Scan

Description

This function returns item and item attributes by iterating every item in a table or a secondary index.

For more information, see Scan.

History

ColdFusion (2021 release): Added this function.

Syntax

serviceHandle.scan(requestParameters)

Parameters

See request parameters of Scan.

Example

<cfscript> 
   cred = { 
    "credentialAlias" : "myalias", 
    "vendorName" : "AWS", 
    "region" : "us-east-2", 
    "secretAccessKey" : "xxxxx", 
    "accessKeyId" : "xxxx" 
  } 
     
    conf={ 
        "serviceName"="DYNAMODB" 
    } 
 
    dynamo=getCloudService(cred, conf) 
 
    tableName="MusicTableForDemo" 
    scanStruct = { 
        "TableName": "#tableName#" 
    } 
 
    scanResponse=dynamo.scan(scanStruct,{"customResponse":true}) 
        
    arr=scanResponse.items 
    writeOutput("<b>List of songs</b>" & "<br/>") 
 
    mapFunction=function(item){ 
       writeOutput(item.SongTitle & "<br/>") 
    } 
 
    arr.map(mapFunction) 
</cfscript>

Output

List of songs
Angie
Hey Jude
Let it be
Yesterday
Hello
Hello, I Love You
Hello
Hello, I Love You

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