QueryDeleteRow

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Последнее обновление 11 янв. 2022 г.

ColdFusion

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Description

Deletes a row from a query object.

Returns

Returns the modified query object.

Syntax

QueryDeleteRow(Object queryObject, int rowNum)

History

New in ColdFusion (2018 release).

Parameters

Parameter	Required/Optional	Description
queryObject	Required	The query object in which a column is to be deleted.
rowNum	Required	The row number corresponding to the row to be deleted.

Example 1

<cfscript>
    myQuery = queryNew("id,name,amount","Integer,Varchar,Integer", 
                [ 
                        {id=1,name="One",amount=15}, 
                        {id=2,name="Two",amount=18}, 
                        {id=3,name="Three",amount=32} 
                ]); 
    writeOutput("The original query object is:")
    writeDump(myQuery)
    // Delete row
    QueryDeleteRow(myQuery,1)
    writeOutput("The modified query object is:")
    writeDump(myQuery)
</cfscript>

Output

Example 2

<cfscript>
  myResult=QueryExecute(("SELECT * FROM EMPLOYEES WHERE EMP_ID BETWEEN :low AND :high"),{low=4,high=14},
       {datasource="cfdocexamples"});
     writeOutput("Array before deleting any row" & "<br/>");
     writeDump(myResult);
     writeOutput("Deleting row 2" & "<br/>");
     myDeletedRow=QueryDeleteRow(myResult,2);
     // Display output after row deletion
     writeOutput("<br/>" & myDeletedRow);
     writeOutput("<br/>" & "Array after deleting the row" & "<br/>");
     WriteDump(myResult);
</cfscript>