Parameter
上次更新日期：
2022年1月11日
Description
Deletes a row from a query object.
Returns
Returns the modified query object.
Category
Syntax
QueryDeleteRow(Object queryObject, int rowNum)
History
New in ColdFusion (2018 release).
Parameters
|
|
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>
