QSqlIndex

The QSqlIndex class provides functions to manipulate and describe database indexes. More

Inheritance diagram of PySide2.QtSql.QSqlIndex

Synopsis

Functions

Detailed Description

An index refers to a single table or view in a database. Information about the fields that comprise the index can be used to generate SQL statements.

class QSqlIndex(other)

QSqlIndex([cursorName=”“[, name=”“]])

param name

unicode

param cursorName

unicode

param other

QSqlIndex

Constructs a copy of other .

Constructs an empty index using the cursor name cursorname and index name name .

PySide2.QtSql.QSqlIndex.append(field, desc)
Parameters

This is an overloaded function.

Appends the field field to the list of indexed fields. The field is appended with an ascending sort order, unless desc is true.

PySide2.QtSql.QSqlIndex.cursorName()
Return type

unicode

Returns the name of the cursor which the index is associated with.

See also

setCursorName()

PySide2.QtSql.QSqlIndex.isDescending(i)
Parameters

iint

Return type

bool

Returns true if field i in the index is sorted in descending order; otherwise returns false .

PySide2.QtSql.QSqlIndex.name()
Return type

unicode

Returns the name of the index.

See also

setName()

PySide2.QtSql.QSqlIndex.setCursorName(cursorName)
Parameters

cursorName – unicode

Sets the name of the cursor that the index is associated with to cursorName .

See also

cursorName()

PySide2.QtSql.QSqlIndex.setDescending(i, desc)
Parameters
  • iint

  • descbool

If desc is true, field i is sorted in descending order. Otherwise, field i is sorted in ascending order (the default). If the field does not exist, nothing happens.

See also

isDescending()

PySide2.QtSql.QSqlIndex.setName(name)
Parameters

name – unicode

Sets the name of the index to name .

See also

name()