Questions tagged [map]
A map is a collection of key-value pairs where each unique key maps to a single value.
835
questions
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20
views
Illegal assignment from list to map
Apex:code
public class mapcollection {
public static void map_cases()
{
Map<Id, Case> mc = new map<Id, Case>();
mc=[select id,status,priority,reason,origin from case];
...
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-1
votes
1
answer
13
views
How to iterate List<Map<String, Object>> in aura component
I want to iterate over List<Map<String, Object>>. I'm not sure how to do it. Below is the response I am getting from apex class to aura controller.
[{"label":"Test 1",&...
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0
votes
2
answers
26
views
Retrieve Field Value from Map
I am creating a batch process that looks at all records for the custom object enrollment__c that have a null account_team__c field. That field is a lookup to the account_team__c custom object. The ...
- 329
0
votes
2
answers
39
views
Need Help to Update the two multiple records at the same time with unique value
Hi I am working on the scenario, and need some help from the community, kindly help me out for the below .
I have created a below map in my class : -
Private Map <Id, string> testMap = new Map &...
- 3
1
vote
1
answer
21
views
Map with empty values are omitted by default
Below is the way I store the keys and values in my map.
Map<String, Object> mapNew = new Map<String, Object>();
Object obj = record.get(fieldName) != null ? record.get(fieldName) : null; ...
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-1
votes
2
answers
48
views
JSON Array String into List
Sorry for this noob question but I just want to ask:
String stringJSON = '[{"action":"ASSIGN","value":"Router"},{"action":"DISABLE","...
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votes
0
answers
17
views
Hi Team, I am new to Apex coding, I have created an apex class for insert triggers. Kindly help me to use the map here for bulkify the code [duplicate]
When a contact record is inserted, the corresponding account status and sibling contact records status should update. It is working as per this code. kindly help me to to use maps here
trigger ...
0
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1
answer
23
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How to map account name with list of phone numbers
I am trying to map the account name with the related phone numbers
set<String> phoneNumbers = new set<String>();
Map<String, set<String>> clientNamePhone = new Map<String, ...
0
votes
1
answer
53
views
Is there any way to replace nested for loop with map for the following apex trigger?
trigger oppTrigger on Opportunity (after insert,after update) {
Set<Id> accIds = new Set<Id>();
Set<Id> oppIds = new Set<Id>();
List<Account> accToAdd = new ...
0
votes
2
answers
52
views
attempt to de-reference null object when using maps to build parent-child relationship for visualforce page
Products Products__c
Name
Label
Data Type
Sample Data
Sample Data 2
Sample Data 3
PDC
PDC__c
Text
ACA
ACG
TBC
PDC Desc
PDC_Desc__c
Text
Tire Size
Rim / Wheel Disc Size
Type of Toolbox
Value Desc
...
- 29
1
vote
2
answers
38
views
How to retrieve the Map's field value from main class when you have function of Map<String, custom_metadata_Object__mdt>
I have a map function, I particularly want to access the function with the npct1_Formal_Letter_Salutation_1__c field from the custom metadata object npct1_FC_Gender__mdt in main class.
Below system....
0
votes
1
answer
34
views
Given a date, return the ID of the record that is within the Start and End dates
Object Name: Dates__c
Fields: Id, Start_date__c (date), End_date__c (date), Week__c (string)
Objective: Given a Date e.g '2022-01-07' from an object table that has input as so...
Id
Start
End
Week #
...
0
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1
answer
111
views
How can I pass maps to an Invocable Method?
I have a method in my code that I want to make into an invocable method:
// This should be an invocable method with @InvocableMethod
private void updateContacts(Map<Id,Contact> newContactMap, ...
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-1
votes
1
answer
32
views
Search items from list and get count [closed]
I have a list of accounts from SOQL as below:
List<Account> accList = [Select ID, Name, MyField__c From Account where course__r.status = 'active'];
I have added the values of MyField__c from ...
- 15
1
vote
3
answers
89
views
Create a Unique Map from another Complex map structure in salesforce
I have a method like the below
public static void formatInput()
{
Map<string,List<string>> parentMap=new Map<string,List<string>>();
Map<string,List<string>&...
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0
votes
1
answer
35
views
How can I generate arrays [...] to serialize an object? I want to make a simple JSON serialized
"Hello everyone". I have a couple of days with these json's.
I have a json String done, like this:
String payload = JSON.serialize(
new Map<String, Object> {
'jsonrpc' =...
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2
votes
1
answer
112
views
Map contains null value for a key but returns false when called from another method
I'm using the following conditional logic in my class
if(mapCountry.get(rec.Country__c).Allowed__c != null)
The value of mapCountry.get(rec.Country__c).Allowed__c accessed via debug is false.
However ...
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-2
votes
1
answer
117
views
Get for each parent record all child records of a specific object type in a map<parentid, list<childobject>> [closed]
I'm trying to figure out the correct approach to get for each parent record in a list : all the specific sobject child records related to that specific parent record.
And I would like to arrange them ...
- 1
0
votes
1
answer
87
views
Add additional key, value pair into map object
I'm trying to write key, value entries to a map object however, it looks like the first key, value pair is being overwritten by the second. Code looks like this:
trigger AccountChangeTrigger on ...
1
vote
1
answer
22
views
Map from block of xml
I have response xml
<?xml version="1.0"?>
<xmldata xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" status="SUCCESS">
<recordset name="res"...
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1
vote
1
answer
19
views
Compare List of 2 Objects and output Matched Values
I a using the code below to compare lists of records from 2 different Objects - Resource__c and RateCardItem__c.
There is no lookup field on the Resource__c to the RateCardItem. However the ...
-3
votes
1
answer
49
views
Populate a Map<String, customObject> when String is the userId and customObject is not related to User Object [closed]
I have a CustomObject and a User Object and both are not related to each other, however there is a field in both the object that stores same values. I have to use that field to compare and create map ...
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0
votes
0
answers
37
views
Apex - Looping Subquery of Records
In my apex class that handles triggers I query the account along with the related lists of an object.
If I use this in execute anonymous I can see the account team records.
List<Account> acct = [...
- 329
0
votes
0
answers
29
views
how can i choose one email from all email Map list?
I'm just starting with salesforce and need some help.
I need to get one related email from Map email list. I manage to get all emails with this query, but don't know how to get one I needed. Any help ...
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-1
votes
1
answer
48
views
Can I Convert Map<String,sobject> to Map<String,object> [closed]
I have Data in MAP<String,sobject> type map and I wants to put it in Map<String,object> type Map. Please help with this casting.
1
vote
1
answer
26
views
Performing an update on record/s that appears in two lists. How to stop the update appearing in both lists (my own old and new lists)
I'm working on a class thats outside the normal trigger set up and used as part of an integration.
I'm looking to have two list or maps, one that contains the records data pre update. The second ...
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-3
votes
1
answer
41
views
Strange behavior with Map use [closed]
I don't understand the behavior of the map. Here is my case :
Map<ContractLineItem, Decimal> cliWithNbrMap = data(otherParameters);
for( ContractLineItem cli : cliWithNbrMap.keySet()){
...
- 3
0
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0
answers
36
views
VF google map integration satellite view
I have a task to create a google map with default satellite view. Since lightning:map is not able to do it I thought to use Google API JS to create the LWC component but it looks like I can't do it ...
-2
votes
1
answer
32
views
convert list with duplicate id to Map
I am working on an apex which is used to clear Hierarchy field values on User records when a user is deactivated.
I am stuck at the last part of code. I have a List with same UserID but with different ...
2
votes
1
answer
244
views
Map.get(key) returns null
I am working on a callout that returns info about the Asset object. Based on the response payload, I need to check whether a corresponding asset exists in SFDC or not. If an asset record exists and if ...
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votes
1
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72
views
I want to use map instead of 2 for loops
I have a situation where I have a case object which has the Asset Object as its child. I need to check whether a case has an asset with the name 'Test' and then use the created date field of that Test ...
1
vote
0
answers
141
views
How to fix System Error : Duplicate Id in list in Batch Apex
I have an error Duplicate Id in list when executing my batch. I looked at different answers on the community but even when trying to implement them, I still can't fix my error.
To try to fix the error,...
1
vote
1
answer
121
views
Get number of records created per each of last 12 month in apex
I need to query Contacts which were created by the current user per each of the last 12 month and map them by month when they were created.
So I need Map<String,Integer> (Map<Month,...
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0
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48
views
How to use maps to get list of grand child records for a parent object
I have a parent object (Account), child object(Contract) and a grand child object(contract exceptions). Contract exceptions has master detail relationship with contract. My requirement is to fetch ...
-2
votes
2
answers
51
views
because you can't populate a map with lists of lists
trying to populate a map with a list list like this:
map<integer , listlist<<sobject>>> mpsosl=[find ' ba' IN all Fields RETURNING contact(name)];
error:Illegal assignment from List&...
0
votes
1
answer
122
views
LWC with Leaflet JS >> How to access variables or functions outside of L.geoJson
I'm POC'ing using Leaflet.JS to render maps within a Lightning Community. On initial testing it out it looks good. One aspect I've noted and I'm trying to figure out is that within the JS L.geoJson(...
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0
votes
3
answers
41
views
Map or String: what do I have to use?
I need to create a method that receives three strings: color, brand and model.
Would it be better to put a map that would receive for example ("color", "blue") or directly receive &...
- 123
1
vote
1
answer
55
views
Remove items from map [closed]
I have a map which contains some information about opportunities and sales.
AccId
Revenue
Amount
Sales
1
5000
10000
500
2
500
250
250
5
7
10
10
9
25
How can I remove the item 5, because the ...
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1
vote
1
answer
34
views
Combine values from two maps to a third map
The result should display a table of all accounts from a specific user and the aggregateresult of the related opportunities and sales.
I create a map (AccList) of all accounts and add the Ids to a ...
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1
vote
1
answer
106
views
Comparing values between maps
I would like to update my exsiting code that uses Lists to instead use maps.
Here is what I have:
List<object1__c> records1 = new List<object1__c>();
List<object2__c> records2 = new ...
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0
votes
1
answer
87
views
Queueable insert list records from map and keep order
I have Map with Account and Account Id. I want to insert that accounts in Queueable and return list of all ids in order as acount is inserted(Or map, it doesnt really matther). How can i keep order if ...
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-3
votes
1
answer
40
views
Map getting modified unnecessarily in a for loop
for(AggregateResult sg : siteGeoIds){
if(conNumber == String.valueOf(sg.get('VNContractNumber__c'))){
for(Group gr : groupsToBeAdded){
if(gr.Name.contains(String.valueOf(sg.get(...
-1
votes
1
answer
44
views
How to add value into a map which is stored in another map?
Map<Id, SObject> accQuery = new Map<Id, SObject>();
Map<string, Map<Id, SObject>> queriesList = new Map<string, Map<Id, SObject>>();
queriesList.put('select * from ...
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0
votes
1
answer
164
views
Fill Map<String, List<Id>> from a list
I am trying to build a map<String, List<Id>> where the List<Id> is the list of UserOrGroupId field in the GroupMember Object that has similar Group.DeveloperName values and that I ...
0
votes
1
answer
39
views
Create a method which has a List<Account> as parameter that check for Accounts duplicate, must return an Account List
My method is adding the account to the list even tho' there isn't another account with the same name, I want to add just the duplicates to the list, any suggestions?
global static List<Account&...
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-3
votes
1
answer
38
views
How to find unique string from a semicolon separated map keyset?
I have a mapElement which is of type Map<string,List< product2>>. The key part contains semicolon seperated values.It contains values like
(catA;catB;catC; , Prod A )
(catD;catE;catA; , ...
- 13
0
votes
1
answer
56
views
How to filter/split a large list based on specific column values?
I have a list with 50 thousand records. Want to filter those records base on Branch name column values. In the list Branch==>Temp has 3 records and Temp2,Temp3,Temp4==>has respectively 1 record....
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0
votes
1
answer
43
views
Query related Tasks does not work
I need to query all related tasks from a contact (currentRecordId) but my code below shows nothing.
What I'm doing wrong?
Map<Id, TaskRelation> relatedTasks1 = new Map<Id, TaskRelation>([...
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-3
votes
1
answer
373
views
Create Map from records of 2 List [closed]
I need to create map from 2 lists. One list ids and another list<custom_object__c> objects. But i dont get how to do it? id list is not id from custom_object__c. With on list it easy, but how to ...
- 1
1
vote
1
answer
44
views
Get object record with unique field from list
I want to remove People__c record from list based on field value I have list of custom object People__c with field Responsible__c which is another object id. I am getting list of id and want to get ...
- 13