- class QSqlIndex#
The
QSqlIndex
class provides functions to manipulate and describe database indexes. More…Synopsis#
Methods#
def
__init__()
def
append()
def
cursorName()
def
isDescending()
def
name()
def
setCursorName()
def
setDescending()
def
setName()
def
swap()
Note
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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.
Constructs a copy of
other
.- __init__([cursorName=""[, name=""]])
- Parameters:
cursorName – str
name – str
Constructs an empty index using the cursor name
cursorname
and index namename
.This is an overloaded function.
Appends the field
field
to the list of indexed fields. The field is appended with an ascending sort order, unlessdesc
is true.- cursorName()#
- Return type:
str
Returns the name of the cursor which the index is associated with.
See also
- isDescending(i)#
- Parameters:
i – int
- Return type:
bool
Returns
true
if fieldi
in the index is sorted in descending order; otherwise returnsfalse
.- name()#
- Return type:
str
Returns the name of the index.
See also
- setCursorName(cursorName)#
- Parameters:
cursorName – str
Sets the name of the cursor that the index is associated with to
cursorName
.See also
- setDescending(i, desc)#
- Parameters:
i – int
desc – bool
If
desc
is true, fieldi
is sorted in descending order. Otherwise, fieldi
is sorted in ascending order (the default). If the field does not exist, nothing happens.See also
- setName(name)#
- Parameters:
name – str
Sets the name of the index to
name
.See also