QueryRowSwap

Tìm kiếm

Cập nhật gần đây nhất vào 26 thg 12, 2022

Description

Swaps the contents of a row with a specified row in a query object.

For example, you can swap a record in sourceRow with the record of destinationRow.

Returns

A query object.

Syntax

QueryRowSwap(query, sourceRow, destinationRow)

Member function

query.Swap(sourceRow, destinationRow)

History

New in ColdFusion (2018 release) Update 5.

Parameters

Parameter	Required/Optional	Description
Query	Required	The query object where the rows are to be swapped.
sourceRow	Required	The row to swap.
destinationRow	Required	The row to be swapped with.

Example

<cfscript>
 myQuery1=queryNew("empid,depid,name", "integer,integer,varchar",[
    [10, 101, "John"],
    [20, 120, "James"],
    [30, 205, "Peter"]
    ]);
 myQuery2=queryNew("empid,depid,name","integer,integer,varchar",[
 [40, 530, "Jacob"],
    [50, 306, "Mary"],
    [60, 120, "Helen"]
 ])
 QueryAppend(myquery1,myquery2)
 WriteOutput("Query object before swap")
 WriteDump(myquery1)
 swapped=QueryRowSwap(myquery1,2,3) // Swap the records in position 2 and 3
 WriteOutput("Query object after swapping rows 2 and 3")
 WriteDump(swapped)
</cfscript>