QSqlIndex¶
The QSqlIndex
class provides functions to manipulate and describe database indexes. More…
Synopsis¶
Functions¶
def
append
(field, desc)def
cursorName
()def
isDescending
(i)def
name
()def
setCursorName
(cursorName)def
setDescending
(i, desc)def
setName
(name)
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 PySide6.QtSql.QSqlIndex(other)¶
PySide6.QtSql.QSqlIndex([cursorName=””[, name=””]])
- Parameters
other –
PySide6.QtSql.QSqlIndex
cursorName – str
name – str
Constructs a copy of other
.
Constructs an empty index using the cursor name cursorname
and index name name
.
- PySide6.QtSql.QSqlIndex.append(field, desc)¶
- Parameters
field –
PySide6.QtSql.QSqlField
desc – bool
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.
- PySide6.QtSql.QSqlIndex.cursorName()¶
- Return type
str
Returns the name of the cursor which the index is associated with.
See also
- PySide6.QtSql.QSqlIndex.isDescending(i)¶
- Parameters
i – int
- Return type
bool
Returns true
if field i
in the index is sorted in descending order; otherwise returns false
.
- PySide6.QtSql.QSqlIndex.name()¶
- Return type
str
Returns the name of the index.
See also
- PySide6.QtSql.QSqlIndex.setCursorName(cursorName)¶
- Parameters
cursorName – str
Sets the name of the cursor that the index is associated with to cursorName
.
See also
- PySide6.QtSql.QSqlIndex.setDescending(i, desc)¶
- Parameters
i – int
desc – bool
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
- PySide6.QtSql.QSqlIndex.setName(name)¶
- Parameters
name – str
Sets the name of the index to name
.
See also
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