is the SQL table name to which a foreign key refers, indexColumn is the foreign key, and displayColumn is the field that should be presented to the user.

See also

PySide.QtSql.QSqlRelation.tableName() PySide.QtSql.QSqlRelation.indexColumn() PySide.QtSql.QSqlRelation.displayColumn()

PySide.QtSql.QSqlRelation.displayColumn()

Return type:unicode

Returns the column from table PySide.QtSql.QSqlRelation.tableName() that should be presented to the user instead of a foreign key.

PySide.QtSql.QSqlRelation.indexColumn()

Return type:unicode

Returns the index column from table PySide.QtSql.QSqlRelation.tableName() to which a foreign key refers.

PySide.QtSql.QSqlRelation.isValid()

Return type:PySide.QtCore.bool

Returns true if the PySide.QtSql.QSqlRelation object is valid; otherwise returns false.

PySide.QtSql.QSqlRelation.tableName()

Return type:unicode

Returns the name of the table to which a foreign key refers.